Page 2 - Revision Tracking Sheet; Page Revision
Issued Mar-06 ii Revision Tracking Sheet March 2006 This manual may be revised periodically to incorporate new or updated information. The revision date of each page appears at the bottom of the page opposite the page number. A change in revision date to any page also changes the date of the manual ...
Page 3 - Contents; Chapter 1 – General Information
Issued Mar-06 iii Contents Chapter 1 – General Information 1-1 1.1 Scope of Manual...............................................................................................................1-1 1.2 Hardware .............................................................................................
Page 4 - Chapter 3 – Power Connections
Issued Mar-06 iv 2.8 Startup and Operation ....................................................................................................2-19 2.8.1 Startup ..............................................................................................................2-20 2.8.2 Operation ..........
Page 7 - ROC827 Instruction Manual; ROCLINK; of; This manual contains the following chapters:
ROC827 Instruction Manual Issued Mar-06 General Information 1-1 Chapter 1 – General Information This manual focuses on the hardware aspects of the ROC827 Remote Operations Controller (the “ROC827”) and the ROC800-Series expanded backplanes (“EXPs”). For information about the software, refer to the R...
Page 8 - Power Connections
ROC827 Instruction Manual Issued Mar-06 General Information 1-2 Chapter 2 Installation and Use Provides information on installation, tools, wiring, mounting the ROC827, and other essential elements of the ROC827 and EXPs. Chapter 3 Power Connections Provides information on the Power Input modules av...
Page 10 - Figure 1-2. ROC827 with One Expanded Backplane
ROC827 Instruction Manual Issued Mar-06 General Information 1-4 Figure 1-2 shows a typical expanded backplane (EXP) populated with a full complement of six I/O modules. Each EXP is composed of the same plastic housing as the ROC827, contains six I/O slots, and has a powered backplane that easily att...
Page 11 - Communications; Ethernet
ROC827 Instruction Manual Issued Mar-06 General Information 1-5 The ROC827 holds up to six communication ports (refer to Chapter 5, Communications ). Three communication ports are built-in: Local Operator Interface (LOI) – Local Port EIA-232 (RS-232D). Ethernet – Comm1 Port for use with the DS80...
Page 12 - Diagnostic monitoring.; Note; If the Real-Time Clock does not keep the current time when you
ROC827 Instruction Manual Issued Mar-06 General Information 1-6 Diagnostic monitoring. Real-Time Clock. Automatic self-tests. Power saving modes. Local Operator Interface (LOI) EIA-232 (RS-232D) Local Port. EIA-232 (RS-232C) serial Comm2 port. Ethernet Comm1 port. 1.2.2 Processor and M...
Page 13 - Monitoring; System AI
ROC827 Instruction Manual Issued Mar-06 General Information 1-7 1.2.4 Diagnostic Monitoring The ROC827 has diagnostic inputs incorporated into the circuitry for monitoring system integrity. Use ROCLINK 800 software to access the System Analog Inputs. Refer to Table 1-1. Table 1-1. System Analog Inpu...
Page 14 - Information; Configuration Software User Manual
ROC827 Instruction Manual Issued Mar-06 General Information 1-8 1.3 FCC Information This equipment complies with Part 68 of the FCC rules. Etched on the modem assembly is, among other information, the FCC certification number and Ringer Equivalence Number (REN) for this equipment. If requested, this...
Page 15 - Historical Database.; RTOS
ROC827 Instruction Manual Issued Mar-06 General Information 1-9 Historical Database. Event and Alarm Log Databases. Applications (PID, AGA, FST, and such). Measurement Station Support. Determining Task Execution. Real-Time Clock. Establishing and Managing Communications. Self-Test Ca...
Page 16 - SRBX; In Ethernet mode, the firmware support Modbus only in slave mode.; Security; addressable points per module slot.; ROC; . On the Device Information screen’s General tab, click
ROC827 Instruction Manual Issued Mar-06 General Information 1-10 respective database point. These values are available for display and historical archiving. SRBX Spontaneous-Report-by-Exception (SRBX or RBX) communication allows the ROC827 to monitor for alarm conditions and, upon detecting an alarm...
Page 17 - Slot Number; 6-point addressing is the; default; To maximize the expanded input capabilities of the ROC827, you; must
ROC827 Instruction Manual Issued Mar-06 General Information 1-11 The difference between 16-point and 8-point addressing becomes critical when you have a host device reading data from specific TLPs. For example, under 16-point addressing, channel 2 for a DI module in slot 2 is referenced by TLP 101,3...
Page 18 - Calculations
ROC827 Instruction Manual Issued Mar-06 General Information 1-12 The historical database is maintained in 11 segments. You can configure each segment in the database to archive selected points at specified time intervals. The segments can continuously archive or can be turned on and off. You can dis...
