Pickering 40-680 User manual

pickeringtest.com
Issue 8.2 May 2023
40-680 User Manual
PXI Solid State Multiplexer Module

Page (II) SOLID STATE MULTIPLEXER MODULE 40-680
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Page (II) REED RELAY MODULE 40-110/115/120/125
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© COPYRIGHT (2023) 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.
ISO 9001
Reg No. FM38792

Page (III)
SOLID STATE MULTIPLEXER MODULE 40-680
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Page (III)
REED RELAY MODULE 40-110/115/120/125
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TECHNICAL SUPPORT
For Technical Support please contact Pickering Interfaces either by phone, the website or via e-mail.
WARRANTY
All products manufactured by Pickering Interfaces are warranted against defective materials and workmanship for a period of
three years, excluding programmable power supplies, from the date of delivery to the original purchaser. Any product found to be
defective within this period will, at the discretion of Pickering Interfaces be repaired or replaced.
Products serviced and repaired outside of the warranty period are warranted for ninety days.
Extended warranty and service are available. Please contact Pickering Interfaces by phone, the website or via e-mail.
ENVIRONMENTAL POLICY
Pickering Interfaces operates under an environmental management system similar to ISO 14001.
Pickering Interfaces strives to full 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.
Worldwide Technical Support and Product Information
pickeringtest.com
Germany
Tel: [phone]
E-mail: [email protected]
Sweden
Tel: [phone]
E-mail: [email protected]
USA
Tel: (West) [phone]
Tel: (East) [phone]
E-mail: [email protected]
Czech Republic
Tel: [phone]
E-mail: [email protected]
France
Tel [phone]
E-mail [email protected]
Pickering Interfaces Headquarters
Stephenson Road Clacton-on-Sea CO15 4NL United Kingdom
Tel: [phone]
E-Mail: [email protected]
China
Tel: [phone]
E-mail: [email protected]

Page (IV) SOLID STATE MULTIPLEXER MODULE 40-680
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Page (IV) REED RELAY MODULE 40-110/115/120/125
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MEANING / DESCRIPTION SYMBOL
PROTECTIVE EARTH (GROUND)
To identify any terminal which is intended for connection to an external conductor for
protection against electric shock in case of a fault, or the terminal of a protective earth
(ground) electrode.
DANGEROUS VOLTAGE
To indicate hazards arising from dangerous voltages.
WARNING / CAUTION
An appropriate safety instruction should be followed or caution to a potential hazard
exists.
Refer to the relevant instructions detailed within the product manual.
HEAVY
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.
!
kg
SAFETY SYMBOLS
PRODUCT SAFETY
The following safety symbols may be used on the product and throughout the product documentation.

Page (V)
SOLID STATE MULTIPLEXER MODULE 40-680
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Copyright Statement ...................................................................II
Technical Support and Warranty................................................III
Product Safety .............................................................................IV
Contents (this page)....................................................................V
Warnings and Cautions ..............................................................VII
Section 1
Technical Specication...............................................................1.1
Section 2
Technical Description .................................................................2.1
Functional Description..........................................................2.1
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
Programming Options For Pickering PXI Modules ............4.1
40-680 Module Architecture..................................................4.2
Sub-unit Cross Reference ....................................................4.3
Programming The 40-680 Module........................................4.19
Section 5
Connector Information................................................................5.1
Section 6
Trouble Shooting .........................................................................6.1
Section 7
Maintenance Information............................................................7.1
Switching System Test Tools ...............................................7.1
Relay Lookup Tables.............................................................7.1
Component Layout ..............................................................7.6
CONTENTS

