Honeywell TC-IDD321 Experion LS I/O 24 VDC Digital Input Module

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Produsen: Honeywell
Nomor Produk: TC-IDD321
Negara asal:Amerika Serikat
Jenis Produk: Digital Input Module
Pembayaran: T/T, Western Union
Berat: 2000g
Dimensi: 18.5 x 15.0 x 6.2 cm
Pelabuhan pengiriman: Xiamen
Garansi: 12 bulan

Product Overview

The Honeywell TC-IDD321 serves as a high-density discrete interface within the Experion LS control system architecture. This module provides 32 digital input channels configured in two isolated groups of 16 points per common, allowing clean interfacing with dry contacts, proximity sensors, and electronic switches. Operating with a nominal input voltage of 24 VDC, it integrates IEC Type 1+ input compatibility to secure clear signaling thresholds and superior electrical noise rejection within standard Chassis Input/Output Modules Series A (CIOM-A) backplane platforms.

Key Features

High-density 32-point architecture optimizes backplane slot efficiency.
Isolated common groups (16 points per common) mitigate group-to-group loop cross-talk.
IEC Type 1+ compliant circuit characteristics provide precise state detection thresholds.
Galvanic isolation verified at 1500 V DC ensures deep backplane and system processor protection.
Removable connection interface using dedicated 36-position terminal blocks simplifies wiring maintenance.

Industrial Applications

Discrete valve position feedback tracking in petroleum and chemical refining lines.
Field contact and circuit breaker position sensing in power distribution panels.
Safety interlock switch and alarm point monitoring in water and wastewater infrastructure.
Sequence tracking and automated limit switch detection on high-throughput assembly systems.

Technical Specifications

Specification Parameter	Technical Value / Rating
Manufacturer	Honeywell
Model Number	TC-IDD321
System Series	Experion LS I/O
Number of Inputs	32 (16 points per common)
Nominal Input Voltage	24 VDC
Minimum On-State Current	2 mA
Maximum Off-State Voltage	5 V
Maximum Off-State Current	1.5 mA
Power Dissipation	6.1 W max
Input Compatibility	IEC Type 1+
Isolation Voltage (Channel to Channel)	100 percent tested at 1500 V DC for 1 second
Isolation Voltage (User to System)	100 percent tested by 1500 for 1 second
Connection Terminal Blocks	TC-TBNH, 36-position terminal block
Country of Origin	United States
Shipping Weight (Calculated)	2 Kg
Package Dimensions (Calculated)	18.5 x 15.0 x 6.2 cm

Field Installation and Commissioning Guidelines

CRITICAL WARNING: DE-ENERGIZATION PROTOCOL REQUIRED

Isolate and switch off all primary field instrumentation loops and system chassis power prior to executing module alignment, mechanical insertion, or terminal block coupling. Performing hot insertion or manual wire termination on energized components risks generating electrical arcs, damaging backplane surface traces, or causing unpredictable system process execution.

Chassis Slot Validation: Confirm the target physical slot within the Series A chassis is clean, unbent, and properly aligned. Ensure chassis frame grounding links comply with site automation layouts.

Mechanical Card Seating: Match the internal card guide edges with the upper and lower chassis plastic guides. Press the module smoothly backward until the rear backplane seating connectors lock completely into the rigid passive backplane.

Terminal Block Interfacing: Wire discrete contact sensing pairs to the TC-TBNH 36-position removable block using standard field wiring configurations. Secure the terminal assembly directly over the front card layer.

Signal Loop Auditing: Apply the nominal 24 VDC source to the discrete field devices. Audit electrical loop current to guarantee active on-state channels pull at least 2 mA through the module sensing logic.

Key Features:

#Digital Input Modules #Experion LS

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Which terminal block is required to connect field wiring to this input card?

This module uses the TC-TBNH 36-position terminal block to safely land external discrete field wiring.

How are the input points grouped for isolation purposes?

The 32 channels are split into two independent, galvanically isolated groups, providing 16 points per shared common return.

What are the precise minimum electrical criteria for an active state?

A channel registers a clear on-state condition when the circuit current reaches a minimum threshold of 2 mA at 24 VDC nominal voltage.

What specific input classification standard does this module circuit meet?

The monitoring hardware complies with the strict threshold guidelines set by the IEC Type 1+ discrete standard.

Pengiriman Ekspres Global

Pengiriman Standar: 4-6 Hari Kerja melalui DHL, FedEx, dan UPS.
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Pengembalian & Garansi

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TECHNICAL SPECIFICATIONS

Color pattern	Hitam
Country of origin	Amerika Serikat
Power source	Daya DC

Honeywell TC-IDD321 Experion LS I/O 24 VDC Digital Input Module