Specifications

Appendix
66 ProtoMat 95s/II
SerialPort1 pinouts:
All signals are galvanically decoupled; all contacts not described are not
used.
9.3 SerialPort2 serial connection
The SerialPort2 data channel is an RS 232-C standard port and can be
used for communication between the control unit and another system.
The SerialPort2 data transmission rate is programmed using DIL
switches 3 and 4.
SerialPort2 pinouts
All contacts not described are not used.
Pin Signal Meaning
2TXDTransmit data
3 RXD Receive data
4 RTS Request to send
5 CTS Clear to send
7 GND-I Ground (isolated)
8 DCD Data carrier detect
20 DTR Data terminal ready
Switch 3 Switch 4 Baud-rate
OFF OFF 4600 baud
ON OFF 9600 baud
Default setting
OFF ON -
ON ON -
PIN Signal Meaning
3 TXD Transmit data
2 RXD Receive data
7 RTS Request to send
8 CTS Clear to send
5 GND Ground