Maintenance - ero electronic LFS Manuel De Service

SERIAL COMMUNICATION INTERFACE SERIAL COMMUNICATION INTERFACE SERIAL COMMUNICATION INTERFACE SERIAL COMMUNICATION INTERFACE SERIAL COMMUNICATION INTERFACE
Type: RS-485 insulated. Type Type
Type Type
Protocol type Protocol type Protocol type: MODBUS, JBUS, ERO polling/ Protocol type Protocol type
selecting.
Baud rate Baud rate
Baud rate: programmable from 600 to 19200 Baud rate Baud rate
BAUD.
Byte format Byte format Byte format: 7 or 8 bit programmable.
Byte format Byte format
Parity: even, odd or none programmable. Parity Parity Parity Parity
Stop bit Stop bit Stop bit Stop bit Stop bit : one.
Address Address
Address : Address Address
- from 1 to 95 for ERO protocol
- from 1 to 255 for all the other protocols
Output voltage levels Output voltage levels Output voltage levels Output voltage levels Output voltage levels: according to EIA standard.
LFS-1-CC.P65 32

MAINTENANCE

MAINTENANCE MAINTENANCE MAINTENANCE 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/cm ) remove all deposit of dust and
2
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) [C
- Isopropil Alcohol (pure or denatured)
[(CH ) CHOH] or
3 2
- Water (H O)
2
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.
GB GB GB GB GB 32
13/07/2004, 14:40
H OH] or
2 5