Page 19 - Function Sequence Table (FST) User Manual; Standby
ROC827 Instruction Manual Issued Mar-06 General Information 1-13 AGA 3 calculations conform to the methods described in American Gas Association Report No. 3, Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids. Based on the second and third editions, the calculation method is 1992 ...
Page 20 - Sleep; is turned off. For information on configuring; Sleep mode applies only to ROC827s using the 12 V dc Power
ROC827 Instruction Manual Issued Mar-06 General Information 1-14 the user. The ROC827 wakes from Standby mode when it needs to perform a task. Sleep The ROC827 uses this mode if it detects a low battery voltage. The System AI Battery Point Number 1 measures the battery voltage and compares it to t...
Page 21 - either; ROCLINK 800 Configuration; ROCLINK 800 Configuration Software
ROC827 Instruction Manual Issued Mar-06 General Information 1-15 or symbols. Finally, arguments provide access to process I/O points and retrieve real-time values. A function may have zero, one, or two arguments. The FST Editor provides a workspace into which you can enter—for each FST— either a max...
Page 22 - DS800 Development Suite Software
ROC827 Instruction Manual Issued Mar-06 General Information 1-16 system keeps time-stamped minute, periodic, and daily data values as well as yesterday’s and today’s daily minimum and maximum values. You can collect history values from the ROC827 using ROCLINK 800 or another third-party host system....
Page 23 - Expanded Backplane; Installation and Use
ROC827 Instruction Manual Issued Mar-06 General Information 1-17 DS800 Development Suite software allows programming in all five of the IEC 61131-3 languages: Ladder Logic Diagrams (LD). Sequential Function Chart (SFC). Function Block Diagram (FBD). Structured Text (ST). Instruction List (...
Page 24 - Related Specification Sheets; Since the expanded backplanes accommodate the same I/O modules
ROC827 Instruction Manual Issued Mar-06 General Information 1-18 1.8 Related Specification Sheets For technical details on the ROC827 and the ROC800-Series expanded backplane, refer to the specification sheet 6:ROC827. The most current version of this specification sheet is available at www.EmersonP...
Page 25 - Chapter 2 – Installation and Use; In This Chapter; Requirements
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-1 Chapter 2 – Installation and Use This chapter describes the ROC827 housing (case), its backplane (electronic connection board at the back of the housing), the ROC800-Series CPU (central processing unit), and the ROC800-Series Expanded ...
Page 27 - Compliance with Hazardous Area Standards; Class; defines the general nature of the hazardous material in the; Division; defines the probability of hazardous material being present in; Group; defines the hazardous material in the surrounding atmosphere.; Caution
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-3 Choose a location for the ROC827 away from heavy traffic areas to reduce the risk of being damaged by vehicles. However, provide adequate vehicle access to aid monitoring and maintenance. The site must comply with class limits of P...
Page 28 - Grounding Installation Requirements
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-4 2.1.4 Power Installation Requirements Be sure to route power away from hazardous areas, as well as sensitive monitoring and radio equipment. Local and company codes generally provide guidelines for installations. Adhere rigorously to a...
Page 29 - Tools; ROC/FloBoss Accessories
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-5 Install a surge protection device at the service disconnect on DC voltage source systems to protect against lightning and power surges for the installed equipment. All earth grounds must have an earth to ground rod or grid impedance of...
Page 30 - and; To remove the end caps:; To replace the end caps:; Removing and Installing Wire Channel Covers; To remove a wire channel cover:
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-6 2.3.1 Removing and Replacing End Caps Normal use and maintenance of the ROC827 does not typically require you to remove the end caps on the housing. Follow these procedures in case removal is necessary. To remove the end caps: 1. Place...
Page 31 - Removing and Installing Module Covers; To install a module cover:; Mounting the ROC827 on a DIN Rail
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-7 2.3.3 Removing and Installing Module Covers Before you insert an I/O or communications module, remove the module cover over the empty module slots in which you intend to install the modules. Although you are not required to remove the ...
Page 32 - The distance from the mounting panel to the front of the ROC827 is
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-8 Figure 2-1. Side View of the ROC827 Figure 2-2. Bottom View of the ROC827 Note : The distance from the mounting panel to the front of the ROC827 is 174mm (6.85”). If you mount the ROC827 inside an enclosure and want to connect a cable ...
