4-1
4
Cabling and Wiring
Warning
The procedures in the section are intended for qualified service personnel.
Do not perform these procedures unless you are qualified to do so.
Users of this product must be protected from electric shock at all times.
The responsible body must ensure that users are prevented access and/or
insulated from every connection point. In some cases, connections must
be exposed to potential human contact. Product users in these
circumstances must be trained to protect themselves from the risk of
electric shock.
This section shows the cabling and connections required for attaching
accessories and I/O lines to the main I/O connector of your PDISO-8
boards. The main I/O connector is a male, 37-pin, D-type. Pin
assignments for this connector are shown in Figure 4-1.
Figure 4-1. Pin Assignments for the Main I/O Connector
37 - OP0 (C)
36 - OP1 (NO)
35 - OP1 (NC)
34 - OP2 (C)
33 - OP3 (NO)
32 - OP3 (NC)
31 - OP4 (C)
30 - OP5
29 - OP6
28 - OP7
27 - IP0
26 - IP1
20 - IP7
OP0 (NO) - 19
OP0 (NC) - 18
OP1 (C) - 17
OP2 (NO) - 16
25 - IP2
24 - IP3
23 - IP4
22 - IP5
21 - IP6
OP2 (NC) - 15
OP3 (C) - 14
OP4 (NO) - 13
OP4 (NC) - 12
OP5 - 11
OP6 - 10
OP7 - 09
IP0 - 08
IP1 - 07
IP2 - 06
IP3 - 05
IP4 - 04
IP5 - 03
IP6 - 02
IP7 - 01
(NO) = normally open
(C) = common
(NC) = normally closed