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- Honeywell
- FC-TDOL-07120
- Digital Output FTA Loop Monitoring
- USA
- 240 mm × 109 mm × 71 mm
- 1kg
- Xiamen, China
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Product: Honeywell FC‑TDOL‑07120
1. Parameters (Technical Specifications)
| Parameter | Value |
|---|---|
| Model | FC‑TDOL‑07120 |
| Product Type | Digital Output Field Termination / Digital Output Module with Line / Loop Monitoring |
| Number of Output Channels | 7 |
| Output Type | Fused relay contact outputs |
| Output Supply Voltage | 120 V AC or 120 V DC (± 20 %) |
| Maximum Output Current per Channel | 2 A at 120 V AC |
| Maximum Switch Load per Channel | Resistive or inductive load, up to 240 VA or 150 W per channel |
| Fuse Rating | 2 A (for each output channel) |
| Max Switched Power (total or per spec) | ~240 VA / 150 W per channel, with ratings for many operations |
| Expected Electrical Switch Life | ~100,000 operations |
| Expected Mechanical Switch Life | ~30,000,000 operations |
| Line / Loop Monitoring | Yes — each output channel has line monitoring circuits; monitored via associated input module channels |
| LED Indicators | Yes — each relay / output has LED status indication |
| Approvals / Certifications | CE, UL, CSA, TUV |
| Operating Temperature Range | −40 °C to +85 °C |
| Storage Temperature Range | (not always specified) — often similar or slightly broader, e.g. −40 °C to +85 °C or lower |
| Dimensions (L × W × H) | 240 mm × 109 mm × 71 mm |
| Weight | ~1.0 kg |
| Mounting / Enclosure | Field terminal block type, conformal coated / robust insulation; installed in control rack or cabinet as part of I/O field termination assemblies |
2. Product Introduction
The FC‑TDOL‑07120 is a robust industrial digital output module designed for use in automation, safety, and control systems where loads need to be driven with high voltage (120 V AC or DC) and with precise loop or line monitoring. The module provides seven fused, relay‑contact outputs, each capable of switching resistive or inductive loads up to 240 VA or 150 W, while simultaneously offering fault detection or line monitoring per channel.
This module is typically used as a Field Termination Assembly (FTA), interfacing with other Honeywell modules (such as input modules or output driver modules) to implement field output control. The conformal coating and rugged design allow it to perform reliably in harsh environments, with wide temperature tolerance. LED indicators per output relay provide visual feedback of output status.
3. Applications
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Industrial process control where field loads (valves, motors, solenoids, actuators) need switching at 120 V AC or DC.
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Distributed control system (DCS) I/O racks / safety I/O systems.
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Loop / line monitoring of output circuits to catch open circuits, shorts, or cable faults.
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Applications in harsh environmental conditions (moisture, dust, vibration) due to conformal coating and rugged build.
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Facilities requiring high reliability switching and diagnostics (e.g. chemical plants, power plants, oil & gas, manufacturing).
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Integration with other modules for complete automation control (input detection, output switching, safety interlocks, etc.).
4. Advantages
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High load capability: 2 A per channel at 120 V AC with up to 240 VA / 150 W load, both resistive and inductive.
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Line / loop monitoring per channel gives early fault detection and enhances safety and reliability.
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Rugged construction: conformal coating, wide temperature range, robust insulation, suitable for harsh industrial settings.
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Seven fused outputs: protection from overcurrent, simplifies field wiring safety.
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Visual feedback via LEDs for each relay output: operator can quickly see which outputs are active.
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Certifications: CE, UL, CSA, TUV — ensuring compliance with many regulatory and safety standards.
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Long life expectancy (both electrical and mechanical) reduces maintenance frequency and lifecycle cost.
5. Brand
Brand: Honeywell — recognized manufacturer in industrial automation, safety systems, control hardware, and field instrumentation. Known for quality, reliability, compliance, and broad product lines for process control.
6. Product Series
The FC‑TDOL series (or sometimes FS‑TDOL) denotes digital output modules with “loop monitoring” (O “Output”, L “Loop monitoring”) in a Field Termination Assembly (FTA) format, for various voltages (e.g. 24 V DC, 120 V AC/DC), and different channel counts. The “07120” in the name refers to “7 channels, 120 V”. It integrates outputs, monitoring, protective features (fuses), LED feedback, conformal coatings etc.
