EKO MC-11 Bedienungsanleitung

INSTRUCTION MANUAL

MC-11

4-20mA Signal Converte

for Pyranometers

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 1

1. Index

1. Index 1

2. Important User Information 2

2-1. Contact Information 2

2-2. Warranty and Liability 2

2-3. About Instruction Manual 3

2-4. Environment 3

2-5. CE Declaration 4

3. Safety Information 5

3-1. WARNING/CAUTION 5

4. Introduction 6

4-1. Main Functions 6

4-2. Package Contents 7

5. Getting Started 8

5-1. Parts Name 8

5-2. Setup 9

5-3. Measurement 11

6. Troubleshooting 12

6-1. Troubleshooting 12

7. Specification 13

7-1. Transducer Specification 13

7-2. Dimensions 14

7-3. Accessories List 15

APPENDIX 16

A-1. Optional Items 16

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 2

2. Important User Information

Thank you for using EKO Products

Make sure to read this instruction manual thoroughly and to understand the contents before starting to operate the

instrument. Keep this manual at safe and handy place for whenever it is needed.

For any questions, please contact us at one of the EKO offices given below:

2-1. Contact Information

EKO INSTRUMENTS CO., LTD.

Asia, Oceania Region

www.eko.co.jp

[email protected]

EKO INSTRUMENTS Co., Ltd.

1-21-8 Hatagaya, Shibuya-ku

Tokyo, 151-0072 Japan

Tel: +81 (3) 3469-6711

Fax: +81 (3) 3469-6719

Europe, Middle East, Africa, South America Region

www.eko-eu.com

[email protected]

EKO INSTRUMENTS Europe B.V.

Lulofsstraat 55, Unit 32,

2521 AL, Den Haag, The Netherlands

Tel: +31 (0)70 3050117

Fax: +31 (0)70 3840607

North America Region

www.eko-usa.com

[email protected]

EKO INSTRUMENTS USA Inc.

95 South Market Street, Suite 300

San Jose, CA 95113 USA

Tel: +1 408-977-7751

Fax: +1 408-977-7741

2-2. Warranty and Liability

For warranty terms and conditions, contact EKO or your distributor for further details.

EKO guarantees that the product delivered to customer has been verified, checked and tested to ensure that

the product meets the appropriate specifications. The product warranty is valid only if the product has been

installed and used according to the directives provided in this instruction manual.

In case of any manufacturing defect, the product will be repaired or replaced under warranty. However, the

warranty does not apply if:

Any modification or repair was done by any person or organization other than EKO service

personnel.

The damage or defect is caused by not respecting the instructions of use as given on the product

brochure or the instruction manual.

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 3

2-3. About Instruction Manual

Copy Rights Reserved by EKO INSTRUMENTS CO., LTD. Making copies of whole or parts of this

document without permission from EKO is prohibited.

This manual was issued: 2017/05/23

Version Number: 5

2-4. Environment

1. WEEE Directive 2002/96/EC

(Waste Electrical and Electronic Equipment)

This product is not subjected to WEEE Directive 2002/96/EC however it should not be mixed with general

household waste. For proper treatment, recovery and recycling, please take this product(s) to designated

collection points.

Disposing of this product correctly will help save valuable resources and prevent any potential negative

effects on human health and the environment, which could otherwise arise from inappropriate waste

handling.

2. RoHS Directive 2002/95/EC

EKO Instruments has completed a comprehensive evaluation of its product range to ensure compliance with

RoHS Directive 2002/95/EC regarding maximum concentration values for substances. As a result all products

are manufactured using raw materials that do not contain any of the restricted substances referred to in the

RoHS Directive 2002/95/EC at concentration levels in excess of those permitted under the RoHS Directive

2002/95/EC, or up to levels allowed in excess of these concentrations by the Annex to the RoHS Directive

2002/95/EC.

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 4

2-5. CE Declaration

DECLARATION OF CONFORMITY

We: EKO INSTRUMENTS CO., LTD

1-21-8 Hatagaya Shibuya-ku,

Tokyo 151-0072 JAPAN

Declare under our sole responsibility that the product:

Product Name: 4 to 20mA Signal Converter

Model No.: MC-11

To which this declaration relates is in conformity with the following harmonized

standards of other normative documents:

Harmonized standards:

EN 61326-1:2013 Class A (Emission)

EN 61326-1:2013 (Immunity)

Test was done in this condition which are signal cable length is under 3m and used the

metal box.

Following the provisions of the directive:

EMC-directive: 2004/108/EC

Date: July. 1, 2015

Position of Authorized Signatory: Deputy General Manager of Quality Assurance Dept.

Name of Authorized Signatory: Shuji Yoshida

Signature of Authorized Signatory:

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 5

3. Safety Information

EKO Products are designed and manufactured with consideration for safety; however, please make

sure to read and understand this instruction manual thoroughly to be able to operate the instrument

safely in the correct manner.

WARNING

CAUTION

Attention to user; pay attention to the instructions given on the

instruction manual with this sign.

3-1. WARNING/CAUTION

1. Setup

Install MC-11 in a dry place (where MC-11 will not get wet or soaked in water).

Do not install MC-11 in direct sun light.

Use MC-11 with grounding connection.

Although this product is tested to meet EMC Directive compliance requirements, it may not fully

satisfy its primary specification/performance when using this product near following locations

where strong electromagnetic wave is generated. Please pay attention to the installation

environment.

