Cognex VC5 Hardware Manual
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Cognex VC5 Hardware Manual

Cognex VC5 Hardware Manual

Vision controller
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Summary of Contents for Cognex VC5

  • Page 1 Vision Controller Hardware Manual...

  • Page 2: Legal Notices

    Copyright © 2014 - 2015. 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: http://www.cognex.com/patents.

  • Page 3: Symbols

    Symbols Symbols The following symbols indicate safety precautions and supplemental information. WARNING: This symbol indicates the presence of a hazard that could result in death, serious personal injury or electrical shock. CAUTION: This symbol indicates the presence of a hazard that could result in property damage. Note: Notes provide supplemental information about a subject.

  • Page 4: Regulations/Conformity

    Regulations/Conformity Regulations/Conformity Note: For the most up-to-date regulations and conformity information, please refer to the Cognex online support site: http://www.cognex.com/Support. Safety and Regulatory VC5: Regulatory Model 1AAC FCC Part 15, Class A This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference;...

  • Page 5: Precautions

    The vision controller is intended to be supplied by a NRTL listed power supply with a minimum output rated 24VDC, 5A and must be used with the Cognex-supplied 24VDC power connector. Any other voltage creates a risk of fire or shock and can damage the components. Wire and connections must be in accordance with these instructions, the National Electrical Code and applicable national and local wiring standards and rules.

  • Page 6: Table Of Contents

    Standard Components Accessories Connectors and Indicators Installation Mount the Vision Controller Connect the Cognex Industrial GigE Camera Connect the Cognex DS900 Series Sensor Connect the Cognex DS1000 Series Sensor Connect the INPUTS and OUTPUTS Terminal Blocks Connect the ENCODER Terminal Blocks...
  • Page 7 Table of Contents Wire Inputs and Outputs Input from PLC - Current Sinking Input from PLC - Current Sourcing Output to PLC - Current Sinking Output to PLC - Current Sourcing Output to Pilot Light - Current Sinking Output to Pilot Light - Current Sourcing Differential Encoder Configuration Single-Ended Encoder Configuration Replace the Fuse...

  • Page 8: Introduction

    DIN-rail mountable. Support Several resources are available to assist you in using the vision controller with the connected Cognex device: Cognex Industrial Cameras Getting Started Guide, included with the Cognex Industrial GigE Camera. DS900 Series Displacement Sensors Quick Reference Guide, included with the Cognex DS900 series displacement sensor.

  • Page 9: Standard Components

    Standard Components The vision controller is shipped with the components listed below. Note: If any of the standard components appear to be missing or damaged, immediately contact your Cognex Authorized Service Provider (ASP) or Cognex Technical Support. Cables are sold separately.

  • Page 10: Accessories

    Introduction Accessories The following optional components can be purchased separately. For a complete list of options and accessories, contact your local Cognex sales representative. Component Description Cognex Industrial GigE Light-weight digital camera. Camera Cognex DS900 Series Integrated 3D profiling sensor.

  • Page 11: Connectors And Indicators

    Gigabit Ethernet connectivity to Cognex industrial GigE cameras and Cognex LEDs displacement sensors. These ports also provide power to the Cognex industrial devices that support Power over Ethernet (PoE). The G1 - G4 yellow LEDs illuminate to indicate that the corresponding Cognex industrial GigE camera is receiving PoE from the vision controller.
  • Page 12 When the vision controller is in its low power idle mode, pressing the Standby button resets the vision controller and restores normal operation. SENSOR 1 - The green PWR LED illuminates to indicate the corresponding Cognex DS1000 SENSOR 2 PWR series sensor is receiving power. LEDs...
  • Page 13 Introduction Connector/Indicator Function I-ENET Port and The I-ENET port is a 10/100 RJ-45 Ethernet port that can be connected to a LEDs network that is dedicated to industrial Ethernet devices (for example, PLCs or robots) to communicate with the devices using supported industrial Ethernet protocols.

  • Page 14: Installation

    Installation Installation This section describes the connection of the vision controller to its standard and optional components. For a complete list of options and accessories, contact your Cognex sales representative. Note: Cables are sold separately. CAUTION: All cable connectors are “keyed” to fit the connectors on the vision controller; do not force the connections or damage may occur.

  • Page 15: Connect The Cognex Industrial Gige Camera

    To avoid electromagnetic interference, the Ethernet cable must be shielded. Cognex strongly recommends Cat 6 or Cat 7 Ethernet cables with S/STP shielding. The GigE ports are dedicated to Cognex industrial devices and cannot be used to connect to a Gigabit Ethernet network or to communicate via industrial Ethernet communication protocols.

