Installation; Mounting And Dismounting; Commissioning; Connections - Stahl 9170/21-30-10 Betriebsanleitung

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6.2

Installation

The switching repeater is to be installed outside of hazardous areas.
The switching repeater has to be installed in Zone 2, Zone 22 or outside hazardous areas.
In the case of operation in Zone 2 or Zone 22, the isolating power supply must be fitted in
an enclosure, which complies with the requirements of IEC/EN 60079-0
6.3

Mounting and dismounting

a) Detachable terminals
All devices are provided with detachable terminals. A screwdriver is needed
to remove the terminals (as shown in the picture).
b) Mounting on DIN rails
Set the device on the DIN rail and tilt/snap onto the rail as depicted.
Do not tilt at an angle to either side when snapping onto the rail.
To dismount, use a screwdriver to gently pry up the lock on the mounting
foot and then remove the module.
c) Mounting on DIN rails fitted with a pac-Bus
As depicted in the photo, set the device in position on the pac-Bus (already
mounted on the DIN rail) and tilt/snap until it locks in.
Do not tilt at an angle to either side when snapping onto the pac-Bus.
Note: In order to prevent pole reversal during installation, the pac-Bus
elements have been equipped with a keyed connection plug (see photo).
The module is fitted with a matching slot.
Dismount as described below in b).
7

Commissioning

7.1

Connections

Leakage Monitor - Switching Repeater Type 9170/21-30-10
Operating Instructions
13