Technical Manual Page 4 CODEL
OPS.080 Issue : C Rev. : Date : 16/7/08 Doc. i/d : 0080/6 Ref. : 080040
1.6. CDC Serial Port - for use with the CODEL SmartCEM system
The CDC is equipped with a 2-way serial communications port for use with the CODEL SmartCEM system. On
a plant where more than one CODEL analyser is installed, this is the preferred method and, even for a single
analyser installation, can provide significant benefits. The main ones are:
• Up to 32 SCUs can be connected to a CDC via a single data bus.
• No corruption of digital data, even over long distances.
• Common data (e.g., normalisation measurements and plant status) can be transmitted to all
relevant measurement channels and analysers from a single input.
• Real time display can show all measurements simultaneously.
• Multi-level and period alarms can be freely configured for any measurement data set.
• Up to 5 years data can be logged and instantly recalled in graphical or tabular format.
• All processor user interface functions can be carried out from a central control point, i.e. once
physical installation is complete, all commissioning operations can be carried out from the central
control. Thereafter, real time analyser operating parameters, including diagnostic data, can be
accessed at any time.
• All real time and historical data and diagnostics can be accessed remotely via a MODEM.
• Reports can be formatted to suit local legislation and printed automatically.
• Digital data can be transferred directly to the plant DCS or computer.
1.7. Analyser Protection
GCEM4000 analysers are designed for outdoor installation and all units are constructed to IP65 (NEMA 4)
standards and are designed for ambient temperatures from -20
o
to +50
o
C.
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