Keithley 7036 Instruction Manual
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Keithley 7036 Instruction Manual

Keithley 7036 Instruction Manual

40-channel single-pole relay switch card
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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
Instruction Manual
Model 7036
40-Channel Single-Pole
Relay Switch Card
Contains Operating and Servicing Information
7036-901-01 Rev. A / 4-97

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  • Page 1 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com Instruction Manual Model 7036 40-Channel Single-Pole Relay Switch Card Contains Operating and Servicing Information 7036-901-01 Rev. A / 4-97...
  • Page 2 WARRANTY Keithley Instruments, Inc. warrants this product to be free from defects in material and workmanship for a period of 1 year from date of shipment. Keithley Instruments, Inc. warrants the following items for 90 days from the date of shipment: probes, cables, rechargeable batteries, diskettes, and documentation.
  • Page 3 Model 7036 40-Channel Single-Pole Relay Switch Card Instruction Manual ©1997, Keithley Instruments, Inc. All rights reserved. Cleveland, Ohio, U.S.A. First Printing, April 1997 Document Number: 7036-901-01 Rev. A...
  • Page 4 Revision of the manual. Each new Revision includes a revised copy of this print history page. Revision A (Document Number 7036-901-01)..................April 1997 All Keithley product names are trademarks or registered trademarks of Keithley Instruments, Inc. Other brand and product names are trademarks or registered trademarks of their respective holders.
  • Page 5 (IEC) Standard IEC 664, digital multimeter measuring circuits The types of product users are: (e.g., Keithley Models 175A, 199, 2000, 2001, 2002, and 2010) measuring circuits are Installation Category II. All other instru- Responsible body is the individual or group responsible for the use ments’...
  • Page 6 Keithley Instru- ments. Standard fuses, with applicable national safety approvals, Chassis connections must only be used as shield connections for may be used if the rating and type are the same.
  • Page 7 7036 S ODEL PECIFICATIONS RELAY SWITCH CONFIGURATION: 40 independent channels of Each Channel 1-pole switching. CONTACT CONFIGURATION: 1 pole Form A. CONNECTOR TYPE: 96-pin male DIN card connector. MAXIMUM SIGNAL LEVEL: 60VDC, 30V rms, 42V peak betwen any two inputs or chassis, 1A switched. 30VA (resistive load).

  • Page 8: Table Of Contents

    Card Connections and Installation Introduction ................................. 3-1 Handling precautions ............................3-1 Multi-pin (mass termination) connections ......................3-2 Typical connection technique ........................3-4 Typical connection scheme ......................... 3-6 Model 7036 installation and removal........................3-7 Switch card installation ..........................3-7 Switch card removal............................ 3-7...
  • Page 9 Operation Introduction ................................. 4-1 Power limits................................. 4-1 Maximum signal levels..........................4-1 Reactive loads.............................. 4-1 Mainframe control of relay card.......................... 4-2 Channel assignments ........................... 4-3 Front panel control ............................4-5 IEEE-488 bus operation ..........................4-6 Measurement considerations ..........................4-7 Path isolation ............................... 4-7 Magnetic fields ............................
  • Page 10 List of Illustrations Relay Switching Basics Figure 2-1 Model 7036 40-channel switch card (simplified schematic) ..............2-1 Card Connections and Installation Figure 3-1 Multi-pin connector card terminal identification ..................3-2 Figure 3-2 Typical cable connection technique ......................3-5 Figure 3-3 Model 7011-KIT-R (cable) assembly ......................
  • Page 11 Table 5-4 Troubleshooting procedure ........................5-12 Replaceable Parts Table 6-1 Relay card for Model 7036, parts list......................6-3 Table 6-2 Mass-terminated connector card for Model 7036, parts list ............... 6-5 Table 6-3 Model 7011-KIT-R 96-pin Female DIN connector kit ................6-7...

  • Page 12: General Information

    Introduction Features This section contains general information about the Model The Model 7036 is a general purpose switch card with 40 7036 40-Channel Single-Pole Relay Switch Card. independent channels for greater programming fl xibility. Some of the key features include: The Model 7036 switch card consists of a multi-pin (mass termination) connector card and a relay card.