Page 33 - To install the ROC827 using the 35 x 7.5 mm DIN rails:; Following this procedure (which uses the ROC827 to provide the; Securing the ROC827 on the DIN Rail
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-9 Figure 2-3. Back View of the ROC827 2.4.1 Installing the DIN Rail To install the ROC827 using the 35 x 7.5 mm DIN rails: 1. Mount the lower DIN rail onto the enclosure panel. 2. Snap the upper DIN rail into the ROC827 upper DIN rail mo...
Page 34 - ROC827 and one EXP: Place catches on ROC827 and EXP.; Removing the ROC827 from the DIN Rail; Figure 2-4. ROC827 and Expanded Backplane
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-10 ROC827 and one EXP: Place catches on ROC827 and EXP. ROC827 and two EXPs: Place catches on ROC827 and second EXP. ROC827 and three EXPs: Place catches on ROC827 and third EXP. ROC827 and four EXPs: Place catches on ROC827 and ...
Page 35 - Attaching an Expandable Backplane; To attach an EXP to an existing ROC827 base unit or to another EXP:; The EXP may not have attached end caps. If it does, remove the; The plastic locking clips at the back of the EXP click when the; Adding an EXP–and the modules it will hold–may require you to
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-11 Removing the backplane from the housing is not recommended, as there are no field serviceable parts. If the backplane requires maintenance, please contact your local sales representative. 2.5.1 Attaching an Expandable Backplane To att...
Page 36 - all; Figure 2-6. Plastic Snaps on the Back of the EXP
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-12 2.5.2 Removing an Expandable Backplane Note : Before you remove an EXP, you must power down the ROC827, disconnect all wiring from all modules, and remove the entire unit from the DIN rail. Once the entire ROC827 is free of the DIN ra...
Page 39 - General; First, remove power from the ROC827. Then press and hold in
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-15 Table 2-1. CPU Connector Locations CPU Number Definitions J4 Not Used P2 LOI Port RJ-45 P3 Ethernet RJ-45 P4 License Key Terminal P6 License Key Terminal SW1 LED Button SW2 RESET Button The CPU contains a microprocessor supervisory ci...
Page 40 - Troubleshooting
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-16 button, LEDs light and stay lit again for five minutes. By entering a 0 (zero) setting, the LED always stays lit. 2.6.1 Removing the CPU Module To remove the CPU module: Caution Failure to exercise proper electrostatic discharge preca...
Page 41 - Replace the wire channel cover.; Keys
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-17 4. Tighten the two screws on the faceplate of the CPU module firmly (see Figure 2-5). 5. Replace the wire channel cover. 6. Review “Restarting the ROC827” in Chapter 6, Troubleshooting . 7. Return power to the ROC827 unit. 2.7 License...
Page 42 - single
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-18 2.7.1 Installing a License Key To install a license key: Caution Failure to exercise proper electrostatic discharge precautions (such as wearing a grounded wrist strap) may reset the processor or damage electronic components, resultin...
Page 43 - Startup and Operation
ROC827 Instruction Manual Issued Mar-06 Installation and Use 2-19 2.7.2 Removing a License Key To remove a license key: Caution Failure to exercise proper electrostatic discharge precautions (such as wearing a grounded wrist strap) may reset the processor or damage electronic components, resulting i...
Page 45 - Power Input Module Descriptions
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-1 Chapter 3 – Power Connections This chapter discusses the Power Input modules. It describes the modules, explains how to install and wire them, and provides worksheets to help you determine—and tune—the power requirements for the I/O and c...
Page 46 - Figure 3-1. 12 Volt dc Power Input Module; – terminals to provide switched power for external; + is turned off when the ROC827 detects a software
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-2 the ROC800-Series modules via the backplane. The ROC827 requires 11.25 to 14.25 Volts dc for proper operation. Figure 3-1. 12 Volt dc Power Input Module The CHG+ and CHG– terminals comprise an Analog Input channel that allows you to monit...
Page 47 - Table 3-1. 12 Volt dc Power Input Terminal Block Connections; Terminal Blocks; Table 3-2. 12 Volt DC Power Input LED Fault Indicators; Signal LED; have CHG terminals for monitoring a charging voltage, and; does not
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-3 Table 3-1. 12 Volt dc Power Input Terminal Block Connections Terminal Blocks Definition Volts DC BAT+ and BAT– Accepts 12 Volts dc nominal from an AC/DC converter or other 12 Volts dc supply. Absolute Maximum: 11.25 to 16 Volts dc Rec...
Page 48 - 4 Volt dc Power Input Module; Table 3-4. 24 Volt dc Power Input LED Indicators
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-4 Figure 3-2 . 24 Volt dc Power Input Module Table 3-3. 24 Volt dc Power Input Terminal Block Connections Terminal Blocks Definition Volts DC + and – Accepts 24 Volts dc nominal from an AC/DC converter or other 24 Volts dc supply. 18 to 30 ...
