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Frequently Asked Questions - E-Series

When your question is not listed below, please contact Fluidwell Tecsupport.

General

Why is the E-Series the safest choice in Hazardous Area applications? Answer >>

The E-series distinguishes itself by its quality and functionality driven European design and manufacturing. It is more than fulfilling the rules for Explosion proof design, it is about safety during the daily operation. Often, the environment is much tougher than the explosion proof requirements demand. Thus dangerous conditions may be experienced due to a broken enclosure or a poorly made flame path. The E-Series ensure better specifications than just the Explosion Proof requirements, like longer flame paths, greater wallthicknesses and high grade entry threads. For the thoughest applications like extremely salty atmospheres (offshore) we have a durable high grade stainless steel 316L Ex d enclosure. Ruggedness and reliability is where Fluidwell stands for and it is now available in a comprehensive well designed and purpose driven explosion proof flow rate indicator / totalizer. The E-Series has been Ex d certified according ATEX, IECEx and CSA c-us. You've got to have a Fluidwell.

Why is the E-Series the easiest Explosion Proof indicator in the market? Answer >>

Multiple features emphasize the user-friendliness of the E-Series:

  • For operational use, there is an easy-to-operate through glass keypad: no need to remove the front cover or to arrange a work permit.
  • For easy programming, three mechanical push buttons on the bottom side of the display collar (when the cover is removed) can be used.
  • When you use the free downloadable E-Series Configuration Software, it's even more easy to program your (multiple) E-Series indicator(s).
  • Easy K-factor and engineering unit configuration for volumetric or mass.
  • The E-Series uses the same highly appreciated configuration as the other Fluidwell Series. Once familiar with a fluidwell product, you will be able to programm all products in all series without a manual! Know one, know them all!
  • Easy data logging, you can navigate through the 2824 logs using the screen and keypad. Each log contains the flow rate, total, accumulated total and a time stamp. Access to the log file can be gained via Modbus communication. Even more simple is data log extraction using the USB communication via the side entry. Under safe conditions, the plug can be removed for an easy plug-and-play USB connection to the log file.
  • A large spacious chamber and plug-and-play connectors ensure a quick and easy installation.
  • Easy to install, with a 1" NPT thread for direct flow meter mounting.
  • Key information at a glance as the large display with bright backlight shows flow rate, total, measuring units and a flow rate indicating speedometer.
  • The backlight is even operational with the battery powered E-Series indicator. It is only operational after a keypad touch, to extend battery life.
  • The E-Series accepts most input signals for volume flow or mass flow meters.

 

Explosion Proof

What are the Hazardous Area specifications of the E-Series? Answer >>

The E-Series has been certified according ATEX, IECEx and CSA c-us with an ambient temperature of -40°C to +70°C (-40°F to +158°F).
The ATEX markings are:
Gas: II 2 G Ex d IIC T6 Gb
Dust: II 2 D Ex tb IIIC T85°C Db
The IECEx markings are:
Gas: Ex d IIC T6 Gb
Dust: Ex tb IIIC T85°C Db
The CSA c-us markings are:
XP (Explosion-proof): Class I, Division 1, Grps A, B, C, D.
DIP (Dust-Ignition-proof): Class II/III, Division 1, Groups E, F and G. Class I, Zone 1, AEx d IIc T6 Gb. Zone 21, AEx tb IIIC T85°C Db.

 

Remote Configuration

What can I do with the Remote Configuration Software? Answer >>

With the Remote Configuration Software, you can easily read and modify all menu settings from the E110 and E112 flow rate indicators. Additionally, you can easily extract the data log files as a .CSV from your E-Series with data logging.

How do I use the Remote Configuration Software? Answer >>

Click this link, where you can download a short instruction sheet to use our free downloadable Remote Configuration Software.

When do I need the special Remote Configuration Cable? Answer >>

You will need the special Remote Configuration Cable (ordernr: ACE02) when you want to use the free downloadable Remote Configuration Software with an E-Series product which has "No Communication", type CX.

