Installing and connecting the device
3.3 Connecting the IOT2000 Extension Modules
IOT2000 Extension Modules
20 Operating Instructions, 2018/05, A5E39456816-AB
Connecting the power supply for digital output
Note
The device should only be connected to a 9...36 V DC power supply which meets the
requirements of safe extra low volta
ge (SELV) according to IEC/EN/DIN EN/UL 60950-1.
The power supply must meet the requirement NEC Class 2 or LPS according to IEC/EN/DIN
EN/UL 60950
-1.
Note
The power supply must be adapted to the input data of the device, see chapter "
IOT2000
(Page 27)". If there are voltage peaks on power supply lines, use a
protective device in the form of a varistor (MOV) UMOV = U
-rated x 1.2 (BLITZDUCTOR
BVT AVD 24 (918 422) or compatible).
● A two-core cable with a cable cross-section of 0.75 mm
2
to 2.5 mm
2
.
● A slotted screwdriver with a 3mm blade.
Switch off the power supply.
Connect the lines to the connecting
terminal as shown.
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