ECOLAB EcoAdd Betriebsanleitung Seite 257

[Control] Control inputs
For the software configuration, see:
Ä Chapter 8.7.1 ' [Operating mode] [Manual]' on page 67
Standard signal input settings -
[Operating mode] [Current]
18 = Standard signal mA (-)
n
19 = Standard signal mA (+)
n
Terminal assignment when using a water meter
To ensure error-free operation, we recommend that you use a water meter
from the Ecolab portfolio.
Pulse input [Operating mode]
[Pulse input] Zero-potential
contact
21 = GND
n
22 = Pulse
n
Control input / batch
Batch input [Configuration] [Batch]
21 = GND
n
24 = Batch {}
n
53
Assembly and connection
Release input [Operating
mode] / [Manual] / All operating
modes
20 = Enable signal ü
n
21 = GND
n
Pulse input [Operating mode]
[Pulse input] Electronic switch
(NPN)
21 = GND
n
22 = Pulse
n
23 = 5 V
n
MAN046939 Rev. 6-10.2021