ABB FPBA-01 Bedienungsanleitung PDF herunterladen (Seite 18)

18 ABB industrial drives ACS880 single drives | Catalog

Brake chopper

The brake chopper is built in as standard for the ACS880-01

frame sizes R1 to R4. For the other frames a brake chopper is

a selectable internal option. Braking control is integrated into

the ACS880-01. It controls braking, supervises system status

and detects failures such as brake resistor and resistor cable

short-circuits, chopper short-circuit, and calculated resistor

overtemperature.

Brake resistor

The brake resistors are separately available for ACS880-01.

Resistors other than the standard resistors may be used

providing the specified resistance value is not decreased, and

the heat dissipation capacity of the resistor is sufficient for the

drive application. No separate fuses in the brake circuit are

required if the conditions for eg. the mains cable is protected

with fuses and no mains cable/fuse overrating takes place.

Input/output extension modules for increased connectivity

Brake options

Option Option code Connections

FIO-01 +L501 4 x DI/O, 2 x RO

FIO-11 +L500 3 x AI (mA/V), 1 x AO (mA), 2 x DI/O

Analog and digital input/output extension modules

Standard input and output can be extended by using optional

analog and digital input/output extension modules. The modules

are easily installed in the extension slots located on the drive.

ACS880 drives can be connected to various feedback

devices, such as HTL pulse encoder, TTL pulse encoder,

absolute encoder and resolver. The optional feedback module

is installed in the option slot on the drive. It is possible to use

two feedback modules at the same time, either of the same

type or different type.

Option Option code Connections

FEN-01 +L517 2 inputs (TTL incremental encoder),

1 output

FEN-11 +L518 2 inputs (SinCos absolute, TTL

incremental encoder), 1 output

FEN-21 +L516 2 inputs (Resolver, TTL incremental

encoder), 1 output

FEN-31 +L502 1 input (HTL incremental encoder),

1 output

Feedback interface modules

Speed feedback interfaces for precise process control

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 24

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