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Waveshare TTL to RS485 (C) Galvanic Isolated Converter
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The Waveshare TTL to RS485 (C) Galvanic Isolated Converter is a compact TTL-to-RS485 serial converter designed to convert TTL signals into balanced differential RS485 signals for reliable half-duplex communication. It supports 3.3V to 5V TTL signal levels and provides galvanic isolation for both power and digital signals, helping reduce interference and improve communication stability.
The TTL interface supports a transmission distance of less than 10m, while the RS485 interface can achieve a transmission distance of about 1200m (1.2km). For RS485 networks, it supports point-to-multipoint communication with up to 32 nodes, with repeaters recommended when using 16 nodes or more. The converter also features 200W lightningproof and surge-suppress protection, 6KV ESD protection, TVS transient voltage suppression, a self-recovery fuse, and protection diodes for improved circuit safety.
A 120R terminal resistor is provided and can be enabled through soldering. With dimensions of exactly 42.8 × 15.2 × 4.75mm, this galvanically isolated TTL to RS485 converter is well suited for embedded systems, MCU projects, industrial communication, IoT devices, node expansion, and applications requiring longer-distance serial communication.
| Specification | Details |
|---|---|
| Product Type | Galvanic Isolated TTL to RS485 Converter |
| Power Supply | 3.3V ~ 5V |
| Protection | Over-voltage Protection |
| Device Port | TTL / RS485 Standard Compatible |
| TTL Transmission Distance | Less than 10m |
| TTL Transmission Mode | Point-to-Point |
| RS485 Protection | 200W Lightningproof and Surge-Suppress, 6KV ESD Protection |
| Terminal Resistor | 120R, Enabled via Soldering |
| RS485 Transmission Distance | About 1.2km |
| RS485 Transmission Mode | Point-to-Multipoint |
| Maximum RS485 Nodes | Up to 32 Nodes |
| Repeater Recommendation | Recommended for 16 Nodes or More |
| Dimensions | 42.8 × 15.2 × 4.75mm |
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
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It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
Components are good - nice packing
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While the product has always been good and have never found a faulty one, the experience of purchase from Robocraze has also always been a wonderful one. On time delivery, well packaged, no follow up or reminder, easy tracking etc. Great work team, keep it up !!
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