Two SPDT relay outputs rated 125 VAC 0.5 A or 30 VDC 2 A
Y301-020 2-Relay RS485 Modbus Output Module
2DO I/O Module
Y301-020 controls two SPDT relays over RS485 Modbus RTU, with 125 VAC 0.5 A or 30 VDC 2 A contacts and four local rules for timed switching.

Key Features
Up to four local automation rules, two per relay, for pulse, delay, or scheduled control
Modbus RTU over RS485, with optional RS232 or TTL interfaces
Software-configurable address 1-255 and a 5-36 VDC supply
77.4 x 22.5 x 16.2 mm module with DIN-rail or screw mounting; no DO state retention
Specifications
Power Supply
- Voltage
- DC 5~36V
- Typical Current
- 80 mA @ 12 V
- Operating Temperature
- -40°C ~ +85°C
- Humidity
- 5% ~ 95% RH, non-condensing
Digital Outputs
- Channels
- 2
- Type
- SPDT relay
- Contact Rating
- 125 VAC 0.5 A / 30 VDC 2 A
- Electrical Life
- 100,000 cycles
- Output Retention
- Not supported
Communication
- Interfaces
- RS485 (2-wire), optional RS232 or TTL
- Protocol
- Modbus RTU slave
- Baud Rate
- 600~230400 bps (default 9600)
- Slave Address
- 1-255 (software configurable; default 1)
Mechanical
- Dimensions
- 77.4 x 22.5 x 16.2 mm
- Mounting
- DIN rail or screw mounting
Product Documents
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