Related Manuals for Acces PCI-DA12-2
Summary of Contents for Acces PCI