ABB AC500-S Safety User Manual page 60

AC500-S Safety Modules
Generic Safety I/O module behaviour > Safety I/O module states
Fig. 14: Overview of transitions in Safety I/O modules (except powering off/on and fatal errors)
Transitions
Safety I/O module states defined in Fig. 13 and Fig. 14 are further explained in
tion of Safety I/O module states" on page 60.
3.2.2.1 Description of Safety I/O module states
INIT
Ä Fig. 15
The hardware is initialized and internal start-up tests of the Safety I/O module are executed. After a suc-
cessful parameterization, the PROFIsafe communication is expected to be initiated by the PROFIsafe F-
Host.
The Safety I/O Module will remain in this state:
n as long as the undervoltage is detected
n if the parameterization failed or pending
n if the PROFIsafe communication is pending
Users have to check that a dedicated qualifier output bit (PROFIsafe diagnostic) for at least one of the chan-
nels in the given Safety I/O module is set to "1" to verify that PROFIsafe F-Devices are initialized.
PROFIsafe status bits in the F-Host for Safety I/O module:
OA_Req_S = 0
FV_activated_S = 1
Device_Fault = 0
Process data bits in the Safety I/O module process image:
PROFIsafe diagnostic bit = 0
Channel process value = 0
Reintegration request bit = 0
60 AC500-S
Ä Chapter 3.2.2.1 "Descrip-
30.03.2017