Page 49 - ROCLINK 800 Configuration Software User Manual; Figure 3-3. 12 Volt dc Auxiliary Power Wiring; Figure 3-4. 24 Volt dc Auxiliary Power Wiring; Removing the; To remove the auxiliary output fuse:; Installing the Auxiliary; To re-install the auxiliary output fuse:
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-5 For the 24 volt Power Input module (PM-24), the AUX voltage is always 12 Volts dc minus ~0.7 Volts. AUX+ / AUX– is internally current-limited by a 0.5 Amp Positive Temperature Coefficient (PTC). If you need to cycle power to the radio or ...
Page 50 - Auxiliary; The AUX
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-6 3.1.4 Switched Auxiliary Output (AUXSW+ and AUXSW–) The AUX SW + and AUX SW – terminals on the 12 volt dc Power Input module (PM-12) provide switched power for external devices, such as radios. AUX SW + is current-limited for protection o...
Page 51 - Determining Power Consumption; You should also identify any devices (such as a touch screen; “+T” describes the isolated power some modules (such as AI,
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-7 3.2 Determining Power Consumption Determining the power consumption requirements for a ROC827 configuration involves the following steps: 1. Determine your ideal ROC827 configuration, which includes identifying all modules, device relays,...
Page 52 - General Calculation; both
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-8 General Calculation Process To calculate the power the ROC827 requires: 1. Determine the kind and number of communication modules and the kind and number of expanded backplanes you are implementing. Enter those values in the Quantity Used...
Page 55 - which includes the +T overhead; when operating between –40; Tuning Hints; Tuning your I/O module configuration may require several
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-11 3.2.1 Tuning the Configuration The PM-12 Power Input module can supply a maximum of 36 W (36000 mW) to the backplane, which includes the +T overhead . The PM-24, when operating between –40 ° C to 55 ° C, can supply a maximum of 30 W (300...
Page 56 - Table 3-6. Power Consumption of the Analog Input Modules; Duty Cycle; Duty Cycle = Average mA output
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-12 Table 3-6. Power Consumption of the Analog Input Modules Power Consumption (mW) I/O Module Description P TYPICAL Quantity Used Duty Cycle Sub-Total (mW) ANALOG INPUT AI Module Base 84 mA @ 12 volts dc 1008 mW Jumper set for +T @ 12 volts...
Page 57 - Table 3-7. Power Consumption of the Analog Output Modules
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-13 Table 3-7. Power Consumption of the Analog Output Modules Power Consumption (mW) I/O Module Description P TYPICAL Quantity Used Duty Cycle Sub-Total (mW) AO Module Base 100 mA @ 12 volts dc 1200 mW Jumper set for +T @ 12 volts dc Channel...
Page 58 - Table 3-8. Power Consumption of the Discrete Input Modules; Duty Cycle = Active time
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-14 Table 3-8. Power Consumption of the Discrete Input Modules Power Consumption (mW) I/O Module Description P TYPICAL Quantity Used Duty Cycle Sub-Total (mW) DI Module Base 19 mA @ 12 volts dc No Channels Active 228 mW Channel 1 3.2 mA @ 12...
Page 59 - Table 3-9. Power Consumption of the Discrete Output Modules
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-15 Table 3-9. Power Consumption of the Discrete Output Modules Power Consumption (mW) I/O Module Description P TYPICAL Quantity Used Duty Cycle Sub-Total (mW) DO Module 20 mA @ 12 volts dc No Channels Active 240 mW Channel 1 1.5 mA 18 mW Ch...
Page 60 - Table 3-10. Power Consumption of the Discrete Output Relay Modules; For example, if a DOR channel changes state 80 times per hour:
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-16 Table 3-10. Power Consumption of the Discrete Output Relay Modules Power Consumption (mW) I/O Module Description P TYPICAL Quantity Used Duty Cycle Sub-Total (mW) DOR Module 6.8 mA @ 12 volts dc No Channels Active 81.6 mW Channel 1 150 m...
Page 62 - Table 3-12. Power Consumption of the MVS Modules; For an MVS sensor, the typical mW per MVS is about 300 mW.; For example, if the LEDs are on approximately 20 minutes a day:; Duty Cycle = 20 minutes
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-18 Table 3-12. Power Consumption of the MVS Modules Power Consumption (mW) I/O Module Description P TYPICAL Quantity Used Duty Cycle Sub-Total (mW) MVS Module 112 mA @ 12 volts dc 1344 mW Per Active LED – Maximum 2 1.5 mA 18 mW Power provid...
