Drive Control Unit Ndcu-2X - ABB ACA 6 Series Hardware Manual

Drive Control Unit
NDCU-2x
9
NDCU-21
1 V REF
GND
2
3 AI1+
4 AI1-
5 AI2+
AI2-
6
X21
7 AI3+
AI3-
8
9 AO1+
10 AO1-
11 AO2+
AO2-
12
1 DI1
DI2
2
3 DI3
4 DI4
5 DI5
X22
DI6
6
7 24 DV
24 DV
8
9 DGND
RS-485
X28
RS-485
X29
V25
DDCS
(AMC-I/O)
V26
1 24 V
2 GND
X24
24 V
3
4 GND
1 24 V
X23
2 GND
1 R01 NC
2 R01 C
X25
R01 NO
3
1 R02 NC
2 R02 C
X26
3 R02 NO
1 R03 NC
2 R03 C
X27
R03 NO
3
ACA 6xx Sections and ACS/ACC 6x7 (132 to 3000 kW) Frequency Converters
The Drive Control Unit NDCU-21 containing an NAMC-21 board and
an NIOC-01 board is shown below. NDCU-22 with NAMC-22 and
NIOC-01 looks similar.
91
NAMC-21
NIOC-01
DRIVE CONTROL UNIT
NIOC-01 NAMC-21
NiCd
1 3.6 V
X6 BATT.
2 GND
V20
ANALOG DDCS
INPUTS CH3 (PC)
&
V19
OUTPUTS
V18
DDCS
CH2 (MSTR-FOLL)
V17
V16
DIGITAL
DDCS
INPUTS
CH1
(I/O)
V15
CH0
TXD RXD
V14
DDCSe
(APPLICATION
CH0
CONTROLLER)
V13
V12
PPCS
(INVERTER)
V11
24 V 5 V
FAULT WATCH
DOG
24 V
IN
RS-485 TERMINATION
X
24 V TERMINATED
5
OUT
X
200 mA
NOT TERMIN
5
RELAY X4 RS-485
OUTPUT
1
RS-485
(CONTROL
X3
PANEL)
RELAY
OUTPUT
2 1 24 V
24 V
2 0 V
IN
X2
24 V
3
4 0 V
RELAY
OUTPUT
24 V
3
24 V
1
X1 IN
2 0 V
6399 3051
72
NIOC
9
265
Chapter 3 – Electrical Installation
NAMC
NLMD-01
Monitoring Display
(with System
Application
Program)
CPD 312
Control Panel
PDM code 00014221-B
3-31