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Page (VII)
SOLID STATE MULTIPLEXER MODULE 40-680
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Page (VII)
2 AMP 1-POLE UHD MATRIX MODULES 40-575 / 576 / 577 / 578 / 579
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WARNINGS AND CAUTIONS
WARNING - HAZARDOUS ENVIRONMENTS SYMBOL
This product is not specically designed for use in hazardous environments, for example in explosive
atmospheres. If the product is to be used in hazardous environments we recommend that the user
ensures suitable protective measures are taken.
!
WARNING - DANGER OF ELECTRIC SHOCK SYMBOL
This module may contain hazardous voltages. Before removing the module from the rack remove all
supplies and disconnect user I/O signals.
Unused slots in the host chassis are populated with blanking plates to prevent access to user I/O
signals that may be present. Blanking panels are available to order from Pickering in a variety of
slot widths. If the product is not used in this manner for example by using an extender card then
additional care must be taken to avoid contact with exposed signals.
Not to be used in safety critical circuits, refer to the Pickering Interfaces’ terms & conditions of sale.
This module must not be used for the switching of Mains Circuits. For the switching of voltages up
to the module’s full specication, Secondary Circuit power supplies and the Device Under Test must
be fully isolated from the Mains Circuit and the safety earth.
The host chassis must be correctly installed and be connected to mains or factory safety ground,
please refer to your chassis installation manual.
Diagram Showing Separation Between The Mains Circuit and Secondary Circuit / DUT
For the purposes of this document, a Mains Circuit is an installation classied as Overvoltage
Category II up to 300V. Separation between the Secondary Circuit and Mains Circuit is achieved
by a transformer in which the primary windings are separated from the secondary windings by
reinforced insulation, double insulation, or a screen connected to the protective conductor terminal.
CAUTION - HANDLING OF ELECTROSTATIC-SENSITIVE DEVICES SYMBOL
Certain semiconductor devices used in this equipment are liable to damage due to static voltage.
Observe the following precautions when handling these devices in their unterminated state, or
sub-assemblies containing these devices:
1. Persons removing sub-assemblies from equipment using these devices must be earthed by a
wrist strap and a resistor at the point provided on the equipment.
2. Soldering irons used during the repair operations must be low voltage types with earthed tips and
isolated from the mains voltage by a double insulated transformer.
3. Outer clothing worn must be unable to generate static charges.
4. Printed Circuit Boards (PCBs) tted with these devices must be stored and transported in
anti-static bags.
PXI Switching
Module
Device
Under Test
Power
Supply
Power
Supply
Host Chassis
Secondary Circuit
Mains
Circuit
Mains
Circuit
Mains/Factory
Safety Ground

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Page (VIII) 2 AMP 1-POLE UHD MATRIX MODULES 40-575 / 576 / 577 / 578 / 579
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CAUTION - PRODUCT DOCUMENTATION SYMBOL
Suitably qualied & trained users should ensure that the accompanying documentation is fully read
and understood before attempting to install or operate the product.
!
SAFETY INSTRUCTIONS
SAFETY INSTRUCTIONS
All cleaning and servicing requires the equipment to be isolated and disconnected from the power source and user I/O
signals (refer to the Maintenance Section).
• Appropriate manual handling procedures should be followed as dictated by the weight of the individual module or
the combined weight of the modules & chassis.
• Should a fault occur with the module or chassis, immediately isolate and disconnect the incoming power to the
chassis and the user I/O signals.
• Ensure the equipment is installed, operated and maintained by trained and authorised personnel.
• For suitably equipped products in the event of an emergency press the red “emergency stop” button situated on
the front of the unit.

