Siemens S7 PPI Channel Tag

Help Contents

Introduction

The Siemens S7 Serial PPI Channel Tag Channel Tag Icon provides a Siemens S7 Serial PPI SCADA/HMI Communication Channel to S7-200 PLCs.

The Siemens S7 PPI Channel Tag supports both direct connection to an S7-200 PLC and indirect connection via a PPI adapter.

Configuration Properties

The Siemens S7 PPI Channel Tag supports the properties of the Siemens S7 Serial Channel Tag plus these properties:

Property Type Version Description
Port WSTRING 1.4 The name of the communications port. For example 'COM1:'
Mode WSTRING 1.4 The serial port communication speed, data format and handshake mode.
Click the Browse button Browse button to edit the serial port mode using the Serial Port Mode Editor. You can also type in the serial port mode string directly. See Serial Port Mode String for how this property is formatted.
HostAddress USINT 1.4 The host address of Fernhill SCADA.

Tag Commands

The Siemens S7 Serial PPI Channel Tag supports the tag commands of the Siemens S7 Serial Channel Tag.

Example Configuration

This is an example of a channel configured to support direct connection to a Siemens S7-200 PLC via COM1:

PropertyValue
ReplyTimeoutT#500ms
PortCOM1
ModeBaud=9600 Parity=E Data=8 Stop=1 Rts=Tg
HostAddress0

Relationships to Other Tag Types

The Siemens S7 Serial PPI Channel Tag builds on the features of these tag types:

Further Information

Siemens S7 Driver

For information on the Siemens S7 Driver.

Channel Tag

To learn about the Siemens S7 Serial Channel.

Alarm Handling

To learn about alarm management.

Serial Port Mode Editor

To learn how to set the communications speed, data format, and handshake mode of the serial port.

Glossary

For the meaning of terms used in Fernhill SCADA.