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User manual - ATR121/141 -
9
6
Electrical wirings
Although this controller has been designed to
resist electromagnetic interferences in industrial
environments, please observe following safety
guidelines:
• Separate control line from power wires.
• Avoid proximity of remote control switches, electromagne-
tic contactors, powerful engines and in all instances use
specific filters.
• Avoid proximity of power groups, especially those with
phase control
6.1 Wiring diagram
Models: ATR121-AD / ADT and ATR141-AD / ADT
1
2
12..35 VDC
+
-
12..24 VAC
ATR121/141 - AD: Class 2 source
12..24Vac ±10% 50Hz/60Hz
12..35Vdc (comply with polarity)
NB: version “T” with RS485 only 12..35Vdc
Use copper conductors only
Models: ATR121 - A - B - c and ATR141 - A - B - c
1
2
Vac supply
ATR121/141 - A: 24Vac ±10% 50/60Hz Class
2 source
ATR121/141 - B: 230Vac ±10% 50/60Hz
ATR121/141 - C: 115Vac ±10% 50/60Hz
Use copper conductors only
Summary of Contents for ATR 121
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