Channel Analogue Output Board AOP-8 Document Part Document Refere

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AOP-8
Channel Analogue Output Board
AOP-8 Document Part Document Reference Document Issue Level Manual covers PCBs identified 0127-1011 0127-1011.Doc AOP-8 Rev.
rights reserved. part this publication reproduced, stored retrieval system, transmitted, form means, electronic, mechanical, photocopied, recorded otherwise, without prior permission, writing, from publisher. permission contact Blue Chip Technology. Information offered this manual correct time printing. Blue Chip Technology accepts responsibility inaccuracies. This information subject change without notice. trademarks registered names acknowledged.
Blue Chip Technology Ltd., Chowley Oak, Tattenhall Chester, Cheshire 9EX. Telephone 01829 772000 Facsimile 01829 772001.
Amendment History
Issue Level
Issue Date 08.05.89 12.09.97
Author
Amendment Details First draft Update window front cover logo. 98/084
Contents
OUTLINE DESCRIPTION SPECIFICATIONS Electrical Specification Physical Specification Electromagnetic Compatibility (EMC). USER ADJUSTMENTS Selecting Base Address. Port ELECTRICAL OPTIONS Output Connections. Connector Details. OPERATING GUIDE. Using Device. Programming Guide User Options COMMERCIAL DATA ACQUISITION PACKAGES AOP-8 Board with ASYST APPENDIX APPENDIX MAPS. PC/XT/AT Address PC/XT Interrupt PC/AT Interrupt
Blue Chip Technology Ltd.
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Outline Description
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OUTLINE DESCRIPTION
This card provides analogue outputs range 0-10V, 10mA channel.
Blue Chip Technology Ltd.
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Specifications
SPECIFICATIONS Electrical Specification
Number Outputs Output Voltage Load Current 10.24V D.C. 10mA D.C.
Physical Specification
Height Width Depth 107mm 15mm 132mm
Electromagnetic Compatibility (EMC)
This product meets requirements European Directive (89/336/EEC) eligible bear mark. been assessed operating Blue Chip Technology Icon industrial However, because board installed variety computers, certain conditions have applied ensure that compatibility maintained. meets requirements industrial environment (Class product) subject those conditions. board must installed computer system which provides screening suitable industrial environment. recommendations made computer system manufacturer/supplier must complied with regarding earthing installation boards. board must installed with backplate securely screwed chassis computer ensure good metal-to-metal (i.e. earth) contact.
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Specifications
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Most problems caused external cabling board. Analogue boards fitted with ribbon cable connectors metal mounting bracket require particularly careful installation external cabling. imperative that external cabling board totally screened, that screen cable connects metal bracket board hence earth. cabling must totally screened; type ribbon cable which rolled round form with braided wire screen best. Standard ribbon cable will adequate unless contained wholly within cabinetry housing industrial Keep unscreened section short possible. mounting bracket board includes captive screen earth point. Connect screen cable this shortest possible wire. difficulty with interference experienced cable should also fitted with ferrite clamp close possible connector. preferred type Chomerics clip-on style, type H8FE-1004-AS. recommended that cables kept short possible, particularly when dealing with level signals. Ensure that screen external cable bonded good earth remote cable. Failure observe these recommendations invalidate compliance.
Warning This Class product. domestic environment this product cause radio interference which case user required take adequate measures.
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Specifications
Specification
Blue Chip Technology Icon industrial fitted with this card meets following specification: Emissions 55022:1995 Radiated Class Conducted Class 50082-1:1992 incorporating: Electrostatic Discharge 801-2:1984 Performance Criteria Radio Frequency Susceptibility 801-3:1984 Performance Criteria Fast Burst Transients 801-4:1988 Performance Criteria
Immunity
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User Adjustments
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USER ADJUSTMENTS Selecting Base Address
board located slot motherboard must appear specified position `address') port map. Available positions shown IBM-PC Technical Reference Guide. However, those possess copy this document good place location normally allocated prototyping card supplied IBM. This address decimal. Blue Chip Technology cards preset this address factory. However, devices should used while same address since contention will occur neither board will work. your machine contains card with conflicting address then another reasonably safe address (Hex). links provided board base address board within IBM-PC port map. address binary with presence link representing absence link representing base address Decimal (300 Hex) following pattern links indicated:
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User Adjustments
Figure Selecting Base Address Note: View board with back panel RHS. Middle Bits port address links.
More example addresses shown Appendix Note: cards must occupy same address.
Port
card eight analogue output channels. These arranged eight pairs ports. port holds bits other high bits desired output value. This shown below:
Address Base Base Base Base Base Base Base Base Base Base Base Base Base Base Base Base Write Channel bits Channel high bits Channel bits Channel high bits Channel bits Channel high bits Channel bits Channel high bits Channel bits Channel high bits Channel bits Channel high bits Channel bits Channel high bits Channel bits Channel high bits Read UPDATE
