MVI56E-MNETC/MNETCXT ♦ ControlLogix Platform MVI56E-MNETC/MNETCXT Configuration
Modbus TCP/IP Client Enhanced Communication Module - Client/Server User Manual
ProSoft Technology, Inc. Page 41 of 172
September 20, 2018
Output Offset
0 to 9999
This parameter defines the start register for the Modbus command data in the
internal database. This parameter is enabled when a value greater than 0 is set.
For example, if the Output Offset value is set to 3000, data requests for Modbus
Coil Register address 00001 will use the internal database register 3000, bit 0. If
the Output Offset value is set to 3000, data requests for Modbus Coil register
address 00016 will use the internal database register 3000, bit 15. Function
codes affected are 1, 5, and 15.
Bit Input Offset
0 to 9999
This parameter defines the start register for Modbus command data in the
internal database. This parameter is enabled when a value greater than 0 is set.
For example, if the Bit Input Offset value is set to 3000, data requests for Modbus
Input Register address 10001 will use the internal database register 3000, bit 0. If
the Bit Input Offset is set to 3000, data requests for Modbus Coil register address
10016 will use the internal database register 3000, bit 15. Function code 2 is
affected.
Holding Register Offset
0 to 9999
This parameter defines the start register for the Modbus Command data in the
internal database. This parameter is enabled when a value greater than 0 is set.
For example, if the Holding Register Offset value is set to 4000, data requests for
Modbus Word register 40001 will use the internal database register 4000.
Function codes affected are 3, 6, 16, & 23.
Word Input Offset
0 to 9999
This parameter defines the start register for Modbus Command data in the
internal database. This parameter is enabled when a value greater than 0 is set.
For example, if the Word Input Offset value is set to 4000, data requests for
Modbus Word register address 30001 will use the internal database register
4000. Function code 4 is affected.
Connection Timeout
0 to 1200 seconds
Thhe number of seconds the server will wait to receive new data. If the server
does not receive any new data during this time, it will close the connection.
Error/Status Pointer
-1 to 9980 seconds
This is the database offset for MBAP and MNET server status data.
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