Macnaught ER Operating Manual
MS476
0014
FLOWRATE INDICATOR / TOTALIZER
0615
Electronic Register (ERA)
METER MOUNT REMOTE MOUNT
ERA-RMA
ERA-M ERA-RMP
GA110P GB110P
Signal input flowmeter: NPN and Reed
Signal outputs: (0)4-20mA ref. flowrate and pulse ref. total
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SAFETY INSTRUCTIONS
Any responsibility is lapsed if the instructions and procedures as described in this manual are
not followed.
LIFE SUPPORT APPLICATIONS: The ERA is not designed for use in life support appliances,
devices, or systems where malfunction of the product can reasonably be expected to result in a
personal injury. Customers using or selling these products for use in such applications do so at
their own risk and agree to fully indemnify the manufacturer and supplier for any damages
resulting from such improper use or sale.
Electro static discharge does inflict irreparable damage to electronics! Before installing or
opening the unit, the installer has to discharge himself by touching a well-grounded object.
This unit must be installed in accordance with the EMC guidelines (Electro Magnetic
Compatibility).
Do connect a proper grounding to the aluminum casing as indicated.
DISPOSAL - WEEE DIRECTIVE
The WEEE Directive requires the recycling of waste electrical and electronic equipment in the
European Union.
Whilst the WEEE Directive does not apply to some of Macnaught’s products, we support its policy and
ask you to be aware of how to dispose of this product.
The crossed out wheelie bin symbol illustrated and found on our products signifies that this product
should not be disposed of in general waste or landfill.
Please contact your local dealer national distributor or Macnaught Technical Services for information on
product disposal..
SAFETY RULES AND PRECAUTIONARY MEASURES
The manufacturer accepts no responsibility whatsoever if the following safety rules and precautions
instructions and the procedures as described in this manual are not followed.
Modifications of the ERA implemented without preceding written consent from the manufacturer, will result
in the immediate termination of product liability and warranty period.
Installation, use, maintenance and servicing of this equipment must be carried out by authorized
technicians.
Check the mains voltage and information on the manufacturer's plate before installing the unit.
Check all connections, settings and technical specifications of the various peripheral devices with the ERA
supplied.
Open the casing only if all leads are free of potential.
Never touch the electronic components (ESD sensitivity).
Never expose the system to heavier conditions than allowed according to the casing classification (see
manufacture's plate and chapter 4.2.).
If the operator detects errors or dangers, or disagrees with the safety precautions taken, then inform the
owner or principal responsible.
The local labor and safety laws and regulations must be adhered to.
MS476_0615_0014
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Hardware version: 03.01.xx
Software version: 03.01.xx
Manual : MS476_0615_0014
© Copyright 2015 Macnaught Pty Ltd – All rights reserved
Information in this manual is subject to change without prior notice. The
manufacturer is not responsible for mistakes in this material or for incidental
damage caused as a direct or indirect result of the delivery, performance or
use of this material.
© All rights reserved. No parts of this publication may be reproduced or used
in any form or by any means without written permission of your supplier.
ABOUT THE OPERATION MANUAL
This operation manual is divided into two main sections:
The daily use of the unit is described in chapter 2 "Operation". These instructions are meant for
users.
The following chapters and appendices are exclusively meant for electricians/technicians. These
provide a detailed description of all software settings and hardware installation guidance.
This operation manual describes the standard unit as well as most of the options available. For
additional information, please contact your supplier.
A hazardous situation may occur if the ERA is not used for the purpose it was designed for
or is used incorrectly. Please carefully note the information in this operating manual
indicated by the pictograms:
A "warning" indicates actions or procedures which, if not performed correctly, may lead to
personal injury, a safety hazard or damage of the ERA or connected instruments.
A "caution" indicates actions or procedures which, if not performed correctly, may lead to
personal injury or incorrect functioning of the ERA or connected instruments.
A "note" indicates actions or procedures which, if not performed correctly, may indirectly
affect operation or may lead to an instrument response which is not planned.
