Configuration Information
3500/42 Operation and Maintenance
14
Notes:
The alarming hysteresis for all channel configurations for a 42 Monitor is 1/64
of Full Scale. When a channel exceeds an alarm setpoint, it must fall back
below the setpoint less the hysteresis before it can go out of alarm. For
example, consider a channel configuration with a 0–10 mils full scale and an
alarm setpoint at 6 mils as illustrated below:
The hysteresis = 10 mils/64 = 0.16 mils. The channel input must fall below 6
mils - 0.16 mils (5.84 mils) before the channel is out of alarm.
3.1.2
Radial Vibration Channel Options
This section discusses the Configuration Considerations and the Rack
Configuration Software screens associated with the Radial Vibration Channel.
3.1.2.1
Radial Vibration Channel Configuration Considerations
Consider the following items before configuring a Radial Vibration Channel:
- Internal Barrier I/O Modules and External barriers are not currently supported
with 7200 11 mm or 14 mm, or 3000 Proximitors, or the 3300 16 mm HTPS.
- When "No Keyphasor" is selected, the 1X Amplitude (Ampl) and Phase Lag, 2X
Amplitude (Ampl) and Phase Lag, Not 1X Amplitude (Ampl), and S
max
Amplitude (Ampl) can not be selected.
- If a Keyphasor channel is selected, a Keyphasor Module must be installed in
the rack.
- The full scale options allowed for each proportional value is dependent upon
the transducer type.
- If a Non-Standard transducer is selected, the setpoint OK limits are set to ±1
volt from the Upper and Lower OK limits that are selected.
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