Page 1.1
SOLID STATE MULTIPLEXER MODULE 40-680
pickering SECTION 1 - TECHNICAL SPECIFICATION
SECTION 1 - TECHNICAL SPECIFICATION
pickeringtest.com
PXI Solid State Multiplexer 40-680
ISSUE 7.3 APR 2023
Supported by eBIRST
These test tools simplify fault-finding by quickly testing the
system and graphically identifying the faulty relay.
For more information go to: pickeringtest.com/ebirst
yChoice of Multiplexer Configurations
yUp to 160-Way Multiplexer
yUp to 20-Banks of 8-Way Multiplexer
yFast Operation
yLong Service Life
yFault Protection to Greater Than 40 V
yIdeal for Low Current and Low Voltage Applications
yDrivers Supplied for Windows & Linux,
Plus Support for Real-time Systems
ySupported by PXI or LXI Chassis
ySupported by
eBIRST ™
y3 Year Warranty
Com
1
5
4
2
3
160
40-680 Multiplexer Module
(1-bank, 1 to 160 configuration)
40-680 Multiplexer Module (20-bank, 1 to 8 configuration)
Com
1
5
4
2
3
6
7
8
BANK 1
Com
1
5
4
2
3
6
7
8
BANK 2
Com
1
5
4
2
3
6
7
8
BANK 20
The 40-680 is ideal for applications requiring high speed,
long service life and frequent switch operation. Based on
FET switches the multiplexers have no wear out mechanism
and include fault protection that ensures they are
automatically disconnected when PXI power is not applied.
40-680 Solid State Multiplexer Range:
20-Bank, 8-Channel
10-Bank, 16-Channel
5-Bank, 32-Channel
4-Bank, 40-Channel
2-Bank, 80-Channel
1-Bank, 160-Channel
4-Pole, 40-Channel
2-Pole, 80-Channel
The 40-680 operates with break-before-make action when
a new channel is selected. Multiple channels cannot be
simultaneously selected.
Applications include supporting DMM measurements of
resistance and voltage or data acquisition systems. It is
suitable for low current low voltage applications where
cost, speed, zero contact bounce and the ability to withstand
frequent operation is essential.
Pickering Interfaces is able to offer PXI solid state
switching solutions in a variety of configurations. If you
have a different requirement for solid state switching,
contact your local sales office for a quotation.
Front Panel Connector
This product is based on the obsolete Molex LFH series
connector that has been superseded by a Pickering
commissioned form, fit, function equivalent. The new
connector series is 100% compatible with the Molex
connectors allowing either gender of Pickering connector
to mate with the corresponding Molex part without issue.

Page 1.2 SOLID STATE MULTIPLEXER MODULE 40-680
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SECTION 1 - TECHNICAL SPECIFICATION
Solid State Multiplexer, 40-680
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Specifications
Switching Specification
Switch Type: Solid State
Recommended voltage
switching range: ±15 V* †
Maximum Continuous
Current: 20 mA
Maximum Peak Current: 40 mA
Typical Leakage Current
(off state): 1 nA
Path Resistance: 150 Ω typical,
350 Ω maximum.
Fault Protection: Turns MUX off if the
applied voltage exceeds
±18 V with module power
on. Maximum voltage range
-43 V to +55 V.
Switch Operation Speed: 200 ns, no bounce,
excluding driver.
Useable Bandwidth: 5 MHz
Isolation: 40 dB at 5 MHz
Thermal EMF: <2 µV
* For full voltage rating, signal sources to be switched
must be fully isolated from mains supply and safety earth.
† Differential voltage between channels must not exceed
rated voltage, additional caution should be used when
applying AC voltages as multiple asynchronous supplies
can create high differential voltages between channels.
Power Requirements
+3.3 V +5 V +12 V -12 V
0 60 mA 35 mA 0
Operating/Storage Conditions
Operating Conditions
Operating Temperature:
Humidity:
Altitude:
0 °C to +55 °C
Up to 90 % non-condensing
5000 m
Storage and Transport Conditions
Storage Temperature:
Humidity:
Altitude:
-20 °C to +75 °C
Up to 90 % non-condensing
15000 m
PXI & CompactPCI Compliance
The module is compliant with the PXI Specification
2.2. Local Bus, Trigger Bus and Star Trigger are not
implemented.
Uses a 33 MHz 32-bit backplane interface.
Safety & CE Compliance
All modules are fully CE compliant and meet applicable
EU directives:
Low-voltage safety EN61010-1:2010,
EMC Immunity EN61326-1:2013,
Emissions EN55011:2009+A1:2010.
Mechanical Characteristics
Single slot 3 U PXI (CompactPCI card).
3D models for all versions in a variety of popular file
formats are available on request.
Connectors
PXI bus via 32-bit P1/J1 backplane connector.
Signals via front panel 200-pin female LFH* connector, for
pin outs please refer to the operating manual.
* LFH relates to the obsolete Molex connector series and
is retained for continuity, products will be fitted with a
form, fit, function Pickering equivalent connector that is
intermateable with the original Molex parts.
Relay Type
The 40-680 is fitted with Solid State Switches.
Typical channel on resistance (Ω vertical) versus applied Voltage (horizontal) for 40-680

