MKS 937B Operation Manual
85
Query the gauge combination
@254SPC1?;FF and @254SPC2?;FF .
Enable/disable the combined analog output
@254EPC1!Enable;FF and @254EPC1!Disable;FF .
8.4.3 Logarithmic/Linear analog output when the gauge power is turned
off
There are time when the power to a pressure gauge (especially an ion gauge) will be turned off
during the operation. The following table shows the expected logarithmic/linear analog output when
the gauge power is turned off or the combined analog output is disabled.
Gauge type Condition Logarithmic/Linear analog output
CM No CM is connected 0 V
PR & CP only Power off, broken filament 10 V
CC & HC only Power off, broken filament 10 V
Combined No gauge is assigned 10 V
Table 8-10. The expected logarithmic/linear analog output values when the sensors are
unpowered.
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