Westermo FD-20 - Manual (Page 11)

11 6630-2220
6.2.1 Power
2-pos screw terminal Direction Description
No. 1In 0 VDC (–)
No. 2 In +12 to +48 VDC (+)
6.2.4 RS-485
2-pos Detachable screw terminal Direction Description
No. 1In/Out Transmit/Receive T/R+ (T+)
No. 2 In/Out Transmit/Receive T/R– (T–)
6.2.2 PROFIBUS DP
9-pos D-sub Direction Description
No. 1– –
No. 3 – –
No. 3 In/Out RxD/TxD-P
No. 4 Out CNTR-P
No. 5 – DGND
No. 6 Out VP
No. 7 – –
No. 8 In/Out RxD/TxD-N
No. 9 – DGND
6.2.3 RS-232 (DTE)
9-pos D-sub Direction Description
No. 1– –
No. 2 In Receive Data (RD)
No. 3 Out Transmit Data (TD)
No. 4 Out Data Terminal Ready (DTR)
No. 5 – Signal ground (SG)
No. 6 – –
No. 7 Out Request To Send (RTS)
No. 8 In Clear To Send (CTS)
No. 9 – –
1 2
1 2
5
4
3
2
1
9
8
7
6
1
2
3
4
5
6
7
8
9
Female
Male