IFM Electronic Efectorsod PM2053 User manual

Operating instructions

Electronic pressure sensor

PM205x

706071/01 09/2011

Contents

1 Preliminary note��3

1�1 Symbols used ��3

2 Safety instructions ��3

3 Functions and features ��4

3�1 Applications ��4

4 Function��5

4�1 Processing of the measured signals��5

5 Installation��6

6 Electrical connection��7

7 Operation��8

7�1 Cleaning of the filter cover��8

8 Parameter setting ��9

8�1 Adjustable parameters��9

9 Scale drawing ��10

10 Technical data�� 11

10�1 Setting ranges ��12

1 Preliminary note

1.1 Symbols used

►Instruction

> Reaction, result

[…] Designation of buttons, switches or indications

→Cross-reference

Important note

Non-compliance can result in malfunctions or interference�

2 Safety instructions

• Read this ducument before installing the unit� Ensure that the product is suit-

able for your application without any restrictions�

• Non-adherence to the operating instructions or technical data can lead to

personal injury and/or damage to property�

• Inallapplicationscheckcomplianceoftheproductmaterials(→10Technical

data) with the media to be measured�

The Sensor shall be connected only by using any R/C (CYJV2) cord, having suit-

able ratings�

3 Functions and features

The pressure sensor detects the system pressure of machines and installations�

3.1 Applications

Type of pressure: relative pressure

Bestell-

nummer Messbereich Zulässiger

Überdruck Berstdruck

bar PSI bar PSI bar PSI

PM2053 -1��25 -15��363 100 1 450 350 5 070

PM2054 -0,5��10 -7��145 50 725 150 2 175

PM2055 -0,99��4,00 -14,4��58,0 30 435 100 1 450

PM2056 -0,13��2,50 -1,8��36,3 20 290 50 725

mbar PSI bar PSI bar PSI

PM2057 -50��1 000 -0,7��14,5 10 145 30 450

mbar inH2O bar inH2O bar inH2O

PM2058 -12,5��250 -5,0��100,4 10 4 000 30 12 000

MPa = bar ÷ 10 / kPa = bar × 100

Static and dynamic overpressures exceeding the indicated overload pres-

sure are to be avoided by taking appropriate measures�

The indicated bursting pressure must not be exceeded� Even if the burst-

ing pressure is exceeded only for a short time, the unit can be destroyed�

NOTE: Risk of injury!

4 Function

4.1 Processing of the measured signals

The unit converts the system pressure into an analogue output signal (4��20 mA)�

The measuring range can be scaled to up to 25% of the finalvalue of the measur-

ing range�

• By setting the parameter ASP you define the measured value at which the

output signal is 4 mA�

• By setting the parameter AEP you define the measured value at which the

output signal is 20 mA�

Factory setting Measuring range scaled

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

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



 



P = system pressure, MEW = final value of the measuring range

The output signal is between 4 and 20 mA� It is also indicated:

• System pressure above the measuring range: output signal > 20 mA �

• System pressure below the measuring range: output signal between 4 and 3�2 mA�

The unit is ready for operation when delivered� Factory preset: not scaled (ASP =

0 bar; AEP = 100% of the final value of the measuring range)�

5 Installation

Ensure that no pressure is applied to the installation while mounting or

removing the sensor�

Aseptoflex adapters ensure that the

sensor can be connected to different

process connections�

(The adapters have to be ordered

separately as accessories�)

Mounting operation:

