Product Details
The GE ST-1218, also cataloged as the ST-1218 DIGITAL INPUT MODULE, operates as a dedicated hardware component for discrete signal processing within FNIO-S Series network platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ST-1218 |
| Brand | GE / GE Fanuc |
| Origin | United States |
| Weight | 0.24 lbs |
| Dimensions | Standard FNIO-S Slice Form Factor |
| Operating Temp | 0 - 55 deg C |
| Power Consumption | Logic Rail Dependent |
| Input Points | 8 points |
| Input Logic | Sink configuration |
| Signal Voltage | 12 - 24 VDC |
| Connection Type | Terminal base mounting |
I/O Density Scaling and Backplane Bus Communications
The hardware interfaces 8 discrete sink-type input paths across a localized slice footprint to manage I/O density scaling. Input signals within the 12 - 24 VDC operating boundary undergo parallel optocoupler isolation prior to updating internal status registers. Data synchronization with the bus coupler relies on deterministic backplane bus communication structures, requiring correct firmware flash compatibility matching across the active module stack to ensure uninterrupted status propagation.
Frequently Asked Questions
Q: Does the ST-1218 module accommodate hot-swapping under live backplane power?
A: No. The physical connector interface of the FNIO-S base layout does not incorporate pre-charging power pins. Removing or mounting the input slice while the terminal base assembly is energized will induce localized electrical damage.
Q: How is the sink logic configured on the input channel layer?
A: The channel circuits are hardwired for a sink configuration. External field devices must source current directly into the individual terminals (IN1 through IN8) with the internal reference returning via the common ground rail.
Field Installation Guidelines
- Terminal Base Attachment: Align the module side slots with the adjacent FNIO-S unit, push downward onto the DIN-rail interface until the integrated locking mechanism engages completely.
- Discrete Conductor Separations: Route all incoming 12 - 24 VDC sink wire conductors through segregated wireways isolated from alternating current (AC) power lines to suppress crosstalk.
- Common Reference Connection: Wire the negative DC return line directly to the common ground terminal layout to guarantee clear logic threshold identification for all 8 input points.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Executing a PLC System Site Acceptance Test (SAT): The Definitive Engineering Guide
The transition of a Programmable Logic Controller (PLC) cabinet from a controlled factory floor to a volatile plant environment represents a critical milestone in factory automation. While a Factory Acceptance Test (FAT) validates standalone hardware compliance under ideal conditions, it cannot replicate real-world process dynamics. Therefore, deploying an industrial automation system requires a rigorous Site Acceptance Test (SAT) to verify total loop integrity, field wiring wiring metrics, and process control parameters before final customer handover.
Advanced Integration: Master Protocol for VFD Commissioning and Testing
Deploying variable frequency drives (VFDs) requires precise execution during the initial commissioning phase. Junior automation engineers often find the first power-up sequence intimidating. However, following a rigorous engineering framework ensures equipment safety and system reliability. Proper startup procedures protect both the drive electronics and the connected motor.
Optimizing Factory Automation: The Definitive Guide to VFD Preventive Maintenance
Variable Frequency Drives (VFDs) serve as critical assets in modern industrial automation. These power electronic devices regulate electric motors by adjusting the supplied frequency and voltage. Consequently, industries utilize VFDs to reduce energy consumption and optimize process control. Major manufacturers like Siemens, ABB, and Yaskawa design highly efficient drives. However, sustained efficiency requires a rigorous preventive maintenance program.