Varec 8620 manual Troubleshooting, Using Local Diagnostics LED Indicators, Purpose Description

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8620 Driver Entry Terminal

Troubleshooting

 

D5

D1

LEDs

Port 3

Port 1

 

D7

D2

 

Port 4

D8

D3

Port 2

 

D9

D4

 

 

 

SW7

 

 

 

 

Switch 7

Figure 5-2: LEDs and Switch 7 on the Varec Interface Board

Using Local Diagnostics (LED Indicators)

Refer to Figure 5-2 to locate the 8620 DET Switch 7 (SW7) and LED indicators.

1.If SW7 is Up, Port 4 is available as a USB port.

2.If SW7 is Down, Port 4 is used for a Varec Keyboard.

3.LED D6 is the power indicator switch.

4.Monitor the LED indications as described below:

LED

Purpose

Description

 

 

 

D1

Port 1

Green: Good USB Status

D2

 

Amber: USB Malfunction

 

 

 

D3

Port 2

Green:Good USB Status

D4

 

Amber: USB Malfunction

D5

Port 3

Green: Good USB Status

D7

 

Amber: USB Malfunction

 

 

 

D8

Port 4 = USB Port

Green: Good USB Status

D9

 

Amber: USB Malfunction

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D8

Port 4 = Varec Keyboard

Green: Good Varec Keyboard Status

D9

 

Amber: Varec Keyboard Malfunction

 

 

 

Table 5-2: 8620 LEDs and Switches for Troubleshooting

Varec, Inc.

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Contents Dispatch and Fuels Accounting Installation and Operations ManualVarec, Inc CopyrightIii Disclaimer of Warranties Limitations of Sellers LiabilitySafety Precautions Contents Contents Overview IntroductionDriver Entry Terminal Description IntroductionPLC Functionality and System DesignIntroduction Site Preparation Checklist Preparing for InstallationGeneral Safety Guidelines Installation Safety GuidelinesPreparing for Installation InstallationUnpacking DET Dimensions Preparing for Installation Wiring 8620 DET Internal Wiring WiringPin Pin Name Signal Type PowerCommunications Pin Wire Color Terminal Communications WiringPin Pin Name Communication ProtocolSetting Function ConfigurationConfiguration Configuring the DET.Config FileVariables Used in the DET.Config File Configuration Maintenance Maintenance and TroubleshootingDescription Maintenance and TroubleshootingUsing Local Diagnostics LED Indicators TroubleshootingPurpose Description Replacing a Fuse General SpecificationsSystem Components Specifications Environmental Host CommunicationElectrical Mechanical ConstructionCertifications and Approvals Order Codes Ordering InformationData Entry Terminal Ordering Information Page Document Code IOM097GVAE0709

8620 specifications

Varec 8620 is a specialized alloy steel that combines exceptional strength, toughness, and wear resistance, making it highly desirable in various industrial applications. This alloy is primarily composed of carbon, manganese, chromium, molybdenum, and nickel, offering a well-balanced microstructure that enhances its mechanical properties.

One of the main features of Varec 8620 is its versatility; it can be heat-treated to achieve different hardness levels and mechanical properties. This adaptability allows it to be tailored for specific applications, such as gears, crankshafts, and other critical components in automotive and aerospace industries. The alloy's effective balance of strength and ductility lends itself well to applications requiring material that can withstand dynamic loads and high-stress environments.

The manufacturing process of Varec 8620 often utilizes methods like forging, machining, and heat treatment. The heat treatment process, typically involving quenching and tempering, significantly improves the alloy's hardness and tensile strength, making it suitable for more demanding applications. Additionally, the alloy can be surface-hardened through processes like carburizing, which enhances its wear resistance and ensures longevity.

Key technologies employed in the production of Varec 8620 include advanced metallurgical techniques that optimize grain size and structure. These techniques contribute to the consistent performance of the alloy in service, ensuring reliability and efficiency. The alloy also benefits from specialized heat treatment techniques, which refine its internal microstructure, further enhancing its mechanical properties.

In terms of characteristics, Varec 8620 exhibits excellent fatigue resistance and impact toughness, making it ideal for parts subjected to cyclic loading. Its compatibility with various manufacturing processes allows for easy integration into existing production workflows. With a good balance between cost and performance, Varec 8620 provides a practical solution for manufacturers seeking durable and reliable materials.

Overall, Varec 8620 stands out as a robust and adaptable alloy steel, suitable for a wide range of critical applications. Its combination of mechanical properties, along with advanced processing capabilities, positions it as a preferred choice in industries where performance and reliability are paramount.