WAGO 750-637 Series Manual
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WAGO 750-637 Series Manual

Incremental encoder interfaces
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WAGO I/O System 750
750-637(/xxx-xxx)
Incremental Encoder Interfaces
Version 1.6.1
Public

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  • Page 1 Manual WAGO I/O System 750 750-637(/xxx-xxx) Incremental Encoder Interfaces Version 1.6.1 Public...
  • Page 2 We wish to point out that the software and hardware terms as well as the trademarks of companies used and/or mentioned in the present manual are generally protected by trademark or patent. WAGO is a registered trademark of WAGO Verwaltungsgesellschaft mbH. Manual Version 1.6.1...

  • Page 3: Table Of Contents

    WAGO I/O System 750 Table of Contents 750-637 Incremental Encoder Interfaces Table of Contents Notes about this Documentation ............. 5 Validity of this Documentation..............5 Copyright ....................5 Symbols ....................7 Number Notation ..................9 Font Conventions ................... 9 Important Notes ..................10 Legal Bases ..................
  • Page 4 Table of Contents WAGO I/O System 750 750-637 Incremental Encoder Interfaces Mounting ....................47 Mounting Sequence ................48 Inserting and Removing Devices ............48 6.2.1 Inserting the I/O Module ..............48 6.2.2 Removing the I/O Module ..............50 Connect Devices ..................51 Connecting a Conductor to the CAGE CLAMP ®...

  • Page 5: Notes About This Documentation

    Consider power layout of the WAGO I/O System 750! In addition to these operating instructions, you will also need the manual for the used fieldbus coupler or controller, which can be downloaded at www.wago.com. There, you can obtain important information including information on electrical isolation, system power and supply specifications.
  • Page 6 Manual by third parties that violate pertinent copyright provisions is prohibited. Reproduction, translation, electronic and phototechnical filing/archiving (e.g., photocopying) as well as any amendments require the written consent of WAGO Kontakttechnik GmbH & Co. KG, Minden, Germany. Non-observance will involve the right to assert damage claims. Manual Version 1.6.1...

  • Page 7: Symbols

    WAGO I/O System 750 Notes about this Documentation 750-637 Incremental Encoder Interfaces Symbols Personal Injury! Indicates a high-risk, imminently hazardous situation which, if not avoided, will result in death or serious injury. Personal Injury Caused by Electric Current! Indicates a high-risk, imminently hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 8 Notes about this Documentation WAGO I/O System 750 750-637 Incremental Encoder Interfaces Additional Information: Refers to additional information which is not an integral part of this documentation (e.g., the Internet). Manual Version 1.6.1 Public...

  • Page 9: Number Notation

    WAGO I/O System 750 Notes about this Documentation 750-637 Incremental Encoder Interfaces Number Notation Table 2: Number Notation Number Code Example Note Decimal Normal notation Hexadecimal 0x64 C notation Binary '100' In quotation marks, nibble separated '0110.0100' with dots (.)

  • Page 10: Important Notes

    2.1.1 Subject to Changes WAGO Kontakttechnik GmbH & Co. KG reserves the right to provide for any alterations or modifications. WAGO Kontakttechnik GmbH & Co. KG owns all rights arising from the granting of patents or from the legal protection of utility patents.

  • Page 11: Technical Condition Of Specified Devices

    These modules contain no parts that can be serviced or repaired by the user. The following actions will result in the exclusion of liability on the part of WAGO Kontakttechnik GmbH & Co. KG: •...

  • Page 12: 2.1.4.1.2 Packaging

    Important Notes WAGO I/O System 750 750-637 Incremental Encoder Interfaces Environmentally friendly disposal benefits health and protects the environment from harmful substances in electrical and electronic equipment. • Observe national and local regulations for the disposal of electrical and electronic equipment.

  • Page 13: Safety Advice (Precautions)

    WAGO I/O System 750 Important Notes 750-637 Incremental Encoder Interfaces Safety Advice (Precautions) For installing and operating purposes of the relevant device to your system the following safety precautions shall be observed: Do not work on devices while energized! All power sources to the device shall be switched off prior to performing any installation, repair or maintenance work.
  • Page 14 Important Notes WAGO I/O System 750 750-637 Incremental Encoder Interfaces Inadequate wire cross sections can cause temperature increases! To avoid increasing thermal risks, only use conductor cross-sections sufficient for the required maximum load current. The conductor cross-sections specified in the technical data refer exclusively to the mechanical connection capacity of the clamping points.
  • Page 15 WAGO I/O System 750 Important Notes 750-637 Incremental Encoder Interfaces Avoid electrostatic discharge! The devices are equipped with electronic components that may be destroyed by electrostatic discharge when touched. Please observe the safety precautions against electrostatic discharge per DIN EN 61340-5-1/-3. When handling the devices, please ensure that environmental factors (personnel, work space and packaging) are properly grounded.

