
0.2
u
+
0.1 R 2L
m
L
t
+
m
R
L
t
+
3
0.0394
+ 76.75[m]
6. CONNECTION OF I/O UNITS TO
MACHINE INTERFACE
B–63783EN/01
92
NOTE
Since some pins of this connector, unlike other 20–pin
connectors, have been removed, resulting in a unique pin
arrangement, be careful when identifying pin numbers. See
Figure 2 in Appendix B and Table C (a) in Appendix C.
Recommended connector: A02B–0120–K303 (includes the following
body and housing)
(Body: FI40–2015S, soldering type, from Hirose Electric Co., Ltd.)
(Housing: FI40–20–CV5, from Hirose Electric Co., Ltd.)
Recommended cables:
A02B–0120–K841 (7 m) (for connecting three manual pulse
generators)
A02B–0120–K848 (7 m) (for connecting two manual pulse
generators)
A02B–0120–K847 (7 m) (for connecting one manual pulse
generator)
(These cables do not include the wire shown in the above figure.)
NOTE
The number of manual pulse generators that can be
connected varies with the model and the configuration of
options.
Like a pulse coder, the manual pulse generator operates on 5 VDC. The
supply voltage drop due to the cable resistance must be held below 0.2 V
(when those of the 0–volt and 5–volt wires are combined), as expressed
in the following expression:
Wher
0.1 = manual pulse generator supply
current (0.1 A)
R = resistance per unit cable length
(W/m)
m = number of 0–volt and 5–volt wires
L = cable length (m).
Therefore, the cable length can be determined using the following
expression.
In the case of the A66L–0001–0286 cable, for example, when three pairs
of signal wires and six power supply wires (20/0.18, 0.0394 W/m) are
used (three power supply wires connected to 5 V and the other three to 0
V), the cable length is:
6.3.16
Cable Length for
Manual Pulse
Generator