Command Reception Condition; Command Reception Permission; Commands Acceptable Only With Shutter Closed; Commands Acceptable During Warning/Alarm Occurrence - Panasonic LP-M Series Serial Communication Manual

2-2 Command Reception Condition

■ Command reception permission

When transmitting the communication command including an action to update the laser marker data, commands are
refused in the marking ready ON status or the shutter open. If "reception mode ON" is set for "command reception
permission (MKM command)" before transmitting a command, marking ready is set to OFF and commands get acceptable.
Set "reception mode OFF" for "command reception permission (MKM command)" to set marking ready ON before marking.
Reference
• Commands are acceptable by closing the shutter instead of "command reception permission (MKM command)".
However, it is recommended to use the "command reception permission (MKM command)" when the number of open
and close of the shutter is a lot.
• The command reception permission (MKM command) does not include actual opening/closing operation of the shutter.

■ Commands acceptable only with shutter closed

(Unacceptable commands when "reception mode ON" is set for command reception permission (MKM command))
• Laser power measurement (PWM)
• Power check (PWR)
• Test marking (TST)
■ Commands that do not need the command reception permission (MKM command)
The following commands can be transmitted while the shutter is opened.
(There is no need to set "reception mode ON" for "command reception permission (MKM command)".
• File change (specified with a number) (FNO)
• File change (specified with a comment) (FNN)
• Shutter (close only) (SHT)
• Command reception permission (MKM)
• Laser pumping (LSR)
• Counter reset (CTR)
• Status request (STS)
• Marking trigger (MRK)
• Serial offset (SEO)
• Serial data input (SIN)
• Error code (ECR)

■ Commands acceptable during warning/alarm occurrence

The laser marker accepts only the following commands while an alarm or warning occurs.
Alarm
• Status request (STS)
• Error code (ECR)
Warning
• Status request (STS)
• Error code (ECR)
• Shutter (close only) (SHT)
• Command reception permission (MKM) (reception mode ON and reception mode readout)
Reference
• The laser marker should be in the remote status when controlling it by serial communication.
• The Shutter (SHT) command is not acceptable when the No. 2 DIP switch on the back surface of controller is turned to
OFF.
• To release the warning (except error codes E800 to E811) by serial communication control, close the internal shutter
by Shutter (SHT) command or set the "command reception mode ON" by Command reception permission (MKM)
command, and remove the cause of warning.
• An alarm can not be released by serial communication control.
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ME-LPMSZ-SR-9