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6.
 
CONNECTION OF REMOTE I/O UNIT 
6.13  Outline of FCUA-DX13 
† Unit Pulse Input Circuit 
 
 
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 71
 
6.13  Outline of FCUA-DX13 
† Unit Pulse Input Circuit 
 
When connecting a pulse generator other than the manual pulse generator (FCUA-HD60) to the 
FCUA-DX13 
† unit, use within the specifications range given below. 
Commercially available pulse generators include the 25P/R type and the 100P/R type. A pulse is 
multiplied by four internally, so use the 25P/R type. 
 
Input/output conditions 
Input pulse signal format 
A-phase and B-phase difference 90
° (Refer to waveform (e) 
below) 
Input signal voltage 
H level 3.5V to 5.25V, L level 0V to 0.5V 
Input pulse maximum 
frequency 
100kHz 
Pulse generator power voltage 
12VDC 
± 10% 
Maximum output current 
300mA 
Number of pulses per rotation 
25P/R (FCUA-HD60 is 25P/R) 
 
Input waveform 
The phase difference of the input waveform (
∆e) must be ±45° or less. 
 
e  :  A-phase and B-phase difference 
e :  Rising phase error of A phase or B phase (-45° 
≤ 
≤ 45°)
T  :  A or B phase cycle (minimum 10
µs) 
A (B) phase 
e
90゚
B (A) phase 
 
Input/output circuit 
 
+12
0V 
Output 
Input 
HC14 or   
equivalent 
HA2 
FCUA-DX13† 
Connector pin No.
HB2 
HA1 
HB1 
470
Ω
4700pF
+5V
220
Ω
14 
470
Ω
4700pF
+5V
220
Ω
13 
470
Ω
4700pF
+5V
220
Ω
470
Ω
4700pF
+5V
220
Ω
Control circuit 
 
 
R041-3M (for one) and R042-3M (for two) are prepared for the handle cable.