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4.7 Demo
The Demo mode is a simulation mode used for demonstration purposes. It will simulate 18 AI
analog inputs, 18 Math., 6 DI digital inputs and 6 DO digital outputs. The trends are simulated
by SIN waves. To start the Demo mode, turn the power off and on. To stop the Demo mode
and return to real mode, connected with real inputs, turn the power off and on once more.
4.8 A configuration example
Here is a process required for a paperless recorder with 3-channels of 4-20mA input, 6-relay
outputs and Ethernet communication for real-time monitoring. With, Analog input card AI183,
not yet fitted into rear slot, set up 4-20mA input according to 2.3 Setup input and output
cards, and then plug it into rear SLOT 1. Plug 6-relay output card DO181 into rear SLOT 2.
Do the wiring and installation onto panel. Set up the extensive PC software Observer II to PC,
then power on the recorder. Open the front cover at the bottom side, then 5 soft keys appear.
Press Config key to do Configuration. Press Enter key to get into Channel mode. Do settings
according to 4.1 Channel. Define the names for each channel, choose Log speed 1S, Method
Instant, Range 4.000 20.000, Scale Unit %, ScaleLo 0.00 and ScaleHi 100.00. Define the
Event (alarm ) High alarm H for Channel 1, 2 & 3, then define Job1 with Log alarm. Then, do
the rest of the settings according to 4.2 Display, 4.3 Tools, 4.4 Instrument and 4.5 Clock. If
the IP address of the recorder is fixed for Ethernet communication, (not automatically assigned
by the server), then the user needs to define IP as User Defined. Then set up the IP address and
Subnet Mask in 4.4 Instrument. The recorder is now ready for real-time monitoring and data
acquisition.
If the user needs no communication and wishes to read measured data from the CF card on a
PC, then set up the basic software Observer I in the PC, and add a CF card reader on USB port
of PC. To read the configuration and measured data on CF card for the first time, it is
necessary to press the Save key to save configurations first, and then press the Dump key to
Dump measured data from the recorder to CF card before inserting it into the CF card reader.
If any configuration has been changed, it is necessary to press both keys before inserting the
CF card into the reader. If the configuration remains unchanged, to dump measured data press
the Dump key, do not press Save key again. After that, the measured data can be seen in trend
or Excel format on PC. A 16 MB CF card is supplied free.