IFM Electronic Efector300 SD2000 Manual de usuario

Operating instructions

Compressed air meter

SD2000

11406629 / 00 10 / 2013

Contents

1 Preliminary note��4

1�1 Symbols used ��4

2 Safety instructions ��4

3 Functions and features ��5

4 Function��5

4�1 Processing of the measured signals��5

4�2 Volumetric flow monitoring��6

4�3 Consumed quantity monitoring (totalizer function) ��6

4�3�1 Consumed quantity monitoring with pulse output��6

4�3�2 Consumed quantity monitoring with preset counter ��6

4�4 Temperature monitoring��7

4�5 Volumetric flow or temperature monitoring / switching function��7

4�6 Volumetric flow or temperature monitoring / analogue function��8

4�7 Setting of the standard conditions of the volume flow ��8

4�8 Low flow cut-off (LFC)��9

5 Installation��9

5�1 Installation location ��9

5�2 Installation conditions ��9

5�3 Installation position ��10

5�4 Installation in pipes ��10

6 Electrical connection�� 11

7 Operating and display elements ��12

8 Menu��13

8�1 Menu structure��13

8�2 Explanation of the menu��14

9 Parameter setting ��15

9�1 General parameter setting��15

9�2 Settings for volumetric flow monitoring��17

9�2�1 Settings for limit value monitoring with OUT1��17

9�2�2 Settings for limit value monitoring with OUT2��17

9�2�3 Setting the analogue value for volumetric flow ��17

9�3 Settings for consumed quantity monitoring ��18

9�3�1 Settings for quantity monitoring via pulse output��18

9�3�2 Settings for quantity monitoring via the preset counter ��18

9�3�3 Settings for program-controlled counter reset ��18

9�3�4 Deactivation of the counter reset��18

9�3�5 Counter reset using an external signal ��18

9�4 Settings for temperature monitoring ��19

9�4�1 Settings for limit value monitoring with OUT2��19

9�4�2 Setting the analogue value for temperature ��19

9�5 User settings (optional)��19

9�5�1 Setting of the standard unit of measurement for volumetric flow��19

9�5�2 Configuration of the standard display ��19

9�5�3 Setting of measured value damping ��20

9�5�4 Setting of the error behaviour of the outputs ��20

9�5�5 Setting of the standard pressure to which the measured and display

values for volumetric flow refer��20

9�5�6 Setting of the standard temperature to which the measured and dis-

play values for volumetric flow refer ��20

9�5�7 Setting of the low flow cut-off��20

9�6 Service functions ��21

9�6�1 Reading of the min/max values for the volumetric flow ��21

9�6�2 Reset of all parameters to factory setting ��21

9�7 Setting of the preset counter / the pulse value (ImPS) ��21

10 Operation��23

10�1 Reading of set parameters ��24

10�2 Changing the display unit in the Run mode��24

10�3 Error indications��24

10�4 General operating conditions��24

11 Technical data and scale drawing ��24

12 Factory setting ��25

1 Preliminary note

1.1 Symbols used

►Instruction

> Reaction, result

[…] Designation of pushbuttons, buttons or indications

→Cross-reference

Important note

Non-compliance can result in malfunction or interference�

Information

Supplementary note�

2 Safety instructions

• Please read this document prior to set-up of the unit� Ensure that the product is

suitable for your application without any restrictions�

• Work on compressed air systems as well as mounting, setting for operation

and set-up of the unit must be carried out by qualified personnel� When doing

so, state of the art as well as safety and accident prevention regulations have

to be adhered to�

• Ensure before mounting the components into or removing them from the

compressed air system that the installation is at a standstill and no pressure is

applied�

• Improper or non-intended use may lead to malfunctions of the unit or to un-

wanted effects in your application� That is why installation, electrical connec-

tion, set-up, operation and maintenance of the unit must only be carried out by

qualified personnel authorised by the machine operator�

• Checkthecompatibilityoftheproductmaterials(→11Technicaldataandscale

drawing) with the media to be measured in all applications�

• In order to guarantee the correct condition of the device for the operating time it

is necessary to use the device only for media to which the wetted materials are

sufficientlyresistant(→Technicaldata).

