Omega Vehicle Security CN3271 Series manual Serial Communication Interface Option, Maintenance

Band alarm

Operative mode: Inside or outside band programmable.

Threshold: programmable from 0 to 500 units.

Hysteresis : programmable from 0.1 % to 10.0 % of the readout span.

Deviation alarm

Operative mode : High or low programmable.

Threshold : programmable from - 500 to +500 units.

Hysteresis : programmable from 0.1 % to 10.0 % of the readout span.

SERIAL COMMUNICATION INTERFACE (OPTION)

Type: insulated RS-485.

Protocol type: MODBUS or JBUS.

Baud rate: programmable from 600 to 19200 BAUD.

Byte format: 8 bit.

Parity: even, odd or none programmable.

Stop bit: one.

Address: from 1 to 255.

Output voltage levels: according to EIA standard.

MAINTENANCE

1)REMOVE POWER FROM THE POWER SUPPLY TERMINALS AND FROM RELAY OUTPUT TERMINALS

2)Remove the instrument from case.

3)Using a vacuum cleaner or a compressed air jet (max. 3 kg/cm2) remove all deposit of dust and dirt which may be present on the louvers and on the internal circuits trying to be careful for not damage the electronic components.

4)To clean external plastic or rubber parts use only a cloth moistened with:

-Ethyl Alcohol (pure or denatured) [C2H5OH] or

-Isopropil Alcohol (pure or denatured)

[(CH3)2CHOH] or

- Water (H2O)

5)Verify that there are no loose terminals.

6)Before re-inserting the instrument in its case, be sure that it is perfectly dry.

7)re-insert the instrument and turn it ON.

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LHL-1-NEUTRO.pmd 24 19/04/2004, 15.07