Page 63 - Table 3-13. Power Consumption of the RTD Modules; Table 3-14. Power Consumption of the Thermocouple Modules; Table 3-15. Power Consumption of the HART Modules
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-19 Table 3-13. Power Consumption of the RTD Modules Power Consumption (mW) I/O Module Description P TYPICAL Quantity Used Duty Cycle Sub-Total (mW) RTD Module 65 mA @ 13.25 volts dc 1 Table Total Duty Cycle An RTD has no associated duty cyc...
Page 64 - Table 3-16. Power Consumption of Other Devices; Removing a Power Input Module
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-20 Table 3-16. Power Consumption of Other Devices Power Consumption (mW) Other Device Description P TYPICAL Quantity Used Duty Cycle Sub-Total (mW) Total Although Tables 3-5 and Tables 3-6 through 3-15 take into account the power the ROC827...
Page 65 - Installing a Power Input Module; Connecting the ROC827 to Wiring
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-21 3.4 Installing a Power Input Module To install the Power Input module: Caution Failure to exercise proper electrostatic discharge precautions, such as wearing a grounded wrist strap may reset the processor or damage electronic components...
Page 67 - Figure 3-6. 12 Volt dc Power Supply and CHG+ and CHG– Wiring
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-23 – CHG+ – BAT+ 5 Amp Fuse + – + – + – + – – Batteries 809CHG.DSF Solar Regulator Solar Panel + – 5 Amp Fuse Power Supply Terminal Block Figure 3-6. 12 Volt dc Power Supply and CHG+ and CHG– Wiring 10. Replace all other power sources (if n...
Page 68 - Battery Reserve; To make battery connections:
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-24 Battery Reserve Battery reserve is the amount of time that the batteries can provide power without discharging below 20% of their total output capacity. The battery reserve should be a minimum of five days, with ten days of reserve prefe...
Page 69 - Part; Capacity
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-25 3.5.3 Replacing the Internal Battery The internal Sanyo 3 volt CR2430 lithium backup battery located on the CPU provides backup of the data and the Real-Time Clock when the main power is not connected. The battery has a one-year minimum ...
Page 70 - Note how the battery is oriented; Table 3-18. Power Input Module Specification Sheets; Name
ROC827 Instruction Manual Issued Mar-06 Power Connections 3-26 7. Insert a plastic screwdriver behind the battery and gently push the battery out of the battery holder. Note how the battery is oriented : the negative side of the battery (–) is placed against the CPU and the positive (+) towards the ...
Page 71 - Chapter 4 – Input/Output Modules; I/O Module Overview; Figure 4-2 represents a ROC827 with one EXP.
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-1 Chapter 4 – Input/Output Modules This chapter describes the Input/Output (I/O) modules used with the ROC827 and expandable backplanes and contains information on installing, wiring, and removing the I/O modules. In This Chapter 4.1 I/O...
Page 73 - After you install a new I/O module or replace an existing I/O
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-3 Analog Output (AO), Discrete Output (DO), and Discrete Output Relay (DOR) modules that provide the ability to manage various control devices. The RTD Input and Thermocouple Input (T/C) modules that provide the ability to monitor va...
Page 74 - do not
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-4 default configurations. Refer to the ROCLINK 800 Configuration Software User Manual (Form A6121). 4.2.1 Installing an I/O Module To install an I/O module in either the ROC827 or the EXP: 1. Remove the wire channel cover. Note : Leaving...
Page 76 - To connect the wire to the removable block compression terminals:; Analog Input Modules; to 5 Volts dc signal.
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-6 6. Replace the wire channel cover. 4.2.3 Wiring I/O Modules All modules have removable terminal blocks for convenient wiring and servicing. The terminal blocks can accommodate a wide range of wire gauges (12 AWG or smaller). Caution Fa...
Page 77 - Figure 4-5. Analog Input Module Field Wiring; All I/O modules are isolated on the field side. Be aware that you can
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-7 Figure 4-4. Analog Input Jumper J4 – Set to +24V 1-5 VOLT DEVICEEXTERNALLY POWERED + - 1-5 VOLT DEVICEEXTERNALLY POWERED + - ROC809 POWERED CURRENT LOOP DEVICE 4-20mA - + OUT SIGNAL COM IN DOC0506A Figure 4-5. Analog Input Module Field...
Page 78 - Analog Output Modules; AO modules (Part Number W38199) with front labels that read
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-8 4.4 Analog Output Modules The 16-bit Analog Output (AO) module has four channels that provide a current output for powering analog devices. Analog Outputs are analog signals the ROC827 generates to regulate equipment, such as control v...
Page 79 - Figure 4-7. Analog Output Module Field Wiring; Input; The DI module’s LEDs light when each input is active.
