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Honeywell CC-TDI220 51308394-275 Digital Input Module

The Honeywell CC-TDI220 51308394-275, also cataloged as the CC-TDI220 Digital Input Module, operates as a dedicated hardware component for processing 220 VAC discrete field input signals within Honeywell control system I/O architectures.

Hardware Specifications

Parameter	Specification
Model	CC-TDI220 51308394-275
Brand	Honeywell
Product Type	Digital Input Module
Origin	USA
Weight	0.35 kg
Dimensions	22 x 12 x 6.5 cm
Operating Temp	Not specified
Power Consumption	Sense current: 1.11 mA RMS
Input Type	220 VAC Digital Input
Module Configuration	NonRedundant
Nominal Voltage	240 VAC
Digital Input Power Range	180-264 V AC RMS
Pick Up Voltage	180 VAC RMS
Drop Out Voltage	50 VAC RMS
Frequency Range	47-63 Hz
Absolute Delay Across Input Filter and Isolation	25 ms maximum
Isolation Rating	1500 VAC RMS or +/-1500 VDC
Internal Diagnostics	Internal diagnostics for data integrity monitoring
Tariff Code	8537101190
Shipment Location	Xiamen, China

Honeywell DCS Signal Integrity and Channel Isolation

The CC-TDI220 incorporates electrical input conditioning for high-voltage discrete field signals. The module supports 220 VAC level sensing with defined pickup and dropout thresholds to distinguish field device states. Channel isolation circuitry provides separation between field wiring and internal control electronics.

For Honeywell process control environments, I/O modules are typically integrated with DCS signal handling methods including channel-to-channel isolation, loop signal validation, and controlled field interface termination. These characteristics support stable acquisition of binary process states from connected electrical devices.

Frequently Asked Questions

Q: What type of field signals can the CC-TDI220 process?
A: The CC-TDI220 is designed for 220 VAC digital input signals with an operating input range of 180-264 V AC RMS.

Q: Does the CC-TDI220 provide electrical isolation between field input and control electronics?
A: Yes. The module provides isolation rated at 1500 VAC RMS or +/-1500 VDC between input circuits and internal electronics.

Q: Is the CC-TDI220 configured as a redundant input module?
A: No. The provided specification identifies the module configuration as NonRedundant.

Field Installation Guidelines

• Install the module within the designated Honeywell I/O termination and control hardware assembly according to the applicable system installation manual.
• Verify field wiring polarity and voltage level before connecting 220 VAC discrete input circuits.
• Maintain separation between high-voltage field wiring and low-level instrumentation signal cables to reduce electrical interference.
• Connect cable shields according to the site grounding standard and avoid creating unintended ground loops.
• Confirm terminal connections are mechanically secured before system commissioning.
• Verify input state transitions after installation by applying known field conditions and checking corresponding controller status feedback.

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