Siemens SINUMERIK MC User Manual

6.3.8 Deselecting safety functions integrated in the drive
You deselect safety functions integrated in the drive by accessing the corresponding drive
addresses in the safety program and then set/reset the relevant bits.
Precondition
● PLC tags for the signals required have been added (Page 228).
Procedure
Proceed as follows to select or deselect a safety function integrated in the drive in the safety
program:
1. Open the F-block, e.g. Main_Safety_RTG1 [FB1010].
2. Insert a new network, and in the network, link (logically combine) the signals:
21
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No. Instruction/variable Purpose/procedure
(1) ---| |---NO contact:
"Deselection_<safety function>"
Example: "deselectionSs1"
or
Drive I/O address with ZSW bit
Address the PLC tag "Deselection_<safety
function>" or the drive I/O address, which
transfers the associated bit of the safety con‐
trol word.
(2) ---( )--- Assignment:
"DR_<drive number>_<safety function>"
Example: "drive1Ss1Disable"
or
Drive I/O address with STW bit
Assign the logic operation result to the safety
function in the drive involved.
(3) Branch If you deselect the safety function involved for
several drives, insert a branch and operation
for each drive (see 3a).
(3a) ---( )--- Assignment:
"DR_<drive number>_<safety function>"
Example: "drive2Ss1Disable"
or
Drive I/O address with ZSW bit
Assign the logic operation result to the safety
function in the drive involved.
Figure 6-6 Inserting a new network
Commissioning and configuring
6.3 Generating a safety program
Safety Integrated (with SINAMICS S120)
240 Commissioning Manual, 02/2020, A5E46305916B AB

Siemens SINUMERIK MC Specifications

General

Brand	Siemens
Model	SINUMERIK MC
Category	Control Systems
Language	English