Elo TouchSystems E06G Скачать руководство пользователя | Manualshive

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RS-232/RS-485 Converter with HW and Automatic

Control without Galvanic Isolation of the Interface

ELO E06G

Operation manual

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Содержание E06G

Страница 1: ...RS 232 RS 485 Converter with HW and Automatic Control without Galvanic Isolation of the Interface ELO E06G Operation manual ...

Страница 2: ...ace range is limited to 15m distance RS 485 interface signals transmission enables to increase communication range transmission interference immunity and communication partners number 1 1 Use of the converter The converter increases transmission immunity against electrical disturbance but not against atmospheric electricity influences To lead the cable outside buildings it is necessary to provide ...

Страница 3: ...τ of RTS switching off or TxD return to the neutral polarity Time interval length τ has to be dependent on applied transmission rate because in the automatic mode there it is necessary to keep the transmitter active for the period equal to one byte transmission time In the automatic mode every device that is to transmit has to wait at least for the time τ from the last byte recorded on RS 485 bus ...

Страница 4: ...an be connected via bus see fig with up to 32 partners The RS 485 connector description and the internal passive terminator Contact 1 2 3 4 5 6 7 8 9 Signal TAU1 TAU2 TxRx RTSpol GND TAU3 T TxRx Supp Internal terminator 1k5 Totally correct RS 485 bus handling is shown in the picture RS 485 link must be termina ted at both ends The resistors called passi ve terminators must be connected between A a...

Страница 5: ...nal resistor 680 Ω jumper 7 3 and one external resistor 680 Ω between 5 and 8 contacts 3 3 Converter setting To work properly the converter needs time out setting τ For this case there are contacts TAU1 TAU2 and TAU3 numbers 1 2 and 6 on the RS 485 connector How to use them is shown at the table below Data rate 2 1 6 4800 not used not used not used 9600 not used 19200 not used 56k 38400 not used 2...

Страница 6: ...tant 0 1 to 2 5 ms Power supply external DC supply 6 24V 100mA Minimum max supply voltage 6 24 V Connector EIAJ 2 35mm and RS 485 connector Isolation between interfaces without galvanic isolation Permissible over voltage on the the line must not be exposed to the line under ČSN 33 0420 atmospheric discharge influences Required link impedance 100Ω 4 2 Other Range 1200m double wire link Maximum tran...

Страница 7: ...e terminal to the 5 contact of the DC power supply of 5 to 9 V on the RS 232 connector The voltage of c 2 3V has to be on the 3 8 contacts of the RS 485 connector 6 0 Troubleshooting Symptom Action Converter does not work Check if the link is connected properly after installation Check if 3 8 contacts are not changed Check the power supply Check RS 232 connection and RTS polarity Check if the time...

Страница 8: ...ELOE06GZKE001 8 ...

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