Molded Case Circuit Breakers For Electrical Protection
Automation NotebookCircuit ProtectionIssue 4 – 2005Learning ResourcesNotebook IssueProduct

Molded Case Circuit Breakers For Electrical Protection

AutomationDirect now carries a line of Molded Case Circuit Breakers (MCCBs) that offers UL489 listed performance for branch circuit overcurrent protection and disconnecting means. The circuit breakers’ small size saves panel space, compared to standard breakers or comparable fusible devices. The breakers are manufactured under license from Eaton Electrical, Inc., the manufacturer of Cutler-Hammer products….
AC Drives Focused on Energy Conservation
+Tech TopicsAC Motors and ControlsApplicationAutomation NotebookCover StoriesEnergy/UtilitiesIndustryIssue 4 – 2005Learning ResourcesManufacturingNotebook IssueProductVariable Speed Drives

AC Drives Focused on Energy Conservation

Today, energy conservation and cost-cutting solutions have become a major focus in the manufacturing sector. Energy costs continue to increase and the extreme growth in China is contributing to rising costs in other areas of goods, including steel and coal. Managers of manufacturing facilities are faced with many questions regarding energy conservation and efficiency. They…
Brainteaser Answers - Issue 2, 2004
Automation NotebookIssue 2 – 2004Learning ResourcesNotebook IssueThe Break Room

Brainteaser Answers - Issue 2, 2004

In each issue of the Automation Notebook we feature a section of brainteasers. These are the brainteaser answers from  Issue 2, 2004 of the Automation Notebook. The brainteaser questions are repeated in black. The answers to the brainteaser questions are highlighted in red with explanations. You can view the brainteasers from Issue 2, 2004 without the answers here: http://library.automationdirect.com/brainteasers-issue-2-2004/…
Implementing a PLC Calibration Routine to Ensure Accurate Instrument Readings
+Tech TopicsAutomation NotebookFYIIssue 2 – 2004Learning ResourcesNotebook IssueProductProgrammable Control

Implementing a PLC Calibration Routine to Ensure Accurate Instrument Readings

Why Calibrate? Many applications call for a means to take accurate analog measurements. Force, pressure, electrical current, lengths, positions and other analog values that are measured must be done so with a degree of accuracy. Factory and lab personnel use calibration procedures to ensure that equipment is reading accurately. If the readings are not as…
Common Questions About Control Transformers
+Tech TopicsAutomation NotebookElectrical PowerIssue 2 – 2004Learning ResourcesNotebook IssueProductTechnical Review

Common Questions About Control Transformers

What Is A Control Transformer? A control transformer is an isolation transformer designed to provide a high degree of secondary voltage stability (regulation) during a brief period of overload condition (also known as ‘inrush current’). Control transformers are also known as machine tool transformers, industrial control transformers, or control power transformers. How Do I Select…
Using Indirect Addressing in a PLC to Scale a Non-linear Analog Input Signal
+Tech TopicsAutomation NotebookIssue 2 – 2004Learning ResourcesNotebook IssueProductProgrammable ControlTech Thread

Using Indirect Addressing in a PLC to Scale a Non-linear Analog Input Signal

Indirect addressing, or pointer addressing as it is called with Koyo PLCs, is an addressing mode found in many processors’ instruction sets that specifies a register that contains the effective address. Accessing the operand requires two memory accesses – one to fetch the effective address and another to read or write the actual operand. Indirect…
Ever Wonder How AutomationDirect Customers Are Applying Their Products?
Application StoriesAutomation NotebookEnergy/UtilitiesIndustryIssue 2 – 2004Learning ResourcesNotebook IssuePLCProductProgrammable ControlUser SolutionsWater/Wastewater

Ever Wonder How AutomationDirect Customers Are Applying Their Products?

Check out some of the application stories we’ve collected and you’ll see that AutomationDirect products are used in a wide variety of applications across many different industries. — Jump to Application Spotlight D2-250 PLC PID Loops Control Pumps In Residential Water System We used PID loops in the D2-250 CPU to control three pumps and…
PLC Technology and Application Tips
+Tech TopicsAutomation NotebookIssue 2 – 2004Learning ResourcesNotebook IssuePLC SpeakingProductProgrammable Control

PLC Technology and Application Tips

Over the past ten years, AutomationDirect, formerly PLCDirect, has provided PLC (Programmable Logic Controller) products in many shapes, sizes, and I/O counts, and with a wide variety of features. Since PLCs were the products on which this company was founded, it is only natural to devote a column on the subject of PLCs in the…
Business Notes – Issue 2, 2004
Automation NotebookBusiness NotesCompany TopicsIssue 2 – 2004Learning ResourcesNewsNotebook IssueProductVariable Speed Drives

Business Notes – Issue 2, 2004

RFID Will Affect Many Manufacturers And Packagers Radio frequency identification (RFID) has become one of the most visible issues in manufacturing and packaging in recent months. At its simplest, RFID is a generic term for technologies that use radio waves to automatically identify products to which a special tag has been affixed. To identify or…