TC-IDD321 | Honeywell 24 VDC, 32-Point Discrete Input Module

The Honeywell TC-IDD321 module is a high-performance, discrete input module designed for use in industrial control systems, providing 32 input channels with robust isolation and compatibility features.

Key Specifications

Inputs

Number of Inputs: 32 (16 points/common).
On-State Voltage Range: 10-31.2 VDC (at 60°C, all channels).
Nominal Input Voltage: 24 VDC.
On-State Current (Minimum): 2 mA.
Off-State Voltage (Maximum): 5 V.
Off-State Current (Maximum): 1.5 mA.

Isolation Voltage

Channel-to-Channel Isolation: Tested at 1500 VDC for 1 second.
User-to-System Isolation: Tested at 1500 VDC for 1 second.

Input Delay Time

Off to On:
- Hardware delay: 1 ms maximum.
- Programmable filter options: 0 ms, 1 ms, or 2 ms.
On to Off:
- Hardware delay: 1 ms maximum.
- Programmable filter options: 0 ms, 1 ms, 2 ms, 9 ms, or 18 ms.

Power Specifications

Power Dissipation: 6.1 W maximum.
Short/Inrush Current: 250 mA peak (decays to <37% in 22 ms, without activation).

Compatibility

Input Compatibility: IEC Type 1+.
Connection Terminal Blocks: TC-TBCH, 36-position terminal block.

Backplane Current

Refer to module power consumption data for detailed backplane current requirements.

Additional Features

Robust design for industrial environments.
Flexible input filtering for noise suppression.
High isolation ensures reliable operation and protection against electrical noise.
Compatible with Honeywell control systems, offering seamless integration.

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