Check Connection - Panasonic LP-310 Operation Manual

4-2-6

Check Connection

Check whether the laser marker is connected to the external control device properly or not in accordance with
the following procedures.
Flow
■
1. Accommodate the setting of the laser marker and that of the communication condition of the connected
external device.
Refer to "4-2-4 Setting of Communication Condition" (P.168) for details.
2. Turn ON the power supply of the external device.
3. Turn ON the power supply of the laser marker.
4. Transfer "File No. Change (Code: FNO)" command.
Start Code Command Code
(Fixed) File No. Change
STX
02
5. Check the response from the laser marker.
If the connection is performed properly, the laser marker sends back the response data of either
ACK or NAK.
ACK
06
NAK
15
*Check sum
With this check sum, add the character from the start code to the end of the data by converting the data into
hexadecimal (representing into binary value) using the ASCII code table.
02 + 46 + 4E
(HEX) (HEX)
Turn the key switch of the power supply BOX clockwise.
The laser marker starts-up in the remote mode.
*Open the manual shutter.
Subcommand Data
Setting or Operation
FNO S
46 4E 4F 53
00 Check sum
30 30 36 36
Response code Check sum
+ 4F + 53
(HEX) (HEX) (HEX)
Data
File No.
001 (Refer to "*" below)
30 30 31
Delimiter
(HEX)
0D 0A
Delimiter
(HEX)
0D 0A
+ 30 + 30 + 31
(HEX) (HEX) (HEX)
↓
Character at lower 2 digits (lower 1 byte) is C9
↓
When converting this data into 2 characters, it
becomes 43 39
(HEX).
Check sum
Delimiter
Data End Recognition
Code
CR + LF
43 39 0D 0A
"Response Data" (P.174)
=1C9
(HEX)
(HEX)
(HEX)
169