  • Page 16: Device Description

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces Device Description This module is an interface for different versions of incremental encoders with various connections (RS-422, differential, single-ended). The data width for the encoder module is 32 bits. Either the current counter value, the latch value, the set value or the current rate can be shown in the process data.
  • Page 17 The field voltage and the system voltage are electrically isolated from each other. The I/O module 750-637 can be used with all fieldbus couplers/controllers of the WAGO I/O System 750 (except for the economy types 750-320, -323, -324 and -327).

  • Page 18: View

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces View Figure 1: View Table 7: Legend for Figure “View” Pos. Description Details See Section Marking possibility with Mini- Status LEDs “Device Description” > “Display Elements” Data contacts “Device Description” > “Connectors”...

  • Page 19: Connectors

    WAGO I/O System 750 Device Description 750-637 Incremental Encoder Interfaces Connectors 3.2.1 Data Contacts/Local Bus Communication between the fieldbus coupler/controller and the I/O modules as well as the system supply of the I/O modules is carried out via the local bus. The contacting for the local bus consists of 6 data contacts, which are available as self-cleaning gold spring contacts.

  • Page 20: Cage Clamp ® Connectors

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces 3.2.3 CAGE CLAMP Connectors ® 3.2.3.1 Versions 750-637 and 750-637/000-003 Figure 3: CAGE CLAMP ® Connectors – Versions 750-637 and 750-637/000-003 Table 8: Legend for Figure “CAGE CLAMP ® Connectors – Versions 750-637 and 750-637/000-003“...

  • Page 21: Version 750-637/000-001

    WAGO I/O System 750 Device Description 750-637 Incremental Encoder Interfaces 3.2.3.2 Version 750-637/000-001 Figure 4: CAGE CLAMP ® Connectors – Version 750-637/000-001 Table 9: Legend for “CAGE CLAMP ® Connectors – Version 750-637/000-001” Figure Designation Connection Function 1, left 2, left...

  • Page 22: Versions 750-637/000-002 And 750-637/000-004

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces 3.2.3.3 Versions 750-637/000-002 and 750-637/000-004 Figure 5: CAGE CLAMP ® Connectors – Versions 750-637/000-002 and 750-637/000-004 Table 10: Legend for “CAGE CLAMP ® Connectors – Versions 750-637/000-002 and 750-637/000- 004” Figure...

  • Page 23: Display Elements

    WAGO I/O System 750 Device Description 750-637 Incremental Encoder Interfaces Display Elements Figure 6: Display Elements Table 11: Key for the “Display Elements” Figure, Versions 750-637 and 750-637/000-003 Designation State Function U(A) − (U(/A) < −0.2 V A, left Green U(A) −...

  • Page 24: Table 12: Legend For The "Display Elements" Figure

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces Table 12: Legend for the “Display Elements” Figure, Version 750-637/000-001 Designation State Function −30 V < (U(A) – U(/A)) < −15 V A, left 30 V < (U(A) – U(/A)) < 15 V or both...

  • Page 25: Operating Elements

    WAGO I/O System 750 Device Description 750-637 Incremental Encoder Interfaces Operating Elements The I/O module 750-637 has no operating elements. Schematic Diagram Figure 7: Schematic Diagram – Versions 750-637 and 750-637/000-003 Manual Version 1.6.1 Public...

  • Page 26: Figure 8: Schematic Diagram - Version 750-637/000-001

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces Figure 8: Schematic Diagram – Version 750-637/000-001 Figure 9: Schematic Diagram – Versions 750-637/000-002 and 750-637/000-004 Manual Version 1.6.1 Public...

  • Page 27: Technical Data

    WAGO I/O System 750 Device Description 750-637 Incremental Encoder Interfaces Technical Data 3.6.1 Device Data Table 14: Technical Data — Device Width 24 mm Depth (from upper-edge of DIN rail) 64 mm Height 100 mm Weight Approx. 105 g Degree of protection IP 20 3.6.2...

