Table 6-5. Front Panel Board Connector Pin Diagram - Thermo Scientific 48i Instruction Manual

Troubleshooting
Connector Pin Descriptions
6-14 Model 48i Instruction Manual
Connector Reference
Label Designator
Z/S J13
SAMPLE J14
SPAN1 J15
SPAN2 J16
DATA J17
24V IN J18
FAN J19
FAN SW1 J20
FAN SW2 J21
Table 6–5. Front Panel Board Connector Pin Diagram
Connector Reference
Label Designator
MOTHERBOARD J1
Pin Signal Description
15 NC
16 +5V
1 +24V
2 Zero/Span Solenoid Control
1 +24V
2 Sample Solenoid Control
1 +24V
2 Converter Solenoid Control
1 +24V
2 Span 2 Solenoid Control
1 Ground
2 +RS485 from Motherboard
3 -RS485 from Motherboard
1 +24V Input
2 Ground
1 +24V (Fused)
2 Ground
1 +24V (Fused)
2 Fan Control
1 +24V (Fused)
2 Fan Control
Pin Signal Description
1 Ground
2 Ground
3 LCLK – LCD Signal
4 Ground
5 Ground
6 LLP – LCD Signal
7 LFLM – LCD Signal
8 LD4 – LCD Signal
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