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.
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- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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