Driver Description
The Modbus TCP driver allows the FieldServer to transfer data to and from devices over Ethernet using Modbus/TCP protocol. The FieldServer can emulate either a Server or Client. Up to 200 simultaneous Modbus connections are possible.
| Fieldserver Mode |
Nodes |
Comments |
| Client |
1 |
Only 1 client node allowed on Multidrop systems |
| Server |
32 |
This is the limit per I/Net Panel. The 32 nodes correspond to the maximum of 32 MR's that an I/Net Panel supports. |
Formal Driver Type
Compatibility Matrix
| FieldServer Model |
Compatible with this driver |
| FS-x2010 |
Yes |
| FS-x2011 |
Yes |
| FS-x40 |
Yes |
Connection Information
| Connection type: |
Ethernet |
| Ethernet Speeds Supported |
10Base-T, 100Base-T |
Devices tested
| Device |
Tested (FACTORY, SITE) |
| Quantum PLCs |
Customer |
| Fix Intellution |
Factory |
| Wonderware Intouch |
Factory |
| GE Simplicity |
Customer |
| Others |
Please contact Factory |
Connection configurations
Communications functions - Supported functions at a glance:
Data Types Supported
| Command |
Description |
| 01 |
Read Discrete Output Status (0xxxx) |
| 02 |
Read Discrete Input Status (1xxxx) |
| 03 |
Read Output Registers (4xxxx) |
| 04 |
Read Input Registers (3xxxx) |
| 05 |
Force Single Coil (0xxxx) |
| 06 |
Preset Single Register (4xxxx) |
| 15 |
Force Multiple Coils (0xxxx) |
| 16 |
Preset Multiple Registers (4xxxx) |
| EX |
Exception Status |
| FF |
FIFO |
| Data Type |
Comments |
| ASCII |
8-bit character |
| Digital |
Digital |
| Float |
32-bit IEEE floating point |
| Long |
Unsigned 32-bit integer |
| Signed |
Signed 16-bit integer |
| Slong |
Signed 32-bit integer |
| Unsigned |
Unsigned 16-bit integer |