• The responsibility whether the measurement devices are suitable for the

respective application lies with the operator� The manufacturer assumes no

liability for consequences of misuse by the operator� Improper installation and

use of the measurement devices results in a loss of the warranty claims�

3 Functions and features

The unit monitors the standard volume flow of compressed air in industrial use�

It detects the 4 process categories flow velocity, volumetric flow quantity, con-

sumed quantity, medium temperature�

• Applications: compressed air systems in industrial use�

• All indications apply for standard volume flow to DIN ISO 2533, i�e� volume flow

at 1013 hPa, 15 °C and 0 % relative air humidity�

• Theunitcanbesettodifferentstandardconditions(→9.5.5and9.5.6).

• The general operating conditions of compressed air equipment apply�

• Pressure Equipment Directive (PED): Devices with a measuring section comply

with art� 3 sec� (3) of the Directive 97/23/EC and are designed and manufac-

tured for stable gases of the fluid group 2 in accordance with sound engineer-

ing practice�

4 Function

4.1 Processing of the measured signals

• The unit displays the current process values�

• It generates 2 output signals according to the parameter setting�

OUT1: 4 selection options

Switching signal for volumetric flow limit value ��(→9.2.1)

or switching signal for flow velocity limit value ��(→9.2.1)

or pulse sequence for quantity meter ��(→9.3.1)

or switching signal for preset counter ��(→9.3.2)

OUT2: 6 selection options

Switching signal for volumetric flow limit value ��(→9.2.2)

or switching signal for flow velocity limit value ��(→9.2.2)

or switching signal for temperature limit value ��(→9.4.1)

or analogue signal for volumetric flow quantity ��(→9.2.3)

or analogue signal for flow velocity ��(→9.2.3)

or analogue signal for temperature ��(→9.4.2)

Instead of an output OUT2 (Pin2) can be used as an input

for an external reset signal: ��(→9.3.5)

4.2 Volumetric flow monitoring

The flow is monitored by a calorimetric measuring system, the measured signals

are evaluated by the electronics�

• 2 switching signals for volumetric flow limit values can be provided (output 1

andoutput2).Switchingfunctions→4.5.

• An analogue signal which is proportional to the volumetric flow (4��20 mA) can

beprovidedonoutput2.Analoguefunctions→4.6.

4.3 Consumed quantity monitoring (totalizer function)

The unit has an internal quantity meter which continuously totals the volumetric

flow quantity� The sum corresponds to the current consumed quantity since the

last reset�

• The current meter reading can be displayed�

• In addition the value before the last reset is stored� This value can also be

displayed�

The meter saves the totalled consumed quantity every 10 minutes� After a

power failure this value is available as the current meter reading� If a time-

controlled reset is set, the elapsed time of the set reset interval is also stored�

So the possible data loss can be maximum 10 minutes�

• Overflow: After the maximum value (9,999,999 Nm³) the meter is reset to 0�

The meter can be reset as follows:

• Manualreset(→9.3.3.).

• Time-controlledautomaticreset(→9.3.3).

• Externalinputsignalonpin2(→9.3.5).

4.3.1 Consumed quantity monitoring with pulse output

Output 1 provides a counting pulse each time the value set in [ImPS] is reached

(→9.3.1).

4.3.2 Consumed quantity monitoring with preset counter

2 types of monitoring are possible:

• Time-dependent quantity monitoring�

- Settings: [ImPS] = quantity X, [ImPR] = [no], [rTo] = time t�

- If the quantity x is reached during the time t, output 1 switches and remains

switched until the meter is reset via the digital input or [rTo] = [rED�T]�

In this case the time-controlled totalizer reset is not carried out if [ImPS] =

quantity X exceeded�

- If the quantity x is not reached during the time t, the meter is automatically

reset and counting starts again; output 1 does not switch�

• Quantity monitoring not time-dependent�

- Settings: [ImPS] = quantity x, [ImPR] = [no], [rTo] = [OFF]�

- If the quantity x is reached during the time t, output 1 switches and remains

switched until the meter is reset via the digital input or [rTo] = [rED�T]�

4.4 Temperature monitoring

• A switching signal for temperature limit values can be provided on output 2�

Switchingfunctions→4.5.

