73
Limitorque QX Electronic Actuator FCD LMENIM3306-06 – 07/14
flowserve.com
Input 0 Input 1 Input 2 Input 3 Input 4 Input 5
+VDC -VDC +VDC -VDC +VDC -VDC +VDC -VDC +VDC -VDC +VDC -VDC
30 32 34 29 N/A N/A 26 28 N/A N/A N/A N/A
Custom Modes
Mode Input 0 Input 1 Input 2 Input 3 Input 4 Input 5
1 forced to user
input if signal
present
PS Enable 1 PS Enable 2 ESD Release 2 ESD Release 1 MO ESD/PSESD
2 stop close open ESD Release 2 ESD Release 1 MO ESD
3 ESD TDR configurable configurable stop open close
(MO - momentary signal)
Terminal connections
Input 0 Input 1 Input 2 Input 3 Input 4 Input 5
+VDC -VDC +VDC -VDC +VDC -VDC +VDC -VDC +VDC -VDC +VDC -VDC
30 32 or 33 34 29 or 31 35 29 or 31 26 28 25 28 27 28
Jumpers can be used to connect the digital commons as need. 28 to 29, 31 to 32, 33 to VDC source common.
4.21 Monitor Relay
The monitor relay indicates the actuator is available for remote operation. The monitor relay will de-energize on loss of
power or if any of the following functions become active:
• Lost Phase
• Valve Jammed
• Motor Overtemp
• Line Voltage Too Low
• Motor Fault
• Motor Controller Board Fault
• Oil Temperature Too High (Arctic Unit)
Normal operation
Each selection is User configurable. Select “Enabled” to turn the feature on, and “Disabled” to turn the feature off.
• “LOCAL STOP/OFF” – Red selector knob in “STOP/OFF”
• “LOCAL SELECTED” – Red selector knob in “LOCAL”
• “TORQUE TIMER” - if enabled
Fault indication
Each selection is User configurable. Select “Enabled” to turn the feature on, and “Disabled” to turn the feature off.
• “LOST PHASE” – Single phasing
• “VALVE JAMMED” – Valve cannot move when energized to pull out of valve seat
• “MOTOR OVERTEMP” – Thermistor range exceeded
The yellow LED will blink when monitor relay is de-energized.
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