Fagor QC-PDS - Page 311

 Functional safety
FUNCTIONAL SAFETY
Design Requirements
9.
QC-PDS
HARDWARE
Ref.2003
· 311 ·
Option 2.
F. H9/4
Emergency stop with SS1-t, Cat. 3, PL d | SIL 2. Option 2.
A1
A2
S21 S22 S11 S12
37
S33 S34
14 38
13
1
2
3
4
5
6
1
2
3
4
5
6
48
47
to PLC INPUT
to deactivate
SPENA
EXTERNAL SAFETY CONTROLLER
Cat. 3 PL d
STO1
STO1
STO2
STO2
ON
- F
X13A
X13B
(only in dual-drive)
24 V DC
QC-DR
State definitions
STO1 or STO2 = 0  Torque Off
Positive logic