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3G2A5-LK003-E
The 3G2A5-LK003-E from Omron is a PC link unit tailored for use with C500 PLC modules. It provides reliable communication via HDLC synchronization, supporting both two-wire and four-wire half-duplex methods, achieving transmission speeds of up to 128 kbps.
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Technical specifications for 3G2A5-LK003-E
| Manufacturer | Omron |
|---|---|
| Product Type | PC Link Unit |
| Product Line | 3G2 |
| Part Number | 3G2A5-LK003-E |
| Weight | 1.31 lbs (0.60 kg) |
| Compatible Modules | C500 PLC |
| Synchronization | HDLC |
| Communication Method | Two-wire half-duplex (using electrical cable only) or four-wire half-duplex (using both electrical and optical fiber cables) |
| Transmission Speed | 128 kbps |
| Transmission Method | Broadcasting |
| Transmission Distance | 500 meters (including branch lines) |
| Number of Link Relay Bits per Unit | 32 to 512 bits |
| Maximum Number of PC Link Units | 32 units |
| Maximum Transmission Time | 35 ms (for 128 bits with 8 PC Link Units) |
| Diagnostic Functions | CPU watchdog timer; CRC transmission error check |
| Cable Used | Shielded twisted-pair cable |
| Current Consumption | 510 mA maximum at 5 VDC |
Omron's 3G2A5-LK003-E PC link unit serves as a communication interface designed for seamless integration with C500 PLC systems. Operating under HDLC synchronization, it employs both two-wire and four-wire half-duplex communication methods. The dual methods allow flexibility in installation, enabling the use of either electrical or optical fiber cables. This unit can achieve a transmission speed of 128 kbps, yielding quick data transfers for efficient system operation.
The broadcasting transmission method supports a maximum distance of 500 meters when considering the complete cable run, including branch lines. It can link a total of 32 PC link units, allowing a broad and interconnected setup. Each unit facilitates between 32 to 512 link relay bits, accommodating varied application demands.
In terms of performance, the system can deliver data with a maximum transmission time of 35 milliseconds for 128 bits across eight linked PC units. To enhance reliability, the unit incorporates diagnostic functions such as a CPU watchdog timer and CRC checks for detecting transmission errors.
For connectivity, shielded twisted-pair cable is recommended, ensuring secure and stable communication. The device has a maximum current consumption of 510 mA at 5 VDC, which contributes to manageable power requirements. Weighing in at just 0.389 kg, the 3G2A5-LK003-E is designed for efficient operational performance in various environments.
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