ABB UMC100-FBP - Page 83

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Universal Motor Controller
UMC100-FBP
Technical Description
FieldBusPlug / Issue: 03.2012
Dahlander Motor
L1, L2, L3
M
3
Contactor
Supply
(e.g. 230VAC)
K81
DOC DO0 DO1 DO2
24VDC
10 11
5 7 8 9
24VDC
DO3
12
13 14 15 16 17 18
DI0 DI1 DI2 DI3 DI4 DI5
UMC100
UMC-
PAN
Fieldbus
Plug
0V
I
Lim
Speed1
Stop
GND
(24VDC)
K91b
k91k81
K81=speed one
K91=speed two
U1
V1
w1
U2
V2
w2
Speed2
k81
k91b
K91a
k91a
Circuit diagram of the UMC for controlling dahlander motors. The checkback contacts k81/k91 are
optional.
Timing Diagram for Pole-Changing Starter
OFF
RUN FAST FORWARD
RUN FORWARD
RUN FAST FORWARD
RUN FORWARD
~ 20 ms
2CDC 342 026 F0209
Check-back
Command
received
telegram)
UMC
outputs
Monitoring signals
(telegram)
DO1 (contactor
K2a, K2b)
Motor current /
aux. contact
Run K1
UMC internal
Pause time
Run K2
DO0 (contactor K1)