Download PGC2/D - Arun Microelectronics Limited

B.4 Pirani connectors
Two of these are supplied with the instrument in the accessory pack. They are 3 way DIN
audio free plugs with screen. Types with or without latches may be used.
Pin connections are:
1
2
3
4
5
Bridge supply 0v red
Signal voltage green
Bridge supply 2.06v yellow
Sense 0v
Sense 2.06v
The colours refer to those of the conductors in VG PVG1 leads. The blue wire is not used
and the end should be cut back and insulated. The pin numbering is consistent with that of
the connector types formerly used.
B.5 Remote connector.
This is a 9-way "D" type female connector. Used pin connections and signal names are:
2
3
5
Transmitted data
Received data
Signal ground
B.6 Auxiliary connector.
External connections should be made to a free 8 pin DIN audio connector with screen, as
supplied in the accessory kit. Types with or without latches may be used.
Connections for the recorder output are:
1
Signal voltage
6
Signal return (earth)
Connections to the capacitance manometer are:
2
+15 volt supply
3
Signal voltage (i.e. manometer output)
4
Signal return and supply 0 volts
5
-15 volt supply
Connections to the remote inhibit lines are:
7
Not Inhibit
8
Signal return (logic ground)
21