How do I connect my E-Series to my PC or laptop when I want to use the Remote Configuration Software? Answer >>

That depends on which communication option you selected when you ordered your E-Series.
Type CB, Modbus RS232 communication: Use a regular Modbus RS232 cable.
Type CH, Modbus RS485 communication: Use a regular Modbus RS485 cable.
Type CU, USB communication: Use a regular mini-USB-to-USB-cable (ordernr: ACE01).
Type CX, No Communication: Use the special Remote Configuration Cable (ordernr: ACE02).

 

Data Logging

Is the Data Logging, type ZL only an internal log feature or can the log data be extracted to a PC? Answer >>

With the free downloadable Remote Configuration Software you can also extract the log data from the E-Series indicator. When the software has found a unit with log data abilities, the 'read log data' button becomes enabled on the main screen. When you click it, a pop-up window appears. Here you can select and view a log list: Runtime Interval, Runtime Daily or events. After a list is selected, you can save the log data list as a .CSV file.

Which data does a log file contain? Answer >>

Each log contains the flow rate, total, acc. total, date & time stamp, log number and if applicable the event tag.

What are the programmable intervals for the data logging, type ZL? Answer >>

  • Interval logs: Every: 1 min, 5 min, 10 min, 15 min, 30 min, 1 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr or disable.
  • Daily logs: Configurable time once / twice per day or disable.
  • Events logs: When settings change (manual/Modbus), restart/power failure, factory reset, cleared total or error event.

How much data entries does the Data Logging, type ZL have? Answer >>

  • Interval logs: Max. 1500 interval logs.
  • Daily logs: Max. 600 daily logs.
  • Events logs: Max. 724 event logs.

What event tags may occur? Answer >>

FACTORY: Product has been set to factory defaults.
RESTART: Restart remote configuration restart button or after a power interruption
ERRORS: Error
VAR BUS: Variable changed via communication
VAR DIS: Variable change via menu/display
TOT CLR: Total cleared

 

(USB) Communication

Is the USB Communication, type CU only for Remote Configuration / Data log extraction, or can the Modbus registers be accessed and modified through this port? Answer >>

The USB Communication, type CU gives you a USB connection over which you can have serial communication. For the E-Series products, this is Modbus communication and you can use any program you would normally use with RS485 or RS232, as long as you select the correct COM-port. So, in fact USB Communication, type CU is just another communications interface but with a specific connection cable to the side entry. Please note that the Remote Configuration Software can also be used with the RS485 and RS232 communication.

Is it possible to combine Modbus RS485/RS232 Communication and USB Communication? Answer >>

No, you cannot have both. You order either the Modbus RS485, Modbus RS232 or the USB Communication.
The USB Communication, type CU gives you a mini USB connection at the side entry and this is not suitable for use by any other kind of interface.

Can the USB Communication, type CU be hardwired and log data to a PC in the safe area? Answer >>

Yes, you can hardware the USB connection, using an Ex d conduit. On the rear side of the Main Electronics Module, the USB connections is available via a terminal. On this terminal, the cable that leads to the USB connector at the side entry is plugged but you can also connect you own USB wire here. Please note that USB Communication has cable length restrictions so the actual usability as a permanent connection is limited.

 

