Inputs / Outputs

 

In this menu, you can configure the inputs and outputs of the unit.

Encoder input

Here you can revise the rotational sense assignment of the encoder signals. The same effect can be achieved by exchanging wires A and B or -A and -B at the converter terminals.

Note: In case synchronous machines are used this parameter is determined automatically and must not be changed for this reason!

 

T-1 (encoder)

Filtration of the encoder signal can be set here. This enables faulty sensor signals to be smoothened.

Note: A high filtration degree (e.g. T filter = 4) can lead to a worsening of control behaviour and cause vibrations on systems susceptible to vibration

 

DigIn1 / DigIn2

Here, you can configure the function of the digital inputs:

 

Acknow. errors:            Function "External fault acknowledgement input". A fault can be acknowledged by an external +24V signal on this input.

Contactor monitoring:   Function "Monitoring drive contactors". The drive contactors are checked for a drop at a standstill (500 msec after opening the ZS relay) via auxiliary contacts, i.e. the signal at the digital input must be 0 V.

Brake Start:                   Function „Monitoring of opening of brake upon start“. Via a +24 V signal the VVVF controller is informed that the brake is open.

 

Coding drive commands

Here, you can choose between parallel and binary drive commands encoding:

 

·         Parallel control (standard)

·         Binary encoding

 

For binary encoding of the drive commands, VVVF controller inputs V1, V2, V3, V4 are used. The assignment is as follows:

 

Driving stage VVVF controller

Cl. 16

(V1)

Cl. 17

(V2)

Cl. 18

(V3)

Cl.19

(V4)

Remark

STOP

0

0

0

0

No drive command

V0

1

0

0

0

Landing speed

V1

0

1

0

0

Inspection speed

V31

1

1

0

0

Inspection speed

VN

0

0

1

0

Fine levelling speed

V0

1

0

1

0

Landing speed

V32

0

1

1

0

Intermediate speed

V33

1

1

1

0

Intermediate speed

V2

0

0

0

1

Intermediate speed

V3

1

0

0

1

Intermediate speed

V4

0

1

0

1

High speed

 

Config. direction signals

Here, you can configure the VVVF controller for operation with only one direction signal. To do this, the parameter must be set to 1.

 

ZS=ImotOn

Here the Outputs of the VVVF can be configured. By setting a 1 the inverter signals the magnetized motor by the relay ZS.

 

Info

For more details, please refer to the VVVF controller manual.

 

 

Version 002 / Date: 27.09.2007