External Circuit Design - Mitsubishi Electric A173UHCPU User Manual

2. DESIGN

2.3 External Circuit Design

3-phase
200/220VAC
NFB
R S T
+24V
24VDC
power
supply
CPU module
Yn
As to the ways to design the external circuits of the motion system, this section
explains the method and instructions for designing the power supply and safety
circuits, etc.
(1) Sample system circuit design for motion control
A173UHCPU/
A172SHCPUN/
A171SHCPUN
*1
200VAC
200VAC
FG
LG
EMG
EMG. COM.
Motion control
input for 8 axes
24G
Servo normal output
(ON when servo is
Ra1
normal, OFF on
*2
occurrence of alarm)
A172SENC
PX0
PX1F
TRA
COM
BRAKE
OUT
BRAKE
COM
PX0
PX1F
TRA
COM
Ra2
Operation Ready
EMG
Ra1
EMG
2 − 5
ON
OFF
MC
MC
SK