Festo — PDAD — 2022-02i
Installation
25
Requirements
Max voltage DC
28 V DC
Max. current rating
max. 3 A
Tab. 18: Requirements for the external power supply
Requirement for the connecting cable
Connection socket
–
Plug socket MSSD-E
–
Hirschmann GDS 207
Number of cores
2
Approved cable diameter
6 … 8 mm
Min. cable cross section
0.75 mm²
Max. conductor cross section
18 AWG
Tab. 19: Requirement for the connecting cable
ALARM connection
on the device
Pin
Function
Description
1
Switch pole 1
Switch pole 1 of the alarm relay
2
Switch pole 2
Switch pole 2 of the alarm relay
PE
n. c.
Not connected.
The device is double insulated and therefore
does not require earthing (protection class II).
Tab. 20: ALARM connection on the device
Connect alarm device with external power supply
1. Before starting work: switch off the power supply.
2. Insert a suitable cable through a rubber bushing in the backwall for the electronic controller.
3. Connect the switch poles of the alarm device to the external power supply at pin 1 and pin 2 of the
junction box.
4. Remove the covering of the connection marked "ALARM" and connect the wired line.
5. Fasten the covering. Make sure the seal and screw are seated correctly.
6.4
EM connection
The EM connection is reserved for later extensions. The installed junction box is bridged internally. Do
not remove the junction box.