Product Overview
The Honeywell MU-TDID12 51304441-125 is a 32-channel digital input Field Termination Assembly (FTA) designed for 24 Vdc discrete input signals. It is part / Honeywell’s TPS (TotalPlant Solution) series and provides a reliable, isolated interface between field devices and Honeywell PM/APM/HPM controllers. It ensures precise signal acquisition for process automation applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Digital Input Field Termination Assembly |
| 型号 Number | MU-TDID12 |
| Input Type | 24 Vdc Discrete Digital Input |
| Input Channels | 32 |
| Input Voltage Range | 20–30 Vdc |
| Sense Current (ON) | ≥ 4.5 mA |
| Sense Current (OFF) | ≤ 2.8 mA |
| Pick-Up Voltage (ON) | ≥ 20 Vdc |
| Drop-Out Voltage (OFF) | ≤ 10 Vdc |
| Galvanic Isolation | 1500 Vac RMS / ±1500 Vdc |
| Isolation Type | Optical |
| Max Frequency Response | DC to 15 Hz |
| Mounting Type | Panel-mounted via backplane |
| Dimensions (W×H×D) | 378 × 278 × 28 mm |
| 重量 | 0.62 kg |
| Surge Protection | ANSI/IEEE C37.90.1-1978 compliant |
| Environment | Suitable for G1/G3 conditions |
Applications
Industrial Automation
-
Reliable digital input acquisition for automated manufacturing and production lines.
Power Plants
-
Input monitoring in turbine, boiler, and generator protection systems.
Chemical & Refining
-
Monitoring field switches, status signals, and limit switches in harsh environments.
Water Treatment Plants
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Used for control panel input monitoring, such as tank level switches and motor starters.
Key Advantages
Isolation and Protection
-
Optical isolation and built-in surge protection ensure system safety and signal integrity.
High Channel Density
-
支持s 32 digital inputs per 件, reducing panel space and wiring complexity.
TPS System Compatibility
-
Seamless integration with Honeywell PM/APM/HPM controllers.
Quick Response
-
Fast input recognition for DC signals, enhancing event resolution accuracy.
Maintenance Friendly
-
Plug-and-play style simplifies replacement and minimizes system downtime.
常见问题 (FAQ)
Q1: How many digital inputs does the MU-TDID12 support?
A1: It supports 32 digital input channels.
Q2: What voltage range can it handle for inputs?
A2: It accepts 24 Vdc signals in the 20–30 Vdc range.
Q3: Is the MU-TDID12 optically isolated?
A3: Yes, it features 1500 Vac or ±1500 Vdc optical isolation.
Q4: Can this FTA be used in redundant systems?
A4: Yes, it is compatible with redundant digital input processor configurations.
Q5: What are the sensing current thresholds for ON/OFF states?
A5: ON state ≥ 4.5 mA, OFF state ≤ 2.8 mA.
Q6: Is it suitable for harsh industrial environments?
A6: Yes, it meets G1/G3 environmental standards and includes conformal coating options.
Q7: What protection standard does it meet for surge?
A7: It complies with ANSI/IEEE C37.90.1-1978 surge standards.
Q8: How is this module mounted?
A8: It is panel-mounted and connected via system backplane.
Q9: What is the resolution or scan rate for signal detection?
A9: The typical delay is ≤2.0 ms for a bounceless signal.
Q10: Can the FTA be replaced without shutting down the system?
A10: Yes, when used in a redundant configuration, hot-swap is supported.
Related 型号s (Same Series)
| 型号 Number | 描述 | Channels | Input Type | Dimensions (mm) | 重量 |
|---|---|---|---|---|---|
| MU-TDID52 | 24 Vdc Digital Input FTA (Isolated) | 32 | 24 Vdc | 378 × 278 × 28 | 0.62 kg |
| MU-TDIA12 | 120 Vac Digital Input FTA | 32 | 120 Vac | 378 × 278 × 28 | 0.65 kg |
| MU-TDIA22 | 125 Vdc Digital Input FTA | 32 | 125 Vdc | 378 × 278 × 28 | 0.65 kg |
| MU-TDIA62 | 240 Vac Digital Input FTA | 32 | 240 Vac | 378 × 278 × 28 | 0.66 kg |
| MU-PDIX02 | Digital Input Processor | 32 | Multi-type | N/A | 0.55 kg |
| MU-PDIS12 | Sequence / Events Input Processor | 32 | 24 Vdc | N/A | 0.55 kg |
Popular Honeywell 型号s
| 型号 Number | 描述 | Function | Dimensions (mm) | 重量 |
|---|---|---|---|---|
| MU-PDIX02 | Digital Input Processor | Input Processing | 380 × 250 × 25 | 0.55 kg |
| MU-PDIY22 | 24 Vdc Digital Input Processor | Digital Input | 380 × 250 × 25 | 0.56 kg |
| MU-PDOX02 | Digital Output Processor (16 Channels) | Digital Output | 380 × 250 × 25 | 0.56 kg |
| MU-PAOY22 | Analog Output Processor (16 Channels) | Analog Output | 380 × 250 × 25 | 0.60 kg |
| MU-PAIH03 | High-Level Analog Input Processor | Analog Input | 380 × 250 × 25 | 0.58 kg |
| MU-PSTX03 | Smart Transmitter Interface Processor | Digital/Smart Input | 380 × 250 × 25 | 0.59 kg |
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