Modbus Driver for Siemens S7-CPU, CP340
The Modbus RTU driver (Master or Slave) is running on Siemens S7-300 PtP CPUs, CP340 and even ET200s module. No CP 341 and hardware dongle is needed! It is a simple and easy to use Modbus driver which consists of 3 versions.
Modbus Master Driver:
Master station only
Modbus Slave Driver:
Slave station only
Modbus Master-Slave Driver:
The driver consists of Master driver and Slave driver in one software package. The S7-300 CPU equiped with 2 units of CP 340 can be acted as Master station and Slave station simultaneously.
Advantage:
No programming skilll is needed!
Save hardward cost, no CP341 and the dongle are needed!
Specification:
Compy with Modbus Application Protocol Specification V1.1
Hardware requirment :
S7-300 CPU PtP
S7-300 CPU with CP 340
S7-300 CPU with
ET200s modbus module
Networking:
Supports RS232, RS485
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