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17. APPLICATION OF FUNCTIONS
17.2.5 Connection example with other devices
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 servo amplifier complies with the safety level Category 4, PL e, and SIL 3.
24 V
Safety controller MELSEC-WS series
CPU module WSO-CPU0
Safety I/O combined module WS0-XTIO
FLEXB
US+
A1
(24V)
24 V
FLEXB
US+
A2
(0V)
0 V
I1
I2
I3
I4
S1
X1
X2
0 V
A1
(24V)
Q1
Q2
Q3
A2
(0V)
MR-D30
CN10A
DO24VA
DO_A
CN10B
DO24VB
DO_B
CN10A
DICOMA
DI_A
CN10B
DICOMB
DI_B
17 - 13
MR-J4-_TM_
Network
module
Servo
motor
Controller
Deceleration
command
QX_
COM
KM1: Magnetic contactor
S1: Safety switch
KM1
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