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6 WIRING
6.8 Examples of Wiring for Various Uses
101
6
■Example of wiring (When 24 V DC external power supply is used)
*1 The grounding resistance should be 100 or less.
CPU module
S/S
L
N
24V
0V
24V
Rotary encoder
Class D grounding
*1
Fuse
In the case of sink wiring
0V
X000
A phase
B phase
Z phase
• NPN open collector transistor output rotary encoder
1.5 k
24 V DC
S/S
L
N
24V
0V
24V
Rotary encoder
In the case of source wiring
0V
X000
A phase
B phase
Z phase
CPU module
Class D grounding
*1
Fuse
• PNP open collector transistor output rotary encoder
1.5 k
24 V DC