Flowserve Limitorque QX User Manual

Limitorque QX Electronic Actuator FCD LMENIM3306-06 – 07/14
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removed, then the timer is canceled and will start fresh with the next assertion. You cannot change that Input 0 is ESD,
but it can be enabled/disabled, set to signal present/absent, or you can change the ESD action.
NOTE: These three inputs are kept as open-stop-close inputs. When the custom mode is enabled, the wire mode is
preset to 4-wire control and cannot be altered.
Input 3 (normal default – Stop) terminal 26
Input 4 (normal default – Open) terminal 25
Input 5 (normal default – Close) terminal 27
• Set as enabled, User Input, Signal present = active
4.20.6 Custom Input Mode #4 - Multi-Position Mode (optional)
Custom software is available for the MX that permits the User to establish certain performance characteristics for Multi
Position controls for remote and local operations.
Input 0 (normal default - ESD) terminal 30:
• Set as enabled Ml Move To, signal present = active
Input 1 (normal default - Open Inhibit) terminal 34:
• Set as disabled, User Input, signal present = active
Input 2 (normal default - Close inhibit) terminal 35:
• Set as disabled, User Input, signal present = active
The custom input Multi Position Mode allows the user to configure up to 2 mid travel stop positions. The user will be
able to send the actuator to either of these positions in either remote or local controls. In order to use local controls in
multi-mode, that option will need to be selected in the CHANGE LOCAL Control menu. The user can select any of the
standard wire controls for inputs 3, 4, and 5 (4-wire, 3- wire Maintain, or 3-wire Inching).
Table 4.1 – Digital Input Terminals
Standard Control
Mode Input 0 Input 1 Input 2 Input 3 Input 4 Input 5
2-wire configurable configurable configurable not used open not used
3-wire inch configurable configurable configurable not used open close
3-wire maint configurable configurable configurable not used open close
4-wire configurable configurable configurable stop open close
User Input configurable configurable configurable user input user input user input
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.
Negative Switching (Positive Earth)
Mode Input 0 Input 1 Input 2 Input 3 Input 4 Input 5
2-wire configurable open not used configurable not used not used
3-wire inch close open not used configurable not used not used
3-wire maint close open not used configurable not used not used
4-wire close open not used stop not used not used
User Input configurable configurable not used configurable not used not used
Terminal connections

Flowserve Limitorque QX Specifications

General

Brand	Flowserve
Model	Limitorque QX
Category	Controller
Language	English