2-4 An Overview of the Inverter
605C Frequency Inverter
Block
No.
Variable Description
8 XX Two characters specifying the braking option:
B0 Brake power switch fitted - no braking resistors supplied
Note: External braking resistors should be specified and ordered separately.
9 XXX Three characters specifying the auxiliary mains power supply.
0 Reserved
10 XXX 3 digits specifying engineering special options:
0 No special option
Functional Overview
Power Board
DC link capacitors smooth the dc voltage output prior to the Inverter power stage. The IGBT
(Insulated Gate Bi-polar Transistor) output stage converts the dc input to a three phase output
used to drive the motor.
Control Board
Processor
The processor provides for a range of analog and digital inputs and outputs, together with their
reference supplies. For further details refer to Chapter 11: “Technical Specifications” - Control
Terminals.
The I/O configuration switches (SW1 & SW2) on the control board can be seen when the
terminal cover and the left-hand Technology Option is removed. These switches configure the
analog i/o terminals. Refer to Chapter 6: “Programming Your Application” - ANALOG INPUT
and ANALOG OUTPUT.
Technology Option Interface
This is a multi-way connector and processor bus with control signals allowing Speed Feedback
and Communications Technology Options to be fitted to the 605C Inverter.
Operator Station Interface
This is a non-isolated RS232 serial link for communication with the Operator Station.
Alternatively, a PC running SSD Drives’ “ConfigEd Lite” Windows-based configuration
software (or some other suitable PC programming tool) can be used to graphically program and
configure the 605C Inverter.
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