MS476_0615_0014
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CONTENTS MANUAL
Safety instructions ................................................................................................................................ 2
Disposal - WEEE Directive ................................................................................................................... 2
Safety rules and precautionary measures ............................................................................................ 2
About the operation manual ................................................................................................................. 3
Contents manual ................................................................................................................................... 4
1. Introduction ....................................................................................................................... 5
1.1. System description of the ERA .............................................................................. 5
2. Operational ....................................................................................................................... 7
2.1. General .................................................................................................................. 7
2.2. Control panel .......................................................................................................... 7
2.3. Operator information and functions ....................................................................... 8
3. Configuration .................................................................................................................... 9
3.1. Introduction ............................................................................................................ 9
3.2. Programming SETUP-level .................................................................................... 9
3.2.1. General .................................................................................................................. 9
3.2.2. Overview functions SETUP level ......................................................................... 12
3.2.3. Explanation OF SETUP-functions ....................................................................... 13
1 - Total ................................................................................................................ 13
2 - Flowrate .......................................................................................................... 14
3 - Display ............................................................................................................ 15
4 – Power Management ....................................................................................... 15
5 - Flowmeter ....................................................................................................... 15
6 - Analog output .................................................................................................. 16
6 - Analog output (continued) .............................................................................. 17
7 - IMPULSE ........................................................................................................ 17
8 - Others ............................................................................................................. 18
4. Installation ...................................................................................................................... 19
4.1. General directions ................................................................................................ 19
4.2. Installation / surrounding conditions .................................................................... 19
4.3. Dimensions- Enclosure ........................................................................................ 20
4.4. Installing the hardware ......................................................................................... 22
4.4.1. Introduction .......................................................................................................... 22
4.4.2. Voltage selection sensor supply .......................................................................... 23
4.4.3. Terminal connectors ............................................................................................ 24
5. Maintenance ................................................................................................................... 27
5.1. General directions ................................................................................................ 27
6.2. Repair .................................................................................................................. 27
Appendix A: Technical specification ................................................................................................... 28
Appendix B: Problem solving .............................................................................................................. 30
Index of this manual ............................................................................................................................ 31
List of figures in this manual ............................................................................................................... 31
MS476_0615_0014
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Overview typical application ERA
Scaled pulse output Analog output
1. INTRODUCTION
1.1. SYSTEM DESCRIPTION OF THE ERA
Functions and features
The flowrate / totalizer model ERA is a microprocessor driven instrument designed to display
flowrate, total and accumulated total.
This product has been designed with a focus on:
ultra-low power consumption to allow long-life battery powered applications,
several mounting possibilities with aluminum or GRP enclosures for harsh industrial
surroundings,
ability to process all types of flowmeter signals,
transmitting possibilities with analog / pulse outputs.
Flowmeter input
This manual describes the unit with a pulse type input from the flowmeter "-P version".
One flowmeter with a NPN or Reed switch output can be connected to the ERA. To power the
sensor, several options are available.
Standard outputs
Configurable pulse output: a scaled pulse mirroring a certain totalized quantity. Maximum
frequency 60Hz.; the pulse length can be set from 7,8msec up to 2 seconds.
Configurable linear (0)4-20mA analog output with 10-bits resolution mirroring the actual flowrate.
Flowrate levels as well as the minimum and maximum signal output can be tuned.
Fig. 1: Typical application for the ERA.
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Configuration of the unit
The ERA was designed to be implemented in many types of applications. For that reason, a SETUPlevel is available to configure your ERA according to your specific requirements.
SETUP includes several important features, such as K-factors, measurement units, signal selection
etc. All setting are stored in EEPROM memory and will not be lost in the event of power failure or a
drained battery.
To extend the battery-life time (option), please make use of the power-management functions as
described in chapter 3.2.3.
Display information
The unit has a large transflective LCD with all kinds of symbols and digits to display measuring units,
status information, trend-indication and key-word messages.
Flowrate and totals can be displayed either with the small 8mm digits or with the 17mm digits.
A backup of the total and accumulated total in EEPROM memory is made every minute.
MS476_0615_0014
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2. OPERATIONAL
2.1. GENERAL
The ERA may only be operated by personnel who are authorized and trained by the operator
of the facility. All instructions in this manual are to be observed.
Take careful notice of the " Safety rules, instructions and precautionary measures " in the front
of this manual.
This chapter describes the daily use of the ERA. This instruction is meant for users / operators.
2.2. CONTROL PANEL
The following keys are available:
Fig. 2: Control Panel.
