ProSoft Technology CompactLogix MVI69E-MBS User Manual page 6

MVI69E-MBS ♦ CompactLogix™ Platform
Modbus Serial Enhanced Communication Module
8 Reference
8.1
8.1.1
8.1.2
8.2
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.2.7
8.2.8
8.2.9
8.2.10
8.2.11
8.2.12
8.3
8.3.1
8.3.2
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.4.7
8.4.8
8.4.9
8.4.10
8.4.11
8.4.12
8.4.13
8.4.14
8.4.15
8.4.16
8.4.17
8.4.18
8.4.19
8.4.20
8.4.21
8.5
8.5.1
8.6
8.6.1
8.6.2
8.6.3
8.6.4
ProSoft Technology, Inc.
Product Specifications ................................................................................... 112
Hardware Specifications ................................................................................ 112
General Specifications - Modbus Master/Slave ............................................. 113
About the Modbus Protocol ........................................................................... 113
Modbus Master .............................................................................................. 114
Modbus Slave ................................................................................................ 114
Function Codes Supported by the Module .................................................... 114
Read Coil Status (Function Code 01) ............................................................ 115
Read Input Status (Function Code 02) .......................................................... 117
Read Holding Registers (Function Code 03) ................................................. 118
Read Input Registers (Function Code 04) ..................................................... 119
Force Single Coil (Function Code 05) ........................................................... 120
Preset Single Register (Function Code 06) ................................................... 121
Diagnostics (Function Code 08) .................................................................... 121
Force Multiple Coils (Function Code 15) ....................................................... 124
Preset Multiple Registers (Function Code 16) ............................................... 125
Floating-Point Support ................................................................................... 126
Enron Floating Point Support ......................................................................... 127
Configuring the Floating Point Data Transfer ................................................ 127
Function Blocks.............................................................................................. 132
Event Command Blocks (1000 to 1255, 2000 to 2255) ................................. 133
Slave Polling Disable Blocks ......................................................................... 134
Slave Polling Enable Blocks (3001, 3101) ..................................................... 134
Slave Polling Status Blocks (3002 to 3006, 3102 to 3106) ........................... 135
Command Control Blocks (5001 to 5006, 5101 to 5106) .............................. 136
Add Event with Data Blocks (8000, 8001) ..................................................... 137
Get Event with Data Status Block (8100) ...................................................... 138
Get Configuration File Information Block (9000 or -9000) ............................. 139
Get Configuration File Block (9001 or -9001) ................................................ 140
Get General Module Status Data Block (9250) ............................................. 141
Set Port and Command Active Bits Block (9500) .......................................... 143
Get Port and Command Active Bits Block (9501).......................................... 144
Pass-through Formatted Word Data Block for Functions 6 & 16 (9956) ....... 145
Pass-through Formatted Float Data Block for Functions 6 & 16 (9957)........ 146
Pass-through Formatted Block for Function 5 (9958).................................... 147
Pass-through Formatted Block for Function 15 (9959) ................................. 148
Pass-through Formatted Block for Function 23 (9961) ................................. 149
Pass-through Block for Function 99 (9970) ................................................... 150
Pass Module Time to Processor Block (9973) .............................................. 151
Reset Status Block (9997) ............................................................................. 152
Cold-boot Control Block (9999) ..................................................................... 152
Ethernet Port Connection .............................................................................. 153
Ethernet Cable Specifications ........................................................................ 153
Modbus Application Port Connection ............................................................ 154
RS-232 Wiring................................................................................................ 154
RS-422 Wiring................................................................................................ 157
RS-485 Wiring................................................................................................ 157
DB9 to RJ45 Adaptor (Cable 14) ................................................................... 158
Contents
User Manual
112
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