Instruction Manual TR-Mark III 250V Version 1.10 Preliminary Page 47 of 57
10.3 TR-Mark III 250V Communication Port
NOTE
TR-Mark III 250V communication interface is designed to work
properly with the same hardware and command set as TR Spy Mark II.
Commands not used on Mk-III will return ‘ok’ as the Answer.
10.3.1 Hardware Protocol
9 pole D-Sub
Pin 2 TXD Data TRSpy to Computer
Pin 3 RXD Data Computer to TRSpy
Pin 7 GND
+/- 12 V Signals
Protocol: 19200 Baud, 8 Bit, 1 Stop bit, no parity
10.3.2 Software Protocol
NOTE
Required firmware version 3.0.28.9 and later. Do not use former
Versions for Remote Control. Call us for updates.
10.3.2.1Switch to Remote
The Device is switched to REMOTE by:
- Command “RM”
- Every command which is executing a measurement (MA,MB,MC,MF )
10.3.2.2Switch to Local
With Command SL (Set to Local) or with the Local Button on the display. This button will be
the only object on screen until it is pressed.
10.3.2.3Syntax of Commands
„cc [Data1[;Data]..]CR
cc = 2 ASCII Character for the Command
‘;’ (semicolon or space) Separator for multouchle Data fields
Numeric Format of Numbers: float (C - Language), “.” as decimal point
Format of Strings: all ASCII Characters from 0x20 to 0x7f
Terminator: „CR“ ( = 0x0D) or LF (0x0A)
Answers without data: *0 ok ok *1 unknSyntax Error
Answers with data:
xx,Message1[,Message2;[Message3]..]“,CR
xx Type of answer ( the command itself)
10.4 TR-Mark III 250V Remote Commands
Please contact your local representative or Raytech Switzerland for a complete and actual
command set.
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