Six opto-isolated input channels for equipment status acquisition
Y301-600 6-Channel Modbus Digital Input Module
6-Channel Isolated Digital Input Module
Y301-600 reads six opto-isolated digital inputs over RS485 or RS232 Modbus RTU/ASCII, accepting dry contacts or 3.3-24 VDC signals for equipment monitoring.

Key Features
Dry-contact or 3.3-24 VDC active-input wiring
Read discrete input states with Modbus function code 0x02 over RS485 or RS232
Modbus RTU/ASCII with 9600, N, 8, 1 default serial settings
7-30 VDC supply and 35 mm DIN-rail mounting in a 120 x 70 x 35 mm enclosure
Specifications
Power Supply
- Voltage
- DC 7~30V
- Operating Temperature
- -40°C ~ +85°C
Digital Inputs
- Channels
- 6
- Input Type
- Opto-isolated discrete input
- Wiring Mode
- Dry contact / active input
- Active Input Voltage
- 3.3~24V DC
- Read Method
- Function code 0x02 (discrete inputs)
Communication
- Interfaces
- RS485 or RS232 (configuration option)
- Protocol
- Modbus RTU / Modbus ASCII
- Default Serial Format
- 9600, N, 8, 1
- Optional Baud Rates
- 2400 / 4800 / 9600 / 19200 / 38400 bps
- Address Range
- 0-255; address 0 is not for normal communication; broadcast 254 is for single-device setup only
Mechanical
- Dimensions
- 120 x 70 x 35 mm
- Weight
- Approx. 60 g
- Mounting
- 35 mm DIN rail
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