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Cổng kết nối thiết bị đầu cuối EL6021 Beckhoff
Giao diện kết nối EL6021 Beckhoff
Beckhoff EL6021 Serial interface RS422/RS485
EtherCAT Terminal Communication EL6021 Beckhoff Vietnam
The EL6021 serial interface enables the connection of devices with RS422 or RS485 interface. These devices communicate with the automation device via the coupler. The active communication channel operates independently of the higher-level bus system in full or half duplex mode at up to 115.2 kbaud. The transmission of differential signals according to RS422 guarantees high immunity to interference through electrically isolated signals. In conjunction with the TwinCAT Virtual Serial COM Driver (see TwinCAT Supplements – Communication) the EL6021 can be used as a normal Windows COM interface. |
| Technical data | EL6021 | ES6021 |
|---|---|
| Technology | terminal contact |
| Data transfer channels | TxD and RxD, full/half duplex |
| Data transfer rates | 2400…115,200 baud; default: 9600 baud, 8 data bits, no parity and one stop bit |
| Bit transfer | with differential signal |
| Line impedance | 120 Ω |
| Cable length | approx. 1000 m twisted pair |
| Interfaces | 1 x RS422/RS485 |
| Providing external supply | – |
| Power supply | via the E-bus |
| Electrical isolation | 500 V (E-bus/signal voltage) |
| Data buffer | 864 bytes receive buffer, 128 bytes transmit buffer |
| Bit width in the process image | 22 x 8 bit input, 22 x 8 bit output, 16 bit control, 16 bit status |
| Configuration | no address setting, configuration via PLC |
| Current consumption E-bus | typ. 170 mA |
| Weight | approx. 55 g |
| Operating/storage temperature | -25…+60 °C/-40…+85 °C |
| Relative humidity | 95 %, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. class/installation pos. | IP 20/variable |
| Pluggable wiring | for all ESxxxx terminals |
| Approvals | CE, UL, Ex, IECEx |
| Special terminals | |
| EL6021-0021 | RS422/485 line device |
| Accessories | |
| TS6360 | license for using the TwinCAT Virtual Serial COM Driver for Windows and Windows CE platforms |
| System | |
| RS485 | For further RS485 products please see the system overview. |
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