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Keithley ERB-24 User Manual

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ERB-24
User's Guide
A G R E A T E R M E A S U R E O F C O N F I D E N C E

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Summary of Contents for Keithley ERB-24

  • Page 1 ERB-24 User’s Guide A G R E A T E R M E A S U R E O F C O N F I D E N C E...
  • Page 2 Hardware Keithley Instruments, Inc. warrants that, for a period of one (1) year from the date of shipment (3 years for Models 2000, 2001, 2002, 2010 and 2700), the Keithley Hardware product will be free from defects in materials or workmanship. This warranty will be honored provided the defect has not been caused by use of the Keithley Hardware not in accordance with the instructions for the product.
  • Page 3 EXCEPT FOR THE EXPRESS WARRANTIES ABOVE KEITHLEY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ALL IMPLIED WARRANTIES OF MERCHANT- ABILITY AND FITNESS FOR A PARTICULAR PURPOSE. KEITHLEY DISCLAIMS ALL WARRANTIES WITH RESPECT TO THE OTHER HARDWARE AND OTHER SOFTWARE.
  • Page 4 28775 Aurora Road Cleveland, OH 44139 Technical Support: 1-888-KEITHLEY Monday – Friday 8:00 a.m. to 5:00 p.m (EST) Fax: (440) 248-6168 Visit our website at http://www.keithley.com ©1994, Keithley Instruments, Inc. All rights reserved. Cleveland, Ohio, U.S.A. Third Printing, June 2002...
  • Page 5 However, Keithley Instruments assumes no responsibility for the use of such information nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent rights of Keithley Instruments.

  • Page 6: Table Of Contents

    Table of Contents Preface Overview Features ..........1-1 Applications .
  • Page 7 Typical Relay Channel..... .2-2 Figure 3-1. ERB-24 Board Layout ..... .3-2 Figure 4-1.

  • Page 8: Preface

    Chapter 1 briefly describes the features, applications, and accessories supported by the ERB-24. Chapter 2 describes the features of the ERB-24 in more detail and provides a block diagram of the board. Chapter 3 describes how to unpack and set up the ERB-24 board.

  • Page 9: Overview

    Overview The ERB-24 is a 24-channel relay output board. This chapter describes the features and typical applications of the ERB-24 and the accessories provided for the board. Features µ The ERB-24 is compatible with the PIO-12, PIO-24, PIO-96, CPIO-12, µ...

  • Page 10: Applications

    Process control Alarm activation Annunciator lighting Accessories The optional accessories for the ERB-24 board include the following: C-1800 - Cable for connecting an ERB-24 to a PIO-12, PIO-24, µ µ CPIO-12, CPIO-24, DAS-1600 Series, or DAS-1200 Series board. The standard cable is 1.5 feet long. The C-1800 cable is available in different lengths, if required.

  • Page 11: Functional Description

    Functional Description Each of the 24 relays on the ERB-24 board is supported by its own control line. The relay is an electromechanical, dual form C (double-pole, double-throw) module capable of switching loads under program control. The electromechanical relays offer zero-leakage output currents.

  • Page 12: Figure 2-1. Erb-24 Block Diagram

    NO B 115/230 V Power Supply 50/60 Hz Notes: NC = Normally Closed NO = Normally Open C = Common Figure 2-1. ERB-24 Block Diagram +24V NO B NC B NO A NC A RELAY “X” COM B COM A 2.7K...

  • Page 13: Setup

    Setup This chapter describes how to set up your ERB-24 board. If you encounter any problems with the board after setting it up, refer to Chapter 6 for troubleshooting information. Unpacking the Board A discharge of static electricity from your hands can seriously Caution: damage certain electrical components on any circuit board.

  • Page 14: Setting The Ac Line Voltage

    Caution: Be sure to set the AC line voltage for the voltage you are using before connecting the ERB-24 to line power. The default setting is 115 V. The 115/230 AC Line Voltage Selector is a 2-position slide switch located as shown in Figure 3-1.

  • Page 15: Cabling And Wiring

    Cabling and Wiring Once you have set up the ERB-24, you can attach accessories and wire applications to the board. This chapter describes the pin assignments of the connectors on the ERB-24 and how to attach the ERB-24 to digital I/O boards.

  • Page 16: Figure 4-1. Pin Assignments Of The 37-Pin Connector (J14)

    Pin 19 Pin 37 Relay 0 Pin 18 Pin 36 Relay 1 Pin 17 Pin 35 Relay 2 Pin 16 Pin 34 Relay 3 Pin 15 Pin 33 Relay 4 Pin 14 Pin 32 Relay 5 Pin 13 Pin 31 Relay 6 Pin 12 Pin 30...

  • Page 17: Figure 4-2. Pin Assignments Of The 50-Pin Connector (J15)

    Pin 2 Relay 7 Pin 1 Pin 4 Relay 6 Pin 3 Pin 6 Relay 5 Pin 5 Pin 8 Relay 4 Pin 7 Pin 10 Relay 3 Pin 9 Pin 12 Relay 2 Pin 11 Pin 14 Relay 1 Pin 13 Pin 16 Relay 0...

