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Cognex MVS-8000 Series

MVS-8100D and CDC Cameras
Hardware Manual

October 2006

Summary of Contents for CDC Series

Page 1: ...Cognex MVS 8000 Series MVS 8100D and CDC Cameras Hardware Manual October 2006...

Page 2: ...is not responsible for any errors that may be present in either this document or the associated software Copyright 2006 Cognex Corporation All Rights Reserved Printed in U S A This document may not be...

Page 3: ...nd Strobes 14 Connecting Parallel I O Devices 15 Connecting TTL Devices 16 Connecting Opto Isolated Devices 19 Chapter 2 MVS 8100D Hardware Description 25 Mechanical Specifications 26 Model Difference...

Page 4: ...ion to CogLink 45 Performance Factors 45 Serialized Data Stream 46 Addressable Camera Channels 46 Camera Usage Notes 46 Darker Initial Images 47 Image Shading Gradient CDC 50 Only 47 CDC Series Camera...

Page 5: ...D frame grabber Chapter 2 MVS 8100D Hardware Description describes the Cognex MVS 8100D in detail including environmental and power requirements and mechanical and electrical specifications This chapt...

Page 6: ...tton names dialog box names and menu choices italic Used for names of variables data members arguments enumerations constants program names file names Used for names of books chapters and sections Occ...

Page 7: ...ces The following are the address and phone number of Cognex corporate headquarters and the address of the Cognex web site Corporate Headquarters Cognex Corporation Corporate Headquarters One Vision D...

Page 8: ...8 Cognex MVS 8100D and CDC Cameras Hardware Manual...

Page 9: ...ds with VIA chip sets that support the AMD K6 2 and Athlon CPUs are known to be compliant One available short length PCI slot for the MVS 8100D A CD ROM drive or access to one over a network to instal...

Page 10: ...s chassis through the faceplate screw This is because each CDC series camera is grounded through its connecting cable to the faceplate Improperly grounded cameras can produce intermittent video errors...

Page 11: ...ns Connecting Cognex CDC Series Cameras Cognex CDC series cameras connect to the MVS 8100D using the cable or combination of cables shown in Table 2 on page 12 The cables in the grey boxes of this tab...

Page 12: ...onnecting a Single Camera To attach a camera with the single camera cable P N 300 0367 follow these steps 1 Make sure the host PC s power is off 2 Wear a grounded static dissipating wrist strap for ES...

Page 13: ...ices to the cameras while the PC s power is still off 8 After power is restored to the PC and the MVS 8100D s device driver loads look on the faceplate of the MVS 8100D and make sure the link success...

Page 14: ...rd when cleaning Caution Do not use alcohol based cleaning solutions spray water or cleaning fluids directly onto the glass window which could allow moisture to enter the CDC camera body and damage th...

Page 15: ...other insulator Join the camera s Trigger wire to the device s minus wire in the same way 8 Connect the Strobe wires to the positive and negative terminals or wires of your strobe device respectively...

Page 16: ...100D3 Your vision processing application determines with software commands whether a bidirectional line is used for input or output Each line is independently controlled any line can be either input o...

Page 17: ...of 16 screw terminals The number of active terminals of the 16 is shown in the following table Model Active bidirectional TTL terminals TTL Ground terminals No connect MVS 8100D1 Pins 1 8 Pins 13 14...

Page 18: ...the value of toggle and set the input output direction of each line Pin Signal Name on MVS 8100D1 Signal Name on MVS 8100D2 and MVS 8100D3 1 TTL_BI_1 TTL_BI_1 2 TTL_BI_2 TTL_BI_2 3 TTL_BI_3 TTL_BI_3...

Page 19: ...TTL signals from the MVS 8100D and passes them through optical isolation circuitry splitting each TTL bidirectional line into a plus and minus pair of either input or output lines You then connect par...

Page 20: ...able Figure 6 shows the connections to the external I O module when used with the MVS 8100D1 Figure 6 External I O module connections with MVS 8100D1 Model Opto isolated terminal pairs No connect Illu...

Page 21: ...ternal I O module s screw terminal labeled Ground to a ground point Caution The external I O module must have the same ground potential as the chassis of the PC containing the MVS 8100D Any difference...

