Emerson OpenComms-485- Manuals

Ethernet Internet Web Browser OpenComms NIC Network Management System Building Management System Modbus EIA-485 Figure 1. Typical Installation

6 Installation Section 1: INTRODUCTION The Liebert OpenComms Network Interface Card provides multiple connectivity options for your Liebert equipment. The OpenComms Network card transforms Liebert units to intelligent managed nodes on your network, enabling in-band communications with network manage...

Installation 7 SPECIFICATIONS Electrical Requirements: Voltage: 18VAC to 24VAC 50/60 Hz, Single Phase 12VDC to 36VDC Power: 6VA maximum Environmental Conditions: Operating Ambient Temperature: 5°C to 40°C 41°F to 104°F Storage Ambient Temperature: -20°C to 60°C -4°F to 140°F Relative Humidity: 10% t...

8 Installation Section 2: INSTALLATION The OpenComms NIC card may be ordered as a factory installed option, or in a kit for field retrofit to existing Liebert units or as a self-contained unit in its own enclosure. If ordered as a factory-installed option, proceed directly to subsection on User Conn...

Installation 9 Figure 2. Deluxe System/3 Control Cavity Figure 3. Deluxe System/3 Chilled Water Control Cavity

Installation 11 Figure 5. Challenger Installation Location The OpenComms Network card mounts to the L- plate for Challenger units.

12 Installation System Wiring (SM, AM, AG Microprocessors) Two wiring harnesses are included with the retrofit kit, one for the power connection and the second for communications. They are of sufficient length for use with the Deluxe System/3 and ICS units and the microprocessors listed above. For t...

Installation 13 Caution: Do NOT tap power from the auxiliary 24VAC terminals T5/G5 on the SM/AM/AG environmental controllers. Damage to controller and interface card may occur. Communication Connection (SM, AM, AG Microprocessor) The second wiring harness provided (p/n 159083G1) has a connector fitt...

14 Installation MiniMate2 and Units Where Internal Mounting is Not Feasible An enclosure is recommended for use with ceiling-mounted environmental units or where internal mounting of the Network Interface Card is not feasible. Older-generation Deluxe and Challenger units may require external mountin...

Installation 15 NPower Installation As a minimum there will be an IFM board (communications interface) mounted at the mid-point on the door. Other options may also have been previously installed. The Option boards mount on the inside of the option door. Options can be located in any available option...

Installation 17 USER CONNECTIONS FOR OPENCOMMS NIC Since the OpenComms NIC can use simultaneous connections, Up to 3 user connections are may be required: a permanent network connection, a Modbus 485 connection and a temporary serial connection for configuration/setup. Confer with the network admini...

18 System Configuration Section 3: SYSTEM CONFIGURATION DIP SWITCH SETTINGS A four-position DIP switch is provided, but no user configuration via DIP switches is necessary at this time. SERVICE TERMINAL Refer to User Connections in Section 2 for instructions to physically connect to the serial port....

System Configuration 19 Service Terminal Navigat ion Main Menu 1. Syst e m Informat ion 1.1 Name 1.2 Cont act 1.3 Locat ion 1.4 De script ion 2. Ne t w ork Int erface 2.1 Spe ed / Duple x [fixe d] 2.2 Boot Mode 2.2.1 St at ic 2.2.2 Boot P 2.2.3 DHCP 2.3 IP A ddress 2.4 Ne t Mask 2.5 De fault Gat e w...

20 System Configuration 1. System Information Menu The System Information Menu seeks descriptive input to enable the unit to be identified. This data is readable via SNMP queries. The (“) character is not permitted in any of the descriptive fields 2. Network Interface Menu The Network Interface Menu...

System Configuration 21 is received. When this condition is encountered, pushing the "enter" key returns the unit to the service terminal mode. 3. SNMP Communications Menu The SNMP (Simple Network Management Protocol) Communications Menu specifies parameters particular to the SNMP interface....