  • Page 16: Connect The Cognex Ds900 Series Sensor

    For more information, refer to the DS900 Series Displacement Sensors Quick Reference Guide. The GigE ports are dedicated to Cognex industrial devices and cannot be used to connect to a Gigabit Ethernet network or to communicate via industrial Ethernet communication protocols.

  • Page 17: Connect The Cognex Ds1000 Series Sensor

    For more information, refer to the DS1000 Series Displacement Sensors Quick Reference Guide. The GigE ports are dedicated to Cognex industrial devices and cannot be used to connect to a Gigabit Ethernet network or to communicate via industrial Ethernet communication protocols.

  • Page 18: Connect The Inputs And Outputs Terminal Blocks

    Installation Connect the INPUTS and OUTPUTS Terminal Blocks The vision controller is shipped with four terminal blocks for connecting inputs and outputs. Note: It is recommended that all terminal blocks be installed to the vision controller, even if no devices are wired to the terminal block connectors.

  • Page 19: Connect The Encoder Terminal Blocks

    Installation Connect the ENCODER Terminal Blocks The vision controller features four 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. The vision controller is shipped with two ENCODER terminal blocks for connecting encoder inputs.

  • Page 20: Connect To An Ethernet Network (Optional)

    Ethernet network adapter or switch, as applicable. Note: To avoid electromagnetic interference, the Ethernet cable must be shielded. Cognex strongly recommends Cat 6 or Cat 7 Ethernet cables with S/STP shielding. The LAN ports are dedicated to connecting to an Ethernet network and cannot be used to connect to Cognex industrial devices or to communicate via industrial Ethernet communication protocols.

  • Page 21: Connect A Vga Monitor (Optional)

    USB ports. CAUTION: Cognex recommends only cold-plugging USB devices; turn the vision controller power off when connecting or disconnecting USB devices. Note: When using the vision controller in an electrically noisy environment, it is important to use USB devices that are rated for industrial use in the same environment.

  • Page 22: Connect An Rs-232 Serial Device (Optional)

    The vision controller is shipped with a 24VDC power connector. Note: A DIN rail-mountable power supply accessory is available. Please contact your Cognex sales representative for more information. If using a power supply with a ground terminal, the terminal must be connected to earth ground. If using a DIN rail-mounted power supply, the power supply must be mounted to an earth-grounded DIN rail.
  • Page 23 Installation 5. Insert the power connector into the vision controller's 24VDC power port. Tighten the connector screws to secure it to the vision controller. 6. Restore power to the 24VDC power supply and turn it on if necessary.

  • Page 24: Specifications

    1 RJ-45 Ethernet port, 10/100 BaseT with auto MDIX. IEEE 802.3 TCP/IP Protocol. Dedicated port for Ethernet-based industrial protocol communications. SENSOR 2 DB15 ports that provide power, encoder and trigger connections to Cognex DS1000 series sensors. Ports Each port supplies 24VDC, 500mA maximum.
  • Page 25 Specifications Specifications 16 - 26 AWG, solid or stranded wire. Torque 0.25 Nm (2.2 in-lb). I/O Terminal Connectors 14 - 18 AWG, solid or stranded wire. Torque 0.6 Nm (5.3 in-lb). 24VDC Power Connector Weight 4.3 kg (9.5 lb) Current 5A (maximum) Voltage 24VDC ±10% Power...

  • Page 26: I/O Specifications

    Specifications I/O Specifications Specifications for the vision controller's inputs and outputs are provided in the following section. Inputs The vision controller features eight independent inputs (INPUTS 0 - 7), which can be used to trigger vision controller events. The inputs are optically isolated and typically connected (directly or indirectly) to a PLC or photoelectric sensor. The vision controller will respond to an event when the voltage difference between the INPUT and INPUT COMMON exceeds 10VDC.

  • Page 27: Outputs

    Specifications Outputs The vision controller 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 28: Encoder Inputs

    Specifications Encoder Inputs The vision controller features four 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. The encoder signals are buffered and sent to each DS1000 series sensor through the SENSOR ports.

  • Page 29: Port And Terminal Block Specifications

    The following sections provide specifications for the vision controller's ports and terminal blocks. GigE Ports The four GigE ports (GigE 1 - GigE 4) are 10/100/1000 RJ-45 ports that provide Gigabit Ethernet connectivity to Cognex industrial GigE cameras and Cognex displacement sensors. These ports also provide power to the Cognex industrial devices that support Power over Ethernet (PoE).

