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ABB DCS800 Hardware Manual

ABB DCS800
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Technical data
98
3ADW000194R0611 DCS800 Hardware Manual f us
Interface Board SDCS-SUB-4
General
On SDCS-PIN-4 and SDCS-PIN-51 the line voltage and DC voltage measurement is done by high
ohmic resistors typical 5 M ohm for 500 V units.
Voltages below 100 V line voltage must be adapted by smaller resistance and rescaled measurement
channel. Such rescaling provide improved mains synchronization and DC measurement resolution at
small voltage.
SDCS-SUB-4 board provides a different scaling of voltage measurement. The default selection is 1.17
Mohm with maximum mains voltage of 120 V. The maximum measurement voltage scale is 200 V.
Adjust voltage scaling parameter according to table below.
Layout of SDCS-SUB-4 and location on SDCS-PIN-4
1
2
3
S1
X12
X12
X8 X9
X10
X24
X21 X25 X23
V1
X20
W1 D1
X96 X99
K400
K301
X15
X17
X1
X2 X7
X31
F102
F101
F100
X22X5
X4
X3
F300
F400
X95
C1 U1
-+
+
-
SDCS-PIN-4
Pin4_SUB4 layout.dsf
1-2 = automatic
2-3 = 230 V fix
SDCS-SUB-4
X112
D
W
V
U
C
GND
Armature firing Power supplyField current measurement
Field firing
High voltage
conducting point
Output field
current
Relay
output
DO 8
Input
Aux.
supply
D
W
V
U
C
GND
X109
X105
X103
X101
X107
X108X104X102X100X106
75
40
sub4 layout.dsf
Example: chain R
C
=R109+R110+R111
Mains
voltage
chain R
C
...R
D
Setting
97.03
Size
30...120 V appr. 1.17 MOhm 117 V D1...D4
A92/T90 (600V) 27.4 kOhm 0 V D1...D4

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ABB DCS800 Specifications

General IconGeneral
Control TypeDigital
Supply Voltage380 ... 690 V AC
Input Voltage Range380 V to 690 V AC
Control ModeTorque, Speed
Cooling MethodAir-cooled
Communication ProtocolsModbus, Profibus, CANopen
Communication OptionsEthernet
Protection ClassIP21, IP54
Enclosure RatingIP00, IP21, IP54
ProtectionOvercurrent, Overvoltage, Overtemperature
Ambient Temperature0 to 40°C
Field SupplyIntegrated or External

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