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9
MAX PRO-SERIES Communication/Configuration Specifications
1. OVERVIEW
The M7500-PRO has a RS232 interface that allows it to communicate with a wide variety of equipment as well as enable custom
operating configurations to be programmed into the unit.
The purpose of this document is to outline the command set used to communicate with the M7500-PRO.
Commands and responses are in the form of ASCII character strings terminated with ASCII 13, line feed (ASCII 10) or NULL (ASCIØ).
Command String Action Response
Changes the status of the front panel button to ON.
Has the same effect as if someone pressed the front
panel button for 2 seconds.
Changes the status of the front panel button to OFF.
Has the same effect as if someone pressed the front
panel button for 2 seconds.
Turns off all outlets including those designated as
always on. Turn off is immediate with no delay.
Terminates any running turn on or turn off sequence.
Overrides the DC trigger input.
Changes the status of the front panel button to OFF.
Turns on all outlets. Turn on is immediate with no delay.
Terminates any running turn on or turn off sequence.
Overrides the DC trigger input.
Changes the status of the front panel button to ON.
Turns a specific outlet bank or the trigger output on or
off. Switching is immediate with no delay.
1.1 !BUTTON_ON<CR>
1.2 !BUTTON_OFF<CR>
1.3 !ALL_OFF<CR>
1.4 !ALL_ON<CR>
1.5 !SWITCH bank state<CR>
bank = {1, 2, 3, 4, HC1, HC2,
TRIGOUT}
state = {ON, OFF}
Example: !SWITCH 2 ON<CR>
(turns on outlet bank 2)
$BUTTON = ON<CR>
$BUTTON = OFF<CR>
$BUTTON = OFF<CR>
If successful: $BUTTON = ON<CR>
If over-voltage fault: $PWR = OVERVOLTAGE<CR>
If under-voltage fault: $PWR = UNDERVOLTAGE<CR>
If bank or state are invalid, $INVALID_PARAMETER<CR>
If bank and state are valid, and no fault exists, a
confirmation message is sent. Refer to §3.1
If over-voltage fault:$PWR = OVERVOLTAGE<CR>
If under-voltage fault: $PWR = UNDERVOLTAGE<CR>
2. PORT SETTINGS
Baud Rate: 9600bps
Data Bits: 8
Start Bits: 1
Stop Bits: 1
Flow Control: None
Null modem cable not required.
DB9 Pinout Diagram
5
43
2
1
6
78
9
PIN NO.
1
2
3
4
5
6
7
8
9
SIGNAL
-
RECEIVE DATA
TRNSMIT DATA
-
GROUND
-
-
-
-
COMMANDS
The following are commands that can be made to the M7500-PRO.
<CR> = Carriage Return (Enter Button)