22 System Configuration 5. Firmware Update Menu The Firmware Update Menu is intended for Liebert service personnel only. No user configurable parameters are accessed in this selection. If entered, to escape, power must be cycled on the card. 6. Factory Settings Menu The Factory Settings Menu display...

NIC Setup and Testing 23 Section 4: OPERATION SNMP The OpenComms Network Interface Card supports “get,” “getnext,” “set,” “response” and “trap” packets of SNMP (Simple Network Management Protocol). The OpenComms NIC supports MIB-II, RFC1628 and Liebert Global Products MIBs. The terms, “alarms” and “...

24 NIC Setup and Testing provides the condition ID, the condition description, and the condition time. RFC 1628 UPS MIB UPS units log alarms in the RFC 1628 UPS MIB. Traps for the UPS units are generated out of the RFC 1628 UPS MIB. There are four traps that may be sent for the UPS units: Trap On Ba...

NIC Setup and Testing 25 The MIBs for the OpenComms Network Interface Card are available for download on the Liebert Web site, www.liebert.co m. Navigate through Products, then Site Monitoring & Software and proceed to the OpenComms support information area. The RCF 1628 MIB can be downloaded at...

26 NIC Setup and Testing MODBUS RTU See Section 5 for a complete explanation of the Modbus slave. SYSTEM RESET The OpenComms Network card contains an on-board real time clock and watchdog circuitry. The card is self-monitoring and self-correcting. Nevertheless, a pushbutton is provided in the event ...

NIC Setup and Testing 27 DS13 IGM Port Transmit DS14-19 Not used Figure 8. LED Locations

28 NIC Setup and Testing Section 5: MODBUS COMMUNICATIONS & CONNECTIVITY This section describes the Modbus communications protocol as supported by the OpenComms NIC card. It includes information on how to pass information to and from the OpenComms NIC card via Modbus. It is also intended to help...

NIC Setup and Testing 29 delay time if HTTP, SNMP and Modbus are going to be utilized simultaneously. TRANSMISSION FORMAT The OpenComms NIC module supports Modbus RTU ( R emote T erminal U nit) transmission modes. The OpenComms NIC communication rate is fixed at 9600 baud, 8 data bits, No parity, 1 ...

30 NIC Setup and Testing Maximum of 32 devices with a total cable length of 4000 feet. Modbus RTU Master EIA-485 9600,N,8,1 Figure 9. Typical Maximum Installation The recommended cable characteristics are: Normal Environments: • 18-22 gauge, twisted-pair, stranded (non- shielded) Typical type is: Be...

NIC Setup and Testing 31 Maximum of 32 devices with a total cable length of 4000 feet. Modbus RTU Master EIA-485 9600,N,8,1 R Maximum of 32 devices with a total cable length of 4000 feet. R Maximum of 32 devices with a total cable length of 4000 feet. Figure 10. Exceeding Maximum Specifications The ...

32 NIC Setup and Testing A datum should consist of one or multiple registers. The leftmost byte contains the MSB and the rightmost byte contains the LSB. Function Code Support The OpenComms NIC implements the following Modbus functions. However, integrators will use function code 0x03, and 0x06 most...

34 NIC Setup and Testing Exception Response Server Address Function Code (0x80) Exception code 16 bit CRC 1 byte 1 byte 1 bytes 2 bytes Exception code is one of the following: 01: Unsupported Function code 02: Out-of-range data addresses 03: Out-of-range data value (write to holding registers) 04: T...

NIC Setup and Testing 35 Function Code: The function code field tells the addressed slaves what function to perform. Function codes are specifically designed invoke a specific action by the slave device. The function code range is from 1 to 127. However, the OpenComms NIC module primarily uses Funct...

36 NIC Setup and Testing RTU Framing Examples READ REGISTERS (FUNCTION CODE 0X03 & 0X04) Query: for reading holding /input registers (requested by a client) Server Addres s Function Code (0x3/0x4) Index of starting register Number of registers to be read 16 bit CRC 1 byte 1 byte 2 bytes 2 bytes ...

