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Operating instructions Multiturn encoder RMx3xx 80287938/01 08/2020 UK

Operating instructions UK Multiturn encoder RMx3xx

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Page 1: Operating instructions UK Multiturn encoder RMx3xx

Operating instructions Multiturn encoder

RMx3xx

8028

7938

/01

0

8/20

20

UK

Page 2: Operating instructions UK Multiturn encoder RMx3xx

2

Contents1 Preliminary note ���������������������������������������������������������������������������������������������������3

1�1 Key to the symbols ����������������������������������������������������������������������������������������32 Safety instructions �����������������������������������������������������������������������������������������������33 Functions and features ����������������������������������������������������������������������������������������44 Installation������������������������������������������������������������������������������������������������������������4

4�1 Mounting drawings ����������������������������������������������������������������������������������������54�1�1 Type with synchro flange ����������������������������������������������������������������������54�1�2 Type with clamp flange �������������������������������������������������������������������������54�1�3 Type with hollow shaft ��������������������������������������������������������������������������6

5 Electrical connection ��������������������������������������������������������������������������������������������76 Function ���������������������������������������������������������������������������������������������������������������8

6�1 IO-Link �����������������������������������������������������������������������������������������������������������86�2 Switching function rotational speed ���������������������������������������������������������������9

6�2�1 Graphics ���������������������������������������������������������������������������������������������107 Parameter setting ���������������������������������������������������������������������������������������������� 11

7�1 Parameters ��������������������������������������������������������������������������������������������������127�2 Application examples �����������������������������������������������������������������������������������13

7�2�1 Calculation of the resolution ���������������������������������������������������������������138 Operating and display elements ������������������������������������������������������������������������149 Maintenance, repair and disposal ����������������������������������������������������������������������1410 Factory setting �������������������������������������������������������������������������������������������������14

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1 Preliminary noteYou will find technical data, approvals and further information using the QR code on the unit / packaging or at www�ifm�com�

1.1 Key to the symbols

► Instruction> Reaction, result[…] Designation of keys, buttons or indications→ Cross-reference

Important note Non-compliance may result in malfunction or interference�Information Supplementary note�

2 Safety instructions• The device described is a subcomponent for integration into a system�

- The manufacturer is responsible for the safety of the system� - The system manufacturer undertakes to perform a risk assessment and to create a documentation in accordance with legal and normative requirements to be provided to the operator and user of the system� This documentation must contain all necessary information and safety instructions for the operator, the user and, if applicable, for any service personnel authorised by the manufacturer of the system�

• Read this document before setting up the product and keep it during the entire service life�

• The product must be suitable for the corresponding applications and environmental conditions without any restrictions�

• Only use the product for its intended purpose (→ 3 Functions and features)�• If the operating instructions or the technical data are not adhered to, personal

injury and/or damage to property may occur� • The manufacturer assumes no liability or warranty for any consequences

caused by tampering with the product or incorrect use by the operator�

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• Installation, electrical connection, set-up, programming, configuration, operation and maintenance of the product must be carried out by personnel qualified and authorised for the respective activity�

• Protect units and cables against damage�

3 Functions and featuresThe encoder converts rotary movements into digital numerical values� Each angular position of the revolutions is provided as a numerical value� These values allow angular movements to be measured and positions to be determined�Because of the requirements for electromagnetic interference emissions, the device is intended for use in industrial environments� The device is not suitable for use in domestic areas�

4 Installation ► Disconnect power� ► Ensure that the machine stands still� ► The drive must not be started during installation� ► Do not hit the shaft; do not use a file or similar tool on the shaft: risk of destruction�

► Keep potential interfering sources (magnets, heat sources etc.) at a distance.This product is a precision measuring device� Therefore it has to be handled with care by trained staff� The following warnings apply to influences outside the limit values indicated in the product data sheet�

Damage to the product can be caused by:• too high forces on the shaft • humidity and chemical liquids (do not connect any cables oriented upwards)• extreme temperatures• too high vibrations and shocks• short circuit or too high an operating voltage• impact, shock or any other physical forces