Page 1.3
SOLID STATE MULTIPLEXER MODULE 40-680
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Solid State Multiplexer, 40-680
pickeringtest.com
Ordering Information
Support Products
eBIRST Switching System Test Tool
This product is supported by the eBIRST test tools which
simplify the identification of failed relays, the required
eBIRST tools are below. For more information go to:
pickeringtest.com/ebirst
Product Test Tool Adaptor
40-680 93-002-001 Not Required
Mating Connectors & Cabling
For connection accessories for the 40-680 range please
refer to the 90-002D 200-pin LFH Connector Accessories
data sheet where a complete list and documentation
can be found for accessories, or refer to the Connection
Solutions catalog.
Product Order Codes - Solid State Multiplexer
Channel
Selection Model Variant Order Code
Single
Single
Single
Single
Single
Single
Single
Single
20-Bank, 8-Channel MUX
10-Bank, 16-Channel MUX
5-Bank, 32-Channel MUX
4-Bank, 40-Channel MUX
2-Bank, 80-Channel MUX
1-Bank, 160-Channel MUX
4-Pole, 40-Channel MUX
2-Pole, 80-Channel MUX
40-680-001
40-680-002
40-680-003
40-680-004
40-680-005
40-680-006
40-680-404
40-680-405
Note: The above modules can only select a single
channel.
Product Customization
Pickering modules are designed and manufactured on our
own flexible manufacturing lines, giving complete product
control and enabling simple customization to meet very
specific requirements.
Customization can include:
• Alternative relay types
• Mixture of relay types
• Alternative number of relays
• Different performance specifications
All customized products are given a unique part number,
fully documented and may be ordered at any time in the
future. Please contact your local sales office to discuss.
Pickering can supply mating 200-pin connectors and
cable assemblies to enable easy integration of the 40-680
series of multiplexer modules

Page 1.4 SOLID STATE MULTIPLEXER MODULE 40-680
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SECTION 1 - TECHNICAL SPECIFICATION
Solid State Multiplexer, 40-680
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Supporting Products & Software
We also offer customized cabling and have a free online Cable Design Tool
that can be used to create custom cable solutions for many applications.
Visit: pickeringtest.com/cdt to start your design.
Mass Interconnect
We recommend the use of a mass interconnect solution when an
Interchangeable Test Adapter (ITA) is required for a PXI or LXI based
test system. Our modules are fully supported by both Virginia Panel and
MacPanel.
Pickering Reed Relays
We are the only switch provider with in-house reed relay manufacturing
capability via our Relay Division. These instrument grade reed relays feature
SoftCenter™ technology, ensuring long service life and repeatable contact
performance. To learn more, please go to: pickeringrelay.com
Chassis Compatibility
This PXI module must be used in a suitable chassis. It is compatible with the following chassis types:
• All chassis conforming to the 3U PXI and 3U Compact PCI (cPCI) specification
• Legacy and Hybrid Peripheral slots in a 3U PXI Express (PXIe) chassis
• Pickering Interfaces LXI or LXI/USB Modular Chassis
Chassis Selection Guide
Standard PXI or hybrid PXIe Chassis from any Vendor:
• Mix our 1000+ PXI switching & simulation modules with
any vendor’s PXI instrumentation
• Embedded or remote Windows PC control
• Real-time Operating System Support
• High data bandwidths, especially with PXI Express
• Integrated module timing and synchronization
Pickering LXI or LXI/USB Modular Chassis—only accept
our 1000+ PXI Switching & Simulation Modules:
• Ethernet or USB control enables remote operation
• Low-cost control from practically any controller
• LXI provides manual control via Web browsers
• Driverless software support
• Power sequencing immunity
• Ethernet provides chassis/controller voltage isolation
• Independence from Windows operating system
Connectivity Solutions
We provide a full range of supporting cable and connector solutions for all our switching products—20 connector families
with 1200+ products. We offer everything from simple mating connectors to complex cables assemblies and terminal blocks.
All assemblies are manufactured by Pickering and are guaranteed to mechanically and electrically mate to our modules.
Connectors & Backshells Multiway Cable Assemblies RF Cable Assemblies Connector Blocks

