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Page 40
Output Port (DB25 Male)
Notes: Outputs are mechanical dry contacts
–
sealed relays.
Do not use CT2500 outputs to switch high inductive loads
–
damage to relays can occur.
PIN
Function
1
0 VDC (from internal power supply)
2
0 VDC (from internal power supply)
3
Output 1
–
Normally Closed
4
Output 2
–
Normally Closed
5
Common
–
Outputs 3 & 4
6
Output 3
–
Normally Open
7
Output 4
–
Normally Open
8
Output 5
–
Normally Closed
9
Output 6
–
Normally Closed
10
Common
–
Outputs 7 & 8
11
Output 7
–
Normally Open
12
Output 8
–
Normally Open
13
24 VDC (from internal power supply)
14
0 VDC (from internal power supply)
15
Common
–
Outputs 1 & 2
16
Output 1
–
Normally Open
17
Output 2
–
Normally Open
18
Output 3
–
Normally Closed
19
Output 4
–
Normally Closed
20
Common
–
Outputs 5 & 6
21
Output 5
–
Normally Open
22
Output 6
–
Normally Open
23
Output 7
–
Normally Closed
24
Output 8
–
Normally Closed
25
24 VDC (from internal power supply)