Elo TouchSystems ELO E00X Скачать руководство пользователя | Manualshive

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RS-232 Miniature Converter to Current Loop

ELO E00X

Operation manual

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Содержание ELO E00X

Страница 1: ...RS 232 Miniature Converter to Current Loop ELO E00X Operation manual ...

Страница 2: ...Operation principles 3 3 0 Installation 3 3 1 RS 232 interface connection 3 3 2 Two Modems interconnection 4 3 3 Power Supply Connection 5 4 0 Specifications 5 4 1 Parameters 5 4 2 Other 6 5 0 Testing 6 5 1 Auto test 6 6 0 Troubleshooting 7 7 0 Ordering Information 7 ...

Страница 3: ...nables to span the metallic link of the resistance up to 500 Ohm using the power supply of 12 V 2 0 Operation principles E00X converts TxD signal into the transmitting cable pair of the current loop and the signal from the receiving pair into the RxD thus the full duplex connection is carried out In the idle mode the 20mA current flows through each current loop The maximum transmission rate is 115...

Страница 4: ...ach loop the twisted pair should be applied to limit the radiation and particularly the disturbance from outside Each loop connects one transmitter to one receiver and has to contain a power supply The transmitter or receiver supplies this power most often it is so called active transmitter or receiver whereas the passive receiver is a consumer and the passive transmitter is a current switch that ...

Страница 5: ...r on the converter case or via 8 positive or 4 negative contacts on the current loop connector The power supply of 12V 100mA is used most often E0Q4 type The power supply voltage may be of maximum 24V for one supplied current loop thus up to 50mA 4 0 Specifications 4 1 Parameters RS 232 interface DCE RS 232 connector DB9F Current loop interface transmitter and receiver active passive Current loop ...

Страница 6: ...s 5 0 Testing If interconnected properly both diodes light up on each modem Any simple communication test can be used terminal emulator 5 1 Auto test You can test either single converter or connected to the terminal equipment with the external supply of 12 24 V The DB9M connector contacts are interconnected via two jumpers 7 2 and 9 1 Both diodes must be alight The transmitted sign has to appear i...

Страница 7: ...k if both diodes light after installation Check the power supply Check RS 232 connection Connection in normal Check the power supply operation quit working Check the cable connection Use auto test and find out if the converter is OK 7 0 Ordering Information Supply code is ELO E00X ...

Страница 8: ...ELOE00XZKE001 8 ...

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