Honeywell CC-TAID11

Technical Specifications

• Input Channels: 16 channels (12 single-ended / 4 differential)
• Input Signal Types: 0–5 V, 1–5 V, 0.4–2 V, 4–20 mA (via 250 Ω resistor)
• Common-Mode Rejection Ratio: 70 dB (dc to 60 Hz)
• A/D Resolution: 16-bit (per IOM)
• Accuracy: ±0.075% of full scale (at 23.5±2°C)
• Input Impedance (Voltage Mode): > 10 MΩ
• Isolation Voltage: 1500 VDC channel-to-channel
• Power Consumption: 2.5 W (typical, with dual IOMs)
• Operating Temperature: -40°C to +70°C
• Dimensions: 118 mm × 32 mm × 105 mm
• Weight: 0.3 kg

Functional Features

• Supports dual I/O module installation for 1:1 channel redundancy
• Differential input design for superior common-mode noise rejection
• Two-level detachable terminals for easy field wiring and maintenance
• Integrated current limiting and surge protection per channel
• Compatible with Series C high-density analog input modules
• Optimized thermal design for reliable operation in extended temperature ranges

Application Scenarios

• Critical process control loops requiring high availability
• Safety instrumented systems (SIS) and emergency shutdown systems
• Oil and gas production and refining process monitoring
• Power generation boiler and turbine control systems
• Pharmaceutical batch process critical variable monitoring

Working Principle

The redundant IOTA base accepts two identical analog input I/O modules. Field signals are routed in parallel to both modules, which independently perform signal conditioning and A/D conversion. The C300 controller receives data from both modules and selects the valid signal, providing seamless failover if one module experiences a fault.

Installation Requirements

• Mount on standard DIN rail or Series C cabinet mounting bracket
• Install two identical analog input IOMs for full redundancy
• Connect field wiring to detachable terminal blocks; observe correct polarity
• Power is supplied through the IOTA backplane from the control system
• Ensure proper shielding and grounding for all analog signal cables

Usage Precautions

• Use matched I/O modules from the same firmware revision for redundant operation
• Do not remove both IOMs simultaneously during operation to avoid process interruption
• Verify terminal connections are secure to prevent signal loss on redundant channels
• Follow ESD protection guidelines when handling electronic modules
• Periodically test redundancy switchover function during scheduled maintenance