Siemens 6ES7340-1CH02-0AE0 is a SIMATIC S7-300 CP 340 communications processor with an RS-422/485 serial interface. Siemens identifies the article as a spare-part product and documents operation from the S7-300 backplane bus. The module supports point-to-point communication tasks using configured serial protocols, including documented rates up to 19.2 kbit/s with 3964(R) and up to 9.6 kbit/s with ASCII or printer-driver operation. It is suited to installed-base maintenance, serial device integration and controlled module replacement. Confirm rack compatibility, protocol, baud rate, wiring, termination, firmware, configuration package and the original label before ordering.
| Manufacturer | Siemens |
|---|---|
| Complete Part Number | 6ES7340-1CH02-0AE0 |
| Product Type | CP 340 RS-422/485 Communications Processor |
| Series | SIMATIC S7-300 |
| Product Condition | NEW |
| Configuration | S7-300 CP 340 serial communications processor |
| Serial Interface | RS-422/485 |
| Backplane Supply | 5 V DC from the S7-300 backplane bus |
| Maximum Backplane Current | 165 mA |
| 3964(R) Rate | Up to 19.2 kbit/s |
| ASCII Rate | Up to 9.6 kbit/s |
| Printer Driver Rate | Up to 9.6 kbit/s |
| Operating Temperature | 0 °C to 60 °C |
| Product Position | Siemens identifies this article as a spare-part product |
| Country of Origin | GERMANY |
| Compatibility | Confirm the S7-300 rack and CPU, CP 340 slot, RS-422/485 wiring, protocol selection, baud rate, termination, configuration package, firmware and external-device documentation. |
| Warranty | With 1 year warranty |
CP 340 projects depend on the selected communication protocol and the electrical details of the RS-422/485 link. Cable pinout, shielding, termination, duplex arrangement, baud rate and device timing must match the external equipment. Existing configuration files and the original module label are valuable procurement evidence.
Confirm the S7-300 rack and CPU, CP 340 slot, RS-422/485 wiring, protocol selection, baud rate, termination, configuration package, firmware and external-device documentation.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Verification, quotation, packaging and after-sales coordination are recorded before dispatch.
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Each entry is an independent product listing and is not presented as a direct replacement. Confirm the manufacturer, complete part number, revision and compatibility before ordering.
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