3300/25 Dual Accelerometer Input Monitor Operation Manual
26
11. Channel Bypass
You can use Channel Bypass to take a Not OK or unconnected channel off line. This will
restore the OK Relay to the OK state. The OK Relay will de-energize (go Not OK) if any
channel in the rack is in a Not OK condition.
1.
Open the front panel by loosening the two monitor retaining screws and sliding
the front panel to the right.
2. Set
BA
(
B
ypass Channel
A
) or
BB
(
B
ypass Channel
B
) switch to the left (ON). The
corresponding
BYPASS
LED comes on, the
OK
LED goes off, and the channel reading
is clamped to zero.
3.
Close the front panel.
NOTE
When Channel Bypass is switched on, channel alarms are cleared.
Caution
Machine protection provided by
this monitor will be lost while
Channel Bypass is on.
