Table 6-4. Measurement Interface Board Connector Pin Descriptions - Thermo Scientific 42i Instruction Manual

Thermo Fisher Scientific
Connector Reference
Label Designator
AC INTF BD PJ3
Table 6–4. Measurement Interface Board Connector Pin Descriptions
Connector Reference
Label Designator
DATA IPJ8
PRES MJ3
INPUT BD MJ8
AMB TEMP MJ9
HVPS MJ10
Pin Signal Description
3 AC-Ground
1 AC-HOT
2 AC-NEUT
3 AC-Ground
Pin Signal Description
1 Ground
2 +RS485 from Motherboard
3 -RS485 from Motherboard
1 Pressure Sensor Input
2 Ground
3 +15V
4 -15V
1 +15V
2 Ground
3 -15V
4 +5V
5 Ground
6 Measurement Frequency Output
7 Amplifier Zero Adjust Voltage
8 SPI Output
9 SPI Clock
10 SPI Board Select
1 Ambient Temperature Thermistor
2 Ground
1 HV Power Supply Voltage Adjust
2 Ground
3 HV Power Supply On/Off
4 Ground
5 HV Power Supply Voltage Monitor
6 Ground
Model 42i Instruction Manual
Troubleshooting
Connector Pin Descriptions
6-13