Honeywell CC-TAOX01

Technical Specifications

• Output Channels: 16 analog output channels
• Output Signal Range: 4–20 mA
• Output Ripple: < 100 mV peak-to-peak at power line frequency (across 250 Ω load)
• Output Temperature Drift: 0.005% of full scale per °C
• Calibrated Accuracy: ±0.35% of full scale (at 25°C, including linearity)
• Output Current Linearity: ±0.05% of full scale nominal
• Maximum Resistive Load: 800 Ω (at 24 V DC supply)
• Settable Output Range: 0 mA, 2.9 mA to 21.1 mA
• Operating Temperature: -40°C to +70°C
• Humidity Range: 5% to 95% non-condensing
• Form Factor: 6-inch non-redundant IOTA

Functional Features

• Two-level detachable terminal design for easy field wiring
• Integrated output protection against short circuits and overloads
• Compatible with Series C high-level analog output I/O modules
• Optimized signal path for minimal output distortion
• Supports HART communication pass-through for smart field devices
• Vertical mounting design for efficient cabinet space utilization

Application Scenarios

• Control valve and actuator signal termination in process control systems
• Flow, pressure and temperature regulation loop output interfaces
• General industrial analog control signal distribution
• Manufacturing line actuator control systems
• Standard DCS analog output I/O expansion

Working Principle

The IOTA routes analog output signals from the plug-in I/O module to field actuators through terminal blocks. The I/O module receives digital commands from the C300 controller, converts them to 4-20 mA analog signals, and delivers them through the IOTA terminals to field devices. HART communication signals are superimposed on the analog output for smart device configuration and diagnostics.

Installation Requirements

• Install vertically in Series C control cabinet I/O chassis
• Plug corresponding analog output IOM into the rear connector of the IOTA
• Connect field actuator wiring to front terminal blocks; observe correct polarity
• Ensure load resistance per channel does not exceed the maximum rating
• Ground the chassis and cable shields properly to minimize interference

Usage Precautions

• Do not connect capacitive or inductive loads without appropriate surge suppression
• Verify loop resistance before commissioning to ensure output compliance
• Follow electrostatic discharge handling procedures when installing modules
• Do not exceed the maximum ambient temperature and humidity ratings
• Periodically inspect output terminals for corrosion and loose connections