ABB ACS 600 MultiDrive - Drive Control Unit NDCU-51

Chapter 3 – Electrical Installation
3-32 ACA 6xx Sections and ACS/ACC 6x7 (132 to 3000 kW) Frequency Converters
Drive Control Unit
NDCU-51
The Drive Control Unit NDCU-51 containing an NAMC-51 board and
an NIOC-01 board is shown below. NMBO-01 is an optional Memory
Backup board.
NIOC-01
91
72
NAMC-51
NDCO-0x
9
9
NMBO-01
NDCU-51 DRIVE CONTROL UNIT
NIOC-01 NAMC-51
NDCO-01
NDCO-02
NDCO-03
NMBO-01
CH3
V20
V19
CH2
V18
V17
CH1
V16
V15
CH0
V14
V13
V12
V11
X19
X14
DDCS
(PC)
DDCS
(MASTER-
FOLLOWER)
DDCS
(I/O)
DDCSe
(APPLICATION
CONTROLLER)
PPCS
(INVERTER)
BRC
(BRAKING
CHOPPER)
RS-485
(CONTROL
PANEL)
X21
X22
X28
X29
V25
V26
X24
X23
X25
X26
X27
RS-485
(MODBUS)
RS-485
(MODBUS)
DDCS
(NAMC:I/O)
1
2
3
4
24 V
GND
24 V
GND
1
2
3
R01 NC
R01 C
R01 NO
1
2
24 V
GND
1
2
3
R02 NC
R02 C
R02 NO
1
2
3
R03 NC
R03 C
R03 NO
1
2
3
4
24 V
GND
24 V
GND
24 V
IN
24 V
IN
24 V
OUT
200 mA
RELAY
OUTPUT
1
RELAY
OUTPUT
2
RELAY
OUTPUT
3
1
2
3
4
DI1
DI2
DI3
DI4
5
6
7
8
DI5
DI6
24 DV
24 DV
9DGND
1
2
3
4
V REF
GND
AI1+
AI1-
5
6
7
8
AI2+
AI2-
AI3+
AI3-
9AO1+
10
11
AO1-
AO2+
12 AO2-
DIGITAL
INPUTS
ANALOG
INPUTS
&
OUTPUTS
V10
6431 3835
RS-485
TERM.
OFF
ON
SW1
. . .
265
NAMC
NIOC
CPD 312
Control Panel,
(with System
NLMD-01
Monitoring
Application
Program)
PDM code 00057607-A
Display
refer to CDP 312
and NLMD-01
(ACS 600 MultiDrive)