Thermo Scientific 48i Instruction Manual page 162

Troubleshooting
Connector Pin Descriptions
6-8 Model 48i Instruction Manual
Connector Reference
Label Designator
INTERFACE 24V J4
I/O J5
Pin Signal Description
1 +24V
2 Ground
1 Power Fail Relay N.C. Contact
2 Digital Ground
3 TTL Input 1
4 TTL Input 2
5 Digital Ground
6 TTL Input 5
7 TTL Input 7
8 TTL Input 8
9 TTL Input 10
10 Ground
11 TTL Input 13
12 TTL Input 15
13 Digital Ground
14 Analog Voltage 1
15 Analog Voltage 3
16 Analog Ground
17 Analog Voltage 5
18 Analog Ground
19 Analog Ground
20 Power Fail Relay COM
21 Power Fail Relay N.O. Contact
22 Digital Ground
23 TTL Input 3
24 TTL Input 4
25 TTL Input 6
26 Digital Ground
27 TTL Input 9
28 TTL Input 11
29 TTL Input 12
30 TTL Input 14
31 TTL Input 16
32 Digital Ground
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