  • Page 18: Attaching To A Pio-12, Pio-24, Μcpio-12, Or Μcpio-24

    Attaching to a PIO-12, PIO-24, µCPIO-12, or µCPIO-24 µ µ To attach the ERB-24 to a PIO-12, PIO-24, CPIO-12, or CPIO-24 digital I/O board, connect a C-1800 cable to the 37-pin connector on the ERB-24 (J14), as shown in Figure 4-3.

  • Page 19: Attaching To The Das-1600 Or Das-1200 Series

    Attaching to the DAS-1600 or DAS-1200 Series To attach the ERB-24 to a DAS-1600 or DAS-1200 Series board, first attach the DAS board end of the PIO cable that comes with the DAS-1600 and DAS-1200 Series boards to the PIO cable connector (J2) on the DAS board.

  • Page 20: Attaching To A Pio-96

    Attaching to a PIO-96 You can attach up to four ERB-24 boards to a PIO-96 digital I/O board. To attach an ERB-24 to a PIO-96, connect the CACC-2000 cable to the 50-pin connector (J15) on the ERB-24 board and to the 50-pin connector on the PIO-96, as shown in Figure 4-5.

  • Page 21: Programming

    Programming This chapter provides an example of how to activate relays on the ERB-24 using a PIO-12 digital I/O board and BASIC as the programming language. PIO-12 Relay Signal Names Table 5-1 lists the PIO-12 signal names and the corresponding ERB-24 relays.

  • Page 22: Basic Example

    BASIC Example The following simple BASIC program activates relays on the ERB-24 used with a PIO-12 board: 10 OUT &H313, &H80 ’Sets all PIO-12 ports to outputs 20 OUT &H310, 1 ’Activates relay 0 (Port A, Bit 0) 30 OUT &H311, 16 ’Activates relay 20 (Port B, Bit 4)

  • Page 23: Troubleshooting

    Troubleshooting If your ERB-24 board is not operating properly, use the information in this chapter to help you isolate the problem. If the problem appears serious enough to require technical support, refer to page 6-2 for information on how to contact an applications engineer.

  • Page 24: Technical Support

    Technical Support Before returning any equipment for repair, call Keithley for technical support at: 1-888-KEITHLEY Monday - Friday, 8:00 A.M. - 5:00 P.M., Eastern Time Troubleshooting...
  • Page 25 An applications engineer will help you diagnose and resolve your problem over the telephone. Please make sure that you have the following information available before you call: Serial # _____________________ ERB-24 Board Revision code _____________________ VAC line voltage _____________________ Type...
  • Page 26 Notes: If you are submitting your equipment for repair under warranty, you must include the invoice number and date of purchase. To enable Keithley Instruments, Inc., to respond as quickly as possible, you must include the RMA number on the outside of the package.

  • Page 27: Specifications

    Specifications Table A-1 lists the specifications for the ERB-24. Table A-1. ERB-24 Specifications Feature Attribute Specification Relays Quantity and type 24 DPDT, dual form C Contact material Gold overlay silver Contact rating 3 A at 28 VDC, resistive 3 A at 120 VAC, resistive 1.6 A at 220 VAC...
  • Page 28 Table A-1. ERB-24 Specifications (cont.) Feature Attribute Specification Physical Dimensions 16-inches long by 4.75-inches wide by 2-inches high (40.6 cm long by 12.1 cm wide by 5.1 cm high) Weight 2.2 lb (1 kg) Screw terminal wire spacing 0.197 inches (5 mm)

  • Page 29: Connector Pin Assignments

    Connector Pin Assignments This appendix contains the pin assignments for the ERB-24 board connectors. 37-Pin Connector Pin assignments for the 37-pin connector, J14, on the ERB-24 are shown in Figure B-1. Pin 19 Pin 37 Relay 0 Pin 18 Pin 36...

  • Page 30: 50-Pin Connector

    50-Pin Connector Pin assignments for the 50-pin connector, J15, on the ERB-24 are shown in Figure B-2. Pin 2 Relay 7 Pin 1 Pin 4 Relay 6 Pin 3 Pin 6 Relay 5 Pin 5 Pin 8 Relay 4 Pin 7...
  • Page 31 Index C-1800 cabling CACC-2000 Numerics connector pin assignments connectors 37-pin connector contacts pin assignments 50-pin connector pin assignments DAS-1200 Series attaching DAS-1600 Series AC line voltage attaching accessories C-1800 CACC-2000 RMT-02 SFC-37 applications energizing a relay Applications Engineering Department example attaching DAS-1200 Series DAS-1600 Series...
  • Page 32 RMA number RMT-02 layout line voltage screw terminals setting the AC line voltage setting up the ERB-24 SFC-37 specifications µ CPIO-12 attaching µ CPIO-24 attaching technical support transistor drivers troubleshooting pin assignments 37-pin connector 50-pin connector...
  • Page 33 Specifications are subject to change without notice. All Keithley trademarks and trade names are the property of Keithley Instruments, Inc. All other trademarks and trade names are the property of their respective companies. Keithley Instruments, Inc. 28775 Aurora Road • Cleveland, Ohio 44139 • 440-248-0400 • Fax: 440-248-6168 1-888-KEITHLEY (534-8453) •...

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