Page 1.5
SOLID STATE MULTIPLEXER MODULE 40-680
pickering SECTION 1 - TECHNICAL SPECIFICATION
Solid State Multiplexer, 40-680
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Supporting Products & Software
© Copyright (2023) Pickering Interfaces. All Rights Reserved Pickering Interfaces maintains a commitment to continuous product development, consequently we reserve the right to vary from the description given in this data sheet.
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 support is provided for LabVIEW Real Time Operating Systems (Pharlap and Linux-RT). For other RTOS
support contact Pickering. These drivers may be used with a variety of programming environments and applications including:
• Pickering Interfaces Switch Path Manager
• National Instruments products (LabVIEW, LabWindows/CVI, Switch Executive, MAX, TestStand, VeriStand, etc.)
• Microsoft Visual Studio products (Visual Basic, Visual C++)
• Programming Languages C, C++, C#, Python
• Keysight VEE and OpenTAP
• Mathworks Matlab
• Marvin ATEasy
• MTQ Testsolutions Tecap Test & Measurement Suite
Drivers for popular Linux distributions are available, other environments are also supported, please contact Pickering
with specific enquiries. We provide Soft Front Panels (SFPs) for our products for familiarity and manual control, as well as
comprehensive documentation and example programs to help you develop test routines with ease.
To learn more about software drivers and development environments, please go to: pickeringtest.com/software
Signal Routing Software
Our signal routing software, Switch Path Manager, automatically selects and energizes
switch paths through Pickering switching systems. Signal routing is performed by simply
defining test system endpoints to be connected together, greatly accelerating Test System
software development. To learn more, please go to: pickeringtest.com/spm
Diagnostic Relay Test Tools
eBIRST Switching System Test Tools are designed specifically for our PXI,
PCI or LXI products, these tools simplify switching system fault-finding by
quickly testing the system and graphically identifying the faulty relay.
To learn more, please go to: pickeringtest.com/ebirst
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. Although we offer a 3-year warranty
as standard, we also include guaranteed long-term support—with a history of supporting our products for typically 15-20
years. To learn more, please go to: pickeringtest.com/support
Available Product Resources
We have a large library of product resources including success stories, product and support videos, articles and white papers
as well as application specific product brochures to assist when looking for the switching, simulation and connection
solutions you need. We also have handy reference books on Switching Technology and for the PXI and LXI standards.
To view, download or request any of our product resources, please visit: pickeringtest.com/resources

Page 1.6 SOLID STATE MULTIPLEXER MODULE 40-680
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SECTION 1 - TECHNICAL SPECIFICATION
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Page 2.1
SOLID STATE MULTIPLEXER MODULE 40-680
pickering SECTION 2 - TECHNICAL DESCRIPTION
SECTION 2 - TECHNICAL DESCRIPTION
FUNCTIONAL DESCRIPTION
A functional block diagram is provided in Figure 2.1. The Solid State Multiplexer Module is powered by a +5V input
via Compact PCI connector J1. The interface to the user test equipment is via the front panel mounted 200-pin
female LFH connector, J2. The module comprises a PCB populated with 20 Solid State 8 to 1 Multiplexers U15 to
U34. These multiplexers are controlled by the FPGA U1, via Shift Registers U5 to U14, to output the required signal.
The multiplexers are powered via a ±18.5V supply derived from a DC/DC convertor.
200-PIN LFH
CONNECTOR
J2
FPGA
U1
TERMINATING
RESISTORS
R1 TO R12
COMPACT PCI
BUS
CONNECTOR
J1
+5V
0V
SHIFT
REGISTERS
U5 & U6
SOLID STATE
8 - 1
SWITCHING MUX’S
U15, U20, U25 & U30
SHIFT
REGISTERS
U7 & U8
SOLID STATE
8 - 1
SWITCHING MUX’S
U16, U21, U26 & U31
SHIFT
REGISTERS
U9 & U10
SOLID STATE
8 - 1
SWITCHING MUX’S
U17, U22, U27 & U32
SHIFT
REGISTERS
U11 & U12
SOLID STATE
8 - 1
SWITCHING MUX’S
U18, U23, U28 & U33
SHIFT
REGISTERS
U13 & U14
SOLID STATE
8 - 1
SWITCHING MUX’S
U19, U24, U29 & U34
REGULATED
DC/DC
CONVERTER
+5V
±18.5V SUPPLY FOR MULTIPLEXERS
Figure 2.1 - Solid State Multiplexer Module (40-680): Functional Block Diagram

