Bently 3500/33-01-00 (front panel 149986-01, back panel 149992-01) relay module

Description

149992-01 If 1X Phase Lag or 2X Phase Lag are selected then the two options

available are with and without Hysteresis. 149992-01 If the channel is Bypassed, the

output will be clamped to the selected clamp value or to 2 mA (if the 2 mA

149992-01 The Hysteresis option helps prevent the Recorder Output from jumping

from Full to Bottom Scale when the phase measurement is near 0 or 359

degrees. When the Hysteresis option is checked, the recorder signal

operates as follows:

– The recorder output is scaled such that 4 mA corresponds to 0 degrees

and 20 mA corresponds 149992-01 to 380 degrees (360 plus 20 degrees).

– The transition of a phase measurement that is increasing does not occur

until the measurement has gone 20 degrees past 360 degrees. At this

point, the recorder signal switches from 20 mA to a signal that

corresponds to 20 degrees or 4.842 mA.

– The transition of a phase measurement that is decreasing occurs at 0

degrees (4 mA). At this point, the recorder signal switches from 4 mA to

a signal that corresponds to 360 degrees or 19.158 mA.

Delay

149992-01 The time which a proportional value must remain at or above an over alarm level

or below an under alarm level before an alarm is declared as active.

Alert

First level alarm that occurs when the transducer signal level exceeds the

selected Alert/Alarm 1 setpoint. This setpoint can be set on the Setpoint

screen. The Alert time delay is always set at one second intervals (from 1

to 60) for all available proportional values.

Danger

Second level alarm that occurs when the transducer signal level exceeds

the selected Danger/Alarm 2 setpoint. This setpoint can be set on the

Setpoint screen.

100 ms option

The 100 ms (typical) option applies to the Danger time delay only and

has the following results:

If the 100 ms option is off ( ):

– The Danger time delay can be set at one second intervals (from 1

to 60).

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