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3.1 RS 232 interface
3.2 Reference conditions
(calibration conditions)
The interface is used to connect to the processor unit of the emission system analyzer
or emission analysis module and for connection to a service PC.
Pin assignments of the 16-pin AMP socket
Pin Signal
10 TXD
11 RXD
12 Shield
Interface parameters
Baudrate 9600 baud
Parity none
Word length 8 bits
Stop bit 1 bit
Handshake none
Sync. signal STX / EXT
All control functions, measured value requests, measured value transfers, calibration
functions and device or error status signals are transferred or triggered via the serial
interface.
Nominal operating conditions
Ambient temperature +2°C to +40°C
Atmospheric pressure fluctuations referred to
the atmospheric pressure at the operating location ± 25 hPa
Relative humidity of the ambient air ≤ 90%
no condensation
Range in which accuracy
must be maintained +5°C to +45°C
The data complies with the following requirements:
– German National Standards Laboratory (PTB):
PTB-A 18.9, 2nd Draft dated 06.06.1994
– EC:
ECE Regulation No. 24
– Italy:
CUNA Standard NC 005-04 dated 21.05.1982 and
CUNA Standard NC 005-05 dated 21.05.1982
– Switzerland:
VAMV dated 20.10.1992
– ISO:
ISO 3173 (Draft)
ISO 11614
– France:
French Standard
Classification Code NF R 10 - 025 - 1 (dated 1995)
NF R 10 - 025 -2 (dated 1995)
NF R 10 - 025 -3 (dated 1995)
NF R 10 - 025 -4 (dated 1995)
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