Parker ac890 - Alignment to European Standards

6-4 Safe Torque Off
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
Alignment to European Standards
EN ISO13849-1:2008
(Safety of machinery – Safety-related parts of control systems)
STO aligns internally to the following aspects of this standard:
• Architecture according to Category 3:
Solid lines represent the STO control paths.
Dashed lines represent reasonably practicable fault detection.
Key: I1, I2 = user terminal
L1, L2 = logic
O1, O2 = methods of enabling or disabling output power devices
i
mxy
= interconnecting means
m
x
= monitoring
c = cross monitoring
I1 L1 O1
I2 L2 O2
i
m1a
i
m2a
i
m1b
i
m2b
m
1
m
2
c