Black Box EME1C1-005 El manual del propietario

Marca: Black Box

Modelo: EME1C1-005

Tipo: El manual del propietario

El Black Box EME1C1-005 es un convertidor de señal de 4-20 mAmp que permite integrar un transmisor de 4-20 mAmp con una gateway. Esta solución se utiliza a menudo en la industria de control de procesos para recopilar valores analógicos de una amplia gama de sensores remotos. El uso de esta tecnología permite una comunicación confiable en largas distancias, ya que las señales de corriente son menos susceptibles al ruido que las señales de voltaje.

RS-TOUCH SERIES

IN-SESSION

COMMON

SETTINGS

SETUP GUIDE

24/7 TECHNICAL SUPPORT AT 1.877.877.2269 OR VISIT BLACKBOX.COM

ALERTWERKS

4-20mAMP

CONVERTER

EME1C1-005

USER MANUAL

CHAPTER 1: INTRODUCTION AND SPECIFICATIONS

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1.1 INTRODUCTION

The AlertWerks 4-20 mAmp signal converter is used to integrate the gateway with a 4-20 mAmp transmitter. 4-20 mAmp

technology is used to communicate analog signals over long distances where electrical interference is a problem. This

solution is often used in the process control industry to collect the analog values from a wide array of remote sensors.

Current signals are much less susceptible to noise than voltage signals. A voltage signal can be converted to current and

then broadcast over a long distance before it is converted back to voltage and read by the unit.

4-20 mA transmitters are common in the industry for use with high quality sensors. With the AlertWerks 4-20 mAmp

converter, these sensors can now be integrated into the gateway, enhancing their value with the addition of graphing,

web interface, email interface, thresholds, and limits.

The accuracy of our 4-20mA converters is 2%.

The resolution of our 4-20mA converters is 0.1mA.

You can use these figures in conjunction with your sensor’s accuracy to find the overall precision of your readings.

You can also calibrate the AlertWerks 4-20mAmp converter.

One popular OID for the 4-20 mAmp Converters is the current reading. For a 4-20 mAmp Converter plugged into

RJ-45#1 that OID is: .1.3.6.1.4.1. 3854.1.2.2.1.17.1.3.0

1.2 SPECIFICATION AND FEATURES

 LED INDICATORS ON CONVERTER SHOW CONNECTION TO UNIT

 THE CONVERTER CONNECTS TO THE GATEWAY USING STANDARD CATx CABLE.

 POWER SOURCE: POWERED BY THE UNIT. NO ADDITIONAL POWER NEEDED.

 THE GATEWAY AUTO DETECTS THE PRESENCE OF THE 4-20MA CONVERTER.

 FULL AUTOSENSE INCLUDING DISCONNECT ALARM

If you need any further information or help with using your unit, contact us at techsupport@blackbox.com.

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CHAPTER 2: CONFIGURATION

2.1 CONFIGURATING THE 4-20MA CONVERTER

1. Plug the sensor into one of the RJ-45 ports on the gateway.

2. Point your browser to the IP address of the unit (default, 192.168.0.100) and then log in as the administrator

using your administrator password (default is “public”). You will then be taken to the summary page.

3. Select the sensor’s tab from the summary page. The layout of the next page will vary depending on your unit,

so refer to your unit’s manual for more information.

4. Set up the sensor thresholds. The low critical, low warnings, normal, high warnings, and high critical values can

be set from this page.

Next, we will cover the settings that are specific to your sensor.

Current Reading:

The percentage or absolute value of the 4-20mAmp Converter is displayed in this field. This is a read-only field.

This value can be polled via SNMP, and the data can be used for graphing. The value range is set by the base and

max scale fields in the Custom 4-20mAmp Converter Settings.

Status:

The current reading is compared to the thresholds of Critical High, Warning High, Critical Low, and Warning Low

that the user has set. From this, the status is then formed, and emails or traps are sent if necessary.

Critical High, Warning High, Warning Low, and Critical Low:

These thresholds should be re-entered every time there is a change in the type of scale (whether an absolute value

or a percentage value is used).

Display Units:

This field should be entered with an appropriate unit of the measured entity. For example, this field might be

entered with Pounds or Lbs when the input of the 4-20mA Converter is a measured pressure, or mA for an absolute

value of measured current.

Type of scale:

This field is used to select whether to display the current reading as an absolute or a percentage value.

Max Scale of Sensor in mA:

This field should be entered with the maximum value of the mAmp that is input to the 4-20mAmp Converter. For

most cases, the value of this field should be 20.

