Table B-1. Specifications for Heater Power Supply

Instruction Manual

World Class 3000

Appendix B Rev. 2.2 January 1997

Table B-1. Specifications for Heater Power Supply
Table B-1. Specifications for Heater Power Supply

Environmental Classification	NEMA 4X (IP56) Optional - Class 1, Division 1,
	Group B (IP56)	B
Electrical Classification	Category II	B
Electrical Classification	Category II
Humidity Range	95% Relative Humidity
Ambient Temperature Range	-20° to 140°F (-30° to 60°C)
Ambient Temperature Range	-20° to 140°F (-30° to 60°C)
Vibration	5 m/sec2, 10 to 500 xyz plane
Cabling Distance Between HPS 3000 and Probe	Maximum 150 feet (45 m)
Cabling Distance Between HPS 3000 and CRE 3000	Maximum 1200 feet (364 m)
Cabling Distance Between HPS 3000 and IFT 3000	Maximum 1200 feet (364 m)
Approximate Shipping Weight	12 pounds (5.4 kg)

B-2 THEORY OF OPERATION

The HPS 3000 Heater Power Supply may per- form slightly different functions, depending upon which electronics package it is used with. Figure B-3shows a functional block diagram of the unit. The HPS contains a transformer for con- verting line voltage to 44 volts needed to power the probe heater. The relay, Figure B-3,can be used to remotely turn the probe on or off manu- ally. A triac module is used to turn the heater on or off, depending on probe temperature.

When used with the CRE 3000 Control Room Electronics or IFT 3000 Intelligent Field Trans- mitter, the HPS uses a cold junction tempera- ture compensation feature. This allows for the

	LINE

		RELAY
		TRIAC
FROM			AD590
FROM
IFT			PROBE TC
			PROBE TC
			STACK TC

use of a less expensive cable between the HPS and CRE or HPS and IFT. The HPS and elec- tronics package can be located up to 1200 feet (364 m) apart.

The standard cable, between probe and HPS, is thermocouple compensated. This prevents the additional junctions between thermocouple and cable from producing a voltage which would af- fect the thermocouple output signal. A tem- perature sensor in the HPS monitors the temperature at the junction and sends a voltage signal to the CRE and IFT. The CRE and IFT uses this signal to compensate the probe ther- mocouple reading for the temperature at the junction between the compensated and uncom- pensated cables.

TO HEATER

PROBE

PROBE TC

STACK TC

CELL MV

CELL

686015

Figure B-3. Heater Power Supply Block Diagram

Rosemount Analytical Inc. A Division of Emerson Process Management

Appendices B-3

3000 specifications

The Emerson 3000 is a cutting-edge control system designed to enhance the efficiency, reliability, and precision of industrial operations. Employed across various sectors such as oil and gas, pharmaceutical, food and beverage, and power generation, the Emerson 3000 has gained recognition for its robustness and versatility.

One of the main features of the Emerson 3000 is its advanced process control capability. With integrated control algorithms, it can optimize complex processes in real-time, resulting in significant improvements in production rates and reduced operational costs. The system's predictive analytics capabilities enable operators to anticipate equipment failures and maintenance needs, allowing for proactive management and minimizing downtime.

The Emerson 3000 features a modular architecture, providing flexibility for scaling and customization. Operators can easily tailor the system to fit specific application needs, whether it requires additional control loops or integration with other systems. This adaptability is particularly beneficial for facilities planning for future expansions or modifications.

Another technology highlight of the Emerson 3000 is its seamless integration with the latest Internet of Things (IoT) advancements. The system is designed to communicate effectively with a variety of smart devices and sensors, harnessing data to create insightful analytics that drive operational excellence. This connectivity empowers businesses to leverage big data for improved decision-making and increased agility.

Additionally, the Emerson 3000 incorporates state-of-the-art cybersecurity measures to safeguard critical data and operations. With built-in security protocols and regular updates, the system protects against emerging cyber threats, ensuring the integrity of the control network.

User experience is also a focal point of the Emerson 3000. The intuitive graphical user interface presents complex data in a user-friendly format, making it easier for operators to monitor system performance and respond to alerts quickly. This ease of use contributes to enhanced safety and operational efficiency.

In summary, the Emerson 3000 represents a fusion of advanced process control, modular design, IoT connectivity, robust cybersecurity, and user-centric interface, making it an ideal choice for industries seeking to enhance their operational performance while adapting to ever-evolving technological landscapes.