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-9 Figure 4-7. Analog Output Module Field Wiring Note : All I/O modules are isolated on the field side. Be aware that you can induce ground loops by tying commons from various modules together. 4.5 Discrete Input Modules The eight-channel...
Page 80 - Figure 4-8. Discrete Input Module Field Wiring; Output; The DO module provides LEDs that light when each output is active.
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-10 The left side of Figure 4-8 displays the internal circuitry while the right side displays possible field wiring. Note : All I/O modules are isolated on the field side. Be aware that you can induce ground loops by tying commons from va...
Page 81 - When using the Discrete Output module to drive an inductive load; Figure 4-9. Discrete Output Module Field Wiring; Discrete Output Relay Modules
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-11 Caution The Discrete Output module only operates with non-powered discrete devices, such as relay coils or solid-state switch inputs. Using the module with powered devices may cause improper operation or damage. DO modules draw power ...
Page 82 - The Discrete Output Relay module operates only with discrete; On power up or reset, the DO Relay module’s LEDs enter; Figure 4-10. Discrete Output Relay Module Field Wiring; Pulse Input Modules
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-12 Note : The Discrete Output Relay module operates only with discrete devices having their own power source. When a request is made to change the state of a DOR, the request is immediately sent to the DOR module. There is no scan time a...
Page 83 - The PI module provides LEDs that light when each input is active.; Do not connect wiring to; the Low and High speed selections
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-13 The PI is most commonly used to interface to relays or open collector/open drain type solid-state devices. The Pulse Input can be used to interface to either self-powered or ROC827-powered devices. The high speed input supports signal...
Page 84 - Figure 4-12. Externally Powered Pulse Input Module Field Wiring; RTD Input Modules
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-14 + - OPEN DRAIN TYPE OR OPEN COLLECTOR DEVICE EXTERNALLY POWERED + - CONTACT-CLOSURE DEVICE EXTERNALLY POWERED 12KHz PI FILTER & LEVEL DETECTION 12KHz PI FILTER & LEVEL DETECTION DOC0510A Figure 4-12. Externally Powered Pulse I...
Page 86 - Terminal; The wire colors for the RTD being used may differ.; J and K Type Thermocouple Input Modules
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-16 Note : All I/O modules are isolated on the field side. Be aware that you can induce ground loops by tying commons from various modules together. Figure 4-14. RTD Sensor Wiring Terminal Connections Figure 4-14 and Table 4-2 display the...
Page 87 - correct results, as CJC is applied at the module level.
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-17 by the junction between the different metal of the T/C wiring and the T/C module’s terminal blocks. Note : The use of dissimilar metals is not supported. It will not provide the correct results, as CJC is applied at the module level. ...
Page 88 - Figure 4-15. Type J and K Thermocouple Wiring; Use only ungrounded thermocouple constructions.; Grounded; Use thermocouples as individual sensing devices. All modules are
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-18 J OR K THERMOCOUPLEUNGROUNDED SHEATH + - DOC0512B Figure 4-15. Type J and K Thermocouple Wiring Be sure to use the correct type of thermocouple wire to connect the thermocouple to the ROC827. Minimize connections and make sure connect...
Page 89 - Noise Susceptibility; It is highly recommended that you use shielded wiring.; ungrounded; probe, the thermocouple junction is detached from the
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-19 Noise Susceptibility Millivolt signals are very small and are very susceptible to noise. Noise from stray electrical and magnetic fields can generate voltage signals higher than the millivolt levels generated from a thermocouple. The ...
Page 91 - Related Specification Sheets; Refer to the following specification sheets (available at
ROC827 Instruction Manual Issued Mar-06 Input/Output Modules 4-21 4.11 Related Specification Sheets Refer to the following specification sheets (available at www.EmersonProcess.com/flow ) for additional and most-current information on each of the I/O modules. Table 4-3. I/O Module Specification Shee...
Page 93 - Chapter 5 – Communications; Communications Ports and Modules Overview
ROC827 Instruction Manual Issued Mar-06 Communications 5-1 Chapter 5 – Communications This section describes the built-in communications and the optional communication modules used with the ROC827. In This Chapter 5.1 Communications Ports and Modules Overview....................................... 5...
Page 94 - Table 5-2. Communication LED Indicator Definitions
ROC827 Instruction Manual Issued Mar-06 Communications 5-2 Figure 5-1. Communication Ports Table 5-2. Communication LED Indicator Definitions Signals Action CTS Clear To Send indicates the modem is ready to send. CD Data Carrier Detect (DCD) indicates a valid carrier signal tone detected. DSR Data S...
