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VPI Pressure Independent Control Valves & Actuators
31-00383-01
16
DIP Switch Settings
The valve functions are set on DIP switches found under the connection cover. PCB mounted electrical components
will not be directly exposed when DIP switches are to be set. The factory setting for all switches is OFF.
The DIP switches are available only in MLP71MAA, MLE71MAA, MLP75MAB, and MLE75MAB.
For Fail-safe actuators (MLE71MAA and MLE75MAB)
Switch
number
Switch Function
On
Off
Factory Settings
Switch #6
Electrical override ON
Electrical override OFF
Off
Switch #5
Failsafe open
Failsafe close
Normally Closed
Switch #4
Equal % control
Linear control
Linear control.
Switch #3
Normally open
Normally close
Normally closed;
0V DC = valve closed.
Switch #2
Analog 2-10V DC
Analog 0-10V DC
0-10V DC
Switch #1
Autocycle ON
Autocycle OFF
OFF
For non - Fail-safe actuators (MLE71MAA and MLE75MAB)
Switch
number
Switch Function
On
Off
Factory Settings
Switch #6
Electrical override ON
Electrical override OFF
Off
Switch #5
-
(No function)
Normally Closed
Switch #4
Equal % control
Linear control
Linear control.
Switch #3
Normally open
Normally close
Normally closed;
0V DC = valve closed.
Switch #2
Analog 2-10V DC
Analog 0-10V DC
0-10V DC
Switch #1
Autocycle ON
Autocycle OFF
OFF
LED Status
The LED indicator is visible through the dark colored transparent connection cover. The LED indication will give the
following statuses.
Switch number
Switch Function
MLP75MAB
MLE75MAB
MLP71MAA
MLE71MAA
Normal operation mode
Full on green
Full on green
Full on green
Full on green
Charging mode
n/a
Blinking red
(200 sec)
n/a
Blinking red
(60 sec)
Calibration mode
(closing point adjustment)
Blinking green
Blinking green
Blinking green
Blinking green
Electrical override mode
n/a
Blinking red/green
Blinking red/green
Blinking red/green
Failsafe mode
n/a
OFF
n/a
OFF
Normal operation mode
Full on green
Full on green
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