Flowserve MX Electronic Actuator - Manual (Page 53)

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Limitorque MX Electronic Actuator FCD LMENIM2306-06 – 10/13
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4.10.1 Status
Default = ON
FF Status enables user to change from the default condition to turn on and off the digital control capability of the
actuator.
4.10.2 Terminate Bus
Should a user select to make this unique actuator the termination point for the network, select “YES.” If not, then “NO.”
Default is “NO.”
4.10.3 Analog Scale
Default = 0-100
Analog scale allows the user to change the scaling of the analog input from the default.
To Change from the Default Range:
Select “NO” until the required scale is displayed. 0-255 and 0-4095 counts are available.
4.10.4 ESD Action
A network ESD function can be enabled after the ESD configuration has been established for the unit. This network ESD
can be selected to either ignore the command; Close, Open, Stop, or Position the actuator.
4.10.5 OPEN/CLOSE Mode
Default = YES
To select operation as typically ”OPEN” or “CLOSE,” select “YES.” To select operation as position mode, select “NO.”
4.10.6 Proportional Band
Proportional band is the range of errors between position and demand signal that will product reduced speed (pulsing).
Default = 15%
To change from default, select “NO” until the required value is displayed. The value is adjustable between 1% and
100%, in 1% increments.
4.10.7 Deadband
Default = 2%
The deadband should be wide enough to prevent “hunting” of the actuator but as low as possible to give adequate
response to changes in the error signal.
To change from default, select “NO” to adjust the value between 1% and 50%, in 1% increments to suit the application.