111
English
Control Command via LAN
The communication differs whether [Setup] - [Network
settings] - [LAN control protocol] is set to [Protocol 1] or
[Protocol 2].
1. When [LAN control protocol] is set
to [Protocol 1].
Communicates using the display-specific protocol.
■
When the WEB control administrator
privileges password has been set (Protect
mode)
Connection method
1
Obtain the display’s IP address and the port number
(Default is 1024), and request connection to the
display.
The IP address and the port number can be obtained
from the following menus.
•
IP address:
[Setup
] → [
Network settings
] → [
LAN setup] or
[Network status]
•
Port number:
[Setup
] → [
Network settings
] → [
LAN setup]
●
For more detail of the settings, see page 98.
2
The display responds.
Response data
Data part Space Mode Space
Random
number
part
Last
terminal
symbol
[PDPCONTROL]
(ASCII
character
string)
[ ]
0x20
[1]
0x31
[ ]
0x20
[zzzzzzzz]
(ASCII
code hex
number)
(CR)
0x0d
10 bytes 1 byte 1 byte 1 byte 8 bytes 1 byte
Mode: 1 = Protect mode
3
Hash the following data with the MD5 algorithm, and
generate a 32-byte hash value.
[zzzzzzzzyyyyy]
zzzzzzzz :
8-byte random number obtained in step 2
yyyyy :
Password of the WEB control administrator
privileges user
●
Set the user name and password you set for
[Administrator account settings]. (see page 32)
Command transmission method
Transmit in the following command format
Transmitted data
Header
Control
symbol Data part
Control
symbol
Last
terminal
symbol
Hash value
(see
“Connection
method”)
(STX)
0x02
Control
command
(ASCII
character
string)
(ETX)
0x03
(CR)
0x0d
32 bytes
1 byte Undefined 1 byte
1 byte
Received data
Control
symbol
Data part
Control
symbol
Last
terminal
symbol
(STX)
0x02
Control
command
(ASCII
character
string)
(ETX)
0x03
(CR)
0x0d
1 byte
Undefined
1 byte
1 byte
Error response
Error message
Last
terminal
symbol
“ERR1”
: Undefined control
command
(CR)
0x0d
“ERR2”
: Out of parameter range
“ERR3”
: Busy status or reception
invalid period
“ERR4”
: Timeout or reception
invalid period
“ERR5”
: Wrong data length
“PDPCONTROL
ERRA”
: Mismatching of
password
4 bytes or 15 bytes
1 byte