Page 95 - Installing Communication Modules; You can install communications modules; only; Remove the wire channel cover.; Leaving the wire channel cover in play can prevent the module
ROC827 Instruction Manual Issued Mar-06 Communications 5-3 5.2 Installing Communication Modules All communication modules install into the ROC827 in the same way. You can install or remove communication modules while the ROC827 is powered up (hot-swappable), you can install modules directly into unu...
Page 96 - Removing a Communications Module
ROC827 Instruction Manual Issued Mar-06 Communications 5-4 If there is a module currently in the slot, unscrew the captive screws and remove that module (refer to “Removing a Communications Module”). If the slot is currently empty, remove the module cover. 3. Insert the new module through the mo...
Page 97 - Wiring Communications Modules; The LOI uses the Local Port in ROCLINK 800 software.
ROC827 Instruction Manual Issued Mar-06 Communications 5-5 6. Replace the wire channel cover. 5.4 Wiring Communications Modules Signal wiring connections to the communications are made through the communications port removable terminal bock connectors and through RJ-11 and RJ-45 connectors. All modu...
Page 99 - Pin; Plug the LOI cable into the LOI RJ-45 connector of the ROC827.; Direct Connect
ROC827 Instruction Manual Issued Mar-06 Communications 5-7 Pin Wire Color RJ-45 Pins on ROC800- Series 4 Red 5 5 Green 3 6 Yellow 2 7 Brown 7 8 Gray 8 5.5.1 Using the LOI 1. Plug the LOI cable into the LOI RJ-45 connector of the ROC827. 2. Connect the LOI cable to the D-Sub 9 pin (F) to RJ-45 modula...
Page 101 - Using special cable.; Signal Signal; LOI
ROC827 Instruction Manual Issued Mar-06 Communications 5-9 greater than 400°C (752°F), use plenum rated cables to ensure that cable attenuation remains within specification. When connecting two twisted-pair Medium Attachment Units (MAUs) or repeaters together over a segment, wire the transmit data p...
Page 104 - Dial-up Modem Communications Module
ROC827 Instruction Manual Issued Mar-06 Communications 5-12 Figure 5-5. EIA-422/485 (RS-422/485) J4 Jumper Table 5-11. EIA-422 (RS-422) Module Terminated Not Terminated Jumper TER Out Half Full TER Out Half Full J3 x x J4 x x J5 x x J6 x x Table 5-12. EIA-485 (RS-485) Module Terminated Not Terminate...
Page 105 - When installing a dial-up modem module, you must remove power; Signal Pin; Table 5-14 displays connector signals and their functions.; Signal Function Terminal; Notes; The dial-up modem is; not; remove power from the
ROC827 Instruction Manual Issued Mar-06 Communications 5-13 Note : When installing a dial-up modem module, you must remove power from the ROC827. The dial-up modem provides communications with speeds up to 14.4K bps with V.42 bis and V.42, MNP2-4 and MNP10 error correction, and is FCC Part 68 approv...
Page 106 - prior; to final wiring of multiple MVS devices. For; None; of the addresses can be 240. For details on MVS; Terminated Not
ROC827 Instruction Manual Issued Mar-06 Communications 5-14 5.10 Multi-Variable Sensor (MVS) Interface Modules The Multi-Variable Sensor (MVS) provides differential pressure, static pressure, and temperature inputs to the ROC827 unit for orifice flow calculation. The MVS module consists of interface...
Page 107 - Label MVS; Make; after removing power; from the; the MVS module and the ROC800-Series
ROC827 Instruction Manual Issued Mar-06 Communications 5-15 Figure 5-6. MVS Jumper J4 (Shown Not Terminated) Four wires run from the MVS module terminal block and connect to the sensor. The wires should be a minimum size of 22 AWG and a maximum length of 1220 m (4000 ft). Note : Insulated, shielded,...
Page 108 - HART Interface Module
ROC827 Instruction Manual Issued Mar-06 Communications 5-16 MVS modules are isolated on the field side. Be aware that you can induce ground loops by tying commons together. 5.11 HART Interface Module The HART ® Interface module allows a ROC827 to communicate with HART devices using the Highway Add...
Page 109 - support HART devices configured in Burst; before; you connect the device to; Always set the IN or OUT switches before wiring the switch or
ROC827 Instruction Manual Issued Mar-06 Communications 5-17 second per poll for each device, so with five devices per channel the maximum poll time for the channel would be five seconds. Note : The ROC827 does not support HART devices configured in Burst mode (in which the device sends information w...
