Cognex CC24 Hardware Manual
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Cognex CC24 Hardware Manual

Cognex CC24 Hardware Manual

Communication card
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CC24 Communication Card
Hardware Manual
2019 January 15

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Summary of Contents for Cognex CC24

  • Page 1 CC24 Communication Card Hardware Manual 2019 January 15...

  • Page 2: Legal Notices

    Copyright © 2018. Cognex Corporation. All Rights Reserved. Portions of the hardware and software provided by Cognex may be covered by one or more U.S. and foreign patents, as well as pending U.S. and foreign patents listed on the Cognex web site at: cognex.com/patents.

  • Page 3: Symbols

    Symbols Symbols The following symbols indicate safety precautions and supplemental information: WARNING: This symbol indicates a hazard that could cause death, serious personal injury or electrical shock. CAUTION: This symbol indicates a hazard that could result in property damage. Note: This symbol indicates additional information about a subject. Tip: This symbol indicates suggestions and shortcuts that might not otherwise be apparent.

  • Page 4: Regulations/Conformity

    Regulations/Conformity Regulations/Conformity Note: For the most current CE declaration and regulatory conformity information, see the Cognex support site: cognex.com/support. Safety and Regulatory Cognex Communication Card: Regulatory Model 1AAR FCC Part 15, Class A This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.

  • Page 5: Precautions

    Precautions Precautions Observe these precautions when installing the Cognex Communication card to reduce the risk of injury or equipment damage: Route cables and wires away from high-current wiring or high-voltage power sources to reduce the risk of damage or malfunction from the following causes: over-voltage, line noise, electrostatic discharge (ESD), power surges, or other irregularities in the power supply.

  • Page 6: Table Of Contents

    Table of Contents Table of Contents Legal Notices Symbols Regulations/Conformity Precautions Table of Contents Introduction Support Accessories Connectors and Indicators Installation Host PC Requirements Select a PCI Express Slot Install the Communication Card to the PC Connect I/O Devices (Optional) Connect the Breakout Cable Connect the I/O Terminal Block Cable and Terminal Block Connect to an Industrial Ethernet Device (Optional) Specifications...

  • Page 7: Introduction

    Introduction Introduction The Cognex Communication card is a PCI Express x1 card that can be installed to a standard PC, and is designed for easy integration with Cognex's industry-leading software applications. The Communication card also provides: 8 inputs, optically isolated...

  • Page 8: Connectors And Indicators

    Introduction Connectors and Indicators Connector/Indicator Function Mini Delta Ribbon The Mini Delta Ribbon (MDR) connector is a 36-pin Connector connector that provides access to inputs, output and encoder lines via the Breakout cable or I/O Terminal Block Mini Delta Ribbon cable.

  • Page 9: Installation

    One available PCI Express card slot. One available CD-ROM or DVD-ROM drive (or access to one over a network) to install the Cognex software. Additional requirements may be imposed by your Cognex software package. Check the Cognex software's release notes for the software's requirements, if any, on: Minimum recommended CPU speed.

  • Page 10: Install The Communication Card To The Pc

    Installation Install the Communication Card to the PC CAUTION: Electrostatic discharge (ESD) can damage the electronic components of the Cognex hardware; wear a grounded, static-dissipating wrist strap for ESD protection. 1. Power off the PC and remove its cover. 2. Select a PCI Express x1 slot. Remove the slot cover and store it for future use.

  • Page 11: Connect The I/O Terminal Block Cable And Terminal Block

    Installation Connect the I/O Terminal Block Cable and Terminal Block 1. Determine how I/O devices will be connected to the Communication card's inputs and outputs. Refer to Wire Inputs and Outputs on page 27 for common wiring configurations. 2. Make sure all I/O devices and the PC hosting the Communication card are powered off. 3.

  • Page 12: Connect To An Industrial Ethernet Device (Optional)

    10/100 RJ-45 Ethernet cable to the Communication card's I-ENET port and connect the other end of the cable to a network switch/router. Note: To avoid electromagnetic interference, the Ethernet cable must be shielded. Cognex strongly recommends Cat 5e or Cat 6 Ethernet cables with S/STP shielding. The I-ENET port is dedicated to industrial Ethernet communications and cannot be used to connect to...

