Unit setup/connection
LVU-CD-40
en(us)
Page 30 / 68
BeWa LVU-CD-40 4035823a en-us 2016-01-08.doc
2016-01-08
Pin
Function
Description
1-2
Output
Device
ACTIVE
Potential-free relay contact. This is closed
when the motor pump group is running.
3-4
Output
Device
OK
Potential-free relay contact. This is closed
when there is no pending error.
Can be used, for example, to issue an error
notification when contact opens.
Opens, for example when the voltage drops,
motor protection responded, filter clogged,
collecting pan too full, etc.
5-6
Output
Reserve
Potential-free relay contact.
Has no function
7-8
Input
Input for potential-free push-button to switch
motor-pump group on/off. No voltage is to
be applied here.
9 - 10 Input
Reserve
A voltage of 24V is to be applied here (opto-
coupler input) to start a function. No
function set yet.