Eight DI + eight DO with SPDT relays AC 277 V/10 A or DC 28 V/10 A
Y301-880 8DI+8DO Modbus I/O Module
8DI+8DO I/O Module
Flagship Y301 Modbus-RTU node with eight opto-isolated digital inputs and eight 10A SPDT relays for high-density cabinet automation over RS485 or RS232 buses.
Key Features
DI channels accept dry/wet contact, pulse input, and programmable debounce
Up to sixteen automation scenes support follow, delay, schedule, pulse, and logic
5–36 VDC input, DO retention, RS485/RS232 Modbus with DIP addressing
Specifications
Power Supply
- Voltage
- DC 5~36V
- Typical Current
- 260 mA @ 12V
- Max Current
- 350 mA @ 12V
- Operating Temperature
- -40°C ~ +85°C
- Humidity
- 5~95% RH
Digital Inputs
- Channels
- 8
- Type
- Dry/wet contact, optically isolated
- Voltage Range
- 5~36V (wet mode)
- Sampling Rate
- 100 Hz
- Pulse Counter
- 32-bit per channel
- Debounce
- 5–255 ms (default 50 ms)
Digital Outputs
- Channels
- 8
- Type
- SPDT relays
- Contact Rating
- AC 277V 10A / DC 28V 10A
- Minimum Load
- AC 10V 10 mA
- Switching Time
- <10 ms pickup / <5 ms release
- State Retention
- None / soft reboot / full retention
Communication
- Interfaces
- RS485 (default), RS232 optional
- Protocol
- Modbus-RTU slave
- Baud Rate
- 600–230400 bps (default 9600)
- Slave Address
- 1–255 (software) + DIP offset 0–31
Mechanical
- Dimensions
- 145 × 90 × 40 mm
- Mounting
- 35 mm DIN rail or screw slots
- Protection
- IP20, UL94 V-0 enclosure
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