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The AS-S908-012 from Schneider Electric is a remote I/O CPU module designed for the Modicon 984 series. This component facilitates connectivity to a maximum of 31 nodes per link, supporting a local interface with one drop, and is structured for direct use with 800-Series I/O modules.
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| Manufacturer | Schneider Electric |
|---|---|
| Product Type | Remote I/O CPU module |
| Product Line | Modicon 984 |
| Part Number | AS-S908-012 |
| Weight | 3.25 lbs (1.47 kg) |
| Remote Drop Capacity | 31 nodes per link |
| Local I/O Interface | 1 local drop |
| Cable Type | Single coaxial |
| I/O Module Support | 800-Series modules |
| Compatible Controllers | 984-680/685/780/785 CPUs |
| Mounting | Slot-mount |
| Signaling | Manchester encoding |
| Maximum Cable Length | 4.5 km |
| Addressing | DIP 1–32 |
| Operating Temperature | 0 °C to 60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity Tolerance | ≤ 95 % non-condensing |
The AS-S908-012 remote I/O CPU module is integral to the Modicon 984 series offered by Schneider Electric. This module is adept at facilitating connections across an extensive network, allowing up to 31 nodes per link. It accommodates a local I/O interface with a single local drop, providing straightforward integration into existing setups.
Using a single coaxial cable, the communication setup ensures reliable transmission, particularly suited for 800-Series I/O module configurations. Compatible with controllers such as 984-680, 984-685, 984-780, and 984-785, this module enhances modularity and extends the functionality of the control system.
With a maximum cable length of 4.5 kilometers, it efficiently supports long-distance installations without compromising performance. Addressing configurations are managed through a DIP switch setting that accommodates addresses 1 through 32, empowering users to tailor connections to their specific requirements. Signaling utilizes Manchester encoding, a technique that enhances data integrity.
Operating temperatures for this module range from 0 °C to 60 °C, while storage conditions allow temperatures as low as -40 °C and as high as +85 °C. Additionally, the module demonstrates a humidity tolerance of up to 95% without condensation, making it suitable for various environment types while delivering reliable performance.