Page 22: ...N 7 of the input terminal block are not used with the MVS 8100D Note that after opto isolation of the TTL signal from the MVS 8100D the connections are for inputs only and are no longer bidirectional...

Page 23: ...to isolated and used as Pin Number MVS 8100D1 MVS 8100D2 MVS 8100D3 TTL_BI_3 TTL_BI_3 OUT 0 Any output device Any output device TTL_BI_3 OUT 0 TTL_BI_4 TTL_BI_4 OUT 1 Any output device Any output devi...

Page 24: ...ger bidirectional 8 Use your Cognex software documentation to map the signal names from Table 8 and Table 9 to the software commands that enable disable set and toggle each line TTL_BI_10 TTL_BI_10 OU...

Page 25: ...8100D More detail about each feature is provided later in this chapter Frame Grabber Feature Cognex MVS 8100D Image acquisition timing supported Cognex proprietary high speed serial protocol Camera ty...

Page 26: ...TL lines connecting to MVS 8100D 8 lines on single channel model 12 lines on multiple channel models Board power requirments Universal PCI signaling The PCI connector is slotted for either 3 3 V or 5...

Page 27: ...board as listed in Table 11 on page 27 Table 11 shows the differences between the three models Environmental Requirements Table 12 lists the environmental requirements for the MVS 8100D These specifi...

Page 28: ...8100D Each camera input channel is protected by a PolySwitch resettable fuse at 750 mA per channel Each parallel I O line is individually protected by a PolySwitch fuse at 200 mA per line If an over...

Page 29: ...8100D frame grabbers are in conformance with the EN61326 1998 Council Directive on immunity for measurement control and laboratory equipment encompassing the following tests EN61000 4 2 1995 EN61000...

Page 30: ...cameras use a micro DB 9 connector LED Condition Red In normal operation this LED is off When first powered on the MVS 8100D loads instructions stored in flash memory into an onboard chip This red LE...

Page 31: ...with 300 0364 Standard DB 9F to micro DB 9 Connects between a branch of breakout cables 300 0365 and 300 0366 to a Cognex CDC series camera 300 0365 DB 26M to two branches each with standard DB 9M Bre...

Page 32: ...pend on your vision processing application and can include for example status reporting LEDs or parts reject switches The MVS 8100D provides eight or twelve bidirectional TTL parallel I O lines Model...

Page 33: ...Caution The MVS 8100D s parallel I O port resembles the industry standard VGA connector but is wired very differently Do not connect a monitor to this port or you may damage your MVS 8100D your monito...

Page 34: ...en collector output When a bidirectional line is configured as an output line the output current for logic high voltage VOH for each TTL line is 32 mA and for logic low voltage VOL is 64 mA When a bid...

Page 35: ...emale plug has the last two terminal positions removed so that it will fit with the key plugs in place The key plugs are primarily to prevent the connection of a female terminal plug from any other Co...

Page 36: ...26M side of the cable connects to the external I O module s HD 26F connector labeled Vision Processor Cognex does not support the connection of devices to the pins of cable 300 0359 The opto isolatio...

Page 37: ...ule include 4 optically isolated inputs and 8 optically isolated outputs for the MVS 8100D2 and MVS 8100D3 2 optically isolated inputs and 6 optically isolated outputs for the MVS 8100D1 Signal voltag...

Page 38: ...the external I O module Figure 17 Parts layout of external I O module The DB 26F connector provides a connection from the MVS 8100D through Cognex cable 300 0359 The input and output terminals provid...

Page 39: ...of the signal to a positive numbered terminal and the sink side to a negative numbered terminal Mechanical and Electrical Specifications The following table lists the mechanical and electrical specif...

Page 40: ...e 9 on page 23 Power 5 V DC supplied from the vision system Maximum Output Current 24 mA sink or source ON State Voltage Drop 0 8 V DC 10 mA 2 6 V DC 24 mA OFF State Leakage Current 100 A maximum 15 V...

Page 41: ...to the MVS 8100D s I O port with cable 300 0358 will receive its signal 100 to 300 microseconds slower on the external I O module compared to the 300 0358 cable A delay of this small magnitude is not...

Page 42: ...are Manual The following figure shows a typical output schematic to help you determine how to wire your output devices to the external I O module Figure 20 Typical output schematic for external I O mo...

