Flowserve Limitorque QX Maintenance And Spare Parts

71
Limitorque QX Electronic Actuator FCD LMENIM3314-01 – 06/18
flowserve.com
7.1.2 AC Low Voltage Module (Version 2).
Figure 7.2 is a diagram that shows wiring locations for a low voltage QX unit with version 2 motor controller board. Motor
controller board part number 68-825-0012.
Figure 7.2 - Low Voltage QX Unit Wiring Connections (Version 2)
7.1.3 DC Board Wiring (24 – 48 VDC)
Figure 7.3 shows wiring locations for the DC QX unit. All other wiring is the same as the low voltage wiring.
Figure 7.3 - DC QX Unit Wiring Connections
7.2 High Voltage Wiring (Cabling) Quick Reference Guide. (Greater than 250
VAC)
7.2.1 High Voltage Module
Figure 7.4 is a diagram that shows wiring connections for QX unit with a high voltage module with toroid transformer.
Control supply (power in) from L1, L2 and L3 from terminal block connector (J9) now connects to the toroid transformer
and the toroid transformer connects to the motor controller board (J2). All other wiring is the same as the low voltage
wiring.
TERMINAL BLOCK 3 PIN CONNECTOR (J9)
TO MOTOR CONTROL BOARD 3 PIN
CONNECTOR (J2)
MOTOR HARNESS 14 PIN CONNECTOR
TO MOTOR CONTROL BOARD
14 PIN HEADER (J2)
ENCODER RIBBON CABLE 10 PIN
CONNECTOR TO MOTOR CONTROL
BOARD 10 PIN HEADER (J9)
MAIN BOARD 20 PIN CONNECTOR (J4)
TO MOTOR CONTROL BOARD
20 PIN HEADER (J1)
(CONNECTED BY RIBBON CABLE)
OPTIONAL BOARD
HEADER CONNECTION (J7)
MAIN BOARD 10 PIN HEADER (J1)
TO MOTOR CONTROL BOARD
10 PIN HEADER (J4)
(CONNECTED BY RIBBON CABLE)
TERMINAL BLOCK 12 PIN CONNECTOR (J1)
TO MAIN BOARD BOARD 12 PIN HEADER (J5)
TERMINAL BLOCK 18 PIN CONNECTOR (J2)
TO MAIN BOARD BOARD 18 PIN HEADER (J5)
OPTIONAL 'UPS' BOARD
DIRECT CONNECTION
NO CABLE
2 PIN HEADER
NOT USED
MAIN BOARD LOW VOLTAGE MODULE ASSEMBLY
WITH MOTOR CONTROLLER BOARD 68-825-0012
TERMINAL BLOCK 3 PIN CONNECTOR (J9)
TO DC BOARD 3 PIN CONNECTOR
WIRING HARNESS (ITEM 8) 2 PIN CONNECTOR
TO DC BOARD 2 PIN CONNECTOR
WIRING HARNESS (ITEM 8) 3 PIN CONNECTOR
MOTOR CONTROL BOARD 3 PIN CONNECTOR
TERMINAL BLOCK 3 PIN CONNECTOR (J9)
TO MOTOR CONTROL BOARD 3 PIN
CONNECTOR (J2)
MOTOR HARNESS 14 PIN CONNECTOR
TO MOTOR CONTROL BOARD
14 PIN HEADER (J2)
ENCODER RIBBON CABLE 10 PIN
CONNECTOR TO MOTOR CONTROL
BOARD 10 PIN HEADER (J9)
MAIN BOARD 20 PIN CONNECTOR (J4)
TO MOTOR CONTROL BOARD
20 PIN HEADER (J1)
(CONNECTED BY RIBBON CABLE)
OPTIONAL BOARD
HEADER CONNECTION (J7)
MAIN BOARD 10 PIN HEADER (J1)
TO MOTOR CONTROL BOARD
10 PIN HEADER (J4)
(CONNECTED BY RIBBON CABLE)
TERMINAL BLOCK 12 PIN CONNECTOR (J1)
TO MAIN BOARD BOARD 12 PIN HEADER (J5)
TERMINAL BLOCK 18 PIN CONNECTOR (J2)
TO MAIN BOARD BOARD 18 PIN HEADER (J5)
OPTIONAL 'UPS' BOARD
DIRECT CONNECTION
NO CABLE
2 PIN HEADER
NOT USED
MAIN BOARD LOW VOLTAGE MODULE ASSEMBLY
WITH MOTOR CONTROLLER BOARD 68-825-0012
Terminal block 3 pin connector (J9)
to motor control board 3 pin
connector (J2)
Optional ‘ups’ board
direct connection
no cable
Motor harness 14 pin connector
To motor control board
14 Pin header (j2)
Main board 20 pin connector (j4)
To motor control board
20 Pin header (j1)
(onnected by ribbon cable)
Main board 10 pin header (j1)
To motor control board
10 Pin header (j4)
(Connected by ribbon cable)
Encoder ribbon cable 10 pin
Connector to motor control
Board 10 pin header (j9)
LOW VOLTAGE MODULE ASSEMBLY MAIN BOARD
WITH MOTOR CONTROLLER BOARD 68-825-0012
Optional board
header connection (J7)
Terminal block 18 pin connector (J2)
to main board board 18 pin header (J5)
Terminal block 12 pin connector (J1)
to main board board 12 pin header (J5)
2 pin header
not used
MAIN BOARD
Wiring harness (item 8) 3 pin connector
motor control board 3 pin connector
Wiring harness (item 8) 2 pin connector
to DC board 2 pin connector
Terminal block 3 pin connector (J9)
to DC board 3 pin connector

Flowserve Limitorque QX Specifications

General

Brand	Flowserve
Model	Limitorque QX
Category	Controller
Language	English