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A3ACPUP21
The A3ACPUP21 is an optical data link module utilized in Mitsubishi's A Series. With a maximum I/O capacity of 2048 points, it ensures reliable communications at a speed of 1.25 Mbps. The module employs half-duplex bit serial communication and includes features for managing brief power interruptions.
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Technical specifications for A3ACPUP21
| Manufacturer | Mitsubishi |
|---|---|
| Product Line | A Series |
| Part Number | A3ACPUP21 |
| Weight | 0.94 lbs (0.43 kg) |
| Description of product | Optical Data Link Module |
| Max. number of I/O points | 2048 points |
| Communication Speed | 1.25 Mbps |
| Communication Method | Half-duplex bit serial |
| Allowable momentary power failure time | 1 within 20 ms |
| Synchronous method | Frame synchronous method |
| Transmission path method | Duplex loop method |
| Overall loop distance | Max. 10 km (32,810 ft) (between stations: 1 km (3,281 ft)) |
| Number of connected stations | Max. 65 units/loop (1 master station and 64 local/remote I/O stations) |
| Demodulation method | CMI method |
| Transmission format | Conforms to HDLC (frame method) |
| RAS function | Loopback function, diagnostic function |
| Connector | 2-conductor optical connector plug (CA9003) |
| Cable used | SL-200/250 |
The Mitsubishi A3ACPUP21 serves as a robust optical data link module within the A Series lineup. It is capable of accommodating up to 2048 I/O points, which is optimal for various automation tasks. The system operates at a communication speed of 1.25 Mbps via a half-duplex bit serial protocol, facilitating efficient data exchange.
This module can withstand short power failures, allowing for one interruption within a span of 20 milliseconds. It utilizes a frame synchronous method for synchronization and follows a duplex loop method for the transmission path, which enhances communication reliability. The overall loop distance can extend to a maximum of 10 kilometers (32,810 feet), while the distance between individual stations can reach 1 kilometer (3,281 feet).
The A3ACPUP21 allows connectivity for a total of 65 stations in a single loop configuration, comprising one master station and up to 64 local or remote I/O stations. It employs the CMI method for demodulation and follows the HDLC standard for its transmission format, maintaining stringent data protocols.
To support diagnostic capabilities, this module features RAS functions, including loopback diagnostics, allowing for effective monitoring and troubleshooting. It connects using a 2-conductor optical connector plug (CA9003) and is compatible with SL-200/250 cabling for reliable connectivity and transmission.
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