Yaskawa YASNAC PC NC I/O Signal Function Manual - Manual (Page 29)

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YASNAC PCNC I/O Signal Function Manual Chapter 4: M, S, T, and B Functions
(2) Analog Output for S50-digit Command
In response to the specified spindle speed and the gear range input (SINV), analog voltage
(-10V to 0V to +10V) is output as shown in Fig. 4.6.
Fig. 4.6 Analog Output for S5-digit Command
Spindle Motor Speed
Command Output
GR1REV GR2REV GR3REV GR4REV
Spindle Speed
S Command
+10V
0V
-10V
: Output when GR1 is “closed”.
: Output ehen GR2 is “closed”.
: Output ehen GR3 is “closed”.
: Output ehen GR2 is “closed”.