
B-63943EN-1/02-01
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Apprv.
Design
Sheet
Title
Draw
No.
56/126
Date
Design
Descri
tion
Date
FANUC Se
ies 30i/31i/32i-
, 31i-
5
PMC Axis Control
2004.10.7
(18) Controlled axis selection status signal *EAXSL <F129.7>
[Classification] Output signal, path-by-path signal
[Function] Indicates whether PMC axis control is being exercised.
[Operation] When this signal is set to "0", controlled axis selection signals EAX1 to EAX8 can
be changed.
This signal is set to "1" in the following cases:
(1) When the tool is moving along a PMC-controlled axis
(2) When a block is being read into a buffer
(3) When the servo-off signal ESOFg is set to "1"
When this signal is set to "1", controlled axis selection signals EAX1 to EAX8 cannot be
changed. Any attempt to change these signals results in the output of an alarm PS0139.
If an attempt to change signals EAX1 to EAX8 is made when servo-off signal ESOFg is "1",
an alarm PS0139 occurs and cannot be released simply by setting reset signal ECLRg to
"1". In such a case, restore signals EAX1 to EAX8 or set servo-off signal ESOFg to "0"
before setting reset signal ECLRg to "1". When a command is issued for any of the four
groups with PMC axis control, signal *EAXSL is set to "1" to disable axis selection. Thus,
changing signals EAX1 to EAX8 results in the output of an alarm PS0139. For groups for
which commands are not issued, however, axis selection is enabled if parameter DSL (No.
8004#5) is set accordingly.
(19) In-position signal EINPg <F130.0, F133.0, F136.0, F139.0>
[Classification] Output signal, group-by-group signal
[Function] Indicates the in-position state.
[Operation] This signal is set to "1" when the corresponding PMC-controlled axis is in the
in-position state.
When the tool is decelerated, in-position check is performed to disable the next
command until the tool enters the in-position area. The in-position check, however,
can be skipped using bit 6 (NCI) of parameter No. 8004 to reduce the cycle time.
NOTE
When the axis is fed at a very low speed, the in -position signal might
turn to "1".
(20) Following zero checking signal ECKZg <F130.1, F133.1, F136.1, F139.1>
[Classification] Output signal, group-by-group signal
[Function] Indicates the following zero state.
[Operation] This signal is set to "1" when following zero check or in-position check is being
performed for the corresponding PMC-controlled axis.
The following zero state means that the acceleration/deceleration delay amount is zero.