C Command Syntax
It is possible to control the instrument over the RS-232 or the USB port with an external computer.
It is also possible to write your own test program for a fully customized test procedure.
A description of all commands is stored on the delivered USB-Key. The newest version can always
be downloaded from the Raytech homepage:
http://www.raytech.ch
C.1
Serial Interface
language=rayserialsyntax
C.1.1
Command Syntax
The serial interface command syntax is formatted as follows (!LF! being line feed: ASCII 0x0A)
Cmd, [Para [,Para2...] ] LF
•
Separator for Parameters: ’,’ (comma: ASCII 0x2C)
•
Numeric Format of Numbers: float ( C - Language), ’.’ (full stop: ASCII 0x2E) as decimal
point
•
Format of Strings: all ASCII characters from 0x20 to 0xff
•
Spaces are represented in the command syntax by a ’˽’ to increase readability.
C.1.2
Standard Response / Error Messages
Table 1: CT-T1 RS-232 parameters
Response
Description
*1˽Ok!
Command successful
*2˽Syntax˽error!
Command unknown
*3˽Out˽of˽range!
Parameter is out of allowed range
*4˽Fail!
Command is not allowed (at this time)
*5˽Missing˽parameter!
Too few parameters
*6˽Too˽many˽parameter!
Too many parameters
*7˽Out˽of˽Range˽Meas!
Range change not allowed while measuring
*8˽Internal!
Internal error occurred
C.2
USB Interface
The USB-Slave interface can be used to control the CT-T1.
The USB driver and an installation guide can be downloaded from the Raytech homepage.
The USB-driver installation is not necessary in order to use the RS-232 serial port for
communication with the device.
90225-1.30 Instruction Manual CT-T1
Page 56 of 62
Chia sẻ với bạn bè của bạn: |
