RM 203

Bus coupler MODBUS RTU

	Data sheet
	中文说明书
	Functional description

• Central coupler module with MODBUS interface
• MODBUS总线接口耦合器模块


• RM 203-0 : MODBUS RTU - RS 485


• RM 203-1 : MODBUS RTU - RS 232


• Baudrate up to 38.4 kBd, configurable
• 波特率最大38.4 kBd，可组态


• connectable up to 72 I/O points
• 可以连接最多72个输入/输出点

Applications 应用
Decentralized input/output modules RM 200
Modular system

Main attributes 主要属性
MODBUS slave
protocol MODBUS RTU
interfaces for RS485 and RS232
baudrates up to 38.4 kBit/s
addresses 1... 127
relay alarm output
LED indicators: 4x status
screw-/plug-in terminals
plug-in module