Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Honeywell TK-IDD321 is a high-density 32-point discrete input module designed to interface 24 VDC signals from field devices. It’s engineered for industrial automation systems requiring compact and reliable digital input capability, and is compatible with Honeywell’s Experion PKS and C200/C300 control systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | TK-IDD321 |
| Type | Digital Input Module |
| Input Type | 24 VDC, Non-Isolated |
| Number of Input Channels | 32 |
| Input Voltage Range | 18–30 VDC |
| Input Signal Level (High) | ≥15 VDC |
| Input Signal Level (Low) | ≤5 VDC |
| Input Current | 4.2 mA typical @ 24 VDC |
| Response Time | <5 ms |
| Channel-to-Channel Isolation | No (common return) |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5% to 95% non-condensing |
| Dimensions (W x H x D) | 35 x 142 x 145 mm |
| Weight | 0.24 kg |
| Mounting | Module rack (standard) |
| Coating | Yes (conformal coated for harsh environments) |
Applications
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Factory Automation – Monitoring machine states and limit switches
-
Process Industries – Interfacing digital field signals like on/off valves
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Energy Sector – Used in control systems for substations and utilities
-
Chemical Plants – Integrating with control logic for digital sensor feedback
Key Advantages
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High Density – 32 input channels in a single compact module
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System Integration – Seamless with Honeywell C200/C300 controllers
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Reliability – Industrial-grade design with protective coating
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Compact Footprint – Saves space in I/O cabinets
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Fast Response – Suitable for time-critical applications
Frequently Asked Questions (FAQ)
Q1: What type of signals does the TK-IDD321 accept?
A1: It accepts 24 VDC discrete signals.
Q2: How many inputs does the module provide?
A2: It offers 32 discrete input channels.
Q3: Does this module support isolated inputs?
A3: No, the inputs share a common return.
Q4: Can this module operate in high-humidity environments?
A4: Yes, up to 95% non-condensing humidity.
Q5: Is the module coated for harsh environments?
A5: Yes, it comes with a conformal coating.
Q6: What control platforms is it compatible with?
A6: It is used with Honeywell C200/C300 and related systems.
Q7: What is the typical input current per channel?
A7: Approximately 4.2 mA at 24 VDC.
Q8: What is the response time of the module?
A8: Less than 5 milliseconds.
Q9: Can it be used in outdoor installations?
A9: It’s not designed for direct outdoor use; enclosure is required.
Q10: Is configuration software required?
A10: Configuration is done through Honeywell’s control system environment.
Related Models
| Model Number | Description | Input/Output Type | Channels | Voltage | Coated | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|---|
| TK-IDD161 | Discrete Input Module | 24 VDC Input | 16 | 24 VDC | Yes | 35x142x145 | 0.22 kg |
| TK-IDJ161 | Isolated Discrete Input Module | 24 VDC Isolated Input | 16 | 24 VDC | Yes | 35x142x145 | 0.23 kg |
| TK-IDX161 | Diagnostic Discrete Input Module | 10–30 VDC Input | 16 | 10–30 VDC | Yes | 35x142x145 | 0.25 kg |
| TK-IDK161 | AC Input Module (Isolated) | 120 VAC Input | 16 | 120 VAC | Yes | 35x142x145 | 0.26 kg |
| TK-ODD321 | Discrete Output Module | 24 VDC Output | 32 | 24 VDC | Yes | 35x142x145 | 0.24 kg |
| TK-ODA161 | AC Output Module | 120/220 VAC Output | 16 | 120/220 VAC | Yes | 35x142x145 | 0.27 kg |
Popular Honeywell Models
| Model Number | Description | Type | Channels | Voltage | Coated | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|---|
| 8C-PAOHA1 | Analog Output with HART | Analog Output | 8 | 0–20 mA | No | 45x138x150 | 0.30 kg |
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| 8C-TAIDA1 | Analog Input IOTA | Analog Input | 8 | 0–20 mA | No | 45x138x150 | 0.28 kg |
| 8C-PDILA1 | Digital Input Module | Discrete Input | 16 | 24 VDC | No | 45x138x150 | 0.27 kg |
| 900SP1-0200 | HC900 Expansion Processor | Expansion Processor | N/A | N/A | No | 52x205x132 | 0.75 kg |
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