MKS 146C - How To Zero a Sensor;MFC

Chapter Three: Overview Effects of Channel Chan
g
es
85
When a Channel’s Condition Changes to Measuring/Initializing From . .
Source channel goes
to Measuring or
Initializing from:
PCS Output
currently in
Auto
Mode
Analog
Output
(see note #1)
Relay
Operation
Auto Power
Reference
Channel
Dual
Channel
Operation
Manual off Normal
operation
Normal
operation
Normal
operation
Re-enabled if it was
enabled before
being turned off,
and the source
channel remains
Manually Off.
Normal
operation
Auto off Normal
operation
Normal
operation
Normal
operation
Re-enabled if it was
enabled before
being turned off,
and the source
channel remains
Manually Off.
Normal
operation
Disconnected Normal
operation
Normal
operation
Normal
operation
Re-enabled if it was
enabled before
bein
g
disconnected,
and the source
channel remains
Manually Off.
Normal
operation
Underranged Normal
operation
Normal
operation
Normal
operation
Normal operation,
use default
underrange
pressure.
Normal
operation
Overranged Normal
operation
Normal
operation
Normal
operation
Normal operation,
use default
overrange pressure.
Normal
operation
Zeroing Normal
operation
Normal
operation
Normal
operation
Normal operation Normal
operation
Table 35: When a Channel’s Condition Changes To Measuring/Initializing From ...
Notes
Note 1: The information in this column applies to all analog outputs
except for set points
. Set
point type analog outputs continue to output the specified set point voltage regardless of
the source channel’s condition.
Note 2: The stated result will not occur if the relay is currently tripped or latched. If the latched
condition is removed, the relay will respond as stated. Additionally, if the alarm is on, it
will turn off.
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