Y401-99-L 9DI + 9DO LoRa Wireless Digital I/O Module
Y401-99-L is a 9DI + 9DO LoRa wireless digital I/O module for remote switching, pump interlock, industrial equipment control and alarm signal transfer.
- Channels
- 9 DI + 9 relay DO per module
- Input signals
- Passive dry contacts or NPN open-collector; no voltage input
- Topology
- Point-to-point, bidirectional matched pair
- Power supply
- 100–240 V AC
Price per matched pair (2 modules).
Shipping & Tax: Shipping is quoted separately and paid before dispatch. Import duties, taxes, customs fees and destination charges are paid by the customer.
Overview
Y401-99-L is a 9DI + 9DO LoRa wireless digital I/O module for remote switching, pump interlock, industrial equipment control and alarm signal transfer. A typical application uses two matched bidirectional units: each input state is transmitted to the corresponding relay output on the other unit.
Typical applications
- Multi-channel remote switching between separated control panels.
- Pump interlock, industrial equipment control and alarm systems.
- Projects using dry contacts or NPN open-collector signals without a SIM card or Internet connection.
How it works & selection
- A dry-contact closure or active NPN signal on Device A DI activates the corresponding Device B relay output.
- When the input opens, the corresponding remote relay resets.
- The same input-to-output mapping works in reverse from Device B to Device A.
Selection notes
Confirm that the field signal is a passive dry contact or NPN open-collector output. DI is not a voltage input. Confirm the relay load, installation distance, antenna position and whether motors, pumps or other inductive loads require an external contactor.
Sold as one factory-matched pair (2 modules). Each module requires its own local power supply.
Y401 series demonstration
Demonstration with the Y401-22-L model. Channel counts and signal types depend on the selected model.
Technical specifications
| Channels | 9 DI + 9 relay DO per module |
|---|---|
| Input signals | Passive dry contacts or NPN open-collector; no voltage input |
| Topology | Point-to-point, bidirectional matched pair |
| Power supply | 100–240 V AC |
Key Specifications
- 9 NPN or dry-contact inputs and 9 relay outputs per unit.
- LoRa point-to-point communication with a matched bidirectional pair.
- Up to 5 km in standard open-area conditions.
- Fast communication range up to 1 km; this is separate from the standard transmission-distance specification.
- AC 100-240 V supply and maximum 3 W power consumption.
- Relay rating: AC 250 V 5 A or DC 28 V 5 A.
- Dimensions: 56 x 109 x 160 mm; weight: approximately 910 g.
- Operating temperature: -20 to +85 C.
