Safety Integrated - Industry - Siemens

Ex. No.
12 Network 15
In this network, a collective error N_ERROR is defined which in
the FB1 causes safe shutdown of the drive. N_ERROR=1 only
occurs in "safe speed" (SG) mode and can be acknowledged
after error recovery and standstill of the drive.
FB "EMSTP_AND_FDOOR" (FB 1, DB 1)
In case of an error, FB1 causes safe shutdown of the drive.
392 Functional Example No. AS-FE-I-012-V10-EN
Variables of FB "EMSTP_AND_FDOOR" (FB 1, DB 1):
Formal
parameters
Network 1
Data
Type
Explanation
ACK BOOL Acknowledgement signal (from the master
CPU)
ESTP BOOL Emergency stop push button (NC / NC)
SSTILL BOOL 1: Operating mode "safe speed" (SG) active
SIM_FDOR BOOL 1: safety door closed.
N_ERROR BOOL Collective error determined in FB2.
EN_SG BOOL 1: "safe speed" active
K2_HELP BOOL Readback signal of contactor K2
REQ_SG BOOL Mode switch:
0: normal operation, 1: "safe speed" (SG)
DMS BOOL "Dead Man Switch": Button (NO) which
can start the drive from standstill when
"safe speed" (SG) mode is set.
OUT3 BOOL MASTERDRIVES evaluates the signal
OUT3. If it changes its state from "1" to
"0" signal, the drive stops (fast stop).
K2 BOOL Line contactor
K80 BOOL Contactor whose auxiliary contact (NO)
controls the safety relay of the K80 option
of MASTERDRIVES.
Note
For a renewed start (OUT1=1) of the drive, OUT3=1
must be true.