  • Page 30: Lan Ports

    Specifications LAN Ports The two LAN ports (LAN 1 and LAN 2) are 10/100/1000 RJ-45 Ethernet ports that are used to connect the vision controller to an Ethernet network. Pin Number Signal Name TRANSMIT+ TRANSMIT- RECEIVE+ RJ-1 (for 100 BaseT only) RJ-1 (for 100 BaseT only) RECEIVE- RJ-1 (for 100 BaseT only)

  • Page 31: Vga Port

    Specifications VGA Port The VGA port is an analog DB15 connector that provides connection to a VGA monitor. Pin Number Signal Name GREEN BLUE AGND CRT DET# AGND AGND VGA 5V AGND DDC DAT HORIZONTAL SYNC VERTICAL SYNC DDC CLK USB Ports The three USB ports are USB 2.0 ports that can be used to connect HID devices (mouse, keyboard or mass storage device).

  • Page 32: Sensor Ports

    The two SENSOR ports (SENSOR 1 and SENSOR 2) are DB15 ports that provide power, encoder and trigger connections to Cognex DS1000 series sensors via the Power and I/O cable. Note: The SENSOR ports are not supported with the DS900 series sensor.

  • Page 33: 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 34: Inputs Terminal Block Assignments

    Specifications INPUTS Terminal Block Assignments The INPUTS terminal blocks provide access to a total of 8 inputs and 2 common connections. Recommended wiring is 16 - 26 AWG, solid or stranded wire. CAUTION: The maximum torque that can be applied to the I/O terminal connectors is 0.25 Nm (2.2 in-lb). Applying torque above this limit can damage the connectors.

  • Page 35: Outputs Terminal Block Assignments

    Specifications OUTPUTS Terminal Block Assignments The OUTPUTS terminal blocks provide access to a total of 16 outputs and 2 common connections. Recommended wiring is 16 - 26 AWG, solid or stranded wire. CAUTION: The maximum torque that can be applied to the I/O terminal connectors is 0.25 Nm (2.2 in-lb). Applying torque above this limit can damage the connectors.

  • Page 36: Encoder Terminal Block Assignments

    Specifications ENCODER Terminal Block Assignments The ENCODER terminal blocks connect the vision controller to encoder inputs. Recommended wiring is 16 - 26 AWG, solid or stranded wire. CAUTION: The maximum torque that can be applied to the I/O terminal connectors is 0.25 Nm (2.2 in-lb). Applying torque above this limit can damage the connectors.

  • Page 37: Power And I/O Cable Specifications (Ds1000 Only)

    Power and I/O Cable Specifications (DS1000 Only) The Power and I/O cable connects the Cognex DS1000 series sensor directly to the vision controller's SENSOR ports via the DB15 connector. When connected to the vision controller, all power, encoder and trigger lines used by the sensor are connected using the Power and I/O cable.

  • Page 38: Vision Controller Dimensions

    Specifications Vision Controller Dimensions Note: All dimensions are in millimeters [inches] and are for reference purposes only. All specifications are for reference purpose only and may be changed without notice.

  • Page 39: 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, C1) to the high voltage reference (+24VDC) and connect one of the INPUTS on the same terminal row (for example, INPUT 0) to the OUTPUT of the photoelectric sensor or PLC.

  • Page 40: 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, C1) to the low voltage reference (24V COMMON) and one of the INPUTS on the same terminal row (for example, INPUT 0) to the OUTPUT of the photoelectric sensor or PLC.

  • Page 41: 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, C1) to the low voltage reference (24V COMMON) and connect one of the OUTPUTS on the same terminal row (for example, OUTPUT 4) to the INPUT of the photoelectric sensor or PLC.

  • Page 42: 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, C1) to the high voltage reference (+24VDC) and connect one of the OUTPUTS on the same terminal row (for example, OUTPUT 4) to the INPUT of the photoelectric sensor or PLC.

  • Page 43: 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, C2) to the power supply's low voltage reference (24V COMMON) and connect one of the OUTPUTS on the same terminal row (for example, OUTPUT 12) to the pilot light's low voltage reference (24V COMMON).

  • Page 44: 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, C2) to the power supply's high voltage reference (+24VDC) and connect one of the OUTPUTS on the same terminal row (for example, OUTPUT 12) to the pilot light's high voltage reference (+24VDC).

  • Page 45: 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 the Frame Ground terminal (Pin 3) on the vision controller's 24VDC power connector. Refer to 24VDC Power Connector Terminal Assignments on page 36 for terminal pin assignments.

  • Page 46: 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 47: Replace The Fuse

    Replace the Fuse Replace the Fuse The vision controller includes a system fuse to provide over-current protection for the vision controller. CAUTION: The system fuse is the only user-serviceable part in this product. Do not open this product; there are no other user serviceable parts.

  • Page 48: Cleaning/Maintenance

    Cleaning/Maintenance Cleaning/Maintenance Use a cleaning cloth or brush to remove dirt, dust and smudges from the vision controller. Keep all liquids away from the vision controller connectors and openings. CAUTION: Cleaning chemicals should not be used on the vision controller.
  • Page 49 P/N INS-597-0062-01 Rev. B...

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