  • Page 28: Inputs/Outputs

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces 3.6.4 Inputs/Outputs Table 17: Technical Data — Inputs/Outputs Encoder connection 750-637 A, /A, B, /B, C, /C 750-637/000-001 (/A, /B, /C are inverted)) 750-637/000-003 750-637/000-002 A, B, C, 0 V...

  • Page 29: Quadrature Inputs (A, /A, B, /B, C, /C)

    WAGO I/O System 750 Device Description 750-637 Incremental Encoder Interfaces 3.6.7 Quadrature Inputs (A, /A, B, /B, C, /C) Table 20: Technical Data — Quadrature Inputs (A, /A, B, /B, C, /C), Versions 750-637 and 750-637/000-003 (0) U(A) − U(/A) < −0.2 VDC Input voltage A, /A (1) U(A) −...

  • Page 30: Quadrature Decoder

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces 3.6.8 Quadrature Decoder Table 23: Technical Data — Quadrature Decoder Function 750-637 750-637/000-001 750-637/000-003 Incremental Encoder Interfaces 750-637/000-002 750-637/000-004 Input 750-637 RS-422 750-637/000-003 750-637/000-001 Differential 750-637/000-002 Single-ended 750-637/000-004 Encoder voltage...

  • Page 31: Climatic Environmental Conditions

    WAGO I/O System 750 Device Description 750-637 Incremental Encoder Interfaces 3.6.9 Climatic Environmental Conditions Table 24: Technical Data – Climatic Environmental Conditions Surrounding air temperature, operation 0 °C … 55 °C Surrounding air temperature, storage −25 °C … +85 °C Operating altitude 0 …...

  • Page 32: Approvals

    750-637 I/O modules: More information about approvals. Detailed references to the approvals are listed in the document “Overview on WAGO I/O System 750 approvals”, which you can find via the internet under: www.wago.com  DOWNLOADS  Documentation  System Description.
  • Page 33 WAGO I/O System 750 Device Description 750-637 Incremental Encoder Interfaces The following ship approvals have been granted to the basic version of 750-637 I/O modules: ABS (American Bureau of Shipping) Federal Maritime and Hydrographic Agency BV (Bureau Veritas) DNV (Det Norske Veritas)

  • Page 34: Standards And Guidelines

    Device Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces Standards and Guidelines All variations of 750-637 I/O modules meet the following requirements on emission and immunity of interference: EMC CE-Immunity to interference EN 61000-6-2 EMC CE-Emission of interference EN 61000-6-4...

  • Page 35: Process Image

    WAGO I/O System 750 Process Image 750-637 Incremental Encoder Interfaces Process Image Mapping of process data in the process image of fieldbus systems The representation of the I/O modules’ process data in the process image depends on the fieldbus coupler/controller used. Please take this information as well as the particular design of the respective control/status bytes from the section “Fieldbus Specific Design of the Process Data”...

  • Page 36: Table 26: Mappzd, All Versions, Except 750-637/000-004

    Process Image WAGO I/O System 750 750-637 Incremental Encoder Interfaces Table 26: MapPZD, All Versions, Except 750-637/000-004 MapPZD (Control Byte C1/ Status Byte S1, Bit 0 and Bit 1) Bit 1 Bit 0 Coding of Process Data Count value Latch value...

  • Page 37: Control/Status Byte

    WAGO I/O System 750 Process Image 750-637 Incremental Encoder Interfaces Control/Status Byte Table 28: Status Byte S0, All Versions, Except 750-637/000-004 Status Byte S0 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0...

  • Page 38: Table 29: Status Byte S0, Version 750-637/000-004

    Process Image WAGO I/O System 750 750-637 Incremental Encoder Interfaces Table 29: Status Byte S0, Version 750-637/000-004 Status Byte S0 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 AckSet Enable_ CNT-SET_ LAT_...

  • Page 39: Table 30: Status Byte S1, All Versions, Except 750-637/000-004

    WAGO I/O System 750 Process Image 750-637 Incremental Encoder Interfaces Table 30: Status Byte S1, All Versions, Except 750-637/000-004 Status Byte S1 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 StaN2 StaN1...

  • Page 40: Table 32: Control Byte C0, All Versions, Except 750-637/000-004

    Process Image WAGO I/O System 750 750-637 Incremental Encoder Interfaces Table 32: Control Byte C0, All Versions, Except 750-637/000-004 Control Byte C0 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 OpMode SetLoad...

