Setting
Application example – configuring a safety function in TSC
48
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8.6
Application example – configuring a safety function in TSC
The following safety function is realized with the example configuration:
n
The output FDX8/9 at C4 (1. OSSD) switches off when the emergency stop at FDI0/1 (64.
OSSD) and/or the light grid at FDI2/3 (63. OSSD) are activated. The monitored start is done
via the standard input FDI4.
n
The output FDX10/11 at C5 (2. OSSD) switches off when the safe input at FDX12/13 (C5)
switches. The monitored start is done via the standard input FDI4.
n
The complete safety function is released via a release bit in the F-CPU (3. (OSSD).
n
The state of output FDX8/9 is monitored via a PROFIsafe bit in the F-CPU.
Safely switch off FDX8/9 (1. OSSD)
The output FDX8/9 at C4 (1. OSSD) has to be switched off as soon as the emergency shutdown
at FDI0/1 (64. OSSD) or the light grid at FDI2/3 (63. OSSD) are activated. This means, the state of
the OSSD 63 and 64 controls the state of FDX8/9.
Delete
F-CPU output
in OSSD 1.
Select the device
State of output switching element
from the device library and place it
at the function input. In the dialog box
State of output switching element x
select OSSD
63 under
Assignment
.
Fig. 39: TSC – 1. OSSD, state of output switching element OSSD 63