Base Scale of Sensor in mA:

This field should be entered with the minimum value of the mAmp that is input to the 4-20mAmp Converter. For

most cases, the value of this field should be 4.

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CHAPTER 3: CONFIGURATION

How Many Percent or How Many Unit (Max Scale):

The field name is changed accordingly to the selected type of scale (absolute value or percentage). When the type of

scale is set to Absolute, this field should be set to the maximum absolute value of a measured entity which is input to

the 4-20mAmp Converter. When the type of scale is set to Percent, this field should be set to 100 percent.

How Many Percent or How Many Unit (Base Scale):

The field name is changed accordingly to the selected type of scale (absolute value or percentage). When the type of

scale is set to Absolute, this field should be set to the minimum absolute value of a measured entity which is input to

the 4-20mAmp Converter. When the type of scale is set to Percent, this field should be set to 0 percent.

Example (assuming the 4-20 mAmp Converter is input from a pressure sensor which output 4-20 mAmp for pressure

in range of 50-300 pounds): Enter “Display Unit” as “Lbs” for pound. Select “Type of Scale” as “Absolute.” Other fields

should be configured as indicated in Table 2-1:

TABLE 2-1 SETTINGS AND VALUES

SETTING FIELDS VALUE

Max Scale of Sensor in mAmp .

Base Scale of Sensor in mAmp 4.0

How Many Lbs at 20.0 mAmp 300.0

How Many Lbs at 4.0 mAmp 50.0

An illustration of a typical 4-20mAmp setting appears below:

FIGURE -: TYPICAL SETTING

TABLE 2-2 INPUT A AND PERCENT

INPUT A PERCENT

4.06 mAmp 

9.9 mAmp 36

15.1 mAmp 69

19.8 mAmp 99

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CHAPTER 1: HEADLINE

APPENDIX A: REGULATORY INFORMATION

A.1 FCC STATEMENT

This equipment has been tested and found to comply with the regulations for a Class B digital device, pursuant to

Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference

when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate

radio frequency energy and, if not installed and used in accordance with this Quick Installation Guide, may cause

harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause

harmful interference in which case, the user will be required to correct the interference at his/her own expense.

A.2 CE STATEMENT

This is a Class B product in a domestic environment, this product may cause radio interference, in which case the

user may be required to take adequate measures.

A.3 ROHS

This product is RoHS compliant.

CHAPTER 1: HEADLINE

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APPENDIX A: REGULATORY INFORMATION

A.4 NOM STATEMENT

1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado.

2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.

3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de operación deben ser respetadas.

4. Todas las instrucciones de operación y uso deben ser seguidas.

5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca de la tina de baño, lavabo, sótano

mojado o cerca de una alberca, etc.

6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que sean recomendados por el

fabricante.

7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado por el fabricante.

8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones de

operación. Todo otro servicio deberá ser referido a personal de servicio calificado.

9. El aparato eléctrico debe ser situado de tal manera que su posición no interfiera su uso. La colocación del aparato

eléctrico sobre una cama, sofá, alfombra o superficie similar puede bloquea la ventilación, no se debe colocar en

libreros o gabinetes que impidan el flujo de aire por los orificios de ventilación.

10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor,

estufas u otros aparatos (incluyendo amplificadores) que producen calor.

11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de

operación, o como se indique en el aparato.

12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada.

13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos

colocados sobre o contra ellos, poniendo particular atención a los contactos y receptáculos donde salen del

aparato.

14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del fabricante.

15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas de energia.

16. El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de

tiempo.

17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios

de ventilación.

18. Servicio por personal calificado deberá ser provisto cuando:

A: El cable de poder o el contacto ha sido dañado; u

B: Objectos han caído o líquido ha sido derramado dentro del aparato;o

C: El aparato ha sido expuesto a la lluvia; o

D: El aparato parece no operar normalmente o muestra un cambio en su desempeño; o

E: El aparato ha sido tirado o su cubierta ha sido dañada.

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APPENDIX B: DISCLAIMER/TRADEMARKS

B.1 DISCLAIMER

Black Box Corporation shall not be liable for damages of any kind, including, but not limited to, punitive, consequential

or cost of cover damages, resulting from any errors in the product information or specifications set forth in this

document and Black Box Corporation may revise this document at any time without notice.

B.2 TRADEMARKS USED IN THIS MANUAL

Black Box and the Black Box logo type and mark are registered trademarks of BB Technologies, Inc.

Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

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Black Box EME1C1-005 El manual del propietario

Marca: Black Box

Modelo: EME1C1-005

Tipo: El manual del propietario

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