ABB DCS800 Hardware Manual

Accessories
119
3ADW000194R0611 DCS800 Hardware Manual f us
DCF505 / DCF506 Overvoltage Protection
The three-phase converter can be used as motor field supply. This operation needs a separate active
Overvoltage Protection unit DCF 505 or DCF 506 to protect the power part against inadmissibly high
voltages.
The protection unit activates a free-wheeling circuit between the F+ and F- connectors if an overvoltage
occurs. The DCF 505/506 consists of a trigger unit (SDCS-FEP-x) and a free-wheeling thyristor (two in
anti-parallel at DCF 506).
The DCF 506 consist of a relay output to indicate a free-wheeling condition to the field supply converter.
When the free-wheeling function is triggered, it will last until the DC current is less than appr. 0.5 A.
During this time the relay contacts are closed.
Assignment Field supply converter to Overvoltage protection unit
* These converter types are released for field supply operation. A derating of 10% is recommended.
See also dimensioning of installation (fuses, reactors, contactors).
The overvoltage protection unit DCF 505 is suit-
able for 2-Q converters DCS800-S01 with simple
non-motoric inductive load.
Simple load with DCS800-S01 and 2-Q Overvoltage Pro-
tection DCF 505
For motor field supply via DCS800-S01 (2-Q) or
DCS800-S02 (4-Q) the overvoltage protection unit DCF
506 is always required.
Motor field supply with DCS800-S02 and 4-Q Overvolt-
age Protection DCF 506
Field supply converter
for motor fields *
Overvoltage Protection
2-Q, 500 V
DCF506-0140-51
DCS800-S01-0020-05
DCS800-S01-0045-05
DCS800-S01-0065-05
DCS800-S01-0090-05
DCS800-S01-0180-05
DCF506-0520-51
DCS800-S01-0315-05
DCS800-S01-0405-05
4-Q, 500V
DCS800-S02-0025-05
DCF506-0140-51
DCS800-S02-0050-05
DCS800-S02-0075-05
DCS800-S02-0100-05
DCS800-S02-0200-05
DCF506-0520-51
DCS800-S02-0350-05
DCS800-S02-0450-05
Inductive load supply
for other applications
Overvoltage Protection
4-Q, 500V
DCS800-S02-1200-05 DCF506-1200-51
DCS800-S02-1500-05
4-Q, 690V
DCS800-S02-0900-07 DCF506-1500-71
DCS800-S02-1500-07
DCS800-S
C1(+)
D1(-)
DCF 505
X11
X12
DCF505bl_e.dsf
3-phase Field supply
Converter
Overvoltage
protection
M
DCF 506
X6:2 9
X4:1 2
C1(+)
D1(-)
X11
X12
DCS800-S
3-phase Field supply
Converter
Overvoltage
protection

ABB DCS800 Specifications

General

Control Type	Digital
Supply Voltage	380 ... 690 V AC
Input Voltage Range	380 V to 690 V AC
Control Mode	Torque, Speed
Cooling Method	Air-cooled
Communication Protocols	Modbus, Profibus, CANopen
Communication Options	Ethernet
Protection Class	IP21, IP54
Enclosure Rating	IP00, IP21, IP54
Protection	Overcurrent, Overvoltage, Overtemperature
Ambient Temperature	0 to 40°C
Field Supply	Integrated or External