Description
3.18 Performance features of the PAC RS485 expansion module
SENTRON PAC4200
System Manual, 09/2009, A5E02316180B-02
61
3.18 Performance features of the PAC RS485 expansion module
You can integrate the SENTRON PAC into RS 485 systems with the help of the PAC RS485
expansion module.
Overview
Features include:
● Communication based on the master-slave principle via the serial interface
● Function:
– Modbus RTU slave
– Serial gateway
– Modbus gateway (MB gateway)
● Configuration via:
– the SENTRON PAC Power Monitoring Device
–
SENTRON powerconfig
● Unicast messages
● Broadcast commands with address 0 to the MODBUS slaves
3.19 Performance features of the SENTRON PAC 4DI/2DO expansion
module
You expand the digital inputs and digital outputs with the SENTRON PAC 4DI/2DO
expansion module.
Overview
● Plug-in expansion module for the SENTRON PAC devices
● Does not require an external power supply
● Configuration via:
– the SENTRON PAC Power Monitoring Device
–
SENTRON powerconfig
● Connected using screw terminals
● Four digital inputs with:
– Functions as on the SENTRON PAC
– Active input circuit. This enables optional connection without external power supply.
● Two digital outputs with:
– Functions as on the SENTRON PAC