List Of Cam Position Calculation Warnings - Mitsubishi Electric QD77MS User Manual

6.4.3 List of cam position calculation warnings

Warning
Warning name
No.
Outside cam position
830
calculation cam No.
(33Eh)
range
Cam position
831
calculation cam not
(33Fh)
registered
Outside cam position
832
calculation cam axis
(340h)
length per cycle range
Outside cam position
833 calculation cam axis
(341h) current value per cycle
range
Cam position
834 calculation cam axis 1
(342h) cycle current value
calculation disable
Warning
" [Cd.613] Cam position calculation:
Cam No." is outside the range of 0 to
256.
Cam data of the specified cam No. does
not exist on the cam open area during
the cam position calculation.
" [Cd.615] Cam position calculation:
Cam axis length per cycle" is set to 0 or
lower.
" [Cd.617] Cam position calculation:
Cam axis current value per cycle" is
outside the range of 0 to "Cam axis
length per cycle".
Corresponding cam axis current value
per cycle could not be calculated during
cam axis current value per cycle
calculation.
(Occurs in reciprocated cam pattern)
Chapter 6 Troubleshooting (Synchronous Control)
Operation status at
warning occurrence
Cam position
calculation is not
executed.
6 - 14
Corrective action
Set a value within the range of 0 to 256.
• Specify the cam No. of an existing
cam data.
• When writing the cam data from a
peripheral software, turn the PLC
ready signal from OFF to ON and
open the cam data ON the cam open
area.
Set a value within the range of 1 to
2147483647.
Set a value within the range of 0 to
"Cam axis length per cycle".
Set " [Cd.614] Cam position calculation:
Stroke amount", " [Cd.616] Cam position
calculation: Cam reference position",
and " [Cd.618] Cam position calculation:
Cam axis feed current value" within the
range of reciprocated cam pattern
stroke.