Active Channel Tag

Introduction

The Active Channel Tag is a SCADA/HMI communication channel that actively polls and retrieves data from remote PLCs or devices.

Configuration Properties

The Active Channel Tag supports the configuration properties of the Channel Tag, plus these properties:

Property Type Version Description
ReplyTimeout TIME 1.0 The maximum time to wait for a reply from devices on this communication channel.

Dynamic Properties

The Active Channel Tag supports the dynamic properties of the Channel Tag plus these properties:

Property Type Description
Encryption STRING[80] The current encryption used on the channel.

Tag Commands

The Active Channel Tag supports the tag commands of the Channel Tag.

Relationships to Other Tag Types

The Active Channel Tag builds on the features of these tag types:

The Active Channel Tag is used as a building block for these tag types:

Further Information

Core Tag

To learn about properties common to all tags.

Alarm Handling

To learn about alarm management.

Glossary

For the meaning of terms used in Fernhill SCADA.