Choosing RS485 or Modbus IoT Devices
Compare IoT hardware for South African projects.
Which products use RS485 or Modbus?
Compare 24 products that list RS485 or Modbus in their product details. Check each model’s specification and connectivity before choosing.
What should I compare?
- Confirm that RS485 or Modbus appears explicitly in the product details.
- Distinguish the device's IoT connectivity from its wired sensor or equipment interface.
- Compare exact specification and package information where shown.
- Check wiring, protocol and register requirements before choosing.
How do the options differ?
RS485 is a physical communication interface, while Modbus is a protocol that can use an RS485 link. An RS485 or Modbus reference alone does not prove every implementation detail of the other.
A practical decision path
- Confirm whether the project requires RS485, Modbus or both.
- Keep only products whose details explicitly state the required term.
- Compare their IoT connectivity and confirm wiring and protocol details before choosing.
Compare products
Compare selected models
View up to 16 products for this guide.
| Compare | RS485-LN | RS485-LB | RS485-LB2 | RS485-LS | RS485-KS-GE | RS485-KS-1T | RS485-KN-GE | RS485-KN-1T | RS485W-LB | RS485W-LB2 | RS485W-LS | DR-SE-6P | WSC2-L | WSS-21 | WSS-22 | WSS-23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary function | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | RS485 IoT Node | Smart Agriculture | Smart Weather Station | Smart Weather Station | Smart Weather Station | Smart Weather Station |
| Connectivity | LoRaWAN | LoRaWAN | LoRaWAN | LoRaWAN | LTE CAT 1 | LTE CAT 1 | LTE CAT 1 | LTE CAT 1 | LoRaWAN | LoRaWAN | LoRaWAN | Not stated | LoRaWAN | RS485 for WSC2 | RS485 for WSC2 | RS485 for WSC2 |
| Power | 8500 mAh battery | 8500 mAh battery | 19000 mAh battery | a solar panel and 3000 mAh Li-ion battery | a solar panel and 3000 mAh Li-ion battery | a solar panel and 3000 mAh Li-ion battery | 1000 mAh rechargeable Li-ion battery | 1000 mAh rechargeable Li-ion battery | 8500 mAh battery | 19000 mAh battery | a solar panel and 3000 mAh Li-ion battery | Not stated | 1000 mAh rechargeable Li-ion battery | Not stated | Not stated | Not stated |
| Sensor or probe arrangement | Not stated | Not stated | Not stated | Not stated | Not stated | Not stated | Not stated | Not stated | external RS485 and Modbus sensor connections | external RS485 and Modbus sensor connections | external RS485 and Modbus sensor connections | Not stated | Not stated | Not stated | Not stated | Not stated |
| Price | R 1 259,27 | R 1 266,30 | R 1 430,45 | R 1 493,77 | R 1 868,97 | R 2 509,15 | R 1 728,27 | R 2 368,45 | R 1 479,70 | R 1 643,85 | R 1 650,88 | R 1 684,18 | R 1 897,34 | R 2 516,19 | R 2 046,48 | R 3 197,64 |
What should I do next?
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