  • Page 13: Manual Addenda

    • Model 7036 Instruction Manual Specifications • Model 7011-KIT-R 96-pin Female DIN Connector Kit Model 7036 specifications may be found at the front of this • Additional accessories as ordered manual. These specifications are exclusive of the Model 7001/7002 mainframe specifications...

  • Page 14: Instruction Manual

    Repacking for shipment Should it become necessary to return the Model 7036 for repair, carefully pack the unit in its original packing carton, or the equivalent, and include the following information: •...

  • Page 15: Relay Switching Basics

    Basic switch configuration (SPST) OUT 1 One of 40 Channels A simplified schematic of the Model 7036 switch card is shown in Figure 2-1. The card consists of 40 independent channels. Each channel is made up of a single-pole, single-...

  • Page 16: Card Connections And Installation

    • Multi-pin (mass termination) connections  Covers the basics for connecting external circuitry to the connector card. • Model 7036 installation and removal  Pro- vides the procedures to install and remove the Model 7036 switch card from the Model 7001/7002 main- frame.

  • Page 17: Multi-Pin (Mass Termination) Connections

    Card Connections and Installation If a card becomes contaminated, it should be thoroughly Multi-pin (mass termination) cleaned as explained in Section 5. connections WARNING Since connections to external circuitry are made at the 96-pin male DIN bulkhead connector, there is no need to separate The following connection infor- the connector card from the relay card.
  • Page 18 Card Connections and Installation Table 3-1 Multi-pin connector card terminal designation cross-reference Schemati Connecto Schemati Schematic Connector designato Connector designato designato designato Switch designator Switch designator Switch terminal 1a-32c 1-96 terminal 1a-32c 1-96 terminal 1a-32c 1-96 IN 1 IN 17 IN 33 OUT 1 OUT 17...

  • Page 19: Typical Connection Technique

    Card Connections and Installation CAUTION Keithley has a variety of cable and connector accessories available to accommodate connections from the connector The 7011-MTC-2 cable is not card to test instrumentation and DUTs (devices under test). intended to be used with the In general, these accessories, which are summarized in Model 7036.
  • Page 20 Card Connections and Installation Wire directly to Multi-Pin instrumentation Connector and DUT Card Cable 7011-Kit-R Connector Kit Notes : Figure 3-3 provides an exploded view showing how the connector (with cable) is assembled. Cable Hitachi p/n N2807-P/D-50TAB is a 50-conductor round cable. Two of these cables can be used to supply 100 conductors.

  • Page 21: Typical Connection Scheme

    Card Connections and Installation The other end will mate to the Model 7036 switch card. Con- Typical connection scheme nection details are provided in the Multi-pin (mass termina- This paragraph shows how the Model 7036 could be tion) connections paragraph.

  • Page 22: Model 7036 Installation And Removal

    Model 7036 installation and removal ry is discharged. The following paragraphs explain how to install and remove the Model 7036 switch card from the Model 7001/7002 mainframe. 1. Mate the connector card to the relay card if they are sep- arated.

  • Page 23: Operation

    • Measurement considerations  Reviews a require voltage clamping (for inductive loads) and current number of considerations when using the Model 7036 surge limiting (for capacitive loads) to prevent damage to the to make measurements. relays and to external circuitry.

  • Page 24: Mainframe Control Of Relay Card

    FUSE Mainframe control of relay card OUT 2 IN 2 The following information pertains to the Model 7036 relay B. Diode Clamped (DC Voltages) card. It assumes that you are familiar with the operation of 7036 the Model 7001/7002 mainframe.

  • Page 25: Channel Assignments

    9 10 The left portion of the display is for slot 1 (card 1), and the right portion is for slot 2 (card 2). With two Model 7036 cards installed in the mainframe, the 40 channels of each card will be displayed as shown in Figure 4-3. For the Model 7002, channel status LED grids are used for the ten slots.
  • Page 26 Operation Relay organization of the channel status display for each slot To control the relay card from the mainframe, each relay is shown in Figure 4-5. The relay card contains 40 channels must have a unique channel assignment, which includes the as shown in the illustration.

  • Page 27: Front Panel Control

    Operation Scanning channels Front panel control Channels are scanned by creating a scan list and configurin NOTE the Model 7001/7002 to perform a scan. The scan list is cre- For the Model 7002, you can use the light ated in the same manner as a channel list (see Closing and pen to open and close channels.

