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Universal Motor Controller UMC22-FBP
Software version 4.0
V 6
Chapter 7.2.1~1 Overload relay
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
Motor contactor at output DO0
Control Panel
Illustration 7-3: UMC22-FBP: Control function = Overload relay (Basis circuit)
FieldBusPlug / Issue: 02.2008
T1
T2
T1
T2
0
24
24
DI
V
V
V
0
10
11
12
13
0 V
24 V
24 V
24 V
DI0
external
supply
supply
inputs
Parameters to be changed (4.3.4)
(based on default)
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
230 V
N
ON
OFF
5
6
7
DO
DO
DO
C
C
0
UMC22
DI
DI
DI
1
2
3
14
15
16
DI1
DI2
DI3
- 81 -
trip
DO2
690 / 400 V
K1
8
9
DO
DO
1
2
DI
DI
4
5
17
18
DI4
DI5
K1
UMC22-FBP
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