i750ES/AS: Brake status is displayed incorrectly in EasyStarter (fixed from V01.03.08)

Removed from:
i750 Extended Safety (ES):    ab V01.03.08 
i750 Advanced Safety (AS):   ab V01.03.08
 
Behavior of the new version:
 The brake status is always displayed correctly 

For the conditions described below

  • The safety function SBC is deactivated
  • and the safe fieldbus communication FSoE is not yet established => state "INIT", 
  • and the brake is to be opened by "overriding the brake control 0x2820:011 "Open brake [1]".
The status bit 19 in the object "Safety-State 0x2870:002" is now set.
The brake is engaged in this state and the status displays signal the correct brake status:
1. status shows "Brake detection - 0x2820:004 = Brake detection not started [0]"
2. Status displays "Brake status - 0x2820:015 = Brake closed [0]"

Description of behavior:
The brake status display in Easy Starter is incorrect. It is displayed that the brake is open, although the brake is closed.

Under what conditionsdoes the behavior occur?

  • The safety function SBC is deactivated
  • and the safe fieldbus communication FSoE is not yet established => state "INIT", 
  • and the brake is to be opened by "overriding the brake control 0x2820:011 "Open brake [1]".
Effect:
The status bit 19 in the object "Safety-State 0x2870:002" is not set. The brake is engaged in this state and the status displays signal an incorrect brake status:
1. status displays "Brake detection - 0x2820:004 = Brake detected [3]"
2. Status displays "Brake status - 0x2820:015 = Brake released [1]"
Affected products: 
i750 Extended Safety (ES)
i750 Advanced Safety (AS)

Short-term measures / Rating / recommendations:
Releasing the brake is not possible in this operating state.

[Automatic Translation]
URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/202400362/1/
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