Command Codes; Rs-232C Settings; Command Code System; Description Of Command Code Systems - Mitsubishi Electric DX-NT400E Operation Manual

Command codes

I RS-232C settings
Communication related settings of this unit are made in "MODE" and "SETTINGS" of the <RS-232C> screen. Set the
settings to the same values as the connecting modem or PC.
When controlling this unit remotely from a PC, set "MODE" in the <RS-232C> screen to "REMOTE A", "RE-
MOTE B", or "REMOTE C".
"REMOTE A" : State information is returned from the unit.
"REMOTE B" : State transition information is returned from the unit.
"REMOTE C" : State information is not returned from the unit.
Available settings on this unit
Synchronization Menu display
1 Transmission rate at
TRANSMISSION
the data received/
MODE
sent
2
Data bit length
DATA BIT LENGTH
3
Parity bit setting PARITY BIT
4
Stop bit length
STOP BIT LENGTH
5
Line feed setting DELIMITER
I Command code system
2 types of command codes of "direct operation specification" and "false operation panel" can be selected according to
the purpose of the unit.
I Description of command code system
o Direct operation specification
This system is used to control or set the unit and comfirm the execution or error of the command sent from the PC by the
status returned from the unit. This command type is structured by operation setting type commands that sets operations
and menu setting type commands that directly sets various menus.
• Input format
Operation setting type commands are sent from the PC to the unit for each operation such as power on/off, recording,
playback, etc.
Menu setting type commands are used to specify each menu setting of the unit.
As a general rule, do not send commands continuously, but send the next command after checking that the present
command has been executed and completed.
• Response format
After sending a command, the following items can be checked by the status returned from the unit.
1) Command execution result, error type, command name, and operation status.
2) For operation setting type commands, the operation mode of the unit can be distinguished by the mode number of the
returned status.
Distinction cannot be made with menu setting type commands. (Mode number is notified only when the status is changed.)
Example) Turning ON the unit.
Replied status code
Command
from unit to PC
from PC
PW1
#1
RC
#2
EX,00PW1,03
When the unit cannot execute the operation setting type command or menu setting type command which is
sent from a PC, the content of that error is displayed in the error type of the status returned from the unit. Check
the error code and take appropriate measures.
For control type commands such as recording, playback, etc., the interval between command transmission
and the actual operation (command execution) may take some time. To prevent the gap between operation and
actual execution, read the status after sending the command and check the transition of the actual execution.
Asynchronous
1200/2400/4800/
Perform the following settings on the PC
9600/19200
8 BIT/7 BIT
NONE/ODD/EVEN
1 BIT/2 BIT
CR/CR•LF
Indicates POWER ON command has been sent.
Indicates that the unit has received a command.
EX : Indicates that a command has been executed.
#2
00 : Indicates that the execution was successful.
PW1 : Indicates response to POWER ON command.
03 : Indicates POWER ON status.
Synchronization Menu display
1
X control Not displayed
2
S parameter Not displayed
3
CS-RS hand-shake displayed
Meaning
3