Connection Diagram (Two-Channel Connection) - ABB ACS880 Application Manual

20 Implementing a motor thermal protection circuit

Connection diagram (two-channel connection)


The diagram below shows the wiring of the two-channel connection. The system integrator
must acquire the components and do the installations drawn outside the drive border line.
ACS880
1 2 3 4
X111 X112
X113
1 2 3 4 ...10
X114
1 2 3 4 ...10
Control
circuit
3
1)
An ATEX-compliant protection relay. The relay monitors a sensor circuit, and de-energizes the FSO module
input by opening the control circuits when necessary.
When you install the equipment, make sure that you maintain separation of the switching (safety) signal with
any other signals.
1 2
FSO
XSTO
1
2
3
4
Protection relay
24 V / 1 A
3
24 - 240 V AC / DC
1)
Sensor
3 ~
Ex
motor
Potentially explosive
atmosphere