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QJ71PB92V
The QJ71PB92V is a PROFIBUS-DP Master Module engineered by Mitsubishi as part of the Melsec-Q series. This device is a Class 1 DP-Master station and incorporates EIA-RS485 compliance for its transmission standards. It utilizes shielded twisted pair cables for effective data transfer.
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Technical specifications for QJ71PB92V
| Manufacturer | Mitsubishi |
|---|---|
| Product Line | Melsec-Q |
| Part Number | QJ71PB92V |
| Weight | 0.19 lbs (0.09 kg) |
| Name of Module | PROFIBUS-DP Master Module |
| PROFIBUS-DP Station Type | DP-Master (Class 1) |
| Transmission Electrical Standard/Characteristics | EIA-RS485 compliant |
| Transmission Medium | Shielded twisted pair cable |
| Transmission Network Topology | Bus topology (Tree topology with repeaters) |
| Transmission Data Link Method | Polling method between DP-Master and DP-Slave |
| Transmission Speed | 9.6 kbps to 12 Mbps |
| Transmission Distance | Varies with transmission speed |
| Max. Number of Repeaters | 3 repeaters |
| Transmission I/O Data Size | Max. 8192 bytes (Max. 244 bytes per DP-Slave) |
| Number of Writes to Flash ROM | Max. 100,000 times |
| Number of Occupied I/O Points | 32 |
| Internal Current Consumption (5VDC) | 0.57 A |
| External Dimensions | 98 mm (H) x 27.4 mm (W) x 90 mm (D) (3.86 in. x 1.08 in. x 3.54 in.) |
| Mass | 0.13 kg |
The Mitsubishi QJ71PB92V is recognized as a PROFIBUS-DP Master Module within the Melsec-Q series framework. As a Class 1 DP-Master station, it adheres to the EIA-RS485 standard for electrical characteristics, ensuring robust communication. The module’s preferred medium for transmission is a shielded twisted pair cable, which enhances signal integrity.
Data communication follows a bus topology configuration, though it can also accommodate a tree topology if repeaters are included within the network setup. The polling method facilitates interactions between the DP-Master and connected DP-Slaves. This module can operate at varying transmission speeds, from 9.6 kbps to a maximum of 12 Mbps, with the distance of transmission contingent on the selected speed. It can utilize up to three repeaters to extend the communication range.
The QJ71PB92V can handle a maximum I/O data size of 8192 bytes, with each DP-Slave permitted a data size of up to 244 bytes. Its internal flash ROM can experience up to 100,000 write operations. The module occupies 32 I/O points.
The module requires 0.57 A at 5V DC in terms of power consumption. Its dimensions measure 98 mm in height, 27.4 mm in width, and 90 mm in depth, with a total mass of 0.13 kg. This compact design makes the QJ71PB92V a viable option for many applications, such as industrial control systems.
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