Outdoor: High voltage power line, power receiver/distribution facility, etc.

Indoor: Large-size chiller, large rotation device, microwave, etc.

2. Power Supply

Always check the voltage and AC/DC type for the specified supply power before connecting the

MC-11. If wrong type of power supply is connected, it may cause MC-11 malfunction and lead to

accidents.

Use with fuse around 0.5A connected in series on the power supply cable. Depending on the

power supply connected, large current may flow when the internal malfunction occur, and may lead

to generating heat and fire.

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 6

4. Introduction

4-1. Main Functions

Pyranometer Signal Converter MC-11 is a compact signal converter which converts the voltage signal output

(mV) from sensors like pyranometers into current loop signal output (mA). The output range of the current

loop is between 4 to 20mA; 4mA is equivalent to 0W/m2, 20mA is equivalent to 1,600W/m2of solar irradiance.

(This setting can be changed using the optional signal converter configuration cable and Configurator

Software.)

By converting the output into current loop signal, not only it makes easier to connect the pyranometers to PV

monitoring devices, it also reduce impacts from noise and signal level decrease when transmitting in a long

distance.

By using the signal converter configuration cable (optional) and the Configurator Software (optional), the

measurement configuration for the signal converter can be changed.

With IP65 signal converter box (optional), it can be installed outdoor.

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 7

4-2. Package Contents

Check the package contents first; if any missing item or damage is noticed, please contact EKO immediately.

Table 4-1 Package Contents

Standard Items Qty. Remarks

4-20mA Signal Converter 1 unit

L-Shaped Tab Terminals (Male) 4 pcs.

Plug-Type Crimping Terminals 4 pcs.

Round-Type Grounding Terminal 1 pc.

Double-Sems Screw for Grounding

Terminal 1pc.

Double-Sems Screws for Installation 2pcs

Inspection Report 1

Instruction Manual -- Not included in the package.

Please download from EKO Website

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 8

5. Getting Started

5-1. Parts Name

Each part name and its main functions are described below.

Table 5-1. Parts Name and Terminal Numbers

Parts Name Terminal Numbers

1 Pyranometer Voltage Signal Input Terminal ( - ) 1

2 Pyranometer Voltage Signal Input Terminal ( + ) 2

3 NTC Thermistor Connection Terminal 3

4 NTC Thermistor Connection Terminal 4

5 4-20mA Output & Power Supply Input Terminal ( - ) 5

6 4-20mA Output & Power Supply Input Terminal ( + ) 6

7 Grounding Terminal N/A

Figure 5-1. Parts Name

65 7

3 4

EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual Ver.5 Pg. 9

5-2. Setup

1. Installation

1) Install MC-11 in dry location (where it will not get wet or get soaked in water).

2) Keep MC-11 away from direct sunlight.

3) When fixing the MC-11 to mounting plate, use provided Double-Sems Screws for installation. Maximum

torque for fastening the MC-11 to mounting is 0.4N/m.

NOTE: MC-11 is paired with the pyranometer which is purchased together; when connecting with the

pyranometer, make sure to connect with the right pyranometer. Use the pyranometer with same serial

number stated on the MC-11 inspection report.

NOTE: The recommended maximum length of 4-20mA signal cable is 300m when using DC24V power

supply and AWG25 (0.2sq) cable.

2. Wiring

1) Attach the provided L-shaped tab terminal (male) to the terminal numbers 1, 2, 5, and 6.

2) Crimp and connect the plug-type crimping terminal (female) to input and output cable ends. (Please use

crimping tool that is for crimping terminal with insulating coating applicable for 1.25mm2).

3) Connect the L-shaped tab terminal (male) attached to the MC-11 and plug-type crimping terminal

(female).

4) There are 2 ways to connect with the peripheral devices:

・ Using Current Meter: As shown on Figure 5-2, insert the current meter directly to the 4-20mA

current loop circuit and measure its value. A voltage drop occurs with the internal resistance of the

ammeter. Check the internal resistance of the ammeter and select the power supply voltage taking

voltage drop into account. The recommended power supply voltage is 24V.

・ Using Voltmeter: As shown on Figure 5-3, insert shunt resistance to the 4-20mA current loop circuit

and measure the voltage at both ends of resistance. When 250Ωshunt resistance value for

example is inserted, 4-20mA is converted into 1-5V. Prepare shunt resistance according to the

measurement range of voltmeter to be used. Moreover, voltage decreases by inserting shunt

resistance; please keep this in mind when selecting power supply voltage. The recommended

power supply voltage is 24V.

5) Connect the shield cable from Pyranometer to grounding terminal on MC-11. Also ground the MC-11

grounding terminal. When connecting the cable to the grounding terminal, use provided round terminal

for grounding terminal and double-sems screw for grounding terminal.

6) Prepare a fuse with rated current 0.5A. Using the fuse holder specified for this fuse, connect in series to

the power supply. Depending on the connecting power supply, there are risks for internal malfunction

and generating heat and fire when large amount of current flows

7) To use the temperature compensation function using a pyranometer with output wire for NTC Thermistor,

connect this output wire to terminal numbers 3 and 4.

(To use the temperature compensation function, optional converter configuration cable and Configurator

Software are required)

(44031 (Measurement Specialties Inc.) Only 10kΩNTC thermistor can be connected.)

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