HE 5731 Operating instructions
26
# 373344, Version 1.5
Electrical Commissioning
6.3. Valve connections
Valve connections (1
– 16)
HE 5731 control unit (100
…240 V AC) valve connections
Max. 16 valves can be connected to the solenoid valve control. The connections of a
valve are arranged vertically. One terminal is available for the PE connection of a valve.
The valve outputs are set up for 24 VDC and 1A. The minimum recovery time (pause)
must be
> or = ten times the pulse time when using software version up to 2.04,
> or = the pulse time when using software version 2.10 or higher.
The control extends the effective pause time automatically to the above ratio.
The software version can be determined by a serial number query
https://www.hesch.de/index.php?id=133&L=1
Note!
All valve outputs of a system refer to the same ground (-). It is permitted
to use one ground wire for multiple valves.
