Configuration
4.4 S7 Distributed Safety
Fail-safe operation of the Mobile Panel 277F IWLAN
Function Manual, 08/2008, 6AV6691-1FQ01-2AB0
59
4.4.1
Checklist: Creation of the safety program
Checklist for configuring a safety program for emergency stop applications
Information on S7 Distributed Safety can be found in the programming and operating manual
"S7 Distributed Safety - configuring and programming".
Please observe all additional instructions described in the programming and operating
manual "S7 Distributed Safety - configuring and programming".
Go through the following steps for configuration.
Step
Information
Check
Configuration of the hardware
S7 Distributed Safety, chapter
"Overview of configuration"
Configuration of the F-CPU
•
Level of protection "CPU contains safety
program"
•
Password
•
Define/set F-specific parameters:
•
Define the call time for the F-run-time group in
which the safety program is to be executed.
S7 Distributed Safety, chapter
"Configuring the F-CPU"
Save, compile and load the hardware configuration
The following blocks are generated:
•
F-shared DB
•
F-I/O DB for the HMI device
•
System data
Insert the following fail-safe blocks:
•
FB 161: F_FB_MP
•
FB 162: F_FB_RNG_4 or FB 163:
F_FB_RNG_16
•
FC 176: F_BO_W
•
FC 177: F_W_BO
•
FB 215: F_ESTOP1
•
F_DB_STATES or a comparable data area in
an existing F-DB
•
Using F-FBs (Page 60)
•
FB161: Mobile Panel Status
(F_FB_MP) (Page 63)
•
FB162: Effective range for 4
Mobile Panel (F_FB_RNG_4) /
FB 163 Effective range for 16
Mobile Panel (F_FB_RNG_16)
Call and wire the F-FBs as described in the
application example
Creating the additional safety program
•
Online help for the F-FBs
•
Application example: Safety
Creating the fail-safe run-time group
•
Create F-CALL
•
Assign F-FB/F-FC to F-CALL
•
Set maximum cycle time for the F-run-time
group in accordance with requirements
S7 Distributed Safety, chapter
"Defining F-run-time groups"
Calling the safety program e.g. OB 35
S7 Distributed Safety, chapter
"Defining F-run-time groups"
Compiling the safety program
S7 Distributed Safety, chapter
"Compiling the safety program"