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Chapter 3

Signal Connections

© National Instruments Corporation

3-5

ER-8/16 User Manual

NC position of the relays. Refer to the CR Circuit information in the table in the Contact
Protection Circuit

section of Appendix C, Contact Protection, for more information.

To determine the placement of each arc suppressor, refer to Tables 3-1 and 3-2, which list the

channel and suppressor pad assignments.

V

Inductive

Load

VDC

Flyback Diode

+

-

COM

NO

NC

Relay

Figure 3-1. Contact Protection Using a Flyback Diode for DC Loads

Table 3-1. Arc Suppressor Placement, COM to NO

COM to NO

Channel Number

Transient Voltage Suppressor

Reference Designator

1

N1

2

N2

3

N3

4

N4

5

N5

6

N6

7

N7

8

N8

9

N9

10

N10

11

N11

12

N12

13

N13

14

N14

15

N15

16

N16

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Содержание ER-16

Страница 1: ...nderutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In...

Страница 2: ...ght 1995 1996 National Instruments Corporation All Rights Reserved ER 8 16 User Manual An 8 Channel or 16 Channel SPDT Relay Accessory for Data Acquisition Boards December 1996 Edition Part Number 371...

Страница 3: ...02 757 00 20 Canada Ontario 905 785 0085 Canada Qu bec 514 694 8521 Denmark 45 76 26 00 Finland 09 527 2321 France 01 48 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 Israel 03 5734815 Italy 02 4...

Страница 4: ...amages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS A...

Страница 5: ...or application designer Any use or application of National Instruments products for or involving medical or clinical treatment must be performed by properly trained and qualified medical personnel an...

Страница 6: ...ation 2 4 Connecting the ER 8 16 to Your DAQ Device 2 5 Chapter 3 Signal Connections 3 1 Front Connectors 3 1 Using DIO 24 Devices 3 1 Using DIO 32 Boards 3 2 Power Supply 3 2 Channel Connections 3 3...

Страница 7: ...truments Corporation Appendix A Specifications A 1 Appendix B I O Connectors B 1 Appendix C Contact Protection C 1 Appendix D Takamisawa VE Series Relay Technical Data D 1 Appendix E Customer Communic...

Страница 8: ...ultifunction DAQ Devices 3 10 Figure 4 1 ER 8 16 Block Diagram 4 2 Figure 4 2 ER 8 16 Onboard Equivalent Circuit 4 3 Figure B 1 The DIO 24 Connector B 1 Figure B 2 The DIO 32 Connector B 3 Figure B 3...

Страница 9: ...s organized as follows Chapter 1 Introduction describes the ER 8 16 lists what you need to get started and optional equipment describes software support and explains how to unpack the ER 8 16 Chapter...

Страница 10: ...ments digital I O devices such as the AT DIO 32F NB DIO 24 NB DIO 96 NB DIO 32F PC DIO 24 DAQCard DIO 24 and PC DIO 96 unless otherwise noted DIO 24 device DIO 24 device refers to the National Instrum...

Страница 11: ...D is used in this manual to refer to port D or port 3 as in your NI DAQ manuals Abbreviations acronyms metric prefixes mnemonics symbols and terms are listed in the Glossary National Instruments Docu...

Страница 12: ...vant pieces of the system Consult these guides when you are making your connections Customer Communication National Instruments wants to receive your comments on our products and manuals We are intere...

Страница 13: ...g and control applications The ER 8 16 operates with full functionality with most National Instruments digital I O products It also interfaces with the Lab and MIO boards using the SC 205X Series cabl...

Страница 14: ...s catalog or call the office nearest you Refer to Chapter 3 Signal Connections for additional information on cabling connectors and adapters Software The ER 8 16 requires no additional software beyond...

Страница 15: ...normally open NO contact that connects to the COM contact when the digital line is high The contacts are break before make so that all three contacts are never shorted The ER 8 16 is an accessory to N...

Страница 16: ...9 2 3 4 5 6 11 10 1 Power LED 4 Channel 1 Relay 7 J8 EXT power supply conn 10 J2 26 pin IN conn 2 SW1 power supply switch 5 Screw Terminals 8 J3 26 pin OUT conn 11 J1 DIO 24 and 3 Channel 1 LED 6 Sur...

