Using Hmi Devices On Your Rs485 Network - Siemens SIMATIC S7 System Manual

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Communication

Using HMI devices on your RS485 network

Introduction

The S7-200 SMART CPU supports many types of RS485 HMI devices from Siemens and

also from other manufacturers. While some of these HMI devices (such as the TD400C) do

not allow you to select the communication protocol used by the device, other devices (such

as the KP and TP product lines) allow you to select the communication protocol for that

If your HMI device allows you to select the communication protocol, consider the following

guideline. For an HMI device connected to the communication port of the CPU, with no other

devices on the network, select the PPI protocol for the HMI device.

For more information about how to configure the HMI device, refer to the specific manual for

your device (see the following table). These manuals are included in the

STEP 7-Micro/WIN SMART documentation CD.

RS485 HMI devices supported by the S7-200 SMART CPU

Configuration software

Text Display wizard (part of STEP 7-Micro/WIN SMART)

WinCC flexible

System Manual, V2.3, 07/2017, A5E03822230-AF

S7-200 SMART

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Simatic s7-200 smart