3. SIGNALS AND WIRING
3.8 Connection example with other devices
3.8.1 MR-J4-_B_-RJ
(1) Connection diagram with safety controller
The following connection diagram shows an operation of the safety observation function using input
devices assigned to pins of the CN10A and CN10B connectors with a safety controller. By diagnosis of
input signals, the amplifier complies with safety level Category 4, PL e, SIL 3.
24 V
Safety controller MELSEC-WS series
CPU module WSO-CPU0
Safety I/O combined module WS0-XTIO
FLEXB
US+
A1
(24 V)
24 V
FLEXB
US+
A2
(0 V)
0 V
I1
I2
I3
I4
S1
X1
X2
0 V
A1
(24 V)
Q1
Q2
Q3
A2
(0V)
MR-D30
CN10A
DO24VA
DO_A
CN10B
DO24VB
DO_B
CN10A
DICOMA
DI_A
CN10B
DICOMB
DI_B
3 - 17
MR-J4-_B_-RJ
CN1A
Servo
SSCNET III/H
motor
CN1/2
Servo system
controller (not
depends on model)
Deceleration
X00
IO unit
command
QX_
COM
KM1: Magnetic contactor
S1: Safety switch
KM1