Mitsubishi Electric Melsec-Q172DCPU User Manual page 112

2 SYSTEM CONFIGURATION
Using external power supply
(recommended)
Q173DPX
HA P
HA N
HB P
HB N
5V
SG
HPSEL
(Note-1)
FG
: 1 to 3
: Twist pair cable
Using external power supply
Q173DPX
HA
HB
5V
SG
FG
: 1 to 3
: Twist pair cable
If a separate power supply is applied to the manual pulse generator/incremental synchronous
encoder, be sure it is 5V voltage. Anything else may cause a failure.
Always wire the cables when power is off. Not doing so may damage the circuit of modules.
Wire the cable correctly. Wrong wiring may damage the internal circuit.
P5 terminal is the power supply for the manual pulse generator. Do not apply a voltage and do
not use it for other purposes.
(6) Connection examples of manual pulse generator
(a) Differential-output type
Manual pulse
generator side
A
A
B
B
5V
0V
Shield
External 5V
power supply
(Note-1): Connect HPSEL to the SG terminal if the manual pulse generator (differential-output
type)/incremental synchronous encoder is used.
(b) Voltage-output type/open-collector type
(recommended)
Manual pulse
generator side
A
B
5V
0V
Shield
External 5V
power supply
Using internal power supply
Q173DPX
HA P
HA N
HB P
HB N
5V
SG
HPSEL
(Note-1)
FG
: 1 to 3
Q173DPX
HA
HB
5V
SG
FG
: 1 to 3
CAUTION
2 - 79
Manual pulse
generator side
Shield
: Twist pair cable
Using internal power supply
Manual pulse
generator side
Shield
: Twist pair cable
A
A
B
B
5V
0V
A
B
5V
0V