Key Features
- SIMATIC S7-300 communications processor: CP 340 communications processor for the SIMATIC S7-300 family.
- RS-422/485 interface: Interfaces/bus type: RS 422 / 485 (X.27).
- Integrated protocol drivers: 3964 (R): Yes; ASCII: Yes.
- Point-to-point connection details: Cable length, max.: 1 200 m; Connector type: 15-pin sub D socket.
- Diagnostics indication LEDs: Receive RxD: Yes; Transmit TxD: Yes; Group error SF (red): Yes.
- Configuration package on CD: Configuration package included on CD.
Applications
- Serial data communication: Data communication for sending and receiving over RS 422 / 485.
- Point-to-point connection setup: Point-to-point connection over a cable length of up to 1 200 m.
- Printer communication: Point-to-point use with supported printers such as HP-Deskjet, HP-Laserjet, IBM-Proprinter, and user-defined.
Technical Summary
| Product type | CP 340 communications processor |
|---|---|
| Interface | RS 422 / 485 (X.27) |
| Number of interfaces | 1; Isolated |
| Integrated protocol driver – 3964 (R) | Yes |
| Integrated protocol driver – ASCII | Yes |
| Transmission rate, min. | 2.4 kbit/s |
| Transmission rate, max. | 19.2 kbit/s |
| Connector type | 15-pin sub D socket |
| Input current from backplane bus 5 V DC, max. | 165 mA |
| Power loss, typ. | 0.6 W |
| Ambient temperature during operation | 0 °C to 60 °C |
Frequently Asked Questions
What is the Siemens 6ES7340-1CH02-0AE0 used for?
It is a SIMATIC S7-300 CP 340 communications processor with an RS-422/485 interface.
Which communication functions does the CP 340 support?
It supports integrated 3964 (R) and ASCII protocol drivers.
What interface and connector does this module use?
It uses one isolated RS 422 / 485 (X.27) interface with a 15-pin sub D socket.
What are the communication speed limits?
The transmission rate is 2.4 kbit/s minimum and 19.2 kbit/s maximum.
What should be checked before selection?
Check the interface type, the 1 isolated interface, the protocol driver needed, the cable length, and the backplane-bus power and installation data.
