KEYENCE N-410 - Manual (Page 107)

6-11
6-4 Direct Control Command of the N-410 Series
S
er
ia
l Com
m
u
n
icat
ion
6
Controlling the multi-head mode
Direct control commands are used only when using the N-410 Series in multi-head mode.
 Reading starts
Command sent : LON
Response : None
 Reading stops
Command sent : LOFF
Response : None
• A command can be set to anything, up to eight characters.
• The command operates the same as reading with a trigger input terminal of the N-410 Series.
• Send a reading stop command when stopping reading.
 Check the input terminal status
Check the ON/OFF status of the trigger input terminal of the N-410 Series.
Command sent : TIMCHK
Response : ON = Trigger input terminal ON
OFF= Trigger input terminal OFF
Other direct control commands
 Multi-drop connection check
Checks whether the N-410 Series is communicating normally with a device that has a specified
ID number via RS-485.
Command sent : SRCmm (mm = 01 to 31: ID number)
Response : OK··· Connection OK
NC··· Error due to no connection
NG··· Error due to no connection with a slave device
 Soft reset of the N-410 Series
Restores the N-410 Series to a power-on state without turning it off.
Command sent : RESET
Response : OK
 Clearing the send buffer
Clears the send buffer of the N-410 Series device.
Command sent : BCLR
Response : OK
 Canceling the buffer overflow status
Cancels the buffer overflow status when the buffer overflow occurs in the N-410 Series device.
Command sent : OVCLR
Response : OK