2 manual safety function check, Manual safety function check, Safety engineering – Lenze E82xVxxxKxxxxx User Manual

Page 499

Advertising
background image

Safety engineering

Functional test

Manual safety function check

14

l

499

EDS82EV903 EN 3.0

14.4.2

Manual safety function check

For the functional test, check both disconnecting paths separately.

1st disconnecting path: pulse inhibit via safety relay K

SR

How to proceed during the test:

1. Alternately apply LOW and HIGH level to input X3.1/34 and check the states given in

the table below.

Individual test

Specification

Correct status

Relay control input (X3.1/34)

Feedback output (X3.1/K31)

Pulse inhibit

LOW

HIGH

Pulse enable

HIGH

LOW

The individual tests are passed if the correct states given in the table result.

2nd disconnecting path: controller inihibit

Requirement for the test:

ƒ

"Quick stop" function (QSP) deactivated

ƒ

"Automatic DC injection brake" function deactivated (C0019 = 0.00)

ƒ

Pulses enabled by safety relay K

SR

(X3.1/34 = HIGH)

How to proceed during the test:

1. Set controller inhibit (X3/28 = LOW).

2. Define a setpoint n

set

> 0.

3. Check that the motor is not rotating.

The individual test is passed if the motor does not rotate.

Functional test not passed

If an individual test results in an impermissible status, the functional test is not passed.

ƒ

The drive or machine has to be shut down immediately.

ƒ

Commissioning is not permitted until the safety function operates correctly.

Advertising