  • Page 41: Table 33: Control Byte C0, Version 750-637/000-004

    WAGO I/O System 750 Process Image 750-637 Incremental Encoder Interfaces Table 33: Control Byte C0, Version 750-637/000-004 Control Byte C0 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 OpMode SetLoad RESET INV_DIR...

  • Page 42: Table 34: Control Byte C1, All Versions, Except 750-637/000-004

    Process Image WAGO I/O System 750 750-637 Incremental Encoder Interfaces Table 34: Control byte C1, All Versions, Except 750-637/000-004 Control Byte C1 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Enable Ref...

  • Page 43: Table 35: Control Byte C1, Version 750-637/000-004

    WAGO I/O System 750 Process Image 750-637 Incremental Encoder Interfaces Table 35: Control byte C1, Version 750-637/000-004 Control Byte C1 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Enable_ INV_ MapPZD Cam2_...

  • Page 44: Function Description

    Function Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces Function Description </dg_ As a rule, incremental encoders supply two output signals from the encoder tracks, offset by 90°. These signals are designated A and B. The difference between the input signals is evaluated in the incremental encoder I/O module.
  • Page 45 WAGO I/O System 750 Function Description 750-637 Incremental Encoder Interfaces Table 36: Function Description – Inputs Input Description I/O Module Function 750-637 The counting process is 750-637/000-001 disabled when 24 V is 750-637/000-002 applied to the GATE input. 750-637/000-003 The counting process is...

  • Page 46: Table 37: Function Description - Outputs, All Versions

    Function Description WAGO I/O System 750 750-637 Incremental Encoder Interfaces Table 37: Function Description — Outputs, All Versions, Except 750-637/000-004 Output Function N1, N2 Cam output, 24 V, 0.5 A Counter value outside the set window. Counter value within the set window.

  • Page 47: Mounting

    WAGO I/O System 750 Mounting 750-637 Incremental Encoder Interfaces Mounting Do not work when devices are energized! High voltage can cause electric shock or burns. Switch off all power to the device prior to performing any installation, repair or maintenance work.

  • Page 48: Mounting Sequence

    Always plug a bus end module (e.g. 750-600) onto the end of the fieldbus node! You must always use a bus end module at all fieldbus nodes with WAGO I/O System 750 fieldbus couplers or controllers to guarantee proper data transfer.

  • Page 49: Figure 10: Inserting I/O Module (Example)

    WAGO I/O System 750 Mounting 750-637 Incremental Encoder Interfaces Figure 10: Inserting I/O Module (Example) Press the I/O module into the assembly until the I/O module snaps into the carrier rail. Figure 11: Snap the I/O Module into Place (Example) Check that the I/O module is seated securely on the carrier rail and in the assembly.

  • Page 50: Removing The I/O Module

    Mounting WAGO I/O System 750 750-637 Incremental Encoder Interfaces 6.2.2 Removing the I/O Module Remove the I/O module from the assembly by pulling the release tab. Figure 12: Removing the I/O Module (Example) Electrical connections for data or power jumper contacts are disconnected when removing the I/O module.

  • Page 51: Connect Devices

    Do not connect more than one conductor at one single connection! If more than one conductor must be routed to one connection, these must be connected in an up-circuit wiring assembly, for example using WAGO feed- through terminals. For opening the CAGE CLAMP insert the actuating tool into the opening ®...

  • Page 52: Use In Hazardous Environments

    WAGO I/O System 750 750-637 Incremental Encoder Interfaces Use in Hazardous Environments The WAGO I/O System 750 (electrical equipment) is designed for use in Zone 2 hazardous areas and shall be used in accordance with the marking and installation regulations.

  • Page 53: Marking Configuration Examples

    WAGO I/O System 750 Use in Hazardous Environments 750-637 Incremental Encoder Interfaces Marking Configuration Examples 8.1.1 Marking for Europe According to ATEX and IECEx Figure 14: Marking Example per ATEX and IECEx Figure 15: Text Detail – Marking Example per ATEX and IECEx Manual Version 1.6.1...

  • Page 54: Table 39: Description Of The Marking Example Per Atex And Iecex

    Use in Hazardous Environments WAGO I/O System 750 750-637 Incremental Encoder Interfaces Table 39: Description of the Marking Example per ATEX and IECEx Marking Text Description TUEV 07 ATEX 554086 X Approving authority or certificate numbers IECEx TUN 09.0001 X...

