Parameter descriptions
Lock the control possibilities of the control panel
If drive start and stop and the change of direction of rotation at the operator panel must be locked:
• For parameter
Local/Remote 412 select a value that is different from 3 or 4.
• Set parameter
Set Password 27 to prevent the resetting of the parameter. Refer to chapter 7.1.3
“Set password”.
7.5.4 Electronic gear
Starting the electronic gear: Set one of the following parameters.
Reference Frequency Source 1 475
Reference Frequency Source 2 492
The electronic gear enables the synchronization of drives without mechanical transmission elements
such as shafts or clutches. The reference value for the slave drive is the repetition frequency deter-
mined by the master drive. This value can be multiplied by a gear factor. The transmission from the
master drive to the slave drive is done via a repetition frequency signal or via system bus.
The gear factor can be set permanently or varied during operation via freely configurable digital and
analog signal sources through the percentage reference channel.
125 Source Master Reference
On the slave drive, the reference value for the electronic gear must be selected via parameter
Source
Master Reference
125. For example, "288 - Repetition Frequency Input" must be selected as the ref-
erence value source if the reference value is defined as a repetition frequency via digital input IN2D.
In this case,
Operation Mode IN2D 496 must be set to "20 - RF Single Evaluation" or "21 - RF Double
Evaluation" (RF: Repetition Frequency).
If a system bus interface is used, the reference value can be defined via the system bus. Set parame-
ter
Source Master Reference 125 according to system bus PDO which receives the reference value.
7.5.4.1 Scope of function
− Electronic gear
− Reference value defined via repetition frequency input or system bus
− Gear factor, numerator and denominator can be set separately
− Gear factor can be scaled during the operation
− Offset frequencies can be added depending on digital signals
The system bus transmission of the repetition frequency value from the master drive
to the slave drive is effected via the system bus interface at terminals X12.5 and
X12.6 or via an optional communication module CM
-CAN.
7.5.4.2 Operation modes of electronic gear
689 Operation Mode (electronic gear)
Via parameter
Operation Mode 689 for the electronic gear, you can determine if the gear factor is to
be set permanently or to be scaled via a signal source, e.g. an analog input signal at the slave drive.
The repetition frequency of the master drive is multiplied by the gear factor.
Via parameter
Reference Frequency Source 1 475 or Reference Frequency Source 2 492, the output
value of the electronic gear must be selected as the source in the reference frequency channel.
163
Reference Values 06/2013 Operating Instructions
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