  • Page 13: Specifications

    Specifications Specifications The following sections list general specifications for the Communication card. Communication Card Specifications Specifications Description Bus Interface PCI Express, x1 Gen2 Bus Interface Any PCIe slot. Options Inputs 8 optically isolated discrete inputs. Outputs 16 optically isolated discrete outputs. Encoder Inputs Four non-isolated 4x encoder inputs.

  • Page 14: Inputs

    Specifications Inputs The Communication card features eight independent inputs (INPUTS 0 - 7), which can be used to trigger events. The inputs are optically isolated and typically connected (directly or indirectly) to a PLC or photoelectric sensor. The Communication card will respond to an event when the voltage difference between the INPUT and INPUT COMMON exceeds 10VDC.

  • Page 15: Outputs

    Specifications Outputs The Communication card features sixteen independent outputs (OUTPUTS 0 -15), which are optically isolated. OUTPUTS 0 - 7 provide up to 50mA current (maximum). These outputs are typically connected (directly or indirectly) to an input, such as a trigger input or PLC input. OUTPUTS 8 - 15 provide up to 100mA of current (maximum).

  • Page 16: Encoder Inputs

    Specifications Encoder Inputs The Communication card features four 4x encoder inputs that can be used to connect to either a single-ended or differential encoder. Using an encoder allows you to specify input and output delay values in pulse counts instead of real time units.

  • Page 17: I-Enet Port

    Specifications I-ENET Port The I-ENET port is a 10/100 RJ-45 Ethernet port that can be connected to a network that is dedicated to industrial Ethernet devices (for example, PLCs or robots) to communicate with the devices using supported industrial Ethernet protocols. Pin Number Signal Name TRANSMIT+...

  • Page 18: Mini Delta Ribbon Connector

    Specifications Mini Delta Ribbon Connector The Mini Delta Ribbon (MDR) connector is a 36-pin connector that provides access to inputs, output and encoder lines via the Breakout cable or I/O Terminal Block cable. Pin Number Signal Name ENCODER A+ ENCODER A- ENCODER GROUND OUTPUT COMMON 4 OUTPUT 15...
  • Page 19 Specifications Pin Number Signal Name INPUT 3 INPUT 2 INPUT 1 INPUT 0...

  • Page 20: Breakout Cable Specifications

    Specifications Breakout Cable Specifications The Breakout cable provides access to the Communication card's input, output and encoder lines. The Breakout cable is not terminated. Note: Cables are sold separately. You can clip unused wires short or use a tie made of non-conductive material to tie them back. Pin Number Signal Name Wire Color...
  • Page 21 Specifications Pin Number Signal Name Wire Color OUTPUT 2 Blue/Red OUTPUT 1 Yellow/Red OUTPUT 0 Brown/Red OUTPUT COMMON 1 Orange/Red INPUT COMMON 1 White/Green INPUT 3 Blue/Green INPUT 2 Yellow/Green INPUT 1 Brown/Green INPUT 0 Orange/Green Shell Shield Bare Wire...

  • Page 22: I/O Terminal Block Cable Specifications

    Specifications I/O Terminal Block Cable Specifications The I/O Terminal Block cable connects the Communication card directly to the Terminal Block accessory via the DB37 connector. When the Terminal Block accessory is used, all inputs, outputs and encoder lines used by the Communication card are connected using the I/O Terminal Block cable.
  • Page 23 Specifications P1 Pin Number Signal Name P2 Pin Number OUTPUT 0 OUTPUT COMMON 1 INPUT COMMON 1 INPUT 3 INPUT 2 INPUT 1 INPUT 0 NOT USED...

  • Page 24: Terminal Block Assignments

    Specifications Terminal Block Assignments The DIN-rail mountable Terminal Block provides access to the Communication card's input, output and encoder lines. Recommended wiring is 12 - 24 AWG, solid or stranded wire. CAUTION: The maximum torque that can be applied to the I/O terminal connectors is 0.5 Nm to 0.6 Nm (4.4 in-lb to 5.3 in-lb).

