Table 6-6. Measurement Interface Board Connector Pin Descriptions - Thermo Scientific 48i Instruction Manual

Troubleshooting
Connector Pin Descriptions
6-16 Model 48i Trace Level-Enhanced Instruction Manual
Connector Reference
Label Designator
AC IN PJ1
AC 24VPWR J1
AC INTF BD PJ3
Table 6–6. Measurement Interface Board Connector Pin Descriptions
Connector Reference
Label Designator
DATA J17
PREAMP BD J7
Pin Signal Description
5 Ground
6 NC
7 Serial Port 2 RTS (+RS485 OUT)
8 Serial Port 2 CTS (+RS485 IN)
9 NC
1 AC-HOT
2 AC-NEUT
3 AC-Ground
1 AC-HOT
2 AC-NEUT
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 Preamp Signal Input
2 Ground for Shield
3 Ground
4 SPI – Data Out
5 SPI - CLK
6 SPI - CS
7 +15V
8 +5V
9 +18V for IR Source
10 Ground
11 -100V
12 -100V Return
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