Cycle diagrams

The following cycle diagrams with descriptions of the signals to be set and the signal states illustrate the operating principle of the safe brake test.

Cycle diagram without error message

The SBT safe brake test is performed according to its configuration after the start. No error message was issued during execution.

No.

Process

F-PD/PD

Signal/signal state

[1]

Enable/start brake test

F-PO

SBT clearance

  • 1: Enable/start brake test

Start brake test

PA

SBT enable (optional)

Only relevant if the Activation by SBT clearance = 0 parameter (Off) is configured.

  • 1: Start brake test

[2]

Feedback: Brake test is active

F-PI

SBT active

  • 1: Brake test is active and the steps of the test are being performed.

[3]

Feedback: Brake test completed

F-PI

SBT active

  • 0: Brake test is completed

Feedback: STO is active

F-PI

STO 1

  • 1: STO is active
  • Information:
  • Depending on the configuration, STO can be activated several times for a short time during the test steps (test step passive testing, switching from brake 1 to brake 2, at the end of the brake test).

[4]

End brake test

F-PO

SBT clearance

  • 0: End brake test

PA

SBT enable (optional)

Only relevant if the Activation by SBT clearance = 0 parameter (Off) is configured.

  • 0: End brake test

Feedback: Inverter is enabled

F-PI

STO 1

  • 0: STO is not active
Cycle diagram with error message

The SBT safe brake test is performed according to its configuration after the start. An error message was issued during execution.

No.

Process

F-PD/PD

Signal/signal state

[1]

Enable/start brake test

F-PO

SBT clearance

  • 1: Enable/start brake test

Start brake test

PA

SBT enable (optional)

Only relevant if the Activation by SBT clearance = 0 parameter (Off) is configured.

  • 1: Start brake test

[2]

Feedback: Brake test is active

F-PI

SBT active

  • 1: Brake test is active and the steps of the test are being performed.

[3]

Feedback: Fault status

F-PI

SBT active

  • 0: Brake test is completed

Feedback: STO is active

F-PI

STO 1

  • 1: STO is active
  • Information:
  • Depending on the configuration, STO can be activated several times for a short time during the test steps (test step passive testing, switching from brake 1 to brake 2) until the fault status is issued.

Feedback: Fault status

F-PI

ASF diagnostics

  • 1: Error message is active

[4]

End brake test

F-PO

SBT clearance

  • 0: End brake test

PA

SBT enable (optional)

Only relevant if the Activation by SBT clearance = 0 parameter (Off) is configured.

  • 0: End brake test

[5]

Fault reset

F-PI

Fault acknowledgment

  • 1: Acknowledge fault

[6]

 

Feedback: Inverter is enabled

 

F-PI

STO 1

  • 0: STO is not active. Axis is enabled.

F-PI

ASF diagnostics

  • 0: Fault is acknowledged