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GE ST-1218

by GE Fanuc

OverviewThe GE ST-1218 is an advanced 8-channel digital input module specifically designed for seamless integration within RSTi I/O systems. This robust unit excels at dependably gathering discrete signals from diverse field devices such as switches and sensors, utilizing 24VDC sourcing inputs. Its compact dimensions and DIN-rail mounting facilitate installation in confined control cabinet spaces. With certifications for hazardous location installation (Class I Div 2 / Zone 2), the ST-1218 is an excellent choice for demanding industrial and process automation settings where consistent performance and safety are crucial.Key Features Digital Inputs: Eight sourcing (positive logic) channels for flexible signal acquisition. Input Voltage: Engineered for 24VDC signals, with an operating range of 11–28.8VDC for stable functionality. Logic Type: Employs positive logic, identifying an "ON" state above 10.2V and an "OFF" state below 5V. Input Delay: Features a rapid 3 ms response time, vital for time-sensitive automation processes. LED Indicators: Individual status LEDs per channel simplify diagnostics. System Power Draw: Operates efficiently with a minimal power consumption of 35 mA at 5VDC. Certifications: Adheres to industry standards including UL 508, CSA, CE, and holds Class I Div 2 / Zone 2 certification for hazardous locations, ensuring compliance and safety. Technical Specifications Model Number: ST-1218 Channels: Eight sourcing digital inputs Input Current: 3.5 mA @ 24VDC Operating Temperature: Functions reliably from -20°C to +60°C. Storage Temperature: Withstands storage temperatures from -40°C to +85°C. Mounting Type: Convenient DIN rail mounting. Dimensions: Approximately 12 x 99 x 70 mm. Weight: Roughly 120 g. ApplicationsThe GE ST-1218 is a highly versatile module, suitable for numerous industrial applications: Machine Input Signal Monitoring: Accurately monitor input signals from machinery for enhanced control. Sensor Feedback for PLC Logic: Delivers dependable sensor data to Programmable Logic Controllers (PLCs). Distributed I/O in Factory Automation: Ideal for expanding I/O capabilities in factory automation. High-Speed Signal Acquisition in Hazardous Environments: Provides reliable and fast signal acquisition in environments requiring Class I Div 2 / Zone 2 certified equipment. Why Choose This Model? Compact Design: Optimizes space in control cabinets, supporting more streamlined setups. Fast Response Time: The rapid 3 ms response is crucial for applications needing immediate signal processing. Industrial-Grade Build: Constructed for durability, ensuring reliable operation in demanding environments. Field Proven: As part of the RSTi I/O platform, the ST-1218 is backed by a history of reliability. Visual Diagnostics: Equipped with clear LED indicators for each channel, simplifying troubleshooting. Order NowEnhance your industrial automation capabilities with the GE ST-1218 8-point digital input module. This critical component is currently available for immediate deployment to upgrade your control systems.FAQWhat is the primary function of the GE ST-1218 module?The GE ST-1218 is an 8-channel digital input module designed to collect discrete signals from various field devices, such as sensors and switches, operating with 24VDC sourcing inputs, and integrate them into RSTi I/O systems.Can the ST-1218 be used in hazardous environments?Yes, the ST-1218 is certified for hazardous location installation (Class I Div 2 / Zone 2), making it suitable for demanding industrial and process automation environments that require high safety standards.What is the response time of the digital inputs on this module?The module features a fast, fixed 3 ms input delay, which is crucial for applications that require immediate signal processing and precise timing.What are the power requirements for the ST-1218?The ST-1218 operates with 24VDC signals, with an operational range of 11–28.8VDC, and has a minimal power draw of 35 mA at 5VDC from the system power.How does the ST-1218 assist with diagnostics?The module includes individual LED indicators for each channel, which significantly simplifies troubleshooting and helps in quickly identifying the status of each input.

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