SPX FLOW APV CU4 plus Instruction Manual page 59

Internal Y3
Internal P
External Service port
Control unit type CU4* plus 24V Direct Connect
Internal / Terminal
External
External 1
External 2
Internal 3
Internal 4
Internal 5
Internal 6
Internal 7
Internal 8
Internal 9
Internal 10
Internal 11
Issued date: 2023-10-27
No.：2023312304001783
-- Solenoid valve 3 (lower seat lift)
-- Optional connection - pressure sensor
-- Connection serial/USB converter for CU4plus
toolbox software
Designation Functional description
Power+ Power supply 24V d.c. ± 20%
Power- Power supply 24V d.c. (GND)
O0 Digital Output PLC input valve status / closed
O1 Digital Output PLC input valve status / open
O2 Digital Output PLC input valve status / upper seat lift
O3 Digital Output PLC input valve status / lower seat lift
SV Digital Output PLC input service request
PLC output to activate solenoid 1 / main
I0 Digital Input
valve
I1 Digital Input PLC output to activate solenoid 2 / upper
seat lift
I2 Digital Input PLC output to activate solenoid I2 / lower
seat lift
+5VDC Supply voltage for SPX prox. sensor /
linear sensor
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