ProSoft PLX32-EIP-MBTCP-UA - Page 89

PLX32-EIP-MBTCP-UA ♦ Multi-Protocol Gateway MBTCP Protocol
User Manual
ProSoft Technology, Inc. Page 89 of 156
March 8, 2018
Parameter
Description
Modbus Commands
Supported
(client and server)
1: Read Coil Status
2: Read Input Status
3: Read Holding Registers
4: Read Input Registers
5: Force (Write) Single Coil
6: Preset (Write) Single Holding
Register
15: Force (Write) Multiple Coils
16: Preset (Write) Multiple Holding Registers
22: Mask Write Holding Register (Slave Only)
23: Read/Write Holding Registers (Slave
Only)
Configurable
Parameters:
(client and server)
 Gateway IP Address
 PLC Read Start Register (%MW)
 PLC Write Start Register (%MW)
 Number of MBAP and MBTCP servers
 Gateway Modbus Read Start Address
 Gateway Modbus Write Start Address
Configurable
Parameters:
(client only)
 Minimum Command Delay
 Response Timeout
 Retry Count
 Command Error Pointer
Command List
Up to 160 Modbus commands (one tag per command)
Status Data
 Error codes reported individually for each command.
 High-level status data available from Modbus TCP/IP client (for example
PLC)
Command List Polling
Each command can be individually enabled or disabled; write-only-on-data-
change is available