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Operation
D397-50-880 Issue C
Associated Parameter options
4.8.9
Software module 905 - Turbo Pump Speed
This module can be used with any Turbo pump that is compatible with a TIC unit.
General Description
Monitors speeds and sets failures times.
Output bytes (from Master)
None.
Input bytes (to Master)
Associated Parameter options
Note:
A DX pump does not use these options, it uses 853 instead; leave at default values for DX.
Bytes
Parameter Option
Description of Parameter
1st
Module number
Cannot be changed.
2nd
3rd
Control gauge
Allows the turbo pump operation to be controlled by one of
the gauges if desired. Options include none, but if this option
is selected it is recommended that the enable option is set to
disabled.
4th
5th
Gauge units
Setpoint units. Options are Pascals or volts.
6th
Turbo setpoint ON
These are four byte numbers in IEEE-754 format. A conversion
utility must be used. See note in
.
7th
8th
9th
10th
Turb setpoint OFF
These are four byte numbers in IEEE-754 format. A conversion
utility must be used. See note in
.
11th
12th
13th
14th
Control enable
Enables or disables control at the chosen setpoint by the
chosen gauge.
15th
Start delay
In minutes from zero to 99.
1st
This is a signed word. The pump speed in 200th's of percent.
2nd
3rd
Alert - refer to table in Appendix A2.
4th
Priority - refer to table in Appendix A3.
Bytes
Parameter Option
Description of Parameter
1st
Module number
Cannot be changed.
2nd
3rd
Start/fail time in minutes
(1-30).
This is the time allowed from start to reach 50% speed. If the
speed is not reached in this time a failure condition is
entered.
4th
Droop fail time in minutes
(0-30).
This is the time allowed for the speed to drop below 50%. If
the speed is below 50% for longer than this time a failure
condition is entered.
Содержание D397-50-000
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