4-Channel Analog Output Module

I/O Module、、、、、

Y301-0004 4AO Modbus Analog Output Module

Model: Y301-0004

Key Features

  • Four analog outputs configurable for 0–10 V or 4–20 mA with 12-bit DAC

  • Per-channel slew rate, safe value, and remote override settings

  • Supports linear scaling (register ×0.001) and watchdog fallback

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Overview

14-bit Modbus-RTU analog output concentrator delivering four 0–10 V or 4–20 mA channels for HVAC, OEM, and building automation systems.

Key Features

  • Four analog outputs configurable for 0–10 V or 4–20 mA with 12-bit DAC

  • Per-channel slew rate, safe value, and remote override settings

  • Supports linear scaling (register ×0.001) and watchdog fallback

  • 7–30 VDC supply, reverse polarity guard, RS485 Modbus-RTU/ASCII

Specifications

Power SupplyVoltageDC 12~30V
Typical Current≈11 mA @ 24V
Operating Temperature-40°C ~ +85°C
Humidity0~95% RH
Analog OutputsChannels4
Resolution14-bit
Voltage Mode0–10V (0–10000 code)
Current Mode4–20 mA (4000–20000 code)
Accuracy±0.03% FS @25°C
Update RateHost-dependent via Modbus writes
CommunicationInterfacesRS485 (A/B/GND) or RS232 (TX/RX/GND)
ProtocolModbus RTU / ASCII
Baud Rate2400–115200 bps (9600 default)
Slave Address1–255 (broadcast 254 reserved)
MechanicalDimensions100 × 70 × 35 mm
Mounting35 mm DIN rail
ProtectionIP20, UL94 V-0 enclosure

Documentation & Support