Panasonic LP-400 Series External Control Manual page 73

⿎ Communication sequence at transmission prohibition/permission for marking status
Generally in the communication sequence, "the laser marker returns the response to the command from external device".
However, the marking operation (mark end or warning under some marking conditions) timing of the laser marker can be
checked from the laser marker when the Marking Status Sending Enable is set to on. Refer to "Marking status transmission
permission : MST" (P.81).
• Communication sequence where "transmission prohibited" is set for marking status sending enable command
External device
The next command
transmission may
be restricted during
marking operation.
• Communication sequence where "transmission permitted" is set for marking status sending enable command
External device
The next command
is transmitted,
waiting the marking
status from laser
marker.
* When the alarm or warning occurs before Marking Trigger receipt, Marking Status Response (Error Code) is sent to the
external devices at the timing of the error generation.
Marking status sending enable command
(Specify transmission prohibited)
Normal receiving response (ACK)
Shutter open command
Normal receiving response (ACK)
Marking trigger command
Normal receiving response (ACK)
Shutter close command
Normal receiving response (ACK)
Marking status sending enable command
(Specify transmission permitted)
Normal receiving response (ACK)
Shutter open command
Normal receiving response (ACK)
Marking trigger command
Normal receiving response (ACK)
Marking status response
(Marking completed normally)
Marking trigger command
Normal receiving response (ACK)
Marking status response (Error code)
Shutter close command
Normal receiving response (ACK)
ME-LP400V-EX-6
Laser marker
Warning occurred
according to the
setting of marking
condition during
marking operation.
Laser marker
Marking is being
performed.
In case of occurring
alarm or warning*
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