Processor Unit serial adapter
The Moxa CP114EL-I adapter is used in the CS90 Processor Unit to provide serial communication. The board provides four serial lines. The serial lines are connected using a large D-Subminiature connector on the rear side of the Processor Unit.
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The Moxa CP114EL-I serial adapter supports RS-232, RS-422 and RS-485 (both 2 and 4-wire). The connections to the board are made using a converter cable with four 9-pin male D-subminiature connectors. The converter cable is supplied with the Processor Unit.
•  ManufacturerMoxa
•  Manufacturer’s website: https://www.moxa.com
Adapter
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A dedicated adapter cable is provided with the CS90 delivery. The adapter splits the large circuit board connector to four 9-pin D-Subminiature connectors. To make the individual connections easier, 9-pin D-Subminiature connectors with screw terminals are included in the delivery. Nuts to establish firm connections are also provided.
Serial line support
The serial adapter supports the following interface formats.
•  Port 1RS-232 / RS-422 / RS-485
•  Port 2RS-232 / RS-422 / RS-485
•  Port 3RS-232 / RS-422 / RS-485
•  Port 4RS-232 / RS-422 / RS-485
In order to set up the serial ports to match your interface requirements, use the dedicated software utility in the device driver. There are neither jumpers nor DIP switches on the circuit board.
Pin configuration
Moxa CP114EL-I connectors / Adapter cable
Pin RS-232 RS-422 RS-485 (4-wire) RS-485 (2-wire)
1 DCD TXD-(A) TXD-(A)  
2 RxD TXD+(B) TXD+(B)  
3 TxD RXD+(B) RXD+(B) Data-(B)
4 DTR RXD-(A) RXD-(A) Data-(A)
5 Ground Ground Ground Ground
6 DSR      
7 RTS      
8 CTS      
9