Hitachi SJ Series - External Device

6-2
Chapter 6
Installation
Wiring Example
6.4 External device
The all power supply connected to I/O terminal block must
comply with SELV or PELV.
The signal lines to ST1 and ST2 terminals must be physically
separated or appropriately protected.
The all devices used to deliver safety signals must comply
with the function safety norms such as EN ISO 13849-1,
IEC61508.
The configuration of all components used in any circuit
other than an appropriately pre-approved safety module
that interfaces with the Safety function terminals MUST be
at least equivalent to PLe under EN ISO 13849-1 in order to
be able to claim PLe for the combination of SJ-P1/P1-FS and
external circuits.
Example of Safety relay
The width of test pulse (OFF pulse) applied to input
terminals must be 300us or shorter
The followings are the examples of the safety devices to be
combined.
Series
Model
Compatible norm
PNOZsigma
PNOZ s3 24VDC 2n/o
ISO13849-1 cat4, PL e / IEC 61511 SIL 3
EN IEC62061 SIL CL 3
3TK28
3TK2823-2CB30
ISO13849-1 cat4, PL e
IEC 61508 SIL 3
PSR-SCP
PSR-SCP-24DC/ESD/4X1/30
-2981800
ISO13849-1 cat3/4, PL d/e
IEC61508 SIL 3 / IEC62061 SIL CL 3
GS9A
301
ISO13849-1 cat4, SIL3
G9SX
GS226-T15-RC
IEC61508 SIL1-3
NE1A
SCPU01-V1
IEC61508 SIL3
SJ-P1
Safety function output
Safety unit
※
Compatible standard
(IEC61508, ISO13849)
KM1
M
S1-2
S1-1
STO input
S14
S24
T12
T21
T22
A1
A2
Safety Switch
(E.g. Emergency switch)
T11
CME
+24V
G9SX-GS226-T15-RC
P24E
T31
T32
T33
+24V
Reset
Switch
Physical separation or appropriate cable
protection (e.g. double-shielded cable)
P1-FS