Communication module---From MODBUS RS232 to Profibus PA

Physical Parameters

Bus signal: compliant with IEC61158-2 physical layer standard

Bus power supply: 9 ~ 32V

Operating temperature: -40 ~ 85°C

Static current: ≤14mA

Humidity range: 5% ~ 95%,non-dew

Mechanism size: diameter 66mm(can be customized)

Supportive MODBUS Communication Parameters

Address: 1 ~ 255

Baud rate: 9600 / 19200 / 15625 / 31250 /62500 / 125000 bps

Data bit: 7 / 8 bits

Calibration: odd / even calibration

Stop bit: 1 / 2 bits

CRC calibration: low byte ahead / high byte ahead

Data format: support various data formats

Supportive MODBUS Function Code

Function Code 1: read loop status

Function Code 2: read discrete input status

Function Code 3: read keeping register value

Function Code 4: read input register value

Function Code 6: write loop

Function Code 16:write multiple register values