Outline Of Fcua-Dx13 O Unit Pulse Input Circuit - Mitsubishi Electric MELDAS C6 Maintenance Manual

6.13 Outline of FCUA-DX13
6.13 Outline of FCUA-DX13
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
Input signal voltage
Input pulse maximum
frequency
Pulse generator power voltage
Maximum output current
Number of pulses per rotation
Input waveform
The phase difference of the input waveform (∆e) must be ±45° or less.
A (B) phase 90 ﾟ
B (A) phase
e
Input/output circuit
Connector pin No.
Input
Output
R041-3M (for one) and R042-3M (for two) are prepared for the handle cable.
6. CONNECTION OF REMOTE I/O UNIT
Unit Pulse Input Circuit
A-phase and B-phase difference 90° (Refer to waveform (e)
below)
H level 3.5V to 5.25V, L level 0V to 0.5V
100kHz
12VDC ± 10%
300mA
25P/R (FCUA-HD60 is 25P/R)
∆
e
T
FCUA-DX13
+5V
470 Ω
HA2
3
220 Ω
+5V
470 Ω
HB2
13
220 Ω
+5V
470 Ω
HA1
4
220 Ω
+5V
470 Ω
HB1 14
220 Ω
+12
6
1
0V
I
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Unit Pulse Input Circuit
e : A-phase and B-phase difference
∆
e : Rising phase error of A phase or B phase (-45° ≤
T : A or B phase cycle (minimum 10 µ s)
4700pF
4700pF
Control circuit
4700pF
4700pF
HC14 or
equivalent
-
71
∆
e ≤ 45°)