Contents In This Chapter; Safety Function; Applicable Standard; How Safety Function Works - Hitachi SJ Series Safety Function Manual

Chapter 4
Chapter 4 Safety Function

4.1 Contents in this chapter

This chapter describes the information about the Safety
function of the P1-FS with SJ-P1.

4.2 Safety function

The Safety functions of the P1-FS with SJ-P1 are functions
equivalent to below functions defined in EN/IEC 61800-5-2.

Safety function

STO
(Safe torque off)
SS1
(Safe stop 1)
SBC
(Safe brake control)
SLS
(Safely-limited speed)
SDI
(Safe direction)
SSM
(Safe speed monitor)

4.3 Applicable standard

The applicable standards are listed in the table below.
■
Applicable standard
Standard
EN ISO/ISO 13849-1
IEC 61508, EN/IEC 61800-5-2,
EN/IEC 62061
EN/IEC 60204-1
Description
It is equivalent to stop
category 0 defined in
EN/IEC60204-1.
It is equivalent to stop
category 1 defined in
EN/IEC60204-1.
It is output signal to
control an external
brake unit.
It prevents the motor from
exceeding the specified
speed limit.
It prevents the motor shaft
from moving in the
unintended direction.
It provides an output signal
to indicate whether the
motor speed is below a
specified limit
Remark
CAT.4, PL e
SIL 3, STO
Stop category 0, 1

4.4 How Safety function works

4.4.1
Installation of P1-FS and
each part name of the product
■
Installation and wiring route
The P1-FS can only be installed on the far right slot of SJ-P1
whose version is 2.01 or later. Please check the version of
SJ-P1 in advance. The version is written on upper right of
the name plate of SJ-P1.
4-1
Safety Function
4