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Pickering 50-412 User Manual

Pci 32 channel digital i/o card with programmable threshold
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50-412 User Manual
PCI 32 Channel Digital I/O Card
with Programmable Threshold
pickeringtest.com
Issue 2.3 May 2021

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  • Page 1 50-412 User Manual PCI 32 Channel Digital I/O Card with Programmable Threshold pickeringtest.com Issue 2.3 May 2021...
  • Page 2 © COPYRIGHT (2021) PICKERING INTERFACES. ALL RIGHTS RESERVED. No part of this publication may be reproduced, transmitted, transcribed, translated or stored in any form, or by any means without the written permission of Pickering Interfaces. Technical details contained within this publication are subject to change without notice.
  • Page 3 Pickering Interfaces strives to fulfil all relevant environmental laws and regulations and reduce wastes and releases to the environment. Pickering Interfaces aims to design and operate products in a way that protects the environment and the health and safety of its employees, customers and the public. Pickering Interfaces endeavours to develop and manufacture products that can be produced, distributed, used and recycled, or disposed of, in a safe and environmentally friendly manner.

  • Page 4: Product Safety

    If this product is heavy reference should be made to the safety instructions for provisions of lifting and moving. STATIC SENSITIVE To indicate that static sensitive devices are present and handling precautions should be followed. REED RELAY MODULE 40-110/115/120/125 32-CHANNEL DIGITAL I/O CARD 50-412 Page (IV) Page (IV)

  • Page 5: Table Of Contents

    Warnings and Cautions ..............VII Section 1 Technical Specification ...............1.1 Section 2 Technical Description ..............2.1 Functional Description ............2.1 Guidance on Using The 50-412 ..........2.2 Section 3 Installation ..................3.1 Pre Operation Checks ............3.1 Hardware Installation ............3.2 Software Installation .............3.2 Testing Operation ..............3.3 Section 4 Programming Guide ..............4.1...
  • Page 6 THIS PAGE INTENTIONALLY BLANK 32-CHANNEL DIGITAL I/O CARD 50-412 Page (VI)

  • Page 7: Warnings And Cautions

    Not to be used in safety critical circuits, refer to the Pickering Interfaces’ terms & conditions of sale. This card must not be used for the switching of Mains Circuits. For the switching of voltages up to the card’s full specification, Secondary Circuit power supplies and the Device Under Test must be...
  • Page 8 • For suitably equipped products in the event of an emergency press the red “emergency stop” button situated on the front of the unit. 32-CHANNEL DIGITAL I/O CARD 50-412 Page (VIII) PCI REED RELAY CARD 50-110 / 115 / 120 / 125...

  • Page 9: Technical Specification

    VISA, IVI & Kernel Drivers Supplied for Windows y 3 Year Warranty The 50-412 is a 32-channel Digital I/O card with high output voltage and current capability and dual variable threshold inputs. The outputs can be used as high side drivers capable of sourcing 0.4 A or low side drivers capable of sinking 0.5 A.
  • Page 10 0.5 A for Low Side drivers, 0.4 A for High Side drivers, PXI & CompactPCI Compliance 8 A module total. The 50-412 card complies with the PCI Specification 2.0 Note: for full load conditions, (issued Feb 2004). adequate cooling is assumed.
  • Page 11 32-Channel Digital I/O Card - Serial Input Acquisition, Programmable Threshold 50-412-001 Product Customization Pickering PCI cards are designed and manufactured on our own flexible manufacturing lines, giving complete product control and enabling simple customization to meet very specific requirements. All customized products are given a unique part number, fully documented and may be ordered at any time in the future.
  • Page 12 To learn more, please go to: pickeringrelay.com Programming Pickering provide kernel, IVI and VISA (NI & Keysight) drivers which are compatible with all Microsoft supported versions of Windows and popular older versions. For a list of all supporting operating systems, please see: pickeringtest.com/os The VISA driver is also compatible with Real-Time Operating Systems such as LabVIEW RT.
  • Page 13 Three Year Warranty & Guaranteed Long-Term Support All standard products manufactured by Pickering Interfaces are warranted against defective materials and workmanship for a period of three years from the date of delivery to the original purchaser. Extended warranty and service agreements are available for all our modules and systems with various levels to suit your requirements.
  • Page 14 SECTION 1 - TECHNICAL SPECIFICATION pickering THIS PAGE INTENTIONALLY BLANK 32-CHANNEL DIGITAL I/O CARD 50-412 Page 1.6...

