Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The ADV551‑P03 is a digital output module designed for industrial automation and control‑system environments. It belongs to the ADV551 series and is crafted to provide reliable, fast, discrete output signals for field devices such as relays, solenoids, alarms, valve actuators and similar on‑off controlled devices.
With a channel count of either 16 or 32 depending on variant (many sources list 32) and an architecture suited to the brand’s control system platforms, it offers modelers and integrators a compact, high‑density solution for digital output needs. The module supports 24 V DC standard for output control, is designed for durable operation in demanding industrial settings and integrates seamlessly into modular I/O racks.
The ADV551‑P03 reflects a design philosophy of combining compact hardware footprint, strong electrical isolation, high switching speed and ease of replacement. By integrating into the ADV551 I/O ecosystem, the module helps standardize installations, spare‑parts logistics, and system expansions.
| Parameter | Specification |
|---|---|
| Number of Output Channels | 32 channels (typical for ADV551‑P03) |
| Rated Applied Voltage | 24 V DC nominal |
| External Power Supply Voltage Range | 20.4 V to 26.4 V DC |
| Output Format | Current‑sink digital outputs |
| Maximum Load Current per Channel | Approx. 100 mA at 26.4 V DC |
| Output ON Voltage Maximum (Drop) | ≤ 2 V DC |
| Leakage Current when Output OFF | ≤ 0.1 mA |
| Withstanding Voltage (Isolation) | 2 kV AC (1 min) between output & system; 500 V AC (1 min) between commons per 16 channels |
| Output Response Time | ≤ 3 ms (for status output) / ≤ 10 ms (for mixed status + pulse) |
| Dimensions (W × H × D) | Approx. 107.5 mm × 130 mm × 32.8 mm |
| Weight | Approx. 0.20 kg |
| Operating Temperature Range | Around –20 °C to +60 °C (typical) |
In large‑scale process plants (chemical, petrochemical, power generation) where multiple actuators, alarms, solenoids or indicators must be driven reliably via discrete outputs from a central control system.
In manufacturing automation and machine control systems (assembly lines, robotic cells, discrete device control) where numerous on‑off signals are required and rack space or wiring complexity is a concern.
In utilities and infrastructure (water/wastewater treatment plants, pump/motor fields, building automation) where field devices require discrete output signals and high module density helps reduce footprint.
In I/O rack expansions or retrofit projects where an existing system needs upgraded output capacity without enlarging the control cabinet or adding many modules thanks to the high density of this module.
In systems with demanding requirements for switching speed, electrical noise immunity and space efficiency—because the ADV551‑P03 offers fast switching, strong isolation and compact hardware.
High channel density: Offers up to 32 outputs in one module, allowing fewer modules and smaller rack footprint.
Robust electrical performance: High insulation voltage ratings and low leakage current ensure reliable operation under industrial conditions.
Fast response: Status output switching in ≤ 3 ms provides timely control of field devices.
Compact and lightweight: With approx. 0.20 kg weight and modest dimensions, installation and service become easier.
Platform compatibility: Integrates into the ADV551 series ecosystem, simplifying spare‑parts management, expansion and maintenance.
Wiring efficiency: The module allows efficient wiring due to high‑density channels and standardized connection formats.
Reduced cost of ownership: Fewer modules, less wiring, simplified installation and maintenance reduce overall system cost.
Reliable long‑term performance: Designed for industrial ambient conditions and supports robust, long‑life field installations.
| Model | Specification / Description |
|---|---|
| ADV551‑P03 | This model: 32‑channel digital output module. |
| ADV551‑P00 | 32‑channel digital output basic variant in the same series. |
| ADV551‑P50 | 32‑channel digital output variant with pulse‑width/time‑proportional output functions. |
| ADV551‑P63 | 32‑channel digital output variant with extended temperature rating or status display features. |
| ADV561‑32DO | 64‑channel digital output module in the same platform family for higher density output systems. |
| Model | Description / Typical Specification |
|---|---|
| ADV161‑P00 | 64‑channel digital input module—high‑density input counterpart. |
| ADV169‑P00 | 64‑channel digital input module variant—many discrete input points. |
| ADV171‑P00 | 16‑channel analog input module—for process variable sensing. |
| ADV181‑P00 | 16‑channel analog output module—for analog actuator control. |
| ADV151‑E63 S2 | Advanced digital input module with enhanced diagnostics and monitoring features. |
Q1: How many output channels does the ADV551‑P03 provide?
A1: The module provides typically 32 discrete digital output channels in one unit.
Q2: What is the nominal voltage for the module’s outputs?
A2: The outputs are designed for nominal 24 V DC.
Q3: What is the maximum load current per channel?
A3: Each channel is rated to drive approximately 100 mA at the upper supply voltage (~26.4 V DC).
Q4: What is the response time when an output is commanded on or off?
A4: For status outputs the response time is ≤ 3 ms; for mixed status and pulse outputs it may be up to ≤ 10 ms.
Q5: What are the physical dimensions and weight of the module?
A5: The module measures roughly 107.5 mm wide by 130 mm high by 32.8 mm deep, and weighs approximately 0.20 kg.
Q6: What type of output format does this module use (sink or source)?
A6: The module uses current‑sink type digital outputs suitable for 24 V DC field devices.
Q7: Can the module handle advanced output functions like pulse‑width or time‑proportioning?
A7: The ADV551‑P03 basic variant supports ON/OFF status outputs; for pulse‑width/time‑proportioning functions, you may consider variant modules (e.g., P50) in the same series.
Q8: Is this module compatible with the brand’s I/O platform and base frames?
A8: Yes. It is part of the ADV551 series and integrates with the modular I/O architecture, allowing consistent installation, maintenance and spare‑parts strategy.
Q9: What environmental conditions can the module operate under?
A9: Typical ambient operating range is from around ‑20 °C up to +60 °C, assuming proper installation and ventilation in industrial control cabinets.
Q10: How is the module maintained or replaced in a system?
A10: To replace or service: power‑down or isolate the I/O rack/backplane, remove the module, insert the replacement, reconnect field wiring, power up the system and then verify correct channel functioning. Regular checks of wiring, terminal connections and module seating are also recommended.
Authenticity guarantee
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.
Free warehouse
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.
Technical Team
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%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.