Siemens S7 PPI Channel Tag

Introduction

The Siemens S7 Serial PPI Channel Tag provides a Siemens S7 Serial PPI Communication Channel to S7-200 PLC Devices.

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

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 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.

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

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

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

For information on the Siemens S7 Driver.

To learn about the Siemens S7 Serial Channel.

To learn about abnormal conditions in SCADA applications.

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

For the meaning of terms used in Fernhill SCADA.