►Mount the adapter (B) to the sensor�

►Fix sensor + adapter by means of

a coupling nut, a clamp flange or

similar (A) to the process connec-

tion�

If it is not possible to slide the fixing

element (A) down over the top of the

sensor: slide it up over the bottom

of the sensor before the adapter is

mounted�





Mounting the Aseptoflex adapter

►Slightly grease the threads and

sealing areas of the sensor and

adapter with lubricating paste (1)�

The paste must be suitable and

approved for the application and

compatible with the elastomers

used�

Recommendation: Klüber paste

UH1 84-201 with USDA-H1 ap-

proval for the food industry�

►Make sure that the O-ring (C) is

correctly positioned�



►Screw the sensor into the adapter

until it is hand-tight� Do not damage

the sealing chamfers�



►Clamp sensor and adapter into a

clamping device (D)� Tighten the

clamping device only slightly so

that the adapter does not warp� The

sealing chamfers (E) must not be

damaged�

►Tighten the sensor using a spanner

until you can feel the end stop (cor-

responding to a maximum tighten-

ing torque of 25 Nm / 18 ftlb)� Note:

Do not overtighten� This can have

an adverse effect on the sealing�





NOTE: A guarantee for a long-term stable and maintenance-free fitting with no bug

traps in the hygienic sealing of the metal seal (Aseptoflex connection) is only valid

for once-only mounting�

Welding adapter

First weld the adapter, then mount the sensor� Follow the instructions included

with the adapter�

6 Electrical connection

The unit must be connected by a qualified electrician�

The national and international regulations for the installation of electrical

equipment must be adhered to�

Voltage supply to EN50178, SELV, PELV�

►Disconnect power�

►Connect the unit as follows:

2 wire connection 3 wire connection

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





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



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

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 

























Core colours of ifm sockets:

1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)

7 Operation

After power on of the supply voltage the unit is in the Run mode (= normal opera-

tion)� It carries out its measurement and evaluation functions and provides an

analogue signal proportional to the system pressure�

7.1 Cleaning of the filter cover

If viscous and residues producing

media clog the filter cover of the sen-

sor (and thus reduce the measuring

accuracy slightly), you can clean it�

►Unscrew the filter cover (B) (use a

pair of pliers with plastic-covered

jaws for this)�

►Clean the cover thoroughly�



The vent (A) should only be cleaned by skilled personnel and with utmost care�

Possible medium residues must not be compressed and pressed into the vent�

This could clog the filter system and reduce the measuring accuracy of the

sensor�

►Screw the filter cover again tightly�

The sensor is sufficiently protected against harsh ambient conditions (protection

IP 67)� The protection rating can be increased by a special accessory (order no�

E30043)�

8 Parameter setting

►Connect the sensor to a PC via IO-Link-Interface (order no� E30396)�

►Set the parameters with FDT service program ifm Container: The program is

part of order no� E30396�

The program library of the available DTM objects can be found at www�ifm�com

→Service→Download.

8.1 Adjustable parameters

ASP Analogue start point

Measured value at which 4 mA is provided�

AEP Analogue end point

Measured value at which 20 mA is provided�

Minimum distance between ASP and AEP = 25% of the span�

Min-Max memory for system pressure

•HI: displays the highest measured pressure�

•LO: displays the lowest measured pressure�

COF Calibration offset

The internal measured value (operating value of the sensor) is offset against the

real measured value�

•Setting range: -5 �� +5% of the value of the span (with scaling as factory setting

(ASP = 0 bar and AEP = final value of measuring range) in steps of 0�1% of the

value of the span�

CAr Calibration reset

Resets the calibration set by COF�

dAA Damping for the analogue output

Pressure peaks of short duration or high frequency can be filtered out�

dAA-value = response time between pressure change and change of the switch-

ing status in milliseconds (ms)�

•Setting range: 0 (= dAA is not active) / 0�1 s / 0�5 s / 2 s�

Uni Display unit

The measured values and values for ASP / AEP can be indicated in the following

units:

bar, mbar, PSI, MPa, kPa, inH2O (only PM2058), mmWS (only PM2058)�

diS Setting of the display

d1 / d2 / d3 = update of the measured value every 50ms / 200ms / 600ms� The

update interval only refers to the display�

ph = display of the measured peak value remains for a short time (peak hold)�

9 Scale drawing

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



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 

Dimensions are in mm

1: Aseptoflex thread; 2: Aseptoflex sealing edge

This manual suits for next models

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