• An analogue signal which is proportional to the temperature (4��20 mA) can be

providedonoutput2.Analoguefunctions→4.6.

4.5 Volumetric flow or temperature monitoring / switching

function

OUTx changes its switching state if it is above or below the set switching limits

(SPx, rPx)� The following switching functions can be selected:

• Hysteresis function / normally open (figure 1): [OUx] = [Hno]�

• Hysteresis function / normally closed (figure 1): [OUx] = [Hnc]�

First the set point (SPx) is set, then the reset point (rPx) with the requested

difference� Note: when SPx is adjusted rPx is changed automatically; the differ-

ence remains constant�

• Window function / normally open (fig� 2): [OUx] = [Fno]�

• Window function / normally closed (figure 2): [OUx] = [Fnc]�

The width of the window can be set by means of the difference between SPx

and rPx�SPx = upper value, rPx = lower value�

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1 2

HY = hysteresis; FE = window

4.6 Volumetric flow or temperature monitoring / analogue

function

-30% -20% 0% 100% 120% 130%

Characteristics of the analogue output to the standard IEC 60947-5-7

1: Output current in mA

2: Operating area

3: Measuring range

4: Range between analogue start point and analogue end point

5: Error message [Err] is displayed

6: Final value of the measuring range (VMR)

7: Error message [OL] is displayed (= overload)

8: Analogue end point (AEP): determines at which measured value the output signal is

20 mA�

9: Curve of the analogue signal with shifted analogue start point

10: Curve of the analogue signal at factory setting

11: Analogue start point (ASP): determines at which measured value the output signal is

4 mA�

12: Error message [UL] is displayed (= underload)

13: Error message [Err] is displayed

Minimum distance between ASP and AEP = 25 % of the final value of the

measuring range�

4.7 Setting of the standard conditions of the volume flow

The unit is adjusted to a standard volume flow to DIN ISO 2533, i�e� volume flow

at 1013 hPa, 15 °C and 0 % relative air humidity�

The unit can be set to different standard conditions:

• Via the menu item [rEF�P] the standard pressure is set, which serves as a refer-

enceforthemeasuredanddisplayvaluesforvolumetricflow(→9.5.5).

• Via the menu item [rEF�T] the standard temperature is set, which serves as a

referenceforthemeasuredanddisplayvaluesforvolumetricflow(→9.5.6).

4.8 Low flow cut-off (LFC)

Withthisfunctionsmallvolumetricflowquantitiescanbesuppressed(→9.5.7).

Flows below the LFC value have no effect on the display and output signals�

Example: For LFC = 0�5 volumetric flow quantities below 0�5 Nm³/h are sup-

pressed�

5 Installation

The rules and regulations for the installation and operation of compressed

air equipment must be observed�

5.1 Installation location

• Behind the cold dryer / near the load�

• If compressed air is fed into the main pipe through parallel pipes, the unit

should be mounted in the main pipe�

• Installation after the maintenance unit is also possible (if oil is used for the

loads, the units must be mounted before the oiler)�

5.2 Installation conditions

To achieve the specified measurement accuracy, the following installation condi-

tions must be adhered to: defined inlet and outlet pipe lengths, defined flow cross-

section area, fixed installation depth and correct positioning of the measuring

elements�

The unit is mounted in a measuring range which meets these conditions�

In case of disturbances on the inflow side additional calming sections (B) are

recommended:

changes to the pipe diameter B = 5 x pipe diameter

90° elbow B = 5 x pipe diameter

two 90° elbows, one plane B = 10 x pipe diameter

two 90° elbows, two planes B = 15 x pipe diameter

valve, slide B = 35 x pipe diameter

5.3 Installation position

• Permitted installation positions: pipe length vertical, any position (fig� 1, 2); pipe

length horizontal, unit vertical (fig� 3, 5), unit on side, pipe length left (fig� 4)�

• Avoid the installation position in fig� 6 (unit on side, pipe length right)� If the flow

rate is low, the specified measurement accuracy cannot be adhered to�

1 2 3 4

5 6

5.4 Installation in pipes

►Fit the unit in the pipe in accordance with the flow direction (arrow on the unit)

and tighten�

IN OUT

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