RMA ERMA - ERMA - Electronic GmbH
RMA ERMA - ERMA - Electronic GmbH
RMA ERMA - ERMA - Electronic GmbH
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4.7. Connection of accessory power supply output<br />
24 V DC (only at AC-Version)<br />
1 2 3 4 5 6 7 8<br />
4.8. Connection of analog output<br />
voltage 0(2) .. 10 V current 0(4) .. 20 mA<br />
24 25 26 27 28 29 30 31 24 25 26 27 28 29 30 31<br />
4.9. Connection of RS 485 interface<br />
2 3 4 5 6 7 8<br />
1<br />
A(+)<br />
B(-)<br />
GND<br />
4.10. Connection of RS 232 interface<br />
24 25 26 27 28 29 30 31<br />
GND<br />
TxD<br />
RxD<br />
RTS<br />
CTS<br />
4. Electrical connections<br />
25-pin. 9-pin.<br />
7 GND 5 GND<br />
2 TxD 3 TxD<br />
3 RxD 2 RxD<br />
4RTS 7RTS<br />
-<br />
+<br />
+ - + -<br />
25 26 27 28 29 30 31<br />
5 CTS 8 CTS<br />
6 6<br />
8 1<br />
20 4 24<br />
GND<br />
TxD<br />
RxD<br />
with Handshake without Handshake<br />
A<br />
B<br />
A<br />
B<br />
25-pin. 9-pin.<br />
7 GND 5 GND<br />
2 TxD 3 TxD<br />
3 RxD 2 RxD<br />
4 RTS 7 RTS<br />
5 CTS 8 CTS<br />
6 6<br />
8 1<br />
20 4<br />
E<strong>RMA</strong>-<strong>Electronic</strong> <strong>GmbH</strong> 12
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