
B–62073E–1/042. INTERFACE BETWEEN CNC AND PMC–NA OR NB
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[Name] Spindle control switch signal (PCSPN0) (T series only)
[Classification]
Input signal
[Function] This signal is used to select the spindle to be controlled. The first spindle is selected when
this signal is low, while and the second spindle is selected when this signal is high. (This sig-
nal is valid only when parameter No. 5821 (SPCHG) is set to 1.) The state of this signal is
output to the spindle control check signals (F155.4/F155.5).
This signal can be input at any time. To switch this signal during automatic operation, do so using an M
code command (M code for which no buffering is performed).
2.3.38 Program status output signals
(a) Rapid traverse signal (RPD [#1, #2])
[Classification]
Output signal
[Function] This signal informs that a move command is executed using rapid traverse.
[Output Condition]
This signal goes high when:
⋅ Rapid traverse is selected and movement is started in automatic or manual operation
This signal goes low when:
⋅ A mode of feed other than rapid traverse is selected and movement is started in automatic
or manual operation
NOTE 1 Rapid traverse in automatic operation includes all rapid traverse operations, such as canned
cycle positioning and automatic reference position return, as well as move commands (G00).
Manual rapid traverse includes rapid traverse for reference position return.
NOTE 2 It is not true that this signal goes high only during movement. Once rapid traverse is triggered,
this signal remains high until a feed operation other than rapid traverse is started, even if the
rapid traverse has finished.
NOTE 3 In simultaneous automatic/manual operation, this signal is dependent on whether the mode
of feed in automatic operation is rapid traverse; this signal is not affected by manual feed.
(b) Tapping signal (TAP [#1, #2])
[Classification]
Output signal
[Function] This signal informs that tapping mode is set.
[Output Condition]
This signal goes high:
⋅ During a tapping canned cycle
⋅ In the tapping mode
This signal goes low when:
⋅ Not during a tapping canned cycle or in the tapping mode
(c) Threading signal (THRD [#1, #2])
[Classification]
Output signal
[Function] This signal informs that threading is in progress.
[Output Condition]
This signal goes high:
⋅ In the threading mode