GOSSEN METRAWATT GMBH 43
17 RS 232 Interface
The RS 232 port is used to connect the SECUTEST
®
PSI module (acces-
sory), which can be installed to the lid of the SECUTEST
®
SII, to a PC or a
barcode scanner.
17.1 Transmission of Measurement Results to the SECUTEST
®
PSI
Test results – except for results from individual measurements (selector
switch in MENU position) and the function test – can be transmitted from
the SECUTEST
®
SII to the SECUTEST
®
PSI module, where they can be
stored and printed out in the form of measuring, test and statistical
reports at any time.
17.2 PC Connection
Connection to an IBM compatible PC is also possible. The PC is
connected to the interface at the test instrument, or to the interface port
at a previously installed SECUTEST
®
PSI module.
17.2.1 Software Evaluation of Measurement Results
Convenient software programs such as PC.doc-WORD, ACCESS or PS3
allow for easy generation of measuring and test reports, as well as
archiving of measured data.
17.2.2 Instrument Control via Interface Commands
All key functions included with the SECUTEST
®
SII can be simulated with
the help of interface protocols, and the following parameters can be
queried:
• Type of measurement and measuring range
• Test setup
• Measurement sequence progress
• Detailed measurement results
17.3 Interface Configuration and Protocol
The interface included with the SECUTEST
®
SII is in compliance with the
RS 232 standard.
Technical Data:
Baud Rate 9600 baud, permanently set
Character Length 8 bits
Parity none
Stop Bits 1
Data Protocol per DIN 19244, X_ON / X_OFF protocol
Connector Pin Assignments for 9-Pin Subminiature Socket Connector:
1: External in + (for internal use only)
2: TXD (transmitter output)
3: RXD (receiver input)
4: External in +
5: GROUND
6: +5 V (500 mA output, for barcode scanner only)
7: Ext. in –
8: Control output
9: +9 V (1.5 A output, for PSI module only)
9
876
54
3
21
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