6.3.4 Monitoring of the SBC function
The switches are tested at brake release each hour on their switching ability.
A short circuit monitoring against 24V respectively 0V is given.
If the diagnosis CPU monitors a fault, the control of both channels is disconnected, the LED is set to
red and bit 0 is set in the status. Additionally the errors are displayed with bits 9-12 and 23-24.
ATTENTION
Pay attention to response time
The maximum error response time is 10 ms.
The voltage supply for switching the brake is monitored. Status bits 3 or 4 of sb29 are set if the
voltage is outside of 24 V±10 %.
If the safety module is in error status is displayed in the status of the control of the COMBIVERT
with parameter ru.01 = „55" (error safety module).
29
FUNCTIONAL DESCRIPTIONS
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