Page 110 - Figure 5-7. HART Interface Module Field Wiring
ROC827 Instruction Manual Issued Mar-06 Communications 5-18 Figure 5-7. HART Interface Module Field Wiring Figure 5-8. HART Channels 1 and 3 (back side of board) CH1 I/O Switch CH3 I/O Switch Representative Internal Circuit Field Wiring
Page 112 - Related Specification Sheets
ROC827 Instruction Manual Issued Mar-06 Communications 5-20 5.12 Related Specification Sheets Refer to the following specification sheets (available at www.EmersonProcess.com/flow ) for additional and most-current information on each of the communications modules. Table 5-17. Related Documentation N...
Page 113 - Chapter 6 – Troubleshooting
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-1 Chapter 6 – Troubleshooting This chapter provides generalized guidelines for troubleshooting the ROC827. Perform the procedures in this chapter before you remove power from the ROC827 for any reason, after you restore power to the ROC827, a...
Page 114 - If the LEDs do not display:; Using the ROCKLINK 800 software, you can disable this feature; Return faulty modules to your local sales representative for
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-2 6.2 Checklists If the LEDs do not display: By default, LEDs on the communication modules and I/O modules enter Sleep mode after five minutes. To turn the LEDs on, press the LED button located on the CPU for one second. Note : Using the ...
Page 115 - Before; Power
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-3 6.2.3 Software If you are experiencing problems with the ROC827 that appear to be software-related, try resetting the ROC827. Note : During a reset and subsequent re-start, the ROC827 loses configuration and log data. Before you attempt any...
Page 116 - Preserving Configuration and Log Data
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-4 Reset the MVS module back to factory defaults. Refer to the ROCLINK 800 Configuration Software User Manual (Form A6121). Note : If you believe an MVS module is damaged or faulty, contact your sales representative for repair or replacement...
Page 117 - File; Troubleshooting Analog Input Modules; Table 6-1. Analog Input Module Typical Configuration Values; Parameter Value; Equipment Required
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-5 Caution Ensure all input devices, output devices, and processes remain in a safe state upon restoring power. An unsafe state could result in property damage. When working on units located in a hazardous area (where explosive gases may be pr...
Page 119 - Troubleshooting Analog Output Modules; Troubleshooting Discrete Input Modules
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-7 9. Remove the test equipment. 6.3.4 Troubleshooting Analog Output Modules Equipment Required : Multimeter. PC running ROCLINK 800 software. Caution Failure to exercise proper electrostatic discharge precautions, such as wearing a ground...
Page 120 - Configuration; Troubleshooting Discrete Output Modules; Troubleshooting Discrete Output Relay Modules
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-8 2. Connect to ROCLINK 800 software. 3. Select Configuration > I/O > DI Points . 4. Select the correct Discrete Input Point Number. 5. Place a jumper across a channel input terminal (1-8) and COM. 6. The Status should change to On. Wit...
Page 121 - Troubleshooting Pulse Input Modules; Troubleshooting RTD Input Modules
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-9 3. Measure the resistance across terminals + and – . A reading of 0 (zero) ohms should be obtained. No continuity should be indicated. 4. Measure the resistance across the terminals + and –. The reading should indicate an open circuit. 6.3....
Page 122 - 0 Troubleshooting J and K Type Thermocouple Input Modules
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-10 Caution Failure to exercise proper electrostatic discharge precautions, such as wearing a grounded wrist strap may reset the processor or damage electronic components, resulting in interrupted operations. 1. Disconnect the field wiring at ...
Page 124 - Verify the wiring run is adequately protected from noise.
ROC827 Instruction Manual Issued Mar-06 Troubleshooting 6-12 4. Verify the thermocouples have the correct construction (ungrounded) and are not grounded by other means. 5. Verify you are using the correct thermocouple wire all the way from the thermocouple to the ROC827 with minimal connections. 6. ...
Page 125 - Chapter 7 – Calibration; ROCLINK 800 Configuration Software User; Preparing for Calibration
ROC827 Instruction Manual Issued Mar-06 Calibration 7-1 Chapter 7 – Calibration This section provides information about calibration procedures for the Analog Input (AI) modules, HART Input module, RTD Input module, and Multi-Variable Sensor (MVS) Input module. For the full calibration procedure, ref...
Page 127 - Appendix A – Glossary; This is a generalized glossary of terms. Not all the terms may
ROC827 Instruction Manual Issued Mar-06 Glossary A-1 Appendix A – Glossary Note: This is a generalized glossary of terms. Not all the terms may necessarily correspond to the particular device or software described in this manual. For that reason, the term “ROC” is used to identify all varieties of R...
Page 135 - Index
ROC827 Instruction Manual Issued Mar-06 Index I-1 Index + +12 V dc Analog Input .................................................... 4-6 Pulse Input .................................................... 4-13 +24 V dc Analog Input .................................................... 4-6 Pulse Input .....
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