Wiring

Digital I/O Wiring

Four digital I/O modules can be installed in the 8620 DET. Field wiring should be installed directly onto the Digital I/O Rack as shown in Table 3-2 and Table 3-3.

Pin

Pin Name

 

 

2

I/O 1+

 

 

3

I/O 1-

 

 

4

I/O 2+

 

 

5

I/O 2-

 

 

6

I/O 3+

 

 

7

I/O 3-

 

 

8

I/O 4+

 

 

9

I/O 4-

Table 3-2:

Field Terminal

Pin

Wire Color

Terminal

 

 

 

 

 

1

Red

Standard Voltage

 

 

 

 

 

2

Black

GND

 

 

 

 

 

7

Orange

I/O 1

 

 

 

 

 

4

Empty

N/A

 

 

 

 

 

5

Brown

I/O 2

 

 

 

 

 

6

Empty

N/A

 

 

 

 

 

7

Blue

I/O 3

 

 

 

 

 

8

Empty

N/A

 

 

 

 

 

9

Gray

I/O 4

 

 

 

 

Table 3-3:

Control Terminal — to Single Board Computer

Ethernet Wiring

The 8620 DET has two 100-Base-T Ethernet jacks. One is located on the side of the single board computer. The second one is located on the communications terminal as shown in Figure 3-1.These standard 8-pin RJ-45 connectors are used for ethernet wiring.

Communications Wiring

Table 3-4describes the wiring considerations for each communications protocol.

Communication Protocol

Description

Ethernet

 

Maximum length of 250 feet of twisted pair CAT5 cable.

 

 

 

RS-232

 

Maximum length of 50 feet of cable.

 

 

 

RS-485/422

 

Maximum length of 4000 feet of cable.

 

 

Table 3-4:

Communications Wiring Information

12

Installation and Operations Manual

Page 18
Image 18
Varec 8620 manual Communications Wiring, Pin Pin Name, Pin Wire Color Terminal, Communication Protocol

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.