Warning Of Cam Operation; List Of Cam Data Operation Warnings - Mitsubishi Electric QD77MS User Manual

6.4 Warning of cam operation

A warning is detected for an axis 1 when in the cam operation (cam data operation/cam auto-
generation/cam position calculation) is incorrect.

Warning of cam operation

(1) Warning detection
(2) Resetting warnings

6.4.1 List of cam data operation warnings

Warning
Warning name
No.
810 Outside operation cam
(32Ah) No. range
811 Read cam not
(32Bh) registered
812 Outside cam data first
(32Ch) position range
"b9: Axis warning detection of " [Md.31] Status" for axis 1 " turns ON, and the cam data
operation warning number/cam auto-generation warning number/cam position
calculation warning number is stored in " [Md.24] Axis warning No.".
Remove the cause of warning following the actions described in Section 6.4.1, 6.4.2
and 6.4.3, before canceling a warning state through resetting the error of axis 1.
A warning state is canceled after the following processing is carried out by setting "1"
in " [Cd.5] Axis error reset" for axis 1.
• Axis error detection signal is turned OFF
• " [Md.23] Axis error No." is cleared
• " [Md.24] Axis warning No." is cleared
• Changing of " [Md.26] Axis operation status" from "Error" to "Standby".
• "Axis warning detection ( [Md.31] Status: b9)" is turned OFF
POINT
A warning of cam operation occurs for an axis 1 without any condition. Judge
whether it was completed normally by confirming a warning state of axis after the
completion of cam operation.
Warning
" [Cd.601] Operation cam No." is other
than 1 to 256.
Cam data of the specified cam No. does
not exist on the cam open area during
the cam data reading operation.
• " [Cd.602] Cam data first position" is
outside the range of "1 to Cam
resolution" for the stroke ratio data
format cam.
• " [Cd.602] Cam data first position" is
outside the range of "0 to (Coordinate
number - 1)" for the coordinate data
format cam.
Chapter 6 Troubleshooting (Synchronous Control)
Operation status at
warning occurrence
Cam data
writing/reading is not
executed.
6 - 11
Corrective action
Set a value within the range of 1 to 256.
• Specify the cam No. of an existing
cam data.
• When writing the cam data from a
programming tool, 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
Cam resolution" for the stroke ratio
data format cam.
• Set a value within the range of "0 to
(Coordinate number - 1)" for the
coordinate data format cam.