
MKS Instruments UK Ltd
Microvision2 Hardware Manual – SP101015.102 August 2010
13
4.6 Gauge Connector
A standard 9-way D-type socket used to interface to a total pressure gauge. This may be already in use
depending on the type of RGA system purchased.
4.7 Power
A 2-pin D-type connecter used to for the 24VDC power supply.
Pin Function
Description
1
Gauge On
Open collector output from gauge
2 No
connection
3
24VDC Output
24VDC supply output, fused at 120mA
4 0V
Ground
5
Differential Signal Input High
Gauge pressure output
6 0V
Ground
7 No
connection
8
Differential Signal Input Low
Gauge pressure output
9
Gauge Enable
Open collector to gauge
Pin Function
Description
1 24VDC
A2 0V