
140
6 WIRING
6.8 Examples of Wiring for Various Uses
2-phase 2-input
The wiring examples in this section use the following settings. When settings other than those in the table are used, use the
examples shown in the following figures as references for wiring.
The settings of the high-speed counters are set by using the parameter settings of the engineering tool.
For details, refer to
GX Works3 Operating Manual.
■
Example of wiring
*1 The grounding resistance should be 100
Ω
or less.
CH to be used
Pulse input mode
External preset input External enable input Operation mode
CH2 (CPU module) or CH10 (high-speed pulse
input/output module)
2-phase 2-input
Invalid
Invalid
Normal mode
1.5 k
24 V DC
1.5 k
24 V DC
In the case of sink wiring
FX5U-
32MT/ES
S/S
L
N
24V
0V
24V
Rotary encoder
Class D grounding
*1
Fuse
0V
X2
X3
A phase
B phase
Z phase
FX5-
16ET/ES-H
FX5U-
32MT/ES
S/S
L
N
24V
0V
24V
Rotary encoder
Class D grounding
*1
Fuse
0V
S/S
X2
X3
A phase
B phase
Z phase
• NPN open collector transistor output rotary encoder
• When the input terminals of the FX5U-32MT/ES are used
• When the input terminals of the FX5-16ET/ES-H are used
1.5
k
24 V DC
1.5
k
24 V DC
In the case of source wiring
FX5U-
32MT/ESS
S/S
L
N
24V
0V
24V
Rotary encoder
Class D grounding
*1
Fuse
0V
X2
X3
A phase
B phase
Z phase
FX5-
16ET/ESS-H
FX5U-
32MT/ESS
S/S
L
N
24V
0V
24V
Rotary encoder
Class D grounding
*1
Fuse
0V
S/S
X2
X3
A phase
B phase
Z phase
• PNP open collector transistor output rotary encoder
• When the input terminals of the FX5U-32MT/ESS are used
• When the input terminals of the FX5-16ET/ESS-H are used
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