MD3150/3060
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Page 11
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Pin configuration
Voltage supply and interface
Plug: Solderside
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
GND
+9V
}
external power
TxD
RxD
>
<
}
communication
*
The interface cable and the external 9V supply are connected via the Y adapter.
For further details, see description of acces application example.
* The interface signals at the measuring instrument do not conform to RS 232
standard and can only be read out with the MD 3142 interface cable (see
accessories).
To transfer measured values to the PC without the optional MDE software, proceed
as follows:
•
Connect the interface cable to the computer at Com 1 or Com 2.
•
Start the terminal program (e.g., hyper terminal under Windows)
settings 1200,n,8,1, handshake 'hardware' or RTS ON
•
Switch on the measuring instrument and 'ON' in the small display in mode 1.
•
Press the mode key 7 times (to enter mode 8). The current temperature value
is displayed. The interface remains active even if data is not sent.
•
When the mode key is pressed again, the temperature values are output on-
line to the interface in the above data format (mode 0).
MD3150 data format
Data is output in the following format:
Byte no.:
0
1
2
3
4 - 8
9
10
11
12
ASCII:
T
E
1
+/-
meas. value G
C
cr
lf
w.
decim.
pt.
0dh
0ah
The output format has 13 digits across the whole temperature range ( -20.0°C to
120.0°C).
Example of output format:
TE1 + 085.6GC <cr><lf>
measuring channel 1 active and display in centigrade
TE2 + 025.3GF <cr><lf>
measuring channel 2 active and display in Fahrenheit
TD1 - 004.3GC <cr><lf>
2-channel measurement, channel 1 and centigrade
TD2 - 004.3GC <cr><lf>
2-channel measurement, channel 1 and centigrade