System Components
Sicore II Installation and Commissioning Guide
667/HB/52600/000 Issue 2 Unrestricted
5.6.4. Aux 2 Connector
This 18 way connector carries the following signals:
• Isolated RS232
• Duplication of Isolated RS422/RS485 that appears on the main connector
This connector has a different key orientation than Aux 1 to stop cable swapping.
The connector has the following pinout:
No. Pin Function Colour Core
1 L Isolated RS232 TxD Grey 2
2 A Isolated RS232 RxD Pink 2
3 B Isolated RS232 RTS Yellow 2
4 C Isolated RS232 CTS Green 2
5 D
1
Isolated Ground for RS232 - -
6 R Isolated RS422 TxD+ / RS485 Data + Brown 1
7 E Isolated RS422 TxD- / RS485 Data - Yellow 1
8 S Isolated RS422 RxD+ Blue 1
9 G Isolated RS422 RxD- White 1
10 F Isolated Ground for RS422/RS485 Green + Black 1+1
11 K Isolated sicore.in.2 bit 4 + Red 1
12 J Isolated Ground for pins K & M Orange 1
13 M Isolated sicore.out.1 bit 4 / Digital Output 4 + Brown 2
14 T Isolated Ground for Digital Output 4 and RS232 White 2
15 N
1
Isolated sicore.in.2 bit 1 + - -
16 U
1
Isolated Ground for sicore.in.2 bit 1 - -
17 H Isolated sicore.in.2 bit 3 Signal Input Red 3
18 P Isolated sicore.in.2 bit 3 Ground Return Black 3
Table 11 – Aux 2 Connector Pinout
1
– Functions not available with standard cables as listed in
. If these functions are needed a custom cable will be required.
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