41
Getting started
Connections
Basic operations
Advanced Operations
Advanced operations
Troubleshooting
Explanation terms
Information
Specifications
Index
EnGlisH
Serial Remote Control
e
Automatically sending the status information
when there is a change to the DN-700H status
When there is a change to the DN-700H status, DN-700H automatically
sends the status information to the host.
Handshake flow charts for status command
Status command
DN-700H
Host
The commands used for sending status information are the same as
the status information commands used for
w
.
For “Status request and status information code table” (
v
page 44).
n
Structure of Control Commands
Each packet of a control command begins with the COMMAND
and ends with the End Character “0x0D” as shown below.
PARAMETER
COMMAND
End
Character
CR (0x0D)
COMMAND + PARAMETER + CR (0x0D)
COMMAND
: ASCII CODE of 2 characters
PARAMETER
: ASCII CODE (up to 25 characters)
NOTE
To confirm the status information of the unit, send C ? +
CR to the unit from the host.
The unit status information is sent to the host.
For “Status request and status information code table” (
v
page 44).
n
Structure of Command Codes
Item
Value
(the hex value is indicated in parentheses)
Command
Indicate a description of the command.
Parameter
Indicate a description of the parameter.
End character
’CR’(0 x 0D)
The response timeout is 200 msec.
•
When a command is received, DN-700H responds within 200 msec.
•
If DN-700H does not respond with either command even after 200
msec have elapsed, the next command is accepted.
• COMMAND is receivable also during transmission of EVENT.
•
The RESPONSE should be sent as opposed to the request command
by all the commands with which an EVENT exists , not need to the
another request commands (ex. SV command).
•
1 seconds later, please transmit the next COMMAND after
transmitting a power on COMMAND (PWON).
q
Controlling and operating DN-700H from the host
When DN-700H receives a control command from the host, the unit
executes the command.
Handshake flow charts for control command
DN-700H
Host
Control command
For “Control command code table” (
v
page 42).
w
Sending the status information for a status
request command from the host
When DN-700H receives a status request command from the host,
the unit responds the status information.
Handshake flow charts for status request command
DN-700H
Host
Status request
command
Status
information
command
For “Status request and status information code table” (
v
page 44).