4900002277 J22 TDLAS Gas Analyzer
6 SpectraSensors, Inc.
Hardware write protection is disabled when the device is delivered → 84.
Protecting access via a password
Different passwords are available to protect write access to the device parameters
or access to the device.
• User-specific access code
Protect write access to the device parameters via the local display or Web
browser. Is equivalent to hardware write protection in terms of functionality.
User-specific access code
Write access to the device parameters via the local display, Web browser can be
protected by the modifiable, user-specific access code(→ 82).
When the device is delivered, the device does not have an access code and is equiv-
alent to 0000 (open).
Access via Web Server The J22 TDLAS Gas Analyzer can be operated and configured via a Web browser
with the integrated Web server
(→ 40). The connection is via the service inter-
face (CDI-RJ45) .
The Web server is enabled when the analyzer system is delivered. The Web server
can be disabled if necessary (e.g., after commissioning) via the Web server func-
tionality parameter.
The J22 TDLAS Gas Analyzer and status information can be hidden on the login
page. This prevents unauthorized access to the information.
Refer to the Device Parameters manual for the J22 TDLAS Gas Analyzer → 2.
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