2 manual safety function check, Manual safety function check, Safety engineering – Lenze E82xVxxxKxxxxx User Manual
Page 499
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Safety engineering
Functional test
Manual safety function check
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.