janitza UMG511 Installation And Commissioning Manual page 41

S0 impulse input
You can connect a S0 pulse generator accord-
ing to DIN EN62053-31 on each digital input.
You require an external auxiliary voltage with
an output voltage in the range of 20 .. 28V DC
and a resistance of 1.5kOhm.
Installation
UMG511
Digital inputs 1-4
Digital inputs 1-4
Fig. example for the connection of a S0 pulse
generator to digital output 1.
External
Auxiliary voltage
3.9V
4k
10
Digital
Input 1
genera-
3.9V
4k
9
Digital
Input 2
1.5k
3.9V
4k
8
Digital
Input 3
3.9V
4k
7
Digital
Input 4
6
24V
DC
+ -
S0
Pulse
tor
41