Sika RCM 880 Betriebsanleitung Seite 32

Installing and Connecting the RCM 880 / 890
4.4.1 Direct Connection Without Integrated Galvanic Isolation Module
IMPORTANT
Carefully open the spring clamp terminals using a flat-blade screwdriver
•
(max. blade width 3.5 mm).
Insert only one wire per terminal.
•
Connect the supply voltage
 Identify the VCC (+) and GND (–) terminals using the con-
nection diagram.
 Carefully open the spring clamp terminals using a flat-
blade screwdriver (max. 3.5 mm).
 Insert a wire and release the push button to secure it.
 Optional: Secure the wires with a cable tie.
Connect the analogue output
 Connect the analogue output as follows:
Terminal
CH A
CH B
CH C
CH D
COM Common GND for the analogue outputs
 Open the spring clamp terminals carefully
using a flat-blade screwdriver
(max 3.5 mm).
 Insert a wire and release the push button to lock it in place.
 Optional: Secure the wires with a cable tie.
- 32 -
Description
Humidity
Temperature
Air pressure
Do not connect
Connection diagram
© SIKA • Ba_RCM880_890 • 04/2025
RCM 880 / 890