Страница 17: ...ntact for the channels 1 through 16 6 Surge Protector Pads The M 1 16 pads across NC and COM contacts are for protecting the relay contacts from inductive loads A resistor and capacitor combination ca...

Страница 18: ...do not contain live voltages DO NOT OPERATE DAMAGED EQUIPMENT The safety protection features built into your ER 8 16 can become impaired if it is damaged in any way If necessary return the unit to Na...

Страница 19: ...other contaminants with deionized water and a stiff nonmetallic brush The unit must be completely dry and free from contaminants before returning to service Connecting the ER 8 16 to Your DAQ Device...

Страница 20: ...ing refer to Chapter 3 Signal Connections 4 Switch the 5 V power supply switch SW1 to the correct position either INT or EXT The switch position depends on the number of channels and the type of DAQ d...

Страница 21: ...is test National Instruments is NOT liable for any damages resulting from such connections If the ER 8 16 does not respond to the control signals check your cable connections and try again If the test...

Страница 22: ...onnecting or disconnecting any additional signal DO NOT attempt to connect your ER 8 16 to any connector for which it is not designed Incorrect connection can damage your ER 8 16 or the host computer...

Страница 23: ...OT liable for any damages resulting from such connections You can control a maximum of 32 channels using the DIO 32 connector and two ER 16s Daisy chain one ER 16 to the other ER 16 using the NB7 cabl...

Страница 24: ...u will need an external 5 V power supply Warning Connecting the cable to the wrong connector can damage the ER 8 16 or your DAQ device National Instruments is NOT liable for any damages resulting from...

Страница 25: ...hannels ground or any other point on the printed wire board PWB Channel Isolation All contacts have a working voltage of 250 VAC or 30 VDC This product complies with IEC 1010 for Voltage Installation...

Страница 26: ...determine the placement of each arc suppressor refer to Tables 3 1 and 3 2 which list the channel and suppressor pad assignments V Inductive Load VDC Flyback Diode COM NO NC Relay Figure 3 1 Contact...

Страница 27: ...shows how to connect a transient voltage suppressor for AC and DC inductive loads Relay NC1 COM1 Inductive Load NO1 M1 N1 Arc Suppressor Pads r c r c Figure 3 2 Arc Suppressor Pad Locations for Chann...

Страница 28: ...undled wires fall within the smaller rectangular hole in the top cover 7 Tighten the top cover by fastening the screws to the bottom cover Internal Connectors There are two 26 pin connectors marked IN...

Страница 29: ...through the NB7 cable to the expanded system Warning Connecting the cable to the wrong connector can damage the ER 8 16 or your DAQ device National Instruments is NOT liable for any damages resulting...

Страница 30: ...8 Channel Relay Control NB1 Cable NB1 Cable Port AA Port AB Port AC Port BA Port BB Port BC ER 16 ER 8 DIO 96 Boards ER 16 ER 8 ER 16 ER 8 ER 16 ER 8 OUT IN OUT IN OUT IN OUT IN NB7 Cable NB7 Cable NB...

Страница 31: ...ort B Port C SC 2055 ER 8 ER 8 DAQCard 700 PC LPM 16 ER 8 SC 2053 1200 Series Lab Boards Port A SC 2053 PC AO 2DC ER 8 ER 8 Port B Port A ER 8 or other 8 channel accessories ER 8 or other 8 channel ac...

Страница 32: ...ght SPDT relays controlled by eight digital lines connected to the ER 8 Each of these relays has an NC contact that is connected to the COM contact when the corresponding digital output line is low an...

Страница 33: ...13 CH13 COM 13 NC 13 NO 14 CH14 COM 14 NC 14 NO 15 CH15 COM 15 NC 15 NO 16 CH16 COM 16 NC 16 CH1 RELAY CH2 RELAY CH3 RELAY CH4 RELAY CH5 RELAY CH6 RELAY CH7 RELAY CH8 RELAY 24 Power Lines 24 Power Lin...

Страница 34: ...t connections For additional information on signal connections refer to Chapter 3 Signal Connections Relay Channels Figure 4 2 shows the onboard equivalent circuit for the ER 8 16 When the channel rec...

Страница 35: ...l same phase Switching current 3 A max per channel 40 A max for ER 16 all channels 24 A max for ER 8 all channels Channel on resistance 100 m Contact material Silver nickel alloy Life2 Mechanical 10 0...

