Wiki source code of Use RS485-BL or RS485-LN to connect to RS232 devices.
Version 3.1 by Edwin Chen on 2022/06/03 17:28
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| 1 | {{box cssClass="floatinginfobox" title="**Contents**"}} | ||
| 2 | {{toc/}} | ||
| 3 | {{/box}} | ||
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| 5 | = Connection = | ||
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| 7 | [[RS485-LN>>https://www.dragino.com/products/lora-lorawan-end-node/item/154-rs485-ln.html]] and [[RS485-BL>>https://www.dragino.com/products/lora-lorawan-end-node/item/167-rs485-bl.html]] don't have RS232 Interfaces, So users can't connect them directly to RS232 sensors. User can use RS485 or TTL to RS232 converter for the connection purpose. | ||
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| 10 | Please note RS485-BL support both RS485 and TTL interface. RS485-LN supports RS485 interface only. | ||
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| 13 | Below is the connection. | ||
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| 16 | RS485 to RS232 Converter: Connect RS485 interface to RS485-BL, Connect RS232 port to RS232 sensor. | ||
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| 18 | [[image:image-20220603172402-1.png]] | ||
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| 21 | RS232 to TTL Adapter: RS232 connect to RS232 Device， TTL Connect to RS485-BL | ||
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| 23 | [[image:image-20220603172650-2.png]] | ||
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