7. Related Models (Same Series / Similar)
Here are five models in the same or closely related series, or that perform similar functions, with their key parameters for comparison:
| Model | Output Voltage / Type | Channels | Max Current per Channel | Dimensions (L × W × H) | Weight (kg) |
|---|---|---|---|---|---|
| FC‑TDOL‑0724 | 24 V DC, digital output with loop monitoring | 7 | ~2 A | ~ (approx) 240 × 109 × 71 mm | ~1.0 kg |
| FC‑TDOL‑07120P | 120 V AC/DC, similar loop monitoring, maybe with polarization or protection modifications | 7 | ~2 A | similar size (≈ 240 × 109 × 71 mm) | ~1.0 kg |
| FC‑TDO‑1624 | 24 V DC digital output, 16 channels, field termination style | 16 | maybe lower per‑channel current (≈1‑2 A) | larger module (longer, more width) | ~1.5 kg (estimated) |
| FC‑SDOL‑0424C | Safe digital output, loop monitoring, 24 V DC, 4 channels | 4 | lower current per channel (perhaps ~1‑2 A) | smaller, compact | ~0.6‑0.8 kg |
| FC‑TRO‑0824 | Relay output (contact), 8 channels, 24 V DC | 8 | depends, relay contact type; perhaps ~2 A or less | moderate size | ~0.8‑1.0 kg |
8. Other Popular Models from Same Brand (Honeywell)
Here are five other well‐known Honeywell models (in I/O / field termination / output relay / control modules) that are popular, with their key specs for reference and comparison:
| Model | Product Type / Function | Voltage / Type | Channels or Capacity | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| FC‑TDO‑1624 | Digital Output Module, 24 V DC, FTA type | 24 V DC | 16 channels | (approx) 240 × 109 × ~71 mm | ~1.2 kg |
| FC‑TSDO‑0824 | Safe Digital Output (Safety rated), 24 V DC, 8 channels | 24 V DC | 8 channels | somewhat similar width and depth but fewer height due to less circuitry | ~0.9 kg |
| FC‑SDOL‑0424C | Safe output with loop monitoring, 4 channels, 24 V DC | 24 V DC | 4 channels | smaller size (approx half width of 7‑ch module) | ~0.6‑0.7 kg |
| FC‑TIDI‑1624 | Digital Input Module (Isolated / passive inputs), 16 channels, 24 V DC | 24 V DC | 16 inputs | same rack depth, more channels | ~1.1 kg |
| FC‑TERM‑0001 | Bus Terminator for non‑redundant I/O communication bus | N/A (passive) | N/A (terminator) | compact (small board / terminator block) | ~0.2‑0.3 kg |
9. Frequently Asked Questions (FAQ) — QA Format
Below are ten QA items, formatted concisely, “de‑AI‑style” (i.e. direct, practical answers), each separated, and each paragraph ends with a blank line.
Q1: What does “loop monitoring” mean in this module?
A1: It means each output channel is monitored for open or short circuit condition in its line, so the system can detect wiring faults or load failures.
Q2: Can FC‑TDOL‑07120 switch inductive loads (such as solenoids or coils)?
A2: Yes — it is rated for both resistive and inductive loads up to 240 VA / 150 W per channel.
Q3: Is the module compatible with both AC and DC at 120 V?
A3: Yes — the output supply can be either 120 V AC or 120 V DC (±20 %) as per specifications.
Q4: What happens if one channel is overloaded?
A4: Each channel is fused (2 A fuse). Overload should blow the fuse, protecting module and cable.
Q5: Is there visual indication of which relay outputs are active?
A5: Yes — there are LED indicators associated with the relay outputs so you can see status directly.
Q6: What are the proper mounting conditions / environment limits?
A6: Operating temperature from −40 °C to +85 °C. Use in enclosure, clean environment or conformal coating helps resist moisture/dust.
Q7: How many channels are there, and how are they organized?
A7: Seven output channels; each channel corresponds to a fused relay output.
Q8: What is the life‐expectancy of the relays?
A8: Approximately 100,000 electrical switching operations and 30,000,000 mechanical operations.
Q9: Must the outputs be resistive, or can they be inductive loads?
A9: Both are allowed — the module supports resistive or inductive loads up to the stated limits.
Q10: What certifications or safety approvals does the module have?
A10: CE, UL, CSA, TUV.
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