Page 2 - User’s Guide; For; Table of Contents
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page i Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) User’s Guide Controlinc Network Master … AB1746-C (Version 5.21) For Allen-Bradley Series SLC-500 Programmable Controllers Table of Contents...
Page 3 - Network Communication) 21
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page ii Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4.1.2. Diagram Describing Network Scanning & Actuator Writing Logic ........................ 17 4.1.3. Diagram Demonstrating Adding Add...
Page 6 - Quick Start Information; EIM Controlinc 320A Quick Startup Guide, Rev. F or later; correct cable is a; Null Modem Cable; connected between the PRT1 port (top DB9 connector on
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 1 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 0. Quick Start Information 1. As a minimum, you should have access to the following reference documents: • This manual (1746-C User’s Guide)...
Page 7 - The software that enables network operation is called a
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 2 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 1. Introduction 1.1. Overview of 1746-C System This document is intended for end users as a Guide in applying an EIM AB 1746-C Network Maste...
Page 8 - Reporting of inaccessible actuators
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 3 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) The 1746-C master will handle network communication, error detection, alarming, and network recovery. Other features include: • Reporting of...
Page 9 - Memory Maps adjusted.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 4 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 1.2. Overview of Changes in Version 5.21 For the 1746-C system, there is no previous version of the product to reflect functional changes to...
Page 10 - EIM ... Controlinc 320A Quick Startup Guide, Rev. F or later
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 5 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 1.3. Reference Manuals • Allen-Bradley SLC-500 BASIC User's Manual (1746-BAS & 1746-BAS-T) Publication No. 1746-UM004A-US-P 2000 This ma...
Page 11 - The 1746-C is compatible with the following EIM equipment:; Note
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 6 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 1.4. EIM Equipment Compatibility The 1746-C is compatible with the following EIM equipment: • 320A … version 1.17 and later. • 320B … all • ...
Page 13 - polling the network.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 8 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 2.2. LED Utilization 2.2.1. Green (PRT1 & PRT2) and Yellow (LED1 & LED2) LED Usage There are 2 “Yellow” LED lights on the front of t...
Page 14 - and of course none
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 9 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) PRT1 & PRT2 (Green) LED App Note: Green LED Lights & System Initialization with Table [0] After startup, if table [0] is not initial...
Page 16 - Network Setup and Connecting to the NIU; NOTE; Figure 1
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 11 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 3. Network Setup and Connecting to the NIU In general, the EIM NIU (“Network Interface Unit”) is a “beefed up” and configurable RS232 RS485...
Page 18 - Shielding maybe aluminum foil with drain wire.; Rating
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 13 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 3.1. Field Connections at the Actuator Communication connections and wiring are important for the network and the master. ( The following i...
Page 19 - Figure; Correct termination of the Network
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 14 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 3.1.3. Step 3. Route Cable away from Electrical Interference Network cables should enter the electrical enclosures and the bottom or lowest...
Page 21 - PLC Backplane
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 16 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4. 1746-C General Theory of Operation 4.1. Operational Overview The interface for the PLC with the actuators (through the 1746-C module) is...
Page 22 - Fast enough repetitive writes to control the system
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 17 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4.1.2. Diagram Describing Network Scanning & Actuator Writing Logic This example demonstrates how a normal scan cycle gets elongated wi...
Page 25 - Perform basic internal initializations.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 20 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4.1.5. 1746-C System Operations at Power Up The 1746-C software boots up on a power up of the 1746-C module. The general sequence is: 1. Il...
Page 26 - Network
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 21 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4.2. Network Interface (Scan) Time-Slice (1746-C ↔ Network Communication) 4.2.1. Operation: Network Scanning to Gather Valve Actuator Data ...
Page 29 - To read back a table, the PLC must read the M1 file sent from the 1746-C.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 24 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4.3. PLC Interface Time-Slice (1746-C ↔ PLC Communication) The primary interface for the PLC with the 1746-C module is with an array of 25 ...
Page 30 - Figure 3-1 Concept Diagram of Command Operations; ACTUATOR
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 25 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) The interfacing between the PLC and the 1746-C is performed in the 1746-C module in a section of RAM that is used as an exchange buffer are...
Page 31 - Writing a value to any table in the 1746-C memory.; word in the block being
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 26 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4.3.1. Operation: PLC (Write Data Tables To) or (Read Tables From) the 1746-C Relative to M0/M1 transfers, from the 1746-C perspective, the...
Page 32 - unless the command is to write data to the actuators; completes the set of scans in the next network scan time slice
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 27 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) As per affecting network performance, unless the command is to write data to the actuators , the PLC does not have to limit the rate in whi...
Page 34 - OPEN
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 29 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4.3.2. Operation: PLC Commands to Write Data to the Actuators When valve control commands (change setpoint, open, stop or close) are genera...
Page 36 - RLL Example ... Manually Send New Table ... Auto Read Response
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 31 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 4.3.3. RLL Example … Manually Send New Table … Auto Read Response Below is a simple example of an RLL that will manually send a table in a ...
Page 38 - POSITION
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 33 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 5. System Tables From the perspective of the PLC, all tables can be read but only some can be written to. If the PLC attempts to perform a ...
Page 40 - Figure 5-1 Table Arrangement
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 35 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 5.1. Table Arrangement Word offset into table Table [0] ---- System Info Table ---- Read / Write Table [1] ---- Comm. Error Status ---- Rea...
Page 41 - 8 node network
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 36 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) EXAMPLE OF GENERAL TABLE FORMAT … Characteristics: • 48 node network • Table [1] feedback from the 1746-C (what is given to the PLC) Shaded...
