
8
8.1 Alarms Displayed on NC Screen
484
No. ContentsMessage
5044 G68 FORMAT ERROR
(M series)
A G68 command block contains a format
error. This alarm is issued in the following
cases:
1. I, J, or K is missing from a G68 com-
mand block (missing coordinate rota-
tion option).
2. I, J, and K are 0 in a G68 command
block.
3. R is missing from a G68 command
block.
G68.1 FORMAT ERROR
(T series)
A G68.1 command block contains a format
error. This alarm is issued in the following
cases:
1. I, J, or K is missing from a G68.1 com-
mand block (missing coordinate rota-
tion option).
2. I, J, and K are 0 in a G68.1 command
block.
3. R is missing from a G68.1 command
block.
5046 ILLEGAL PARAMETER
(ST.COMP)
The parameter settings for straightness
compensation contain an error. Possible
causes are as follows:
1. A parameter for a movement axis or
compensation axis contains an axis
number which is not used.
2. More than 128 pitch error compensa-
tion points exist between the negative
and positive end points.
3. Compensation point numbers for
straightness compensation are not as-
signed in the correct order.
4. No straightness compensation point
exists between the pitch error com-
pensation points at the negative and
positive ends.
5. The compensation value for each com-
pensation point is too large or too
small.
6 The settings of PRM13881–13886 are
illegal (in the interpolation type straight-
ness compensation).
5050 ILL–COMMAND IN
CHOPPING MODE
(M series)
A command for switching the major axis
has been specified for circular threading.
Alternatively, a command for setting the
length of the major axis to 0 has been spe-
cified for circular threading.
5051 M–NET CODE ERROR Abnormal character received (other than
code used for transmission)
5052 M–NET ETX ERROR Abnormal ETX code
5053 M–NET CONNECT ERROR Connection time monitoring error (PRM
175)
5054 M–NET RECEIVE ERROR Polling time monitoring error (PRM176)
5055 M–NET PRT/FRT ERROR Vertical parity or framing error
5057 M–NET BOARD SYSTEM
DOWN
Transmission time–out error (PRM177)
ROM parity error
CPU interrupt other than the above