Interface – Lenze E94P PositionServo with MVOB User Manual

Page 31

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Interface

Guidance of setting up the drive to allow testing on the ISO 13849-1 circuit:
External Reference:

If the drive is getting its command signal from an external reference then Parameters should be set
accordingly.

From the Parameter Folder:

From the Digital IO Folder:

In this mode your external analog input will command movement. For safety purposes, measures should be
made to sure that velocity is at a minimum. From here you can proceed to the ISO 13849-1 Test Procedure.

Internal Reference:

If an Indexer program is used to operate the drive then it must contain a means of placing the drive into a
maintenance mode so that the ISO 13849-1 safety circuit can be safely tested. Responsibility lies with the
programmer on the safe implementation of a maintenance mode within the indexer program.

WARNING!
If no maintenance mode has been incorporated into the Indexer program then the Indexer
program must be erased prior to testing the ISO 13849-1 circuit. Save any code that is
required but has not previously been saved and then delete all code from the indexer
folder. Press the [Load W Source] button on the program toolbar to remove any residual
code from the drive memory.

The following truth table shows logical conditions for ISO 13849-1 circuits.

Safety Input 1

Safety Input 2

Safety Status Output

Drive Display

*1

1

1

1

Run

1

0

1

F_EF

0

1

1

F_EF

0

0

0

F_EF

*1 – Drive display will change to condition shown on enable of the drive (Input A3 Enable)

Place Input A3, hardware enable in the deactivated state.

Test Procedure for ISO 13849-1 Safety Circuit:

Test
Step

Action

Drive Display
Indication

Safety Status Output
Indication

Failed Test
Indication

1

Activate both safety
circuit inputs 1 & 2. Set
Input A3 to Enable

‘Run’

‘Activated’

Trip on display (F_EF) = one of the safety inputs failed to
activate.
Status Output Deactivated = Both Safety Inputs Failed to
activate

2

Set Input A3 to Disable

‘Dis’

‘Activated’

Status Output Deactivated = Both Safety Inputs Failed to
activate

3

Deactivate Safety
Input 1. Set Input A3
to Enable

’F EF’

‘Activated’

No Trip on display (F_EF) = Safety Input 1 failed to deactivate.
Status Output Deactivated = Safety Input 2 Failed to activate

4

Activate Safety Input 1.
Set Input A3 to disable

‘Dis’

‘Activated’

Status Output Deactivated = Both Safety Inputs Failed to
activate

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