Thermo Scientific 146i Instruction Manual page 180

Troubleshooting
Connector Pin Descriptions
6-18 Model 146i Instruction Manual
Table 6-5. I/O Expansion Board (Optional) Connector Pin Descriptions, continued
Connector Reference
Label Designator
MOTHER BD J2
Pin Signal
Description
6 Analog Voltage Input 5
7 Analog Voltage Input 6
8 Ground
9 Analog Voltage Input 7
10 Analog Voltage Input 8
11 Ground
12 NC
13 NC
14 Ground
15 Current Output 1
16 Current Output Return
17 Current Output 2
18 Current Output Return
19 Current Output 3
20 Current Output Return
21 Current Output 4
22 Current Output Return
23 Current Output 5
24 Current Output Return
25 Current Output 6
1 +5V
2 +24V
3 +24V
4 Ground
5 Ground
6 Ground
7 +RS485 to Motherboard
8 -RS485 to Motherboard
Thermo Fisher Scientific