  • Page 25: Terminal Block Leds

    Specifications Terminal Block LEDs Each terminal pin has a corresponding LED. To use the LED indicators, the LED GROUND terminal must be connected to the ground (current sink) associated with the INPUT or OUTPUT lines. Each LED will light when 5VDC - 24VDC is present on the associated terminal pin.

  • Page 26: Communication Card Dimensions

    Specifications Communication Card Dimensions The Communication card is a short length PCIe card, occupying a single x1 PCIe bus slot. Note: Dimensions are in millimeters [inches] and are for reference purposes only. All specifications are for reference purposes only and can change without notice.

  • Page 27: Wire Inputs And Outputs

    Wire Inputs and Outputs Wire Inputs and Outputs The following figures show basic wiring for some of the more common I/O configurations. Input from PLC - Current Sinking To configure the input as a sinking input, connect INPUT COMMON (for example, INPUT COMMON 1) to the high voltage reference (+24VDC) and connect one of the INPUTS (for example, INPUT 0) to the OUTPUT of the photoelectric sensor or PLC.

  • Page 28: Input From Plc - Current Sourcing

    Wire Inputs and Outputs Input from PLC - Current Sourcing To configure the input as sourcing input, connect INPUT COMMON (for example, INPUT COMMON 1) to the low voltage reference (24V COMMON) and one of the INPUTS (for example, INPUT 0) to the OUTPUT of the photoelectric sensor or PLC.

  • Page 29: Output To Plc - Current Sinking

    Wire Inputs and Outputs Output to PLC - Current Sinking To configure the output as a sinking output, connect OUTPUT COMMON (for example, OUTPUT COMMON 2) to the low voltage reference (24V COMMON) and connect one of the OUTPUTS (for example, OUTPUT 4) to the INPUT of the photoelectric sensor or PLC.

  • Page 30: Output To Plc - Current Sourcing

    Wire Inputs and Outputs Output to PLC - Current Sourcing To configure the output as a sourcing output, connect OUTPUT COMMON (for example, OUTPUT COMMON 2) to the high voltage reference (+24VDC) and connect one of the OUTPUTS (for example, OUTPUT 4) to the INPUT of the photoelectric sensor or PLC.

  • Page 31: Output To Pilot Light - Current Sinking

    Wire Inputs and Outputs Output to Pilot Light - Current Sinking To configure the output as a sinking output, connect OUTPUT COMMON (for example, OUTPUT COMMON 4) to the power supply's low voltage reference (24V COMMON) and connect one of the OUTPUTS (for example, OUTPUT 12) to the pilot light's low voltage reference (24V COMMON).

  • Page 32: Output To Pilot Light - Current Sourcing

    Wire Inputs and Outputs Output to Pilot Light - Current Sourcing To configure the output as a sourcing output, connect OUTPUT COMMON (for example, OUTPUT COMMON 4) to the power supply's high voltage reference (+24VDC) and connect one of the OUTPUTS (for example, OUTPUT 12) to the pilot light's high voltage reference (+24VDC).

  • Page 33: Differential Encoder Configuration

    Wire Inputs and Outputs Differential Encoder Configuration For a differential encoder, connect A+, B+, A- and B- to the corresponding encoder outputs. Connect the encoder's ground wire to ENCODER GROUND. Note: Non-quadrature, single-channel encoders are not supported. The frequency of encoder pulses must not exceed 50 kHz.

  • Page 34: Single-Ended Encoder Configuration

    Wire Inputs and Outputs Single-Ended Encoder Configuration For a single-ended encoder, connect A+ and B+ to the corresponding encoder outputs. Derive A- and B- from the encoder voltage source and make them equal to 50% of the encoder reference voltage (for example, if the encoder is connected to 24VDC, set A- and B- to 12VDC).
  • Page 35 P/N INS-597-0064-01 Rev. B...

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