Centrally Extensible Remote Units; View - ABB 07CR41 Operating Manual

3.4

Centrally extensible remote units

3.4.1 View (see Figure 3 on the next page)
3
Technical specifications
1 – Location for the DIN rail
2 – Plate fixture with unit earthing, alternative to 1
3 – Release lever for DIN rail mounting
4 – Location for external dual connector
5 – Cable connectors (plug-in), under cover flap:
- 24 V d.c. output power to supply inputs
(available only for the remote units with 120/230 V a.c. power)
- inputs
6 – Status LEDs for 8 inputs/6 outputs of the basic unit
7 – Connector for basic input/output extensions
8 – Location of cable connectors:
- basic unit mains supply
- outputs
9 – Location of rotary selectors for addressing (see enlargement) under cover flap
10 – Status displays:
- POWER: power on
- RUN: always on
- ERR: error(s) present
Magnification of item 9 without cover (see Figure 4
on the next page)
1 – Rotary selector switch for address decade selection
2 – Screwdriver for setting the address
3 – Rotary selector switch for address
3 – 10
Advant Controller AC 31 / Issued: 01.99