D048-50-880 Issue E
Page 4 © Edwards Limited 2013. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
TECHNICAL DATA
2.3.3 Gauge and Degas Enable
2.3.4 Set-point
2.3.5 Gauge Identification
2.3.6 Electrodes
Control sense Active low
Active level < 1.5 V
Trip level 0.6 V to 8.8 V
Hysteresis 500 mV
Set-point output load rating 30 V d.c., 100 mA max
Back EMF suppression diode *
Min surge rating 1 A
Min reverse voltage rating 100 V
* required when you use an external d.c. relay connected to the set-point output
Identification resistance 162 k
?
Emission current
Normal 0.1 or 1 mA
Degas 10 mA
Grid voltage
Normal 180 V
Degas 500 V
Filament bias voltage + 30 V
Collector voltage 0 V
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