Functions of the keys
This key is used to program and save new values or settings.
It is also used to gain access to SETUP-level; please read chapter 3.
This key is used to SELECT accumulated total.
The arrow-key is used to increase a value after PROG has been pressed
or to configure the unit; please read chapter 3.
Press this key twice to CLEAR the value for total.
The arrow-key is used to select a digit after PROG has been pressed or to
configure the unit; please read chapter 3.
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RUN
LOW BATTERY
RUN
2.3. OPERATOR INFORMATION AND FUNCTIONS
In general, the ERA will always act at Operator level. The information displayed is dependant upon
the SETUP-settings. All pulses generated by the connected flowmeter are measured by the ERA in
the background, whichever screen refresh rate setting is chosen. After pressing a key, the display
will be updated very quickly during a 30 second period, after which it will slow-down again.
Fig. 3: Example of display information during process.
For the Operator, the following functions are available:
Display flowrate / total or flowrate
This is the main display information of the ERA. After selecting any other information, it will
always return to this main display automatically.
Total is displayed on the upper-line of the display and flowrate on the bottom line.
It is possible to display flowrate only with the large 17mm digits; in this instance press the
SELECT-key to read the total.
When "-------" is shown, then the flowrate value is too high to be displayed. The arrows
indicate the increase/decrease of the flowrate trend.
Clear total
The value for total can be re-initialized. To do so, press CLEAR twice. After pressing CLEAR
once, the flashing text "PUSH CLEAR" is displayed. To avoid re-initialization at this stage,
press another key than CLEAR or wait for 20 seconds.
Re-initialization of total DOES NOT influence the accumulated total.
Display accumulated total
When the SELECT-key is pressed, total and accumulated total are displayed. The
accumulated total cannot be re-initialized. The value will count up to 99,999,999,999. The unit
and number of decimals are displayed according to the configuration settings for total.
Low-battery alarm
When the battery voltage drops, it must be replaced. At first "low-battery" will flash, but as
soon as it is displayed continuously, the battery MUST be replaced shortly after!
Only original batteries supplied by the manufacturer may be used, else the guarantee and
liability will be terminated. The remaining lifetime after the first moment of indication is
generally several days up to some weeks.
Fig. 4: Example of low-battery alarm.
Alarm 01-03
When "alarm" is displayed, please consult Appendix B: problem solving.
MS476_0615_0014
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3. CONFIGURATION
3.1. INTRODUCTION
This and the following chapters are exclusively meant for electricians and non-operators. In these,
an extensive description of all software settings and hardware connections are provided.
Mounting, electrical installation, start-up and maintenance of the instrument may only be
carried out by trained personnel authorized by the operator of the facility. Personnel must read
and understand this Operating Manual before carrying out its instructions.
The ERA may only be operated by personnel who are authorized and trained by the operator
of the facility. All instructions in this manual are to be observed.
Ensure that the measuring system is correctly wired up according to the wiring diagrams. The
housing may only be opened by trained personnel.
Take careful notice of the " Safety rules, instructions and precautionary measures " in the front
of this manual.
3.2. PROGRAMMING SETUP-LEVEL
3.2.1. GENERAL
Configuration of the ERA is done at SETUP-level. SETUP-level is reached by pressing the
PROG/ENTER key for 7 seconds; at which time, both arrows will be displayed. In order to return
to the operator level, PROG will have to be pressed for three seconds. Alternatively, if no keys are
pressed for 2 minutes, the unit will exit SETUP automatically.
SETUP can be reached at all times while the ERA remains fully operational.
Note: A password may be required to enter SETUP. Without this password access to SETUP is
denied.
To enter SETUP-level:
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Matrix structure SETUP-level:
SCROLLING THROUGH SETUP-LEVEL
Selection of function-group and function:
SETUP is divided into several function groups and functions.
Each function has a unique number, which is displayed below the word "SETUP" at the bottom of
the display. The number is a combination of two figures. The first figure indicates the function-group
and the second figure the sub-function. Additionally, each function is expressed with a keyword.
After selecting a sub-function, the next main function is selected by scrolling through all "active" subfunctions (e.g. 1, 11, 12, 13, 14, 1, 2, 3, 31 etc.).
MS476_0615_0014
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