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4.1 Mounting drawings4.1.1 Type with synchro flange

1: Fastening clamp (3 pieces) E600412: Coupling3: Angle bracket

1: Coupling2: Angle bracket

4.1.2 Type with clamp flange

1: Angle bracket2: Coupling

► Minimise the displacement between the two shafts�

Page 6: Operating instructions UK Multiturn encoder RMx3xx

6

► Avoid the following mistakes: - radial displacement - angular displacement - axial movement

► To minimise the forces on the shaft use a flexible shaft coupling with guiding slot for the installation�

4.1.3 Type with hollow shaft

Version with one stator coupling Version with two stator couplings

1: Angle bracket

► Verify the radial displacement after installation and with slow rotation�The displacement must not be larger than 0�5 mm since otherwise the life cycle of the encoder may be shortened or the system accuracy impaired�

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5 Electrical connection ► Disconnect power� ► Connect the IO-Link device via the M12 socket to an IO-Link master� (18…30 V DC PELV; according to DIN EN50178, secondary circuit with maximum 30 V DC). - Tightening torque: 0�6���0�8 Nm - Recommended maximum cable length: according to IO-Link specification 1�1�3

► To connect the device, use M12 connectors with protection rating IP 65 / IP 66 / IP 67 or higher�

� �

L+

L-

IO-Link

SSC

n.c.

1 BN

2 WH

4 BK

3 BU

5 GR

Pin 2 can be programmed as an input (reset, preset) or as an output (SSC1.2) via IO-Link�

t > 50 mshigh

low

The high signal must be applied for at least 50 ms to trigger the digital input�The unit triggers on the falling edge�

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6 Function6.1 IO-LinkThis unit has an IO-Link communication interface which enables direct access to process and diagnostic data� In addition it is possible to set the parameters of the unit while it is in operation� Operation of the unit via the IO-Link interface requires an IO-Link master�With a PC, suitable IO-Link software and an IO-Link adapter cable, communication is possible while the system is not in operation�The IODDs necessary for the configuration of the unit, detailed information about process data structure, diagnostic information, parameter addresses and the necessary information about the required IO-Link hardware and software can be found at www�ifm�com� The IO-Link interface provides the following (additional) functions using suitable hardware and software:• Remote parameter setting of the unit� • Noise-immune signal transmission without measured value losses�• Transmission of the parameter settings to a replaced sensor or to other

sensors of the same type�• Simultaneous reading of all process values and the binary switching signals�• Comprehensive display of error and event messages�• Management of device tags�• Evaluation of the process values and diagnostic data via IO-Link master�• Paperless logging of parameter sets, process values and diagnostic information

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6.2 Switching function rotational speedSSC2�x changes its switching state if it is above or below the set switching limits (SP1, SP2).

First set the set point (SP1), then the reset point (SP2). The resulting hysteresis remains even if SP1 is changed again�

• Window function / normally open: [SSC2�x] = [Fno] • Window function / normally closed: [SSC2�x] = [Fnc]

The width of the window [FE] can be set by means of the difference between SSC2�1 and SSC2�2� SP1 = upper value, SP2 = lower value�

RPM

SP1

SP2

1010

FE

tFno (high active)

Fnc (low active)

200

100

SSC2.2SSC2.1

RPM = rotational speed; FE = window

Page 10: Operating instructions UK Multiturn encoder RMx3xx

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6.2.1 GraphicsConfig Mode SSC1�1

Sing�e pointLow active 0 SP1

=1010rSLF

SP1

Window modeLow active

0 SP2 SP1 0rSLF

SP2 SP1

1

1) SP2 is ignored in the "Single point" mode.

