Modbus Tcp - Weidmuller WI-GTWY-9 User Manual

WI-GTWY-9-xxx Wireless Gateway
amount of time, the WI-GTWY-9-xxx will timeout and disconnect that connection. Note that
there can be several active connections at the same time - only the inactive connection will be
disconnected.
Enable Ethernet Debug
Select this box if you wish to enable Ethernet Diagnostics on the WI-GTWY-9-xxx via
configuration software (see section 6.3 for details). For security reasons, disabling this option
will disallow all Ethernet diagnostics functions accessible to configuration software, and can only
be reactivated via serial port configuration.

4.12.2 Modbus TCP

To use Modbus TCP, select the Enable Modbus Server box and deselect the Enable Ethernet/IP
box. This will automatically remove the "I/O Instance" selection for all fieldbus mappings. It is
possible for both Modbus TCP and Ethernet/IP to be selected - in this case, select "Disable I/O
Instance" individually for each Modbus TCP fieldbus mapping.
Supported Commands:
Function Function Name
Code
1 Read coils
2 Read Input discretes
3 Read multiple registers
4 Read input registers
5 Write coil
6 Write single register
7 Read exception status
15 Force multiple coils
16 Force multiple registers
22 Mask write register
23 Read/Write registers
Supported Exception Codes:
Exception Name
Code
01 Illegal function
02 Illegal data address
03 Illegal data value
124
Class
1
1
0
1
1
1
1
2
0
2
2
Description
The module does not support the function code in the query
The data address received in the query is outside the
initialized memory area
The data in the request is illegal
Affects Area Address Method
IN/OUT Bit
IN/OUT Bit
IN/OUT Word
IN/OUT Word
OUT Bit
OUT Word
- -
OUT Bit
OUT Word
OUT Word
IN/OUT Word
V1.18