Page 47 - If the PLC changes the Number of Actuators on the Network; Number of Scans in Scan Period ... Scan Period “Size”.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 42 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 5.3.2. Table [0] Configuration Words … Words [4 17] The following words in table [0] are a configuration and control parameters set by the ...
Page 51 - do not poll for input registers.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 46 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) Word [17]: FUNCTION: Poll for Input Registers [1000-1003] on TEC2000 Systems This is a flag that indicates whether or not the 1746-C should...
Page 60 - The rest of the network is all the same ...; Last Node
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 55 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) Example Table [2] Feedback (48-node network) … Characteristics: • The format is displayed in HEX because HEX is easier to interpret “bit in...
Page 62 - There are no discrete commands waiting for execution.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 57 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) Example Table [3] Feedback (48-node network) … Characteristics: • There are no discrete commands waiting for execution. Last Node on 48 Nod...
Page 64 - Notes
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 59 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 5.4.5. Table [5]: Valve Position Setpoint … 0 – 4095 Words [4 63] PLC access: Read / Write This table commands the actuators to move to a s...
Page 67 - Only values 0 4095 are allowed ... all others are ignored.; If a; This is an option that must be installed on the actuator.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 62 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 5.4.7. Table [8]: Analog Output #1 Words [4 63] PLC access: Read / Write This table/command tells the actuator to place an appropriate 4-20...
Page 69 - the default; write
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 64 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 5.4.8. Tables [9 & 10]: Digital Input Accumulators (Totalizers) #1 & 2 Words [4 63] PLC access: Read / Write These tables contain 1...
Page 76 - from the actuators when scanning such that ...
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 71 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 5.4.12. Table [14]: Additional Register Being Polled From Entire Network Words [4 63] PLC access: Read / Write This operation allows the op...
Page 83 - see the “Command / Control” section above; IMPORTANT NOTE
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 78 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) DESIRED STATES The desired states of the digital outputs are directly reflected in the bits in the table … which directly reflect the coils...
Page 84 - the; TABLE EXAMPLES ARE ON NEXT PAGE ...
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 79 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) Example Tables [16 & 17] Feedback (48-node network) … Characteristics: • To make it more meaningful, tables [16 & 17] are in hex be...
Page 88 - Last Node on
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 83 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 5.4.16. Table [19]: Actuator Firmware Version ID Words [4 63] PLC access: Read Only. This data is derived from holding register [44] in the...
Page 92 - Table ID is 15 hex ...
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 87 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) Example Tables [21-24] Feedback (48-node network) … Characteristics: • Only 1 TEC2000 system on the network … unit address #1 • Tables [21 ...
Page 93 - Application Notes; Ensure quick responses to the 1746-C requests for an M1 transfer.; cuts down on the time to gather data from each actuator; Only write to or read tables if actually in use.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 88 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6. Application Notes 6.1. App Note: Performance Tuning 6.1.1. General Practices to Ensure Better Performance To ensure optimal performance,...
Page 95 - The scan ends ... go back to step #2 if not at the end of the scan period.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 90 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.1.4. Behavior if a Delay in Loading Table [0] Configuration Information The 1746-C does not store configuration information if power is c...
Page 96 - During the diagnostic scan
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 91 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.1.5. Using the “Scan Period” Value The “Scan Period” value is placed in table [0] for the end user (HMI) to dynamically adjust the networ...
Page 102 - Problems on Port 2; may be used to assist diagnostics; Problems on both ports ... general communication fault.
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 97 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.2.5. Communication Failure Indications (Low-Level & High-Level) Only low-level communication problems flagged as errors in tables [1 ...
Page 108 - Specific Holding Registers Referenced by the Network Master; Holding; MFG ID + Network Address
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 103 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.4. App Note: Memory Maps All references to memory maps in EIM actuators reflects the “description of the memory” as of the date of the d...
Page 114 - Valve Position
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 109 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.4.6. 320B Memory Map … Addressable Holding Registers 320B Holding Register # Description Range (Remote Interface) Increment (Remote Inte...
Page 117 - Description; GENERAL DESCRIPTION
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 112 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.4.8. TEC2000 Memory Map … Table for Holding Registers Description Reg[1000] ... Discrete Inputs 1000 – 1015 Reg[1001] ... Discrete Input...
Page 122 - Read Coil Status
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 117 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.5. App Note: Modbus Message Formats All Modbus communication timing estimates in this document are based on 9600 baud. There is always a...
Page 123 - Standard Coils
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 118 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) Example (in byte order) of a request to read 37 coils … 20–56 (internal coil addresses 19 – 55) from slave device 17: 1. Slave Address 11 ...
Page 124 - Addressable Holding Registers
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 119 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) Example (in byte order) of a request to read registers 40108 – 40110 (internal holding registers 107 – 109) from slave device 17: 1. Slave...
Page 127 - Coil
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 122 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) Example (in byte order) of a request to force a series of ten coils … starting at coil 20 (internal coil number 19 … 13 hex) in slave devi...
Page 129 - Sample Connection Diagram
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 124 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.6. App Note: Install the 1746-C Network Master Firmware Unless the 1746-C Network Master module is supplied by EIM with software (driver...
Page 130 - The module then waits for an upload from the terminal program.; The appropriate file is in “Intel hex format” (; which is an ASCII text file; ) ... all other formats will
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 125 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.6.2. Upload the 1746-C Firmware Please refer to the Allen-Bradley SLC-500 BASIC User's Manual (1746-BAS & 1746-BAS-T) Publication No...
Page 131 - LED1 & LED2 should light up and PRT1 & PRT2 should flicker
Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489 Page 126 Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18) 6.6.3. Reset the 1746-C Module for Normal Operations 1. Power down the PLC. 2. Pull the 1746-C module from the PLC rack. 3. Set JW-4 back ...