NIC Setup and Testing 37 Section 6: NIC Setup and Testing The NIC has a specific setup that must be in place before the card will function properly. There are jumpers on the board that must be in the correct locations. The positions of these jumpers are numbered on the board itself. A small triangle...

38 NIC Setup and Testing requests. Once the information has been verified, press <escape> to return to the main menu and select “x” to exit out of the card. Then, reboot the card. The card may be rebooted by pressing switch S1 on the card for approximately 2 seconds until the DS9 link light tu...

NIC Setup and Testing 39 Once this information is verified, reboot the card and try to access SNMP again. WEB TROUBLESHOOTING If the card does not serve up a web page, but the Service Terminal is functioning, SNMP is functioning, and the card is connected to the network (verified through ping), then...

NIC Setup and Testing 41 While every precaution has been taken to ensure accuracy and completeness in this literature, LiebertCorporation assumes no responsibility, and disclaims all liability for damages resulting from use of thisinformation or for any errors or omissions. © 1999 Liebert Corporatio...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 2 Modbus Packet Format Each Modbus packet consists of the following fields: • Device Address • Function Code • Data Field(s) • Error Check Field Device Address: The address field immediately follows the beginning of the frame and consists of 8-bi...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 3 16 Write multiple Registers Write values into a block of contiguous registers (1 to 120) Data Field(s): The data field varies in length depending on whether the message is a request or a response to a packet. This field typically contains infor...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 4 Liebert Nfinity Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes/ Units Automatic Battery Test Enabled 10003 3 1 1 Battery Charger On 10044 1 1 Inverter Ready 10047 1 1 Power Factor Correction State 10050 1 1 Load On Inverte...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 7 Liebert Nx Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Economode 10005 5 DC-To-DC Converter On 10042 Battery Charge Compensation 10046 Inverter Ready 10047 Power Factor Correction State 10050 Battery Charge Mode...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 12 Liebert PowerSure Interactive Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes /Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 Battery Charge Compensation 10046 1 1 Inverter Ready 10047 1...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 15 Liebert PowerSure Interactive 2 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 DC-To-DC Converter On 10042 1 1 Battery Charger On 10044 ...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 18 Liebert GXT2 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 DC-To-DC Converter On 10042 1 1 Battery Charge Compensation 10046 1 1 Invert...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 22 Liebert HiNet Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units DC-To-DC Converter On 10042 1 1 Load On Inverter 10073 1 1 Bypass Active 10074 1 1 Load On Battery 10128 1 1 Permanently On Bypass 10133 1 1 Bypass SCR ...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 23 Input Current L2 30204 1 1 A Input Voltage L3 30253 1 1 V Input Current L3 30254 1 1 A Liebert UPS Series 600 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Battery Charger On 10044 1 1 Battery Charge Compensation...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 26 Liebert UPS Series 300 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Automatic Restart Enabled 10001 1 1 1 Battery Charge Compensation 10046 1 1 Inverter Ready 10047 1 1 Load Circuit 1 State 10057 1 1 Load Circui...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 29 Liebert DS Data points Mapped to Input Status and Coils Reference Document: ST100I&C PA Parameters and Events, Version 18.0 Data Description Status Coil# # bit - Notes iCOM Reference Sleep on Monday 10001 1 1 U603 Sleep on Tuesday 10002 2 ...

REV. 5 7/6/2007 Liebert Monitoring Group –Development 32 Data Points Mapped to Input and Holding Registers (A value read from an input register is the real-time data value. A value read from a holding register is the value last set to this modbus server by a user.) Reference Document: ST100I&C P...

M ONITORING OpenComms - 485 Modbus Reference Guide T HE C OMPANY B EHIND T HE P RODUCTS With over a million installations around the globe, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of support and protection systems...