  • Page 28: Ieee-488 Bus Operation

    Bus operation is demonstrated using Microsoft QuickBASIC channel count to the number of channels in the scan list, the 4.5, the Keithley KPC-488.2 (or Capital Equipment Corpo- third command defines the scan list, and the fourth command ration) IEEE interface, and the HP-style Universal Language takes the Model 7001/7002 out of the idle state.

  • Page 29: Measurement Considerations

    Operation Measurement considerations Many measurements made with the Model 7036 are subject to various effects that can seriously affect low-level measure- ment accuracy. The following paragraphs discuss these effects and ways to minimize them. PATH Path isolation The path isolation is simply the equivalent impedance between any two test paths in a measurement system.

  • Page 30: Radio Frequency Interference

    RFI can be minimized in several ways. The most obvious method is to keep the equipment and signal leads as far away Figure 4-9 from the RFI source as possible. Shielding the Model 7036 Power line ground loops switch card, signal leads, sources, and measuring instru- ments will often reduce RFI to an acceptable level.

  • Page 31: Keeping Connectors Clean

    LO terminals. However, all instruments in rial. In addition, the Model 7036 card should be used only in the test setup may not be designed in this manner. When in clean, dry environments to avoid contamination.

  • Page 32: Service Information

    WARNING Handling and cleaning precautions The information in this section is Because of the high impedance circuits on the Model 7036, intended only for qualified service per- care should be taken when handling or servicing the card to sonnel. Some of the procedures may...

  • Page 33: Performance Verification

    All verification measurements should be made at an ambient The following paragraphs discuss performance verificatio temperature between 18° and 28° C, and at a relative humid- procedures for the Model 7036, including channel resis- ity of less than 70%. tance, offset current, contact potential, and isolation.

  • Page 34: Channel Resistance Tests

    96-pin female DIN connector and then Referring to Figure 5-1, perform the following steps to verify mate it to the connector on the Model 7036. Shorting con- that each contact of every relay is closing properly and that nections can also be done at the connector.

  • Page 35: Offset Current Tests

    Model 7025 Unterminated Each Channel: 7036 WARNING: WARNING: NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY. NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.

  • Page 36: Contact Potential Tests

    8. Repeat the basic procedure in steps 1 through 7 to test for each channel. The tests simply consist of using a sensitive the rest of the channels of the Model 7036. DVM (Model 182) to measure the contact potential.
  • Page 37 Figure 5-4. Make sure the voltage source is off. high to channel 3). 3. Install the Model 7036 in slot 1 (CARD 1) of the 13. Install the card in slot 1 (CARD 1) of the Model 7001/7002 if it is not already installed.
  • Page 38 Service Information Table 5-2 Channel to channel isolation tests Test no. Isolation test Test equipment location Channels closed Channel 1 to Channel 2 Channels 1 and 2 1!1 and 1!2 Channel 2 to Channel 3 Channels 2 and 3 1!2 and 1!3 Channel 3 to Channel 4 Channels 3 and 4 1!3 and 1!4...

  • Page 39: Common-Mode Isolation Tests

    Service Information 3. Install the Model 7036 in slot 1 (CARD 1) of the Common-mode isolation tests Model 7001/7002 if it is not already installed. These tests check the common-mode isolation (leakage 4. On the Model 6517A, select the ohms function and resistance) between the input (IN) and chassis ground of choose the 2GΩ...

  • Page 40: Special Handling Of Static-Sensitive Devices

    The paragraphs below discuss the basic operating principles mended that they all be treated as static-sensitive. for the Model 7036 and can be used as an aid in troubleshoot- ing the switch card. The schematic drawings of the switch 1. Such devices should be transported and handled only in...

  • Page 41: Id Data Circuits

    Service Information 4. Once all data is received, the mainframe sends a stop ID data circuits command, which is a low-to-high transition of the Upon power-up, card identif cation information from each IDDATA line with the IDCLK line held high card is read by the mainframe.

