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22
AT526 User's Guide
6.1.4
RS232
[BAUD]
rate
Before you can control the AT526 by issuing RS-232 commands from built-in RS-232
controller connected via its DB-9 connector, you have to configure the RS-232 baud
rate.
The AT526’s built-in RS-232 interface uses the SCPI language.
The configuration of RS-232
The keypad will be locked when the commutation established.
Use SCPI language in Mini-USB programming.
RS-232 configuration is as follows:
Data bits
:
8
Stop bits
:
1
Parity
:
none
Procedure to set baud rate
:
Step 1
Press [SYSTEM] bottom soft-key to enter <SYSTEM CONFIG> page
Step 2
Use cursor to select [BAUD] field
Step 3
1200
For communication converter with opt coupler isolation
9600
38400
57600
115200
Best for communication with PC
6.1.5
RS
‐
232
Shake
Hand
[SHAKE
HAND]
AT526 supports software “shake hand”. AT526 will return the whole command to host
and then response the command when the [SHAKE HAND] is turned ON.
Procedure to turn ON the “Shake Hand”:
Step 1. Press the [Meas] or [Setup] key
Step 2. Press the [SYSTEM] bottom soft-key.
Step 3. Use the cursor key to select [SHAKE HAND] field
Step 4. Use the soft keys to turn ON.
ON
OFF
NOTE:
If you use Applent Software, please make sure that the [SHAKE HAND] was turned OFF.
6.1.6
RS
‐
232
Result
Send
Mode
[RESULT
SEND]
SCPI Command:
SYSTem:SENDmode {FETCH,AUTO}
When you set the [RESULT SEND] to AUTO, the test result will be sent to host every
end of measurement instead of by sending “FETCH?” command.
The format is:
+3.549568e
‐
01,+3.00,RV
GD