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The Mitsubishi A1SJ61BT11 MELSEC-A module is a CC-Link system master/local module that offers selectable transmission speeds of 156 kbps, 625 kbps, 2.5 Mbps, 5 Mbps, and 10 Mbps. It can support up to 64 connected modules when it operates as a master station. The A1SJ61BT11 module can also operate as a local station with 1 to 4 occupied stations. Its transmission path is an RS-485 bus path, and its transmission format is an HDLC standard format.
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| Manufacturer | Mitsubishi |
|---|---|
| Product Line | A Series |
| Part Number | A1SJ61BT11 |
| Weight | 0.56 lbs (0.26 kg) |
| Module Type | CC-Link System Master/Local Module |
| Transmission Speed | 156 kbps, 625 kbps, 2.5 Mbps, 5 Mbps, or 10 Mbps |
| Maximum Number of Connected Modules (When Master Station) | 64 Modules |
| Number of Occupied Stations (When Local Station) | 1 to 4 Stations (Switched Using DIP Switch) |
| Communication Method | Broadcast Polling Method |
| Synchronous Method | Frame Synchronous Method |
| Encoding Method | NRZI Method |
| Transmission Path | Bus (RS-485) |
| Transmission Format | HDLC Standard |
| Connection Cable | CC-Link dedicated cable (Ver.1.00)/CC-Link dedicated high-performance cable/Version 1.10 compatible CC-Link dedicated cable |
| RAS Function | Automatic return function, Slave station cutoff function, Error detection by the link special relay/Register |
| I/O Occupied Points | 32 points (I/O allocation: 32 special points) |
| Internal Current Consumption (5VDC) | 0.4 A |
The Mitsubishi A1SJ61BT11 MELSEC-A module is a critical component within a CC-Link system, where it can operate as a versatile master or local module. Its transmission speed is selectable, and it supports transmission speed ratings from 156 kbps to 10 Mbps to meet different application needs. When it is used as a master station, the A1SJ61BT11 module can accommodate a substantial network with up to 64 connected modules. When it is used as a local station, it can occupy 1 to 4 stations which can be switched through a DIP switch. The A1SJ61BT11 module’s communication method is a broadcast polling method, and its synchronous method is a frame type of synchronous method. Its encoding method is the NRZI method. The A1SJ61BT11 module's transmission path is an RS-485 bus path, and it uses the HDLC standard transmission format. The A1SJ61BT11 module requires a CC-Link dedicated connection cable, and this cable can be a version 1.00 cable or a high-performance variant. The A1SJ61BT11 module can also support a version 1.10 compatible CC-Link dedicated cable. This module includes an RAS function that encompasses an automatic return function, a slave station cutoff mechanism, and the ability to detect errors through the link special relay/register. The A1S-J61BT11 module operates with 32 occupied I/O points which are all allocated as 32 special points. The module maintains an efficient internal current consumption rating of 0.4 A at 5VDC. Parameters can be registered to the E2PROM in the A1SJ61BT11 module, and these parameters can be registered up to 10,000 times. The A1SJ61BT11 CC-Link master/local module weighs 0.25 kg.