Yaskawa YASNAC PC NC Connecting Manual - Manual (Page 78)

8 - 4
YASNAC PCNC Connecting Manual Chapter 8: Connection of Direct-IN/OUT Signals to the CNC
8.3 Description of Signal
This section addresses the contents of Direct IN/OUT signals to be input/output directly to/
from the PCNC unit.
8.3.1 I/O Circuits on PCNC side
(1) Input Circuit of Direct IN Signals
The time chart of direct IN signal is shown below.
(a) For 0V common
Input waveform
Signal to be
received by PCNC
Time
Within 40
µ
s Within 10
µ
s
FIGURE 8.3.1.1 Time Chart
CN14-10
CN14-14
+24V
CN14-18
CN14-2
3.3k
Ω
About 7 mA
.
JZNC-JFC10
RV
FIGURE 8.3.1.2 Input Circuit (for 0V Common)