Programming manual SCU-series
HB-37500-820-10-12F-EN SCU Programming manual
Page 155 of 252
Status: 19.03.2021
In case of error messages of the type “Fatal
Error
“
, the SCU module must be restarted.
The input of the alarm reset can be operated with 24 V continuous voltage and is triggered
by the edge.
•
Use as Block-Reset (normal contact)
Up to 6 Block-Reset elements can be inserted. The Block-Reset elements are used to reset
the monitoring functions (e. g. SLS, SOS, etc.).
For the resettability of monitoring functions, cf. the safety module overview.
•
Use as logic reset (normally open contact)
With this option, the rest function / the confirmation is available in the logic plan for further
processing. In this case, the output of the function block is created automatically, and can
be used to be processed with a logic function. With this option the reset function / the
confirmation function in the logic plan is available for further processing. In this case, the
output of the function block is created automatically and can be used for the connection
with a logic function. Normally, this logic reset signal is used to confirm RS-FlipFlops. This
option is designed for the case that an occurring SCA error is always pendant on the RS
module, and that thiss error can only be reset by pressing the RESET button on the RS
module.
Figure 142 Start / reset to save and resetzum Speichern und Rücksetzen von Fehlern des SCA-Moduls über RS-FlipFlop
Switch type
Comment
Classifcation category
classification SIL
1 closing contactt
Alarm reset Standard
(evaluation of the edge)
--
--
1 closing contact
Logic reset Standard
category 3
SIL 2
1 closing contact
Start monitoring Standard
(optional function)
--
--