LG GLOFA-GM Series User Manual page 205

Programmable logic controller cnet i/f module
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Chapter 7 Communication function
1 program upload start command(PUN, PUD)
GLOFA GM series have user program of compile type, so they can not partly perform upload by specifying step
address. Therefore, the upload must be entirely peformed from start command in sequence. GLOFA GM series
call user program with PI command the Domain. This domain has similar characteristics to the existing PLC
program. But it is different that the domain may be deleted and has several domains are available.
Program upload start command is an initialization service when it performs domain(program) upload service. If
this service is successful, upload the program by using program upload command.
Remark
[Note 1] The delay time between this command and program upload command must be within 1 sec.
1) Request format(PC -> PLC)
Format
Header
Name
Frame (Ex.)
EQN
ASCII value
H05
DM_LEN displays the number of Domain name's characters in the range of H01 - H10.
DM_NAME displays Domain name which is allocated when saved to PLC. If the name is unknown, use
'P_Domain'.
If D has been used instead of N in command type, DM_LEN and DM_NAME are unnecessary.
If no name is required, use D instead of N in command type.
BCC : When command is one of lower case(p), only one lower byte of the value resulted by adding 1 byte
each to ASCII values from ACK to ETX is converted into ASCII, added to BCC, and sent.
When uploading, the extension name of the file to be uploaded/saved shall be ***.BN0(for GK, ***.ROM).
Station
Command
Command type
No.
H10
P(p)
UN(D)
H3130
H50(70)
H554E(44)
7-86
DM_LEN
DM_NAME
H05
LGPLC
H3035
H4C47504C43
Tail
Frame check
EOT
BCC
H04

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