Omron HD Safety Manual page 68

Function
Safety Function
#
SF8 Brake Release Mon-
itoring
SF9 Warnings
SF10 Automatic Battery
Charging
*1
Stop Categories according to IEC 60204-1 (NFPA79).
*2
The PL achieved and the Probability of Dangerous Failure per Hour (PFHd) are calculated
using SISTEMA as per ISO 13849-1, for the Safety Functions listed in Table 3-1.
*3
The SCPU connector on the user access panel is provided for use with a user-supplied
external E-Stop along with a user-supplied protective device. The user is responsible for cal-
culating the overall PL and PFHd, inclusive of user-supplied components, and performing a
final risk assessment.
68
Description
nector, then an E-Stop jumper must be
attached to the connector. Refer to HD-1500
Platform User's Manual (Cat. No. I645) for spe-
cific information.
The final SF7 functional safety rating is to be
calculated using the given PFHd value (logic
and output) combined with the user supplied
protective device (input) PFHd values.
SF8 monitors the brake, and ensures it is in
use when necessary, and not in use when not
necessary. The brake release monitoring ini-
tiates a category 1 stop, and requires manual
reset in order to resume AMR operation.
SF8 has functional safety rating of Plb Cat-
egory B.
SF9 is for the visual warning system, and has
functional safety rating of Plb Category B.
SF10 is used to ensure that the AMR is prop-
erly connected to docking target before the
charging contacts are activated.
SF10 has functional safety rating of Plb Cat-
egory 1.
Mobile Robot HD Safety Manual
What is
controlled
AMR
AMR
AMR
31500-100 RevA