ProSoft Technology MVI56E-MCM/MCMXT - Manual (Page 155)

MVI56E-MCM ♦ ControlLogix Platform Reference
Modbus Communication Module User Manual
ProSoft Technology, Inc. Page 155 of 199
June 18, 2014
Name Data Type Description
Port2MasterCmd MCMCmd[325] Master commands for Port 2 (ignore if port is
configured for slave mode)
Note: To use up to 325 commands, your MVI56E-MCM module needs to have firmware version
3.01 or higher, and your MVI56E-MCM Add-On Instruction needs to be version 2.8 or higher.
Earlier versions support up to 100 commands.
MCMModule
This object contains the information used to define the data movement between
the module and the processor.
Name Data Type Description
WriteStartReg INT Start reg to transfer from PLC to module
WriteRegCnt INT Number of registers to write from PLC
ReadStartReg INT Start reg to transfer from module to PLC
ReadRegCnt INT Number of registers to transfer from module
BPFail INT Determines module operation if BP fails
0=continue,>0=number of retries before comm
shutdown
ErrStatPtr INT Internal DB start register for status data (-
1=Ignore)
MCMPort
This object contains the serial port configuration for the MVI56E-MCM module.
Name Data Type Description
Enabled INT 0=Port Disabled,1=Port Enabled
Type INT 0=Master, 1=Slave, 2=Slave: pass-through,
3=Slave: formatted pass-through/data
swapped, 4=Slave: form. pass-through
FloatFlag INT 0=No floating-point data, 1=Use floating-point
data
FloatStart INT Register offset in message for floating-point
data
FloatOffset INT Internal DB offset to start of floating-point data
Protocol INT 0=Modbus RTU, 1=Modbus ASCII
Baudrate INT Baudrate for port (110 to 115.2K)
Parity INT 0=None, 1=Odd, 2=Even, 3=Mark, 4=Space
DataBits INT 5 to 8 data bits
StopBits INT 1 or 2 stop bits
RTSOn INT 0-65535 mSec delay before data
RTSOff INT 0-65535 mSec delay after data
MinResp INT 0-65535 mSec minimum time before response
to request