Table 6-9. Temperature Control Board Connector Pin Descriptions - Thermo Scientific 42i Instruction Manual

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Connector Reference
Label Designator
Table 6–9. Temperature Control Board Connector Pin Descriptions
Connector Reference
Label Designator
INTERFACE J1
AC INPUT J2
BENCH J3
CONVERTER J4
CONV TC J5
SS TEMP J6
Pin Signal Description
4 +5V
5 Ground
6 Measurement Frequency Output
7 Amplifier Zero Adjust Voltage
8 SPI Input
9 SPI Clock
10 SPI Board Select
Pin Signal Description
1 Bench Temperature Input
2 Ground
3 -15V
4 Converter Heater On/Off
5 Converter Temperature Input
6 +15V_PWR
1 AC-HOT
2 AC-NEUT
1 Bench Heater AC Output
2 Bench Heater AC Return
3 Ground
4 Bench Thermistor
1 Ground
2 Converter Heater AC Output
3 Converter Heater AC Return
1 Converter Thermocouple TC
2 Converter Thermocouple TC+
1 SS Temperature Range Jumper A
2 SS Temperature Range Jumper B
Model 42i Trace Level Instruction Manual
Troubleshooting
Connector Pin Descriptions
6-21