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- Honeywell
- FS-SDOL-0424
- Digital Output Module
- USA
- 95 mm × 95 mm × 30 mm
- 0.18kg
- Xiamen, China
- New & In Stock
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✅ Product Overview: Honeywell FS‑SDOL‑0424
🏷 Product Introduction
The FS‑SDOL‑0424 is a safe, loop‑monitored digital output module designed for use in safety instrumented systems (SIS) and industrial control architectures. It features 4 independent output channels, each outputting 24 V DC, with integrated diagnostics for open circuits, short circuits, and loop integrity. The “SDOL” designation indicates that the outputs are loop‑monitored to detect wiring faults. This module is intended to ensure that output channels reliably revert to a safe (off) state on detection of failure or loss of control, making it suitable for critical process safety applications.
Its robust design, diagnostic capabilities, and compatibility with safety PLC systems make it a key component in safety logic chains in sectors like chemical processing, power generation, petrochemical, and other industries requiring high reliability.
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Model | FS‑SDOL‑0424 |
| Number of Output Channels | 4 |
| Output Voltage | 24 V DC |
| Max Output Current per Channel | 1.0 A |
| Module Maximum Load | 3.6 A (total dissipation limit) |
| Voltage Drop @ 1 A | < 1.3 V |
| Off‑State Leakage Current | < 0.1 mA |
| Maximum Inductive Load | 0.5 H |
| Maximum Capacitance Load | 1 µF |
| Overload Detection Threshold | > 10 Ω |
| Cold Resistance Lamp (min) | > 20 Ω |
| Watchdog Input Current | 4 mA |
| Power Supply Requirements | 5 V DC logic ~15 mA; 24 V DC internal ~50 mA; 24 V DC external ~15 mA (no load) |
| Operating Temperature | −40 °C to +85 °C |
| Storage Temperature | −40 °C to +85 °C |
| Insulation Resistance | ≥ 100 MΩ |
| Dielectric Withstand Voltage | 1500 VAC |
| Mounting / Space Required | 4 TE width × 3 HE height |
| Dimensions (L × W × H) | 95 mm × 95 mm × 30 mm |
| Weight | ~ 0.18 kg (≈ 181 g) |
| Safety & Compliance | UL 508, CE, loop monitoring safety standard |
🏭 Applications
-
Safety shutdown control in chemical, oil & gas, refinery systems
-
Driving safety actuators, alarm lamps, solenoids in SIS chains
-
Loop‑monitored outputs to detect wiring faults or open circuits
-
Use in redundant safety architectures requiring fail‑safe output behavior
-
Integration into safety logic controllers and SIL systems
✅ Key Advantages & Features
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Loop Monitoring: Continuously checks the output loop wiring for breaks or shorts, increasing safety diagnosis
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Fail‑Safe Outputs: On fault detection or power loss, outputs default to a safe (off) state
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High Output Capability: 1 A per channel supports moderately sized loads
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Low Voltage Drop & Leakage: Minimal loss ensures full load delivery
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Compact Form Factor: Occupies only 4 TE × 3 HE, saving rack space
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Wide Temperature Tolerance: Operates from –40 °C to +85 °C
-
Diagnostic Indicators: LED feedback per channel to assist fault finding
🔁 Related / Same Series Models
| Model | Outputs | Voltage | Max Current / Ch | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| FS‑SDOL‑0424 | 4 | 24 V DC | 1.0 A | 95 × 95 × 30 | ~0.18 |
| FS‑SDO‑04110 | 4 | 110 V DC | 0.325 A | ~95 × 95 × 30 | ~0.2 |
| FS‑SDO‑0448 | 4 | 48 V DC | 0.75 A | ~150 × 80 × 35 | ~0.65 |
| FS‑SDOL‑0824 | 8 | 24 V DC | 0.5 A | (wider module) | ~0.5–0.8 |
| FS‑SDO‑0424 | 4 | 24 V DC | 2.0 A | 95 × 95 × 30 | ~0.6 |
🔝 Other Popular Honeywell Modules
| Model | Role / Function | Key Spec Highlight | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| FS‑PDC‑MB24‑2 | Bus / power distribution controller | 24 V DC, high current support | 130 × 80 × 38 | ~0.5 |
| FS‑RO‑1024 | Relay output module | 10 relay channels | 120 × 90 × 45 | ~0.55 |
| FS‑PSU‑UNI2450U | Power supply unit | Universal 24 V, 5 A output | 120 × 80 × 50 | ~0.6 |
| FS‑SAI‑0410 | Safe analog input module | 4–20 mA / ±10V inputs | 95 × 95 × 35 | ~0.58 |
| FS‑SDO‑0824 | Higher channel digital output module | 8 channels of digital outputs | (wider) | ~0.72 |
❓ FAQ – Questions & Answers
Q1: What is the main purpose of FS‑SDOL‑0424?
A1: It is used to provide four safe digital output channels with loop monitoring in safety systems, controlling field devices while detecting wiring faults.
Q2: What is the maximum current per channel?
A2: Each channel can drive up to 1.0 A at 24 V DC.
Q3: What type of outputs does it use?
A3: It uses solid-state source outputs that are protected against short circuits.
Q4: How does the loop monitoring work?
A4: It continuously checks each wiring path (lead) for open circuits or short circuits and raises a fault if a wire break or short is detected.
Q5: What happens under a fault or power loss?
A5: The module forces outputs into a safe (off) state to prevent unintended actuation.
Q6: What is the ambient operating temperature range?
A6: It is specified from –40 °C up to +85 °C.
Q7: What is the voltage drop when an output is loaded fully?
A7: The voltage drop is typically less than 1.3 V at 1 A.
Q8: What is its weight and size?
A8: Dimensions ~95 mm × 95 mm × 30 mm, weight ~0.18 kg.
Q9: Is it suitable for inductive loads?
A9: Yes, within its specifications—max inductive load 0.5 H and capacitive 1 µF.
Q10: What certifications does this module comply with?
A10: It’s designed to meet industrial safety standards (CE, UL, loop-monitoring safety specs).
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All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
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We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
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Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
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24-hour after-sales service guarantee team, professional and standardized management service system.