Config Mode SSC1�1���1�3

0 SP1.1 SP1.2 SP2.1 SP2.2SP3.2SP3.1

SSC1.1 SSC1.2

SSC1.3

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7 Parameter settingParameters can be set before installation and set-up of the unit or during operation via the IO-Link interface�

If parameters are changed during operation, this will influence the function of the plant�

► Ensure that there will be no malfunctions in your plant�During parameter setting the unit remains in the operating mode� It continues to monitor with the existing parameter until the parameter setting has been completed�

► Connect the unit to a parameter setting software via suitable hardware� ► Set the parameters�

The following screenshot is from the ifm software LR DEVICE�

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7.1 ParametersThe following IO-Link parameters merely provide an overview� A complete list can be found in the IODD of the unit�

Parameter Description Setting rangeou2 Output configuration[OUT 2] In�D / digital input

SSC1�2

DIx2 Configuration digital input (pin 2) for counter reset and counter preset

rSt pSt

MAVG Mean value calculation for the speed filter

10 / 100 / 1000

LED mode LED display Communication Operating voltage

PST Preset counter value 1��� 2147482880

h�Tim / SSC1�2 Pulse width of the SSC1�2 switching output

OFF 1���100 s

SSC counter SSC1�1���SSC2�2

Switching signal counter SSCn�n

0���2147483647

SSC1�1���1�3 Param� SP1 set point 0���2147483647

SSC1�1���1�3 Param� SP2 reset point 0���2147483647

SSC1�1���1�3 Config� Logic

NC NO

Low active High active

SSC1�1���1�3 Config� Mode

Switch point definition Single point Window

SSC1�1���1�3 Config� Hysteresis

— n/a (not used)

SSC2�1 Param� SP1/SP2

Setting rotational speed -119000���120000 rpm

SSC2�1���2�2 Config� Logic

NC NO

Low active High active

SSC2�1���2�2 Config� Mode

Switch point definition Single point Window

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SSC2�1���2�2 Config� Hysteresis

— n/a (not used)

rSLT Encoder resolution Setting of the steps within one revolution

1... 65535 (16 bits)

rSLF Encoder resolution Total revolutionsAfter reaching rSLF again, the encoder starts again at "0".

1... 2147482880 (31 bits)

cDir Counting direction cw / clockwise ccw / counter-clockwise

Operating hours Operating hours counter since delivery, storage interval one hour

0��� 1000000 h

Movement Shaft rotation in hours, storage interval 15 minutes

0��� 1000000 h

7.2 Application examples7.2.1 Calculation of the resolutionTotal resolution Resolution per revolution x revolutions = total resolution 4096 x 4096 = 16,777,216 Resolution per revolution (rSLT/16 bits) x resolution number of maximum revolutions (15 bits) = maximum total resolution (rSLF/ 31 bits)65,535 x 32,768 = 2,147,450,880

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8 Operating and display elementsThe LED setting indicated in the table corresponds to the factory setting and can be changed via IO-Link�

Display CommunicationGreen LED flashes (1 Hz) Device is in the communication mode

according to IO-Link specification vers� 1�1�3 Green LED on Operating voltage is appliedGreen LED off No operating voltage applied

Yellow LED on DI/DO ON, prevails over green LEDYellow LED off DI/DO OFF

9 Maintenance, repair and disposal ► Dispose of the device in accordance with the national environmental regulations�

10 Factory settingParameter Factory setting User settingou2 In�D / digital inputDIx2 rSTMAVG 10LED mode CommunicationPST 1000h�Tim / SSC1�2 OFFSSC1�1 Param� SP1 1000SSC1�1 Param� SP2 0SSC1�1 Config� Logic Low activeSSC1�1 Config� Mode Single pointSSC1�2 Param� SP1 3000SSC1�2 Param� SP2 2000SSC1�2 Config� Logic High active

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Parameter Factory setting User settingSSC1�2 Config� Mode WindowSSC1�3 Param� SP1 4000SSC1�3 Param� SP2 0SSC1�3 Config� Logic High activeSSC1�3 Config� Mode Single pointSSC2�1 Param� SP1 50�0 rpmSSC2�1 Param� SP2 -50�0 rpmSSC2�1 Config� Logic High activeSSC2�1 Config� Mode WindowSSC2�2 Param� SP1 100000�0 rpmSSC2�2 Param� SP2 -100000�0 rpmSSC2�2 Config� Logic Low activeSSC2�2 Config� Mode WindowrSLT 4096rSLF 16777216cDir cw /clockwise