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ABB DCS800 Hardware Manual

ABB DCS800
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Accessories
113
3ADW000194R0611 DCS800 Hardware Manual f us
Accessories
DCF803-0035 and FEX 425 internal
The field exciter DCF803-0035 and FEX425intern are half controlled three-phase field converter. Both
field converters are based on the same controller board SDCS FEX4. The board is equipped with own
synchronization and current control. The current measurement circuit is automatic scaled based on
rated motor field current. The field exciter is fully controlled and monitored via serial communication
from the armature converter.
The field exciter is prepared to operate as three phase as well as single phase converter. Single phase
operation is provided with terminals U and W
Layout of the SDCS-FEX-4 board
Fex4x1_a.dsf
5 A
35 A
I
Fact
X101: U1
Field
measurement channel
Setting of switchable burden
resistors by rated field current
X101: V1
X101: W1
X100: 5A
X100: 35A
X100: D1
240
115
X3
2
3
1
X6
X4
S1100
S2
S801
S800
U731
U730
D800
X5
X2
X1
T110
T112
T111
P1
P2
X110
X100
T113
35A 5A D1
123
X101
U1 V1 W1
123
R106
R107
R108
X71
X7
21
Fex4_layout_a.dsf
V110
X1: 24 V supply
X1:1 24 V DC
X1:2 0 V DC
X3: DSL Link
X3:1 GND B
X3:2 CAN L
X3:3 CAN H
Field
Mains

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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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