Flowserve Limitorque QX User Manual

Limitorque QX Electronic Actuator FCD LMENIM3306-06 – 07/14
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• Three-wire Maintain Control (default except Modutronic)
Requires two maintained contacts for self-maintained control in OPEN or CLOSE direction.
• Three-wire Inching Control
Requires two momentary contacts to OPEN or CLOSE the valve, or STOP it in mid-travel.
• Two-wire Control
Requires one NO or NC contact. Select “YES” for either. Valve OPENS if signal “ON.”
or Valve OPENS if signal “OFF.”
• Four-wire Control
4.20.2 Status
Default Setting is: OFF
Select “NO” to choose whether the inhibit is “ON” or “OFF.”
Figure 4.30 – Inputs
OFF-OK?
OFF-OK?
(ON)?
OPEN INHIBIT
CLOSE INHIBIT
BOTH INHIBIT
USER INPUT
See Note 4
(ABSENT)-OK?
CLOSE
OPEN
STOP
POSITION
See Note 5
See Note 6
See Note 3
See Note 1
MODE 3-WIRE INCH
MODE 2-WIRE
MODE USER INPUT
MODE 4-WIRE
See Note 2
See Note 2
See Note 7
MODE 3-WIRE INCH
MODE 2-WIRE
MODE USER INPUT
MODE 4-WIRE
CHANGE
INPUTS
STANDARD
REMOTE CONTROL
NEGATIVE
SWITCHING
MODE 3-WIRE
MAINT-OK
MODE 3-WIRE
MAINT-OK?
CHANGE
INPUT(0)?
STATUS
(OFF)?
STATUS
FUNCTION ESD?
SIGNAL
(PRESENT)-OK?
SAVE
SETTINGS?
ESD ACTION
(IGNORE)-OK?
ESD MOVE TO
0% OPEN
OPEN IF SIGNAL
ON-OK?
CUSTOM
CONTROL
CUSTOM MODE
1-0K?
OPEN IF SIGNAL
ON-OK?
CHANGE
INPUT (5)?
NOTE 1: The custom mode will only appear if the if the custom mode option
has been enabled.
NOTE 2: The "open if signal" menu will only appear, if 2-wire option is chosen.
Two wire control is not permitted if the user has modutronic or network control
(DDC, FF, PB PA, PB DP, or Device Net).
NOTE 3: The number of inputs displayed for configuration will depend upon the
mode selected (standard, negative switching, or custom).
NOTE 4: The status functions displayed wiill depend upon the mode selected
(standard, negative switching, or custom).
Note 5: The ESD action menu will only appear if ESD was chosen as the status
function.
Note 6: The ESD move to percent menu will only appear if position was
selected as the ESD action.
Note 7: The user must select yes for the Save Settings menu, or the changes
made in these menus will not be saved.
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
4.20.3 Custom Input Mode #1 – Momentary ESD/PSESD (Optional)
Custom software is available for the QX that permits the User to establish certain performance characteristics for partial
stroke (PS) testing and momentary contact closure ESD.
NOTE: These three inputs are normally configurable. However, when this custom mode is enabled, they are set to the
predefined configuration and cannot be changed by the customer.
Input 0 (normal default – ESD) terminal 30:
• Set as disabled, user input function, signal present
Input 1 (normal default – Open Inhibit) terminal 34:

Flowserve Limitorque QX Specifications

General

Brand	Flowserve
Model	Limitorque QX
Category	Controller
Language	English