  • Page 42: Power-On Safeguard

    The power-on safeguard circuit dis- cussed below is actually located on the Table 5-3 summarizes recommended equipment for trouble- digital board in the Model 7001/7002 shooting the Model 7036. mainframe. Table 5-3 Recommended troubleshooting equipment A power-on safeguard circuit, made up of U114 (a D-type...

  • Page 43: Troubleshooting Procedure

    Service Information CAUTION Troubleshooting procedure Observe the following precautions when Table 5-4 summarizes switch card troubleshooting. troubleshooting or repairing the switch card: WARNING Lethal voltages are present within the To avoid contamination, which could Model 7001/7002 mainframe. Some of degrade card performance, always han- the procedures may expose you to haz- dle the card only by the handle and side ardous voltages.

  • Page 44: Replaceable Parts

    Replaceable Parts Introduction Factory service This section contains replacement parts information, sche- If the card is to be returned to Keithley Instruments for repair, matic diagrams, and component layout drawings for the perform the following: Model 7036. 1. Complete the service form at the back of this manual and include it with the card.

  • Page 45: Component Layouts And Schematic Diagrams

    7036-176  Schematic, Mass-Terminated Connector Card lists: for Model 7036. Table 6-3  Parts List, Model 7011-KIT-R 96-pin Female Table 6-1  Parts List, Relay Card for Model 7036. DIN Connector Kit. 7036-100  Component Layout, Relay Card for Model 7036.
  • Page 46 Replaceable Parts Table 6-1 Relay card for Model 7036, parts list Circuit Keithley designation Description part no. 2-56X3/16 PHILLIPS PAN HEAD SCREW (RELAY BOARD 2-56X3/16PPH TO SHIELD) 2-56X5/8 PHILLIPS PAN HEAD FASTENER FA-245-1 2-56X5/8 PHILLIPS PAN HEAD SCREW 2-56X5/8PPH 2-56X5/16 PHILLIPS PAN HEAD SEMS SCREW (CONNEC-...
  • Page 51 Replaceable Parts Table 6-2 Mass-terminated connector card for Model 7036, parts list Circuit Keithley designation Description part no. 2-56X3/16 PHILLIPS PAN HEAD SCREW (FOR SHIELD) 2-56X3/16PPH 2-56X3/8 PHILLIPS PAN HEAD SCREW (FOR BRACKET) 2-56X3/8PPH 2-56X7/16 PHILLIPS PAN HEAD SCREW (FOR SHIELD AND...
  • Page 52 C O N N E C T O R B O A R D D R N APPR. C A B DIM. TOL. UNLESS OTHERWISE SPECIFIED KEITHLEY INSTRUMENTS INC. XX=+.01 ANG.=+1 7 0 3 5 - 1 7 0 DO NOT SCALE THIS DRAWING CLEVELAND, OHIO 44139 XXX=+.005...
  • Page 54 Replaceable Parts Table 6-3 Model 7011-KIT-R 96-pin Female DIN connector kit Circuit Keithley designation Description part no. 96-PIN FEMALE DIN CONNECTOR CS-787-1 BUSHING, STRAIN RELIEF BU-27 CABLE ADAPTER, REAR EXIT (INCLUDES TWO CABLE CC-64 CLAMPS) CONNECTOR HOUSING CS-788...

  • Page 55: Index

    Maximum signal levels, 4-1 Scanning channels, 4-5, 4-6 Factory service, 6-1 Measurement considerations, 4-7 Service information, 5-1 Features, 1-1 Model 7036 installation and removal, Shipping contents, 1-2 Front panel control, 4-5 Specifications, 1-2 Multi-pin (mass termination) Special handling of static-sensitive de-...
  • Page 56 Troubleshooting, 5-11 Troubleshooting access, 5-11 Troubleshooting equipment, 5-11 Troubleshooting procedure, 5-12 Typical connection scheme, 3-6 Typical connection technique, 3-4 Unpacking and inspection, 1-2 Warranty information, 1-1...
  • Page 57 Service Form Model No. Serial No. Date Name and Telephone No. Company List all control settings, describe problem and check boxes that apply to problem. ❏ ❏ ❏ Intermittent Analog output follows display Particular range or function bad; specify ❏ ❏...
  • Page 58 Keithley Instruments, Inc. 28775 Aurora Road Cleveland, Ohio 44139 Printed in the U.S.A.

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