Siemens SIRIUS 3RK3 - Page 40

Getting Started
4.7 Creating the safety program
Modular Safety System 3RK3
38 System Manual, 10/2008, 926 2530-02 DS 02
Step Activity Result
7
• Drag the "Input cell" element from the "Cell
functions" folder to the work space. This
cell function is required for monitoring the
feedback circuit.
• Open the "Properties - Input cell" dialog
box by double-clicking the block.
• Select the following in the "Parameter"
directory:
– The "Connection - input" parameter,
and apply this to "SLOT4_F-IN3".
• Close the window by clicking "OK".
8
• Drag the "AND" element from the "Logic
operations" folder to the work space.
• Open the "Properties - AND" dialog box by
double-clicking the block.
• Select the following in the "Parameter"
directory:
– The "Number of logic inputs"
parameter, and define this as "3".
• Close the window by clicking "OK".
9
• Connect the outputs "Q" of the monitoring
functions with the inputs "IN" of the AND
function by dragging and dropping.
• Connect the output "Q" of the AND function
with the input "IN" of the F output.
• Connect the output of the input cell
"SLOT4_F-IN3" with the input
"FEEDBACK" (feedback circuit) of the F
output.
• Connect the output of the input cell
"SLOT4_F-IN1" with the input "Start" of the
EMERGENCY STOP monitoring function.
10 For a clearer display, choose "Edit" > "Realign
graphic".