ProSoft Technology MVI69-MCM User Manual
Page 7

MVI69-MCM ♦ CompactLogix or MicroLogix Platform
Contents
Modbus Communication Module
User Manual
ProSoft Technology, Inc.
Page 7 of 167
March 22, 2011
5.5.7
Warm Boot Block (9998) ....................................................................................... 133
5.5.8
Cold Boot Block (9999) ......................................................................................... 133
5.6
Modbus Protocol Specification .............................................................................. 134
5.6.1
Commands Supported by the Module ................................................................... 134
5.6.2
Read Coil Status (Function Code 01) ................................................................... 134
5.6.3
Read Input Status (Function Code 02) .................................................................. 135
5.6.4
Read Holding Registers (Function Code 03) ........................................................ 136
5.6.5
Read Input Registers (Function Code 04) ............................................................. 137
5.6.6
Force Single Coil (Function Code 05) ................................................................... 138
5.6.7
Preset Single Register (Function Code 06) ........................................................... 139
5.6.8
Diagnostics (Function Code 08) ............................................................................ 140
5.6.9
Force Multiple Coils (Function Code 15) ............................................................... 142
5.6.10
Preset Multiple Registers (Function Code 16) ...................................................... 143
5.6.11
MODBUS Exception Responses ........................................................................... 144
5.7
Cable Connections ................................................................................................ 146
5.7.1
RS-232 Configuration/Debug Port ........................................................................ 146
5.7.2
RS-232 Application Port(s) ................................................................................... 146
5.7.3
RS-422 .................................................................................................................. 149
5.7.4
RS-485 Application Port(s) .................................................................................... 149
5.7.5
DB9 to RJ45 Adaptor (Cable 14) .......................................................................... 150
5.8
MCM Database Definition ..................................................................................... 151
5.9
Status Data Definition ............................................................................................ 152
6
Support, Service & Warranty
155
Contacting Technical Support ......................................................................................................... 155
6.1
Return Material Authorization (RMA) Policies and Conditions.............................. 157
6.1.1
Returning Any Product .......................................................................................... 157
6.1.2
Returning Units Under Warranty ........................................................................... 158
6.1.3
Returning Units Out of Warranty ........................................................................... 158
6.2
LIMITED WARRANTY ........................................................................................... 159
6.2.1
What Is Covered By This Warranty ....................................................................... 159
6.2.2
What Is Not Covered By This Warranty ................................................................ 160
6.2.3
Disclaimer Regarding High Risk Activities ............................................................ 160
6.2.4
Intellectual Property Indemnity .............................................................................. 161
6.2.5
Disclaimer of all Other Warranties ........................................................................ 161
6.2.6
Limitation of Remedies ** ...................................................................................... 162
6.2.7
Time Limit for Bringing Suit ................................................................................... 162
6.2.8
No Other Warranties ............................................................................................. 162
6.2.9
Allocation of Risks ................................................................................................. 162
6.2.10
Controlling Law and Severability ........................................................................... 163
Index
165