1 enable/inhibit operation via control word, Enable/inhibit operation via control word, Enable/inhibit via control word – Lenze i700 User Manual

Page 59: 5motor control & motor settings

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Lenze · i700 servo inverter · Reference manual · DMS 1.5 EN · 03/2014 · TD05

59

5

Motor control & motor settings

5.2

Commissioning functions (short overview)

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5.2.1

Enable/inhibit operation via control word

The operating mode can only be selected in

0x2825

(or

0x3025

f

or

axis B) when operation is

inhibited (pulse inhibit). In order to start the corresponding procedure after the selection, the

operation must be enabled explicitly.

Required steps to enable the operation after an STO:

1. Apply the STO terminals of the axis to 24 V.
2. Use the control word (

0x6040

or

0x6840

for axis B) to execute the following commands one

after another:

Access to the control word via SDO access
The control word is part of the standard mapping and is preset in the cyclic interface. In this

configuration, the control word commands have to be initiated by the controller via PDO access. If

this is not possible, for instance, since a manual intervention through the controller is not intended,

it is possible to switch off the control via PDO and carry out the enable via an SDO access:

1. Set the object

0x2824

(or

0x3024

for axis B) to "0: Off" to switch off the control via PDO.

2. An SDO access to the control word (

0x6040

or

0x6840

for axis B) serves to execute the

commands given above one after another.

3. After having executed the commands in the object

0x2824

(or

0x3024

for axis B), select

"1: Activate" to re-activate the control via PDO.

Inhibit operation via control word (pulse inhibit)
In order to inhibit the enabled operation without using the STO terminals, use the control word

(

0x6040

or

0x6840

for axis B) to execute the following command:

In this case, a subsequent renewed enable only requires (without using the STO terminals) the

control word command "

Enable operation

" (setting "15").

Command

Setting in the control word

Notes

Shutdown

6

A changeover from the "

Switch on disabled

" device

status to the "

Ready to switch on

" device status takes

place.

Switch on

7

The switch-on inhibit which is active after switch-on or

reset of an error (acknowledgement) is deactivated. A

changeover to the "

Switched on

" device status takes

place.

Enable operation

15

The operation is enabled and an active quick stop is quit

again. A changeover to the "

Operation enabled

" device

status takes place.

Command

Setting in the control word

Notes

Disable operation

7

The pulse inhibit is set. When the automatic brake

operation is activated, it is waited for the parameterised

brake closing time until the brake is applied before the

pulse inhibit is set. It is changed back to the "

Switched

on

" device status.

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