Quick Start; Port Connection; Rs485 Connection; Analog Input Connection - Ebyte E821-RTU User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd

E821-RTU (0400-ETH)User Manual

1. Quick start

This chapter is a quick introduction to E821-RTU (0400-ETH). It is recommended that users carefully read this

chapter and follow the instructions before using the product. It will have a systematic understanding of the product, and

users can also choose the one you are interested in according to your needs. For specific details and instructions, please

refer to the following sections.

The E821-RTU device has a master-slave mode and can be cascaded by the RS485 port.

Note: 120R (matching resistor) is added and not added according to the actual line matching (default is not added).

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