Page 43: ...mera Overview on page 44 provides an overview of the CDC camera series distinguishes the camera models in the series describes the CogLink communication protocol and describes the rolling shutter feat...

Page 44: ...ling shutter selectable by software These shutter types are described in Global and Rolling Shutters on page 44 The CDC 100 camera captures images sizes up to 1280x1024 pixels at a frame rate of up to...

Page 45: ...uses the Bus Low Voltage Differential Signaling Bus LVDS standard Bus LVDS is a variation of the LVDS technology specified in the EIA 644 standard Bus LVDS has about twice the current capability of s...

Page 46: ...kets and image data packets and keep the two packet types separate Thus CogLink allows image data and camera control data to flow on the same channel between frame grabber and camera at the same time...

Page 47: ...shutter mode it is possible for the image to exhibit a shading gradient normal at the top and getting progressively brighter towards the bottom The operating conditions required to bring about this c...

Page 48: ...to illuminate the target Increase the camera s gain The MVS 8100D acquisition system is optimized for a gain of 1 0 and most applications will perform best at this setting Be aware that increasing th...

Page 49: ...ications This section describes the specifications for the Cognex CDC series cameras Figure 21 shows the CDC 50 camera with lens and mounting block attached Figure 21 CDC 50 camera Figure 22 shows a C...

Page 50: ...the following figures measurements are shown in inches with millimeters in brackets Figure 23 shows a side view of the CDC camera series Figure 23 CDC camera side view with measurements Figure 24 sho...

Page 51: ...as Hardware Manual 51 Figure 25 shows the bottom view of the CDC camera series Figure 25 CDC camera bottom view with measurements Figure 26 shows the measurements and sizes of the camera mount holes i...

Page 52: ...M5 tapped CogLink connector 9 pin Micro DB 9 Molex 1 27 mm pitch Ulti Mate p n 83611 9006 Trigger and strobe connector 4 pin locking discrete wire header Molex Sherlock p n 35362 0410 External trigger...

Page 53: ...DC 50 CDC 100 CDC 200 Resolution VGA 640x480 SXGA 1280x1024 SXGA 1280x1024 Frame Rate at full resolution Up to 59 fps Up to 13 fps Up to 26 fps Lens Mount CS mount or C mount with adapter C mount with...

Page 54: ...ows the pin numbering of the trigger strobe connector on the back of CDC series cameras Figure 27 Pin numbering of trigger strobe connector Use Cognex cable 300 0362 to connect trigger and strobe devi...

Page 55: ...lowing trigger properties The polarity of the trigger pulse That is whether the image acquisition occurs on a rising or falling pulse An acquisition delay period after acceptance of the trigger pulse...

Page 56: ...ry adds a small delay period between the acceptance of the trigger pulse and the initiation of the image acquisition in the camera The size of the delay period varies with the trigger input voltage Th...

Page 57: ...iring Options You can wire the optically isolated outputs in one of two ways voltage source output wiring or contact closure output wiring Figure 31 shows an example of the voltage source output wirin...

Page 58: ...using the contact closure output wiring configuration Output is taken directly from Strobe and Strobe This output functions as a contact closure switch Ensure that current 125 mA and voltage 24 V lim...

Page 59: ...connecting cameras and devices 10 electrostatic discharge can damage 10 hot plugging not supported 12 16 must use Cognex cables 12 31 PIO port is not a VGA port 16 19 33 same ground potential with ext...

Page 60: ...32 33 36 37 41 circuit logic 41 42 layout 38 LED numbering 40 signal delay 41 specifications 39 wiring methods 39 F FCC class A 29 flange back distance 52 fuses PolySwitch 28 G gain programmable 52 g...

Page 61: ...14 15 54 300 0364 12 13 31 300 0365 12 13 31 300 0366 12 13 31 300 0367 12 31 800 5712 3 16 19 33 37 Molex 35507 0400 54 Molex 83611 9006 52 PC requirements 9 Pentium 9 pin numbering cable 300 0358 18...

Page 62: ...nal I O module 39 mechanical of MVS 8100D 26 standards electromagnetic compatibility 28 electrostatic sensitivity 28 European community 29 safety 28 strobe 9 12 13 14 15 25 32 48 52 56 57 and rolling...

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