Mitsubishi Electric MELSEC iQ-F FX5U User Manual page 134

■Example of wiring (When 24 V DC external power supply is used)
• NPN open collector transistor output rotary encoder
In the case of sink wiring
• When the input terminals of the CPU module are used
L
Class D grounding
N
S/S
0V
24V
1.5 k
X0
CPU module
• PNP open collector transistor output rotary encoder
In the case of source wiring
• When the input terminals of the CPU module are used
L
Class D grounding
N
S/S
0V
24V
1.5 k
X0
CPU module
*1 The grounding resistance should be 100  or less.
6 WIRING
132
6.8 Examples of Wiring for Various Uses
Rotary encoder
24 V DC
Fuse
24V
*1
0V
A phase
B phase
Z phase
Rotary encoder
24 V DC
Fuse
24V
*1
0V
A phase
B phase
Z phase
• When the input terminals of the High-speed pulse
input/output module are used
Fuse
L
Class D grounding
N
S/S
0V
CPU
24V
module
S/S
1.5 k
High-speed
X0
pulse
input/output
module
• When the input terminals of the High-speed pulse
input/output module are used
Fuse
L
Class D grounding
N
S/S
0V
CPU
24V
module
S/S
1.5 k
High-speed
X0
pulse
input/output
module
Rotary encoder
24 V DC
24V
*1
0V
A phase
B phase
Z phase
Rotary encoder
24 V DC
24V
*1
0V
A phase
B phase
Z phase