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User Adjustments
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AOP-2, AOP-4 AOP-6 channels begin e.g. AOP-2 uses Base Base other channels unpopulated. ADDRESS XX0H (W/O) CHANNELS DATA (BITS 7-0) ADDRESS XX1H (W/O) CHANNELS DATA (BITS 11-8)
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Electrical Options
ELECTRICAL OPTIONS Output Connections
insulation displacement connector (IDC) provided rear panel board output signal connection. access individual channels required, ribbon cable used connect outputs screw terminal block available from Blue Chip Technology part number ST-24. functions pins shown Section 3.2. When connector viewed from back system, numbered pins left even numbered pins right with connector. Detail
View with gold edge connectors downwards.
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Electrical Options
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Connector Details
Function Channel Channel Channel Channel Channel Channel Channel Channel Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Function Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground Analogue Ground
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Operating Guide
OPERATING GUIDE Using Device
normal method setting output Load data writing byte port. Load data writing high NIBL port. Strobe data output reading UPDATE port.
digital analogue converters used this board contain buffer data initially written into this buffer without changing output voltage. output voltages altered until UPDATE command performed which transfers data from buffers their respective output register without altering data buffers. Thus single channels updated using UPDATE command immediately after loading data channel, several output signals changed simultaneously first loading data into relevant buffers then issuing UPDATE command. procedure single output illustrated software example.
Programming Guide
output signals shown following example using Microsoft BASIC BASIC:
INPUT BITS Enter voltage required:V V*400 INT(BITS/256) (BITS-256xTOP) &H300,BOT &H301, (&H30F)
bottom byte NIBL
This example assumes standard board 2.5mV/bit 0-10.24V output sets only channel controlled statements lines
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Operating Guide
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User Options Grounding
analogue ground outputs linked digital ground using link option (LKB). When link fitted grounds connected. Conversely with link removed grounds allowed float different voltages 0.6V under clamping action diodes
Calibration
reference generated channels from diode IC5. This voltage trimmed using completely re-scaled changing Individual channels trimmed trimpots follows:
Channel Trimpot Ref.
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Commercial Data Acquisition Packages
COMMERCIAL DATA ACQUISITION PACKAGES
Blue Chip Technology DOP-24 used with almost data acquisition control package that write information directly output port.
AOP-8 Board with ASYST
board been tested with installable IO.PORT digital device ASYST scientific software package Macmillan Software Company. more details about this package other data acquisition software, please contact Blue Chip Technology. Whilst every effort been taken ensure that information provided accurate, Blue Chip Technology cannot assume responsibility errors this manual their consequences. Should errors detected, company would greatly appreciate being informed them. policy continuos product development operated, resulting contents this document being subject change without notice.
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Appendix
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APPENDIX
Note view board with back panel RHS. Address Settings Port 300H
Address Settings Port 200H
Address Settings Port 210H
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Appendix
Address Settings Port 220H
Address Settings Port 230H
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Appendix
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APPENDIX MAPS PC/XT/AT Address
Address 000-01F 020-03F 040-05F 060-06F 070-07F 080-09F 0A0-0BF 0F8-0FF 1F0-1F8 200-207 278-27F 2F8-2FF 300-31F 360-36F 378-37F 380-38F 3A0-3AF 3B0-3BF 3C0-3CF 3D0-3DF 3F0-3F7 3F8-3FF Allocated Controller (8237A-5) Interrupt Controller (8259A) Timer (8254) Keyboard Controller (8742) Control Port CMOS RAM, Mask (Write) Page Register (Memory Mapper) Interrupt Controller (8259) Clear (80287) Busy Reset (80287) Numeric Processor Extension (80287) Hard Disk Drive Controller Reserved Reserved Parallel Printer Port Reserved Serial Port Reserved Reserved Parallel Printer Port Reserved SDLC Communications, Bisync Reserved Bisync Reserved Reserved Display Controller Diskette Drive Controller Serial Port
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Appendix
PC/XT Interrupt
Number Allocated Parity Timer Keyboard Reserved Asynchronous Communications (Secondary) SDLC Communications Asynchronous Communications (Primary) SDLC Communications Fixed Disk Diskette Parallel Printer
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Appendix
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PC/AT Interrupt
Level CTLR CTLR Allocated Parity Channel Check (Interrupt Controllers) Timer Output Keyboard (Output Buffer Full) Interrupt from CTLR Real-time Clock Interrupt Redirected (IRQ Reserved Reserved Reserved Co-processor Fixed Disk Controller Reserved Serial Port Serial Port Parallel Port Diskette Controller Parallel Port
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Typical Methods Interfacing from card other Circuitry
P1/1
LM35
TEMP' SENSOR
HEATER
Analogue Output card used voltage reference closed loop temperature monitoring circuit
FCLK
P1/1
Voltage frequency
Analogue Output into voltage frequency converter

Channel Analogue Output Board AOP-8 Document Part Document Refere

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