Rockwell Automation Allen-Bradley Guard master 442G-MAB Series - Safety Concept; Applicable Safety Standards; Safety Certification

Rockwell Automation Publication 442G-UM001B-EN-P - May 2016 13
Safety Concept Chapter 2
Chapter 2
Safety Concept
Standards Applied to the
Guardmaster 442G Multi-
functional Access Box
The Guardmaster® Access Box satisfies applicable requirements in the
following standards that are related to functional and machinery assembly:
• IEC 60947-5-3: 1999/A: 2005
• EN/ISO 13849-1:2008/AC: 2009
• EN/ISO 14119:2013
• UL 508 17
th
Edition dated 3/19/2013
Safety Certification
The Guardmaster Access Box is a Type 4 interlocking device with guard
locking and high-coded RFID actuators according to EN ISO 14119.
The device is certified for use in safety applications up to and including
Performance Level PL e and Category 4 (EN ISO 13849-1) ISO13849-1, for
guard position and guard lock monitoring, including when connected in series.
From hardware revision B, this device is also certified for use in safety
applications up to and including PLe, Cat. 4 for guard locking control when
dual-channel solenoid control is utilized (refer to Connection Guard Locking
Control).
The safety level of guard locking control is determined by the device PFH
d
int.
and by the external control (for example, PFH
d
int.
of the standstill monitor).
Figure 1 -
Guard Locking Device
PFH
d
ext.
(for example,
standstill monitor)
PFH
d
int.
(access box)
(guard locking)