product description：
Basic information: CM574-RS 1SAP170400R0201 ABB AC500 communication module
Extended product type :CM574-RS
Product Number :1 sap170400r0201
ABB Model :CM574-RS
EAN: 4016779837170
Directory description: Communication module. The protocol can be configured. 2 serial ports RS232, RS485 (CM574-RS)
Details :CM574-RS: AC500 communication module. The protocol can be configured. 2 serial ports RS232, RS485.
-40°c… + 70°C
-40°c… -30 ° C: The system starts normally. Technical data is not guaranteed
-40°c… 0°C: Due to LCD technology
Display response can be very slow.
-40°c… +40 ° C: The module is installed vertically
Possible, the output load is limited to 50% per group
+60°c… +70°C, the derating is as follows:
● The system limit is maximum. Two communication modules per terminal base
● Digital input: The maximum number of input channels open at the same time is limited to 75% per group (e.g. 8 channels => 6 channels)
● Digital output: Maximum output current (all channels together) is limited to 75% per group (e.g. 8 A => 6 A)
● Analog output only when configured as a voltage output: maximum total output current limit of 75% per group (e.g. 40 mA => 30 mA)
● Analog output only when configured as a current output: The maximum number of output channels used at the same time is limited to 75% per group (e.g. 4 channels => 3 channels)
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