Table 6-6. I/O Expansion Board (Optional) Connector Pin Descriptions - Thermo Scientific 5028i Instruction Manual

Thermo Fisher Scientific
Connector Reference
Label Designator
KEYBOARD J3
LCD BACKLIGHT J4
Table 6–6. I/O Expansion Board (Optional) Connector Pin Descriptions
Connector Reference
Label Designator
EXPANSION I/O J1
Pin Signal Description
14 Ground
1 Keypad Row 1 Input
2 Keypad Row 2 Input
3 Keypad Row 3 Input
4 Keypad Row 4 Input
5 Keypad Col 1 Select
6 Keypad Col 2 Select
7 Keypad Col 3 Select
8 Keypad Col 4 Select
1 +5V Supply
2 NC
3 Ground
Pin Signal Description
1 Analog Voltage Input 1
2 Analog Voltage Input 2
3 Analog Voltage Input 3
4 Ground
5 Analog Voltage Input 4
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 Current Output Return
14 Ground
15 Current Output 1
16 Current Output Return
17 Current Output 2
18 Current Output Return
19 Current Output 3
Model 5028i Instruction Manual
Troubleshooting
Connector Pin Descriptions
6-19