Siemens RS232 Specifikace stáhnout pdf (Strana 12)

Product overview

2.3 Functions

CM PtP RS232 HF (6ES7541‑1AD00‑0AB0) communication module

12 Manual, 01/2013, A5E03790665-01

2.3 Functions

Introduction

The communication module allows you to exchange data between your own and other

programmable controllers or computers by means of a point-to-point connection, and to

connect various devices from a variety of manufacturers.

Functionality of the CM PtP RS232 HF

The CM PtP RS232 HF communication module offers the following functionality:

● RS232 interface

● Data transmission rate: 300 to 115200 bps

● Maximum frame length: 4 kbyte

● Transmission protocols: Freeport, 3964(R) and Modbus

Note

The USS protocol can be implemented with instructions included in STEP 7 (TIA Portal).

Hardware components of a point-to-point connection

You require certain hardware components for a point-to-point connection with the

CM PtP RS232 HF.

Components Function

CPU module

Accessories: Memory card

... executes the user program.

CM PtP RS232 HF communication module ... communicates with a communication partner (point-to-point) by

means of the interface.

Connecting cable ... connects the CM PtP RS232 HF communication module with the

communication partner.

U connector ... provides the mechanical and electrical connection between the

modules.

Optional: Power supply module (PS) ... converts the line voltage (120/230V AC or 24V DC) into the

operating voltage required to supply the S7-1500.

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Siemens RS232 Specifikace Strana 12