ABB UMC22-FBP - 7.2 Overload Relay

- 81 - UMC22-FBP FieldBusPlug / Issue: 02.2008
V 6
Universal Motor Controller UMC22-FBP
Software version 4.0
UMC22
0
V
10
24
V
11
24
V
12
DI
0
13
DI
1
14
DI
2
15
DI
3
16
DI
4
17
DI
5
18
5
DO
C
T1 T2 7
DO
0
6
DO
C
8
DO
1
9
DO
2
0 V 24 V DI0 DI1 DI2 DI3 DI4 DI5 24 V 24 V
N trip DO2 230 V 690 / 400 V
K1
K1
ON
OFF
T1 T2
Control Panel
external
supply
supply
inputs
2CDC 342 017 F0207
7.2 Overload relay
The UMC22 parametrized with the Control function = Overload relay provides excellent protection of
a motor. Dedicated to replace a standard overload relay, stand-alone operation can be selected via
Control Panel setting the parameter Bus connection = Off.
7.2.1 Circuit diagram
7.2.1.1 Basis circuit
Main features
Parameters to be changed (4.3.4)
(based on default)
 Motor contactor at output DO0 Control function = Overload relay
Set current 1
Overload protection parameters
Bus connection = Off
(Off if used without fi eld-
bus, to be selected by Control Panel: bu.co)

Address (only when used with fi ledbus) via
Control Panel or Addressing Set

Illustration 7-3: UMC22-FBP: Control function = Overload relay (Basis circuit)
Chapter 7.2.1~1 Overload relay