  • Page 55: Figure 16: Marking Example Of An Approved I/O Module Ex I Per Atex And

    WAGO I/O System 750 Use in Hazardous Environments 750-637 Incremental Encoder Interfaces Figure 16: Marking Example of an Approved I/O Module Ex i per ATEX and IECEx Figure 17: Text Detail – Marking Example of an Approved I/O Module Ex i...

  • Page 56: Table 40: Description Of The Marking Example Of An Approved I/O Module Ex I

    Use in Hazardous Environments WAGO I/O System 750 750-637 Incremental Encoder Interfaces Table 40: Description of the Marking Example of an Approved I/O Module Ex i per ATEX and IECEx Marking Text Description TUEV 12 ATEX 106032 X Approving authority or...

  • Page 57: Marking For The United States Of America (Nec) And Canada (Cec)

    WAGO I/O System 750 Use in Hazardous Environments 750-637 Incremental Encoder Interfaces 8.1.2 Marking for the United States of America (NEC) and Canada (CEC) Figure 18: Marking Example According to NEC Figure 19: Text Detail – Marking Example According to NEC 500...

  • Page 58: Figure 20: Text Detail - Marking Example For Approved I/O Module Ex I

    Use in Hazardous Environments WAGO I/O System 750 750-637 Incremental Encoder Interfaces Figure 20: Text Detail – Marking Example for Approved I/O Module Ex i According to NEC 505 Table 42: Description of Marking Example for Approved I/O Module Ex i According to NEC 505...

  • Page 59: Figure 22: Text Detail - Marking Example For Approved I/O Module Ex I

    WAGO I/O System 750 Use in Hazardous Environments 750-637 Incremental Encoder Interfaces Figure 22: Text Detail – Marking Example for Approved I/O Module Ex i According to CEC 18 attachment J Table 44: Description of Marking Example for Approved I/O Module Ex i According to CEC 18...

  • Page 60: Installation Regulations

    Special Notes including Explosion Protection The following warning notices are to be posted in the immediately proximity of the WAGO I/O System 750 (hereinafter “product”): WARNING – DO NOT REMOVE OR REPLACE FUSED WHILE ENERGIZED! WARNING – DO NOT DISCONNECT WHILE ENERGIZED! WARNING –...
  • Page 61 WAGO I/O System 750 Use in Hazardous Environments 750-637 Incremental Encoder Interfaces Explosive atmosphere occurring simultaneously with assembly, installation or repair work must be ruled out. Among other things, these include the following activities • Insertion and removal of components •...

  • Page 62: Special Notes Regarding Ul Hazardous Location

    Use in Hazardous Environments WAGO I/O System 750 750-637 Incremental Encoder Interfaces 8.2.2 Special Notes Regarding UL Hazardous Location For UL Hazardous Location acc. to UL File E198726, the following additional requirements apply: • Use in Class I, Division 2, Group A, B, C, D or non-hazardous areas only •...

  • Page 63: List Of Figures

    WAGO I/O System 750 List of Figures 750-637 Incremental Encoder Interfaces List of Figures Figure 1: View ....................18 Figure 2: Data Contacts ..................19 Figure 3: CAGE CLAMP ® Connectors – Versions 750-637 and 750-637/000-003 ..................20 Figure 4: CAGE CLAMP ®...

  • Page 64: List Of Tables

    List of Tables WAGO I/O System 750 750-637 Incremental Encoder Interfaces List of Tables Tabelle 1: Varianten .................... 5 Table 2: Number Notation ................... 9 Table 3: Font Conventions .................. 9 Table 4: Inputs/Outputs – Versions 750-637 and 750-637/000-003 ....16 Table 5: Inputs/Outputs –...
  • Page 65 WAGO I/O System 750 List of Tables 750-637 Incremental Encoder Interfaces Table 37: Function Description — Outputs, All Versions, Except 750-637/000-004 ................46 Table 38: Function Description — Outputs, Version 750-637/000-004 Only ..46 Table 39: Description of the Marking Example per ATEX and IECEx ....54 Table 40: Description of the Marking Example of an Approved I/O Module Ex i per ATEX and IECEx ................56...
  • Page 66 WAGO Kontakttechnik GmbH & Co. KG Postfach 2880 • D - 32385 Minden Hansastraße 27 • D - 32423 Minden Phone: +49 571 887 – 0 Fax: +49 571 887 – 844169 E-Mail: info@wago.com Internet: www.wago.com...

This manual is also suitable for:

750-637750-637/000-001750-637/000-002750-637/000-003750-637/000-004

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