Страница 36: ...4 and DIO 32 50 pin male latching type ribbon cable front connectors Internal IN and OUT 26 pin male latching type ribbon cable internal connectors Channel screw terminals 24 for ER 8 16 AWG wire max...

Страница 37: ...O 24 Connector PC7 1 2 NC PC6 3 4 NC PC5 5 6 NC PC4 7 8 NC PC3 9 10 NC PC2 11 12 NC PC1 13 14 NC PC0 15 16 NC PB7 17 18 NC PB6 19 20 NC PB5 21 22 NC PB4 23 24 NC PB3 25 26 GND PB2 27 28 GND PB1 29 30...

Страница 38: ...annels 7 through 0 Each of these pins controls the relay channel A digital high on these pins connects the COM contact of a channel to the NO contact of that channel A digital low on these pins connec...

Страница 39: ...6 PD7 PD2 7 8 PD5 PC5 9 10 PC7 PC3 11 12 PC1 PC2 13 14 PC0 PC6 15 16 PC4 NC 17 18 NC NC 19 20 NC NC 21 22 NC NC 23 24 NC NC 25 26 GND NC 27 28 GND NC 29 30 GND NC 31 32 GND NC 33 34 GND PA4 35 36 PA6...

Страница 40: ...lay channel of the daisy chained ER 8 or ER 16 A digital high on these pins connects the COM contact of a channel to the NO contact of that channel A digital low on these pins connects the COM contact...

Страница 41: ...cription 10 12 14 16 18 20 22 24 PB 7 0 Port B Channels 7 through 0 Each of these pins controls the relay channel A digital high on these pins connects the COM contact of a channel to the NO contact o...

Страница 42: ...digital low on these pins connects the COM contact of a channel to the NC contact of that channel 9 11 13 15 17 19 21 23 PC 7 0 Port C Channels 7 through 0 These signals are for daisy chaining to ano...

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Страница 49: ...y Technical Data This appendix contains a manufacturer data sheet for the relays used on the ER 8 16 Copyright Farnell Electronics Inc 1995 Reprinted with permission of copyright owner All rights rese...

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Страница 55: ...time Corporate Headquarters 512 795 8248 Technical support fax 800 328 2203 512 794 5678 Branch Offices Phone Number Fax Number Australia 03 9879 5166 03 9879 6277 Austria 0662 45 79 90 0 0662 45 79 9...

Страница 56: ...iciently If you are using any National Instruments hardware or software products related to this problem include the configuration forms from their user manuals Include additional pages if necessary N...

Страница 57: ...d Yes or No _________________________________________________________ SC 205X Series Cable Adapter _________________________________________________________ Yes or No PC Plug in Card or DAQCard ______...

Страница 58: ...er 1996 Part Number 371197A 01 Please comment on the completeness clarity and organization of the manual If you find errors in the manual please record the page numbers and describe the errors Thank y...

Страница 59: ...ng current AWG American Wire Gauge C Celsius cm centimeters COM common DAQ data acquisition DC direct current EXT external GND ground Hz hertz in inches INT internal I O input output LED light emittin...

Страница 60: ...sary 2 National Instruments Corporation PD port D pin PWB printed wire board RAM random access memory s seconds SPDT single pole double throw V volts VAC volts alternating current VDC volts direct cur...

Страница 61: ...16 to DAQ devices ER 8 16 front connector figure 2 7 procedural steps 2 5 to 2 6 connectors ER 8 16 front connector figure 2 7 front connectors exceeding maximum ratings warning 3 1 for DIO 24 devices...

Страница 62: ...d 1 1 optional equipment 1 2 software 1 2 unpacking 1 2 F fax technical support E 1 front connectors exceeding maximum ratings warning 3 1 for DIO 24 devices 3 1 to 3 2 for DIO 32 boards 3 2 fuses des...

Страница 63: ...E series relay technical data D 1 theory of operation 4 3 S safety information for ER 8 16 2 4 SC 205X series using with ER 8 16 3 8 screw terminals description table 2 3 parts locator diagram 2 2 set...

Страница 64: ...SW1 power supply switch description table 2 3 parts locator diagram 2 2 T Takamisawa VE series relay technical data D 1 technical support E 1 theory of operation block diagram 4 2 digital interface 4...

Страница 65: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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