Page 80 - Motor protection and control Manual motor starters, contactors and overload relays

3/6 ABB MOTOR PROTECTION AND CONTROL

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Select your AF coil interface for PLC

For contactors up to 2850 A AC-1 / General use

Coil interfaces are offered to operate all contactor size up to AF2850 with very low
03
PLC ouput signals. They allow a galvanic isolation between the PLC circuit and the
contactor coil circuit.

RA4

AF09 AF96 AF116 AF2850

Interface relay Built-in PLC interface
For control with 24 V DC ≥ 20 mA PLC output. RA4 interface For control with 24 V DC ≥ 10 mA PLC output. The built-in
relay can be used for rated control circuit voltages PLC interface operates the 100 ... 250 V AC / DC or
Uc 24 ... 250 V 50/60Hz with the standard AF contactors up 250 ... 500 V AC / DC AF contactor coil. Available for
to 45 kW - 400 V / 60hp - 480 V and with NF contactor relays. AF contactors from 55 kW - 400 V / 75 hp up to 560 kW -
400 V /900 hp 480 V and up to 2850 A AC-1 / General use.
Dedicated coil code from AF116 up to AF370 and standard
feature from AF400 up to AF2850.

Control circuit with interface relay Control inputs with PLC plug

PLC
Output
- +
Uc 24 V DC
A0 ≤250 V AC A2
E2- E1+
RA4

1SBC100202S0201 - Rev. A
A1
KM1
A2