  • Page 15: Functional Description

    HIGH SIDE & CONTROL SHIFT +3.3V LOW SIDE LOGIC REGISTERS DRIVERS U2 to U9 U18 to U25 U26 to U89 PCI BRIDGE CONFIGURATION MODULE CONFIGURATION Figure 2.1 - Digital I/O Card 50-412: Functional Block Diagram 32-CHANNEL DIGITAL I/O CARD 50-412 Page 2.1...

  • Page 16: Guidance On Using The 50-412

    This discharge can be through the diode inside the 50-412 (D1, Figure 2.2) - this will not damage the 50-412. However, the discharge may cause a ground spike that may result in EMC emission.
  • Page 17 It is recommended that the user fits a flywheel diode (D2, Figure 2.3) to discharge the inductive energy. If a flywheel diode is not fitted, the 50-412 will clamp the output at a voltage between 60V and 80V relative to the front panel ground, the voltage being dependent upon the breakdown voltage of D1, Figure 2.3.
  • Page 18 It should be noted that if the output is set tri-state (both drivers off) the input impedance to the input channel will drag the output voltage to a low state in the absence of any external source of voltage or current. 32-CHANNEL DIGITAL I/O CARD 50-412 Page 2.4...

  • Page 19: Installation

    Modular products require installation in a suitable chassis. The card is designed for indoor use only. PREOPERATION CHECKS (UNPACKING) 1. Check the card for transport damage and report any damage immediately to Pickering Interfaces. Do not attempt to install the product if any damage is evident.

  • Page 20: Hardware Installation

    8. Power-up the host system. SOFTWARE INSTALLATION First install the appropriate Pickering PCI switch card drivers by running the installer program Setup.exe (provided in a compressed zip file), either from the CD-ROM supplied, or by downloading the latest version from our website pickeringtest.com...

  • Page 21: Testing Operation

    Figure 3.2 - General Soft Front Panel Icon A selector panel will appear, listing all installed Pickering PCI, PXI or LXI switch cards and resistor cards. Click on the card you wish to control, and a graphical control panel is presented allowing operation of the card.
  • Page 22 SECTION 3 - INSTALLATION pickering THIS PAGE INTENTIONALLY BLANK 32-CHANNEL DIGITAL I/O CARD 50-412 Page 3.4...

  • Page 23: Programming Guide

    SECTION 4 - PROGRAMMING PROGRAMMING OPTIONS FOR PICKERING INTERFACES PCI CARDS For information on the installation and use of drivers and the programming of Pickering’s products in various software environments, please refer to the Software User Manual. This is available as a download from: https://www.pickeringtest.com/support/software-drivers-and-downloads...
  • Page 24 Channel Selector) to select the specific channel. Then use Input sub-unit 1 to read the returned 2 bit value. An example can be found under the next section “Using the Direct Driver or VISA Driver to control the 50-412”. Output Sub-Units...
  • Page 25 Applicable Functions pipx40_readInputPattern PIL_ReadSub NOTE: each input channel from 1 to 32 is sampled sequentially. The precise rate of sampling is undefined. Note: The highlighted functions in the above tables are of special interest. 32-CHANNEL DIGITAL I/O CARD 50-412 Page 4.3...
  • Page 26 Using the Direct I/O Driver or VISA Driver to control the 50-412 This section provides some code fragments which show how to control the 50-412 using either the Direct I/O Driver or the VISA Driver. Once the drivers are installed the manual “Sys40Prg.pdf” and driver help files which fully describes these functions can be found in the Pickering folder(s) or the Pickering entries on your Start Menu.
  • Page 27 These are controlled in the same way as threshold 1 but set the sub unit to 4. Reading a single Input Level (see above for setting the comparison threshold levels) Using the Pickering Direct I/O driver: DWORD InputSubUnit, OutputSubUnit; OutputSubUnit = 5;...

  • Page 28: Input Threshold Voltage Bit Patterns

    010011001100 0.05 000000000100 011001100110 000000001000 100000000000 000000010000 100110011001 000000100000 101100110011 0.79 000001000000 110011001100 1.57 000010000000 111001100110 3.13 000100000000 6.26 001000000000 12.5 010000000000 100000000000 111111111111 † The bit pattern in Testpanels will appear reversed 32-CHANNEL DIGITAL I/O CARD 50-412 Page 4.6...
  • Page 29 Input 19 Input 20 Input 21 Input 22 Input 23 Input 24 Input 25 Input 26 Input 27 Input 28 Input 29 Input 30 Input 31 Input 32 FP_GND FP_GND FP_GND FP_GND FP_GND FP_GND 32-CHANNEL DIGITAL I/O CARD 50-412 Page 5.1...
  • Page 30 Figure 5.2 - Examples of driving a load using the High-Side driver Note: The power supply must be referenced to ground either by a separate ground connection or by connection to FP_GND which is internally connected the PXI chassis ground. 32-CHANNEL DIGITAL I/O CARD 50-412 Page 5.2...
  • Page 31 Figure 5.3 - Example of driving a load using the Low-Side driver Notes: 1. The Power Supply must be referenced to FP_GND for correct operation. 2. Vext can be connected to the supply positive for a mixture of Low-Side and High-Side drivers. 32-CHANNEL DIGITAL I/O CARD 50-412 Page 5.3...
  • Page 32 SECTION 5 - CONNECTOR INFORMATION pickering THIS PAGE INTENTIONALLY BLANK 32-CHANNEL DIGITAL I/O CARD 50-412 Page 5.4...

  • Page 33: Trouble Shooting

    PCI configuration, highlighting any potential configuration problems. Specific details of all installed Pickering switch cards are included. All the installed Pickering switch cards should be listed in the “Pilpxi information” section - if one or more cards is missing it may be possible to determine the reason by referring to the PCI configuration dump contained in the report, but interpretation of this information is far from straightforward, and the best course is to contact Pickering support: support@pickeringtest.com, if possible...
  • Page 34 SECTION 6 - TROUBLE SHOOTING pickering THIS PAGE INTENTIONALLY BLANK 32-CHANNEL DIGITAL I/O CARD 50-412 Page 6.2...

  • Page 35: Maintenance Information

    PCB. The tables can be used in the fault finding process and should be used in conjunction with the corresponding PCB layout diagrams to identify the position of faulty relays. PCI REED RELAY CARD 50-110 / 115 / 120 / 125 32-CHANNEL DIGITAL I/O CARD 50-412 Page 7.1 Page 7.1...

  • Page 36: Verification Procedure

    50-412 is working correctly. It tests that the output drives are operating and that the digital inputs can read back their status.
  • Page 37 Voltage 1 are low and all from Threshold Voltage 2 are high. Set Threshold Voltage 1 and 2 to 10.5. Check all responses are high. Figure 7.2 - Using Soft Front Panel To Set a Threshold of 0.5V (101000 in Binary) 32-CHANNEL DIGITAL I/O CARD 50-412 Page 7.3...
  • Page 38 Turn Channel 1 lows side driver on, check that both thresholds respond low. Turn driver off. Repeat for Channel 2 to 32 low side driver. Pass/fail results can be recorded in the table on the following page. 32-CHANNEL DIGITAL I/O CARD 50-412 Page 7.4...

  • Page 39: Verification Test Results

    OUTPUT TESTS Test Name Result (delete as appropriate) Drivers off test Pass / Fail Channel 1 to 32 High Side Test Pass / Fail Channel 1 to 32 Low side Test Pass / Fail 32-CHANNEL DIGITAL I/O CARD 50-412 Page 7.5...

  • Page 40: Input/Output Look-Up Tables

    Output 24 Input 25 Output 25 Input 26 Output 26 Input 27 Output 27 Input 28 Output 28 Input 29 Output 29 Input 30 Output 30 Input 31 Output 31 Input 32 Output 32 32-CHANNEL DIGITAL I/O CARD 50-412 Page 7.6...

  • Page 41: Component Layout

    SECTION 7 - MAINTENANCE INFORMATION pickering Figure 7.4 - 50-412-001 Component Layout 32-CHANNEL DIGITAL I/O CARD 50-412 Page 7.7...
  • Page 42 SECTION 7 - MAINTENANCE INFORMATION pickering THIS PAGE INTENTIONALLY BLANK 32-CHANNEL DIGITAL I/O CARD 50-412 Page 7.8...

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