Document: LT0273

MX4428 MXP Engineering / Technical Manual

3.25.2

SAD

3-51

3.25.3

AVF/SAD

3-51

3.25.4

FLOWSWITCH

3-51

CHAPTER 4 ANALOGUE LOOP DESIGN CONSIDERATIONS

...........................4-1

4.1

ANALOGUE LOOP CONFIGURATION SELECTION

4-2

4.1.1

LINES & LOOPS

4-2

4.1.2

LOOP FAULT TOLERANCE

4-2

4.1.3

AS1670.1 DESIGN REQUIREMENTS

4-2

4.1.4

NZS4512 DESIGN REQUIREMENTS

4-2

4.2

 

ANALOGUE LOOP/LINE LAYOUTS

4-3

4.2.1

LINE MODE

4-3

4.2.2

LOOP DESIGN WITH SHORT CIRCUIT ISOLATORS

4-3

4.2.3

STAR CONNECTION OF ANALOGUE LINES

4-5

4.2.4

SPURS

4-5

4.3

 

CABLE SELECTION CONSIDERATIONS

4-6

4.4

 

AC REQUIREMENTS

4-7

4.4.1

GENERAL

4-7

4.5

 

DC CONSIDERATIONS

4-7

4.5.1

GENERAL

4-7

4.6

 

MECHANICAL CONSIDERATIONS

4-7

4.7

 

NOISE CONSIDERATIONS

4-8

CHAPTER 5 MXP CURRENT CONSUMPTION

5-1

5.1

 

THEORY

5-2

5.1.1

ALARM CURRENT

5-2

5.1.2

QUIESCENT CURRENT

5-3

5.1.3

HEAT LOSS

5-3

CHAPTER 6 EVENT LOG AND STATUS AT MX4428

6-1

6.1

 

RETURNED ANALOG VALUES

6-2

6.2

FAULT AND ALARM EVENT LOG

6-3

CHAPTER 7 MXP TECHNICAL DESCRIPTION

7-1

7.1

 

GENERAL

7-2

7.2

 

CIRCUIT DESCRIPTION

7-3

7.2.1

BLOCK DIAGRAM

7-3

7.2.2

MICROPROCESSOR & LOGIC CIRCUITRY

7-3

7.2.3

MXP POWER SUPPLY

7-4

7.2.4

MX4428 LOOP INTERFACE

7-6

7.2.5

ANALOGUE LOOP INTERFACE

7-7

7.3

 

MXP ADJUSTMENTS

7-10

7.3.1

40V ISO SUPPLY VOLTAGE ADJUSTMENT

7-10

7.3.2

TX DATA VOLTAGE ADJUSTMENT

7-10

7.3.3

40V ISO SUPPLY CURRENT LIMIT ADJUSTMENT

7-10

7.4

 

MXP LED INDICATIONS

7-11

7.5

 

PARTS LIST

7-12

CHAPTER 8 MXP DIAGNOSTIC TERMINAL

8-1

8.1

MXP DIAGNOSTIC TERMINAL OPERATION

8-2

8.1.1

INTRODUCTION

8-2

8.1.2

MENU OF COMMANDS

8-2

8.1.3

SELECTING POINTS FOR MONITORING

8-2

8.1.4

DISPLAYING DEVICE ANALOGUE VALUES - CV, TV, ETC

8-3

8.1.5

ST (STATUS COMMAND)

8-5

8.1.6

ANALOG LOOP DIAGNOSTICS

8-6

8.1.7

ADVANCED COMMANDS

8-8

8.1.8

MX4428 DIAGNOSTICS

8-8

Issue 1.5

24 March 2006

Page v

Page 4 Page 6
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Tyco MX4428 technical manual Analogue Loop Design Considerations
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MX4428 specifications

The Tyco MX4428 is a cutting-edge device known for its robust performance in the realm of wireless communication and sensor acquisition. Tailored for applications in various sectors, the MX4428 is particularly well-suited for industrial automation, environmental monitoring, and smart city initiatives. With its advanced features, the device has gained tremendous popularity among engineers and developers looking for reliability and efficiency in data transmission.

One of the standout features of the MX4428 is its exceptional range, which can extend up to several kilometers under optimal conditions. This long-range capability ensures that data can be transmitted over vast distances without degradation in quality, making it ideal for remote monitoring applications. Additionally, the device operates on multiple frequency bands, providing flexibility in deployment based on specific regional requirements and regulatory guidelines.

The MX4428 utilizes a highly efficient radio protocol that enhances data throughput while reducing power consumption. This asymmetric data transmission method allows for low-duty cycle operation, extending battery life and autonomy. The device's energy efficiency is particularly beneficial in applications where frequent battery replacement would be impractical, such as in environmental sensors and agricultural monitoring systems.

Furthermore, the MX4428 is equipped with comprehensive sensor integration capabilities. It can seamlessly interface with various sensors, making it a versatile choice for collecting a wide range of data types. From temperature and humidity sensors to motion detectors, the MX4428 can serve as a central hub for data gathering and transmission, providing real-time insights into environmental conditions.

Security is also a paramount consideration in the design of the MX4428. It incorporates robust encryption and authentication protocols to safeguard data integrity during transmission. This feature is crucial for applications involving sensitive information or those that require compliance with strict regulatory frameworks.

In summary, the Tyco MX4428 is a powerful and versatile device that boasts a combination of long-range communication, low power consumption, and comprehensive sensor integration capabilities. Its robust security features further enhance its appeal for critical applications across various industries. Whether for industrial, environmental, or smart city use cases, the MX4428 stands out as a reliable solution that meets the demands of modern wireless communication landscapes.
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