The contact closure (CtCl) ports are located at the back of the frame and use a female DB25 connector.
Table 1. Contact Closure Rating
| Specification |
Value |
| Type |
Solid-State Contact Closure |
| Input Voltage |
100VDC |
| Maximum Current |
120mA |
Table 2. Contact Closure Locations
| Pin |
Port 1 |
| 1 |
CtCl 1 Out |
| 2 |
CtCl 2 Out |
| 3 |
CtCl 3 Out |
| 4 |
CtCl 4 Out |
| 5 |
CtCl 5 Out |
| 6 |
CtCl 6 Out |
| 7 |
CtCl 7 Out |
| 8 |
CtCl 8 Out |
| 9 |
CtCl 9 Out |
| 10 |
CtCl 10 Out |
| 11 |
CtCl 11 Out |
| 12 |
CtCl 12 Out |
| 13 |
n/c |
| 14 |
CtCl 1 Common |
| 15 |
CtCl 2 Common |
| 16 |
CtCl 3 Common |
| 17 |
CtCl 4 Common |
| 18 |
CtCl 5 Common |
| 19 |
CtCl 6 Common |
| 20 |
CtCl 7 Common |
| 21 |
CtCl 8 Common |
| 22 |
CtCl 9 Common |
| 23 |
CtCl 10 Common |
| 24 |
CtCl 11 Common |
| 25 |
CtCl 12 Common |
