Safety engineering – Lenze EVS9332xK User Manual
Page 437
Safety engineering
Functional test
Monitoring the safety function with a PLC
11.5
11.5.3
l
11.5−5
EDSVS9332K EN 8.0−07/2013
For the functional test, check both disconnecting paths separately.
1. disconnecting path: Pulse inhibit via safety relay K
SR
The individual tests are passed if the correct states given in the table result.
Specification
Correct status
Individual test
Input relay activation (X11/34)
Output feedback (X11/K31)
Pulse inhibit
LOW
HIGH
Pulse enable
HIGH
LOW
2. disconnecting path: Controller inihibit
Requirement for the test:
ƒ "Quickstop" (QSP) function deactivated
ƒ "Automatic DC injection brake" deactivated (C0019 = 0)
ƒ Pulses enabled by the safety relay K
SR
(X11/34 = HIGH)
The individual tests are passed if the correct states given in the table result.
Specification
Correct status
Individual test
X5/28
Setpoint
Output DIGOUT
Controller inhibit
LOW
n
set
> 0
HIGH
Controller enable
HIGH
LOW
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.
Functional test within the
inspection interval