Power Supply

Could you please explain the specifications of each power supply? Answer >>

Type PB:
Long life Lithium battery - life-time depends upon settings and configuration - up to approx. 3 years.The battery can power the backlight for a short time after a keypad touch but cannot power the relay output (OR).
Sensor excitation:
Terminal S3: 3V DC for pulse signals and 1.2V DC for coil pick-up. This is not a real sensor supply. Only suitable for pulse sensors with a very low power consumption like coils (sine wave) and reed-switches.
Type PD:
9 - 27V DC. Consumption max. 4.5W. Can power the backlight and the relay output.
Sensor excitation:
Terminal S3: 3V DC for pulse signals and 1.2V DC for coil pick-up. This is not a real sensor supply. Only suitable for pulse sensors with a very low power consumption like coils (sine wave) and reed-switches.
Terminal P4: 8.2 - 12 and 24V DC. The voltage is selected with two switches at the inside of the enclosure.
- 8.2V DC -I out max. 25mA (Supply voltage should be at least 12V)
- 12V DC -I out max. 30mA (Supply voltage should be at least 15V)
- 24V DC -I out max. 75mA (this voltage varies depending on the input supply voltage and is approximately 1V lower)
Type PX:
9 - 27V DC. Consumption max. 4.5W. Can power the backlight and the relay output.
Sensor excitation:
Terminal S3: 3V DC for pulse signals and 1.2V DC for coil pick-up. This is not a real sensor supply. Only suitable for pulse sensors with a very low power consumption like coils (sine wave) and reed-switches.
Type AH:
Loop powered, analog output. 11 - 27V DC, Min. 3.5mA. Consumption max. 675mW (25mA @ 27VDC). The loop powered analog output cannot power the backlight, mechanical relay output (OR) or the real sensor supply (Terminal P4).
Sensor excitation:
Terminal S3: 3V DC for pulse signals and 1.2V DC for coil pick-up. This is not a real sensor supply. Only suitable for pulse sensors with a very low power consumption like coils (sine wave) and reed-switches.

Can the power supply type PX or PD, be upgraded to a type PB by simply adding a battery? Answer >>

That depends, you will also require a basic supply module (ordernr: SES01) or a relay supply module (ordernr: SES02) which must be fitted at the bottom of the E-Series enclosure.
If you already have a basic or relay supply module, then you can simply add the battery.

What are the sensor supply differences at terminal P4 between the various power supply options? Answer >>

8.2V / 12V / 24V Sensor supply at P4 is only a possible with power supply type PD.

Can a battery supply, type PB be combined with another power supply, type PX / PD / AH? Answer >>

Yes a back-up battery supply is possible with the other power supplies. When another supply is connected the battery will automatically be disabled to save the battery lifetime. When the main supply is disconnected for whatever reason, the back-up battery supply will power the E-Series indicator.

If we have a unit without back-up battery and the power is disconnected, will any settings or totals be lost? Answer >>

There is a backup of all settings. Backup of running totals every minute. Data retention at least 10 years.

 

Input Signals

What input signals can I choose with my E-Series? Answer >>

The E-Series accepts most input signals for volume flow or mass flow meters, like: Coil / sine wave, NPN, PNP, reedswitch, Namur and active pulse signals 8 or 24V DC. Low-pass filters are available for all pulse signal inputs.

How sensitive are the coil inputs? Answer >>

Standard are COIL-HI: 20mVpp or COIL-LO: 80mVpp. If you require a more sensitive coil input, you can order your E-Series with option ZF (10mVpp) or option ZG (5mVpp).

How easy is the new automatic unit conversion? Answer >>

The automatic unit conversion is a feature that helps you to avoid the different K-Factor calculations for the (accumulated) total and the flow rate in three steps.
With the automatic unit conversion, you first need to enter the engineering unit you require (volumetric or mass).
Secondly you need to enter the (average) K-Factor and the related measurement unit from the test/calibration certificate that came with your flow meter.
Finally you select your desired measurement unit for (accumulated) total and the flow rate and the K-factor will be automatically calculated.
If you select the "hand"-mode, you can still enter the k-factor and measuring units for (accumulated) total and flow rate the same way you always did before with the F-Series.

 

Output Signals

What output options are available with the E-Series? Answer >>

All E-Series have a galvanically isolated 4 - 20mA output signal which transmits the flow rate. It can even be output loop powered via the isolated loop-current.
The E110 and E112 have one transistor and mechanical relay output available as a pulse signal output to transmit the totalized flow.
The E018 has four transistor and mechanical relay outputs available for high and low alarms or pulse signal outputs to transmit the totalized flow.
The RS232 or RS485 2-wire interface and the USB port at the side entry make it possible to communicate remotely, even with a battery-powered unit. All software parameters can be monitored and modified using the Modbus protocol.

Are there any restrictions to use the mechanical relay output, type OR? Answer >>

The mechanical relay output requires a 24 - 27V DC power supply supplied via connector P5-P6. The maximum frequency for the pulse output is 5Hz.