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SECTION 2 - TECHNICAL DESCRIPTION
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Page 3.1
SOLID STATE MULTIPLEXER MODULE 40-680
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Page 3.1
REED RELAY MODULE 40-110/115/120/125
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kg
PREOPERATION CHECKS (UNPACKING)
1. Check the module for transport damage and report any damage immediately to Pickering Interfaces.
Do not attempt to install the product if any damage is evident.
2. Position the chassis relative to any other equipment the module(s) will connect with. Ensure the chassis is not
connected to the electrical supply.
3. Ensure that the designated area for the chassis containing the module is of at and solid construction to
withstand and support the combined weight of the module(s) and chassis.
SECTION 3 - INSTALLATION
!
Refer to the Warnings and Cautions at the front of this manual
Modular products require installation in a suitable PXI/LXI chassis. The module is designed for indoor use only.
Figure 3.1 - Installing the Module into a PXI/cPCI/LXI Chassis
PXI / LXI Chassis

Page 3.2 SOLID STATE MULTIPLEXER MODULE 40-680
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SECTION 3 - INSTALLATION
Page 3.2 REED RELAY MODULE 40-110/115/120/125
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SECTION 3 - INSTALLATION
SOFTWARE INSTALLATION
First install the appropriate Pickering PXI switch card drivers by running the installer program Setup.exe (provided
in a compressed zip le), either from the CD-ROM supplied, or by downloading the latest version from our website
pickeringtest.com - the recommended method. Setup is accompanied by a ReadMe le containing
additional installation information. A single installation covers all cards in the System 40, System 45 and System
50 ranges.
When installation completes, the installed drivers’ ReadMe le is offered for display. It can also be displayed
later using a shortcut on the Programs>>Pickering menu.
If you are not a LabVIEW user you should choose the “full” version, and once that has been installed run
the LabVIEW Runtime Engine installer via the shortcut on the Programs>>Pickering menu. In the absence of
LabVIEW the Runtime Engine is required to support the Pickering Test Panels application.
!
HARDWARE INSTALLATION
ELECTRICAL CONNECTION (CHASSIS)
1. The chassis must be electrically installed in accordance with local regional electrical codes by a qualied
engineer.
2. The chassis must be grounded.
Electrostatic discharge can damage the components on the module. To avoid such damage in handling the
board refer to page VII.
Ensure that there is adequate ventilation.
The module should be installed in accordance with the following procedure:
1. Ensure that the system is turned OFF but still connected to mains so that it remains grounded.
2. Choose an appropriate slot in the rack.
3. Remove the blanking plate for the chosen slot.
4. Ensure that the injector/ejector handle is in its downward position. Align the module with the card guides on
the top and bottom of the slot.
Do not raise the injector/ejector handle whilst inserting the module as the module will not insert properly.
5. Hold the handle whilst slowly sliding the module into the card guides until the handle catches on the injector/
ejector rail (refer to Figure 3.1).
6. Raise the injector/ejector handle until the module rmly seats into the backplane. The front panel of the
module should be ush with the front panel of the chassis.
7. Secure the front panel of the module using both screws to the chassis front panel mounting rails.
8. In a system employing a remote control interface to connect an external controller to a PXI chassis or to link
multiple chassis, power-up the system as follows:
a. For a system comprising an external controller and one chassis, power up the chassis before powering up
the external controller.
b. For a system comprising more than one chassis, turn ON the last chassis in the system followed by the
penultimate, etc, and nally turn ON the external controller or chassis containing the system controller.
9. For Pickering Interfaces modular LXI installation there is no requirement to use any particular power up
sequence.

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SOLID STATE MULTIPLEXER MODULE 40-680
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Page 3.3
REED RELAY MODULE 40-110/115/120/125
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Figure 3.3 - General Soft Front Panel Selector
TESTING OPERATION
After installation of the hardware and Pickering PXI Driver software package start the General Soft Front
Panel (GSFP) using the desktop icon or via the Start menu (Start Menu-> Pickering Interfaces Ltd ->
General Soft Front Panel).
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.
Panels can be opened simultaneously for all the installed cards.
More details how to use the GSFP can be found in the manual, via menu Help\Manual
Figure 3.2 - General Soft Front Panel Icon

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SECTION 3 - INSTALLATION
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