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Product Introduction
The Honeywell FS-TRO-1024 Relay Output Module is a high-performance output device designed for industrial safety and automation systems. With 10 independent relay output channels, it enables reliable control of external equipment such as actuators, solenoids, contactors, and alarms. The module is engineered for applications that demand fault tolerance, safety compliance, and high availability.
It is part of Honeywell’s Fail-Safe Controller platform, which emphasizes safe signal switching in mission-critical environments. Each relay channel is isolated and provides robust switching capacity, ensuring that signals remain stable under varying load conditions. The FS-TRO-1024 is built with industrial-grade materials and designed for long-term reliability in demanding environments.
Product Specifications
| Parameter | Description |
|---|---|
| Model | Honeywell FS-TRO-1024 |
| Function | Relay Output Module |
| Number of Channels | 10 independent relay outputs |
| Output Type | Form C relay contacts |
| Contact Rating | 5 A at 24 VDC / 250 VAC |
| Isolation | 1500 V channel-to-channel and channel-to-system |
| Switching Time | < 10 ms |
| Power Supply | 24 VDC nominal |
| Communication | Backplane interface with safety system |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% – 95% non-condensing |
| Housing Material | Industrial-grade polycarbonate with reinforced metal |
| Mounting | DIN rail |
| Dimensions | 150 × 120 × 40 mm |
| Weight | 0.68 kg |
Product Applications
The FS-TRO-1024 module is designed for a wide range of industrial automation and safety applications, including:
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Emergency shutdown systems (ESD) in oil & gas and petrochemical industries
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Control of pumps, compressors, and turbines in process plants
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Switching of alarms, warning systems, and signal lamps
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Safe actuation of relays, solenoids, and contactors in safety-critical machinery
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Power interlocking and load shedding operations
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Integration with Honeywell Safety Manager and Fail-Safe Controllers
Product Advantages
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High Channel Density – Provides 10 relay outputs in a single compact module.
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Safety Compliance – Designed to meet SIL 2/3 requirements for safety applications.
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Electrical Isolation – Channel-to-channel isolation ensures reliable performance under electrical noise.
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Fast Switching Response – Ensures quick and precise actuation of external equipment.
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Robust Design – Built with durable housing and industrial-grade relays for long service life.
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Seamless Integration – Fully compatible with Honeywell’s Fail-Safe Controller and safety platforms.
Frequently Asked Questions (FAQ)
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How many relay output channels does the FS-TRO-1024 provide?
The module provides 10 isolated relay output channels, each capable of independent control of external devices. -
What type of relay contacts are used in this module?
The FS-TRO-1024 uses Form C (changeover) relay contacts, allowing normally open and normally closed configurations. -
What is the maximum switching capacity of each relay channel?
Each relay can switch up to 5 A at 24 VDC or 250 VAC, suitable for controlling actuators, alarms, and contactors. -
Are the relay channels electrically isolated from each other?
Yes, each channel is isolated with up to 1500 V, ensuring safe operation and preventing cross-channel interference. -
What is the typical switching time of the relay outputs?
The average switching time is less than 10 milliseconds, allowing fast and reliable response in control systems. -
Does the module provide diagnostic feedback for relay status?
Yes, the FS-TRO-1024 includes feedback mechanisms for monitoring the relay states and detecting output failures. -
Can this module be used in SIL 3 safety applications?
Yes, it is designed for use in SIL 2 and SIL 3 systems, making it suitable for high-integrity safety operations. -
What type of power supply is required for this module?
The module operates on a nominal 24 VDC power supply provided through the system backplane. -
Is this module compatible with Honeywell’s Fail-Safe Controller (FSC)?
Yes, it is fully compatible and integrates seamlessly with Honeywell FSC and other safety platforms. -
What protective features are built into the relays?
The relays are designed with arc suppression and overload protection, ensuring safe switching even under high load conditions.
Recommended Related Models (Same Series or Similar)
| Model | Description | Channels | Contact Rating | Weight |
|---|---|---|---|---|
| FS-RO-1024 | Relay Output Module | 10 | 5 A at 24 VDC / 250 VAC | 0.68 kg |
| FS-TRO-1024 | Trip Relay Output Module | 10 | 5 A at 24 VDC / 250 VAC | 0.68 kg |
| FS-AI-1104 | Analog Input Module | 4 | ±10 V / 4–20 mA | 0.55 kg |
| FS-DI-1616 | Digital Input Module | 16 | 24 VDC inputs | 0.60 kg |
| FS-DO-1616 | Digital Output Module | 16 | 24 VDC outputs | 0.62 kg |
| FS-SAI-0410 | Safe Analog Input Module | 4 | 4–20 mA / 0–10 V | 0.57 kg |
Popular Honeywell Models
| Model | Description | Application | Weight |
|---|---|---|---|
| CC-PDIL01 | Digital Input Module | Process automation | 0.65 kg |
| CC-PDOB01 | Digital Output Module | Field device control | 0.66 kg |
| CC-TDIL01 | Redundant Digital Input Module | Safety-critical inputs | 0.70 kg |
| CC-TDOB01 | Redundant Digital Output Module | Safety-critical outputs | 0.71 kg |
| FC-SDI-1624 | Safety Digital Input Module | SIL-rated applications | 0.64 kg |
| FC-SDO-0824 | Safety Digital Output Module | SIL-rated control | 0.68 kg |
