© PCE Instruments
13
5.14 RS232 Function SERIAL OUTPUT
The device has a 3.5 mm socket (3-17, Fig. 1) for a RS232 computer interface.
The connector output is a 16 digit data stream, which can be utilized to the user's specific
application.
A RS232 lead with the following connection will be required to link the instrument with the PC,
NB USB port or serial port.
The 16 digits data stream will be displayed in the following format:
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
5.14.1
Digit chart:
D15
Start word
D14
4
D13
1 - 9
D12 & D11
Display annunciator
01 = °C
02 = °F
04 = %RH
D10
Polarity
0 = Positive
1 = Negative
D9
Decimal Point (DP), position from right to left
0 = No DP
1 = 1 DP
2 = 2 DP
3 = 3 DP
D8 – D1
Display reading: D1 = LSD, D8 = MSD
Eg:
If the display reads 1234, the D8 to D1 is: 00001234
D0
End word
5.14.2
RS232 Settings
Baud rate
9600
Parity
No parity
Data bit no
8 Data bits
Stop bit
1 Stop bit
