SPX FLOW APV CU4 plus Instruction Manual page 60

Internal 12
Internal 13
Internal Linear
sensor
Internal Y1
Internal Y2
Internal Y3
External Service port
Control unit type CU4*plus 24V IO-Link
Internal / Terminal
External
External 1
External 2
Internal 3
Internal 4...10
Internal 11
Internal 12
Internal 13
Issued date: 2023-10-27
No.：2023312304001783
S Signal SPX prox. sensor
0V Potential for SPX prox. sensor / linear
sensor
-- --
PWM Output Solenoid valve 1 (main valve)
PWM Output Solenoid valve 2 (upper seat lift)
PWM Output Solenoid valve 3 (lower seat lift)
-- Connection serial/USB converter for
CU4plus toolbox software
Designation Functional description
Power+ Operating voltage + (18 V...30 V d.c.)
Power- Operating voltage – or Ground
C /Q IO-Link Signal
-- Not in use
5 VDC Voltage supply for valve sensor or
extension module
Sensor 2 Sensor 2 connection or extension module
GND Mass potential for sensor supply or
extension module
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