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Product Introduction
The Schneider STBACO1225 is a reliable and compact basic analog output module that belongs to the Modicon STB (Schneider Telefast Block) distributed I/O system. It is designed to provide standard analog signal outputs, typically for control and monitoring of actuators, valves, or other analog devices in industrial automation environments. Known for its flexibility, scalability, and ease of integration, the STBACO1225 module is often used in both discrete and process automation applications.
This module converts digital control signals into analog current outputs, making it a vital component in systems that require precise control over analog devices. With its small form factor and robust design, it is ideal for decentralized architectures, helping to reduce cabinet space and wiring complexity.
Product Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Product Series | Modicon STB |
| Product Type | Basic Analog Output Module |
| Reference Code | STBACO1225 |
| Output Channels | 2 channels |
| Output Type | Current output (analog) |
| Signal Range | 4…20 mA |
| Resolution | 12 bits |
| Accuracy | ±0.5% of full scale |
| Isolation | Channel-to-bus isolation |
| Power Consumption | 1.5 W |
| Operating Voltage | 24 V DC nominal |
| Mounting | DIN Rail |
| Protection | Overload and short-circuit protection |
| Diagnostic LEDs | Yes (status indicators per channel) |
| Operating Temperature Range | 0 to 60 °C |
| Storage Temperature Range | -40 to 85 °C |
| Relative Humidity | 5 to 95% (non-condensing) |
| Dimensions (H x W x D) | 70 x 13.9 x 128.3 mm |
| Weight | 0.16 kg |
| Certifications | CE, cULus, CSA, ATEX (depending on system integration) |
| Compliance | RoHS, IEC standards |
| Communication Bus | STB system bus interface |
| Compatibility | Compatible with Modicon Quantum, Premium, M340 via NIM |
Product Applications
The STBACO1225 module is widely used in a range of industrial automation settings where analog control is required. Key applications include:
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Process Control Systems (chemical, water treatment, oil & gas)
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HVAC and Building Automation
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Machine Automation (packaging, filling systems)
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Pumps and Valve Control
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Distributed Remote I/O for SCADA
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Renewable Energy Systems (solar/wind farms)
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Food & Beverage Manufacturing
Product Advantages
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Compact Modular Design: Saves cabinet space and enables decentralized control.
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High Precision Output: 12-bit resolution provides accurate analog current control.
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Flexible Integration: Compatible with multiple Schneider PLC platforms.
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Robust Performance: Designed for industrial environments with extended temperature range and vibration resistance.
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Ease of Use: Simple plug-in module with diagnostic LEDs and tool-free installation.
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Reduced Wiring Complexity: Ideal for distributed I/O architectures.
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Global Certifications: Meets international standards for safety and electromagnetic compatibility.
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Energy Efficient: Low power consumption suitable for compact control systems.
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Expandable Architecture: Easily combines with other STB modules for scalable automation.
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Long Service Life: Built to operate reliably over long durations in demanding environments.
Frequently Asked Questions (FAQ)
-
What type of signals does the STBACO1225 module output?
It outputs analog current signals in the range of 4 to 20 mA across two independent channels. -
Is the STBACO1225 compatible with Modicon M340 PLCs?
Yes, it can be integrated with M340 using a suitable Network Interface Module (NIM). -
Can this module be used in hazardous environments?
With proper system integration, it can be used in ATEX certified applications. -
What diagnostic features are available on this module?
It includes status LEDs per channel to indicate health and activity. -
Does it support hot-swapping?
Yes, STB modules support hot-swapping for fast maintenance without shutting down the system. -
What is the resolution of the analog output?
The resolution is 12 bits, providing precise control over output signals. -
How many analog outputs are available on STBACO1225?
It provides two analog current output channels. -
Is additional software needed for configuration?
It can be configured via Schneider’s Unity Pro or EcoStruxure Control Expert, depending on the system. -
Is isolation provided between channels and the bus?
Yes, electrical isolation is implemented for system protection. -
What is the typical use case for this module?
It is often used to control actuators, valves, and other current-driven devices in industrial automation.
Recommended Related Models (Same Series or Function)
| Model Number | Description | Signal Type | Output Channels | Mounting |
|---|---|---|---|---|
| STBACI1230 | Basic Analog Input Module | Current Input | 2 | DIN Rail |
| STBACO2210 | Advanced Analog Output Module | Voltage Output | 2 | DIN Rail |
| STBDAI1250 | Digital Input Module | Digital Input | 8 | DIN Rail |
| STBDDO2210 | Digital Output Module | Digital Output | 8 | DIN Rail |
| STBXBA3000 | Base for Analog Modules | Base Accessory | — | DIN Rail |
| STBNIP2311 | Network Interface Module (Ethernet) | Communication | — | DIN Rail |
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