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Plug-inSchedulingBandwidth Control

Scheduler Plug-In Real-Time Polling Engine

Flexible control of real-time polling schedule & frequency

4.6(87 reviews)
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One-time purchase (perpetual license)

Part # 41233234-N

  • Perpetual license for one computer/virtual instance
  • Server-controlled scheduling for better bandwidth utilization
  • Works with all real-time TOP Server drivers
  • Includes one year of support & maintenance

Perpetual licensing is positioned as single-computer / single-instance use with no artificial limits on devices, tags, or connected clients, and includes 1 year of support & maintenance.

800+

Installations

All Drivers

Compatible

30 Days

Free Trial

4.6/5

Customer Rating

Product Overview

The TOP Server Real-Time Scheduler plug-in lets you move polling control to the server so you can tightly manage when device data is collected—especially useful for distributed SCADA networks where bandwidth is limited (Power & Utilities, renewables, oil & gas, water/wastewater). It works alongside real-time TOP Server drivers to define time-based schedules (time-of-day and/or interval-based) for specific tags across one or more devices, with options for demand polls and visibility/diagnostics via system tags. Once licensed for a TOP Server instance, it can be applied across any real-time driver/protocol in that instance, making it cost-effective when multiple protocols exist on the same SCADA network. You can also define exceptions (times when polling should not occur) and set schedule priorities to resolve conflicts between schedules.

Why Choose This Plug-In?

Bandwidth Optimization

Server-controlled scheduling so communications happen at defined times for better bandwidth utilization

Network Protection

Helps prevent misconfigured client scan rates from consuming unnecessary network bandwidth

Flexible Scheduling

Supports multiple schedules with intervals and/or recurring periods (day/week/month patterns)

Multi-Device Support

Can include tags from multiple devices within a single schedule

Key Features & Benefits

Everything you need for flexible polling control

Schedule Priorities

Schedule priority handling for conflicts between schedules

System Visibility

System tags provide HMI/SCADA visibility into schedule behavior and polling results

Easy Configuration

Configuration supported via wizard workflows and CSV import/export

Universal Compatibility

Works with all real-time TOP Server drivers and protocols

What's Included

  • Server-controlled scheduling so communications happen at defined times for better bandwidth utilization
  • Helps prevent misconfigured client scan rates from consuming unnecessary network bandwidth
  • System tags provide HMI/SCADA visibility into schedule behavior and polling results
  • Supports multiple schedules with intervals and/or recurring periods (day/week/month patterns)
  • Can include tags from multiple devices within a single schedule
  • Schedule priority handling for conflicts between schedules
  • Configuration supported via wizard workflows and CSV import/export

Advanced Features

  • Configurable Schedule Priorities - Schedule priorities when schedules conflict
  • Multiple Recurrences & Exceptions - Supports many recurrences and exceptions per schedule
  • Flexible Recurrence Options - Recurrences can be interval-based or set to specific recurring times
  • Time-Based Exceptions - Exceptions can be defined as time windows and/or by day-of-week
  • Static and Dynamic Tags - Supports both static tags and dynamic tag references
  • Device Wizard - Device Wizard for rapidly adding consistent tag sets across many devices
  • CSV Import/Export - CSV import/export for bulk configuration
  • Real-Time Override Mode - Temporarily bypass schedules for higher-priority polling
  • System Tags - Special system tags support demand polls, enable/disable, and monitoring schedule/device status from clients

Common Features

  • Multi-threaded architecture for high scalability
  • Runtime configuration changes through a wizard-based UI with properties editor
  • Secure User Management
  • Built-in Device/Network Redundancy
  • Auto-Demotion (slow polling for problem devices)
  • Diagnostics via OPC/communications/event logging

Compatibility

Works with all TOP Server drivers and protocols

Compatible Drivers

  • All TOP Server drivers and plug-ins
  • TOP Server V6.0 or later
  • Windows Server 2012 or later
  • Windows 10/11

Note: Note: The Scheduler Plug-In works with all real-time TOP Server drivers. Once licensed for a TOP Server instance, it can be applied across any real-time driver/protocol in that instance.

Resources & Documentation

Everything you need to get started, configure, and troubleshoot your plug-in

TOP Server How-To Videos / Tutorials

How-to guides and application examples

View

TOP Server How-To Application Notes

How-to guides and application examples

View

TOP Server Quick Start Guide

Get started with TOP Server quickly

View

TOP Server Troubleshooting Guide

Troubleshooting help and diagnostics

View

Scheduler Plug-In Help File (PDF)

Complete plug-in documentation

Download

TOP Server current/past release notes

View release history and version information

View

Flexible Control of Real-Time Device Polling Schedules

Deep dive technical blog post

View

TOP Server Specific Blog Posts

Blog posts specific to TOP Server

View

TOP Server Operating System Support Information

OS compatibility and requirements

View

Perpetual License Information

License terms and information

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Support & Maintenance

Support and maintenance information

View

Software Toolbox Knowledge Base

Comprehensive support documentation

View

Customer Reviews

Customer ratings

4.6out of 5

87 global ratings

5 star
65%
4 star
25%
3 star
7%
2 star
2%
1 star
1%

Share your thoughts with other customers

Tom W.

Perfect for bandwidth-constrained networks

Reviewed in the United States on December 10, 2023

We use this in our distributed SCADA network across multiple remote sites. The ability to schedule polling during off-peak hours has significantly reduced our bandwidth costs. Setup was straightforward and it works flawlessly with our existing TOP Server drivers.

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Lisa M.

Great for utilities

Reviewed in the United States on November 22, 2023

As a utility company with hundreds of remote sites, the Scheduler Plug-In has been invaluable. We can now control polling schedules centrally and prevent network congestion. The system tags make it easy to monitor everything from our SCADA system.

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Robert K.

Works as advertised

Reviewed in the United States on October 8, 2023

Good product that does exactly what it says. The CSV import/export feature is particularly useful for managing schedules across many devices. Would give 5 stars if the initial configuration wizard was a bit more intuitive, but support helped us get set up quickly.

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