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ALSTOM STO1726KO1 – Safe Torque Off (STO) Interface Module
Product Overview
The ALSTOM STO1726KO1 is a safety-focused interface module designed for industrial automation systems, specifically engineered to implement the Safe Torque Off (STO) function. It disables motor torque in a controlled manner, preventing unintended motor startup and ensuring safe operation during emergencies or maintenance. This module addresses critical safety challenges in high-risk industrial environments, integrating seamlessly with ALSTOM DCS and drive systems to enhance operational safety without disrupting system performance. It adheres to industrial safety standards, making it suitable for power generation, oil & gas, and heavy industrial applications where reliable safety controls are essential.
Technical Specifications — STO1726KO1
| Parameter | Value |
|---|---|
| Product Model | STO1726KO1 |
| Manufacturer | ALSTOM |
| Product Type | Safe Torque Off (STO) Interface Module |
| Power | 24V DC (typical) |
| Communication / Protocol | Industrial standard safety communication |
| Operating Temperature | -20°C to +60°C |
| Mounting | DIN Rail Mounting |
| Dimensions (HxWxD) | 80mm x 90mm x 120mm (approx.) |
| Weight | 0.8kg (approx.) |
| Typical Interfaces | Dual safety input channels, signal output ports |
| Compliance | IEC 61800-5-2, EN 55022/EN 55024 |
ALSTOM STO1726KO1
Key Features and Benefits — STO1726KO1
- Dual-channel safety design ensures fail-safe operation, preventing torque generation even if one channel malfunctions, in line with STO safety standards.
- Seamless integration with ALSTOM control systems and industrial drives, reducing compatibility issues and simplifying system integration.
- Robust industrial-grade construction resists electromagnetic interference and harsh environmental conditions, ensuring long-term reliability in demanding sites.
- No physical power disconnection required; it disables drive gate control signals to stop motor torque, enabling quick safety responses without system damage.
- Clear status indicators facilitate easy monitoring and troubleshooting, reducing maintenance downtime and operational disruptions.
Related Models
- ALSTOM POS1846: A power distribution module designed for reliable power management in mission-critical industrial automation systems.
- ALSTOM VPS12004-102-03: An industrial power supply module providing stable 24V DC output for control system components.
- ALSTOM TRVC062333000: A control interface module supporting seamless communication between ALSTOM DCS and field devices.
- ALSTOM CP00000310: A auxiliary safety module enhancing system protection with overcurrent and overvoltage monitoring.
Installation and Maintenance — STO1726KO1
- Mount the module on a standard DIN rail in a control cabinet, ensuring proper ventilation to maintain operating temperature range.
- Connect safety input channels to emergency stop buttons or limit switches, and output ports to the drive’s gate control circuit, following ALSTOM’s wiring guidelines.
- Regular maintenance involves checking connection integrity, verifying status indicators, and ensuring compliance with safety standards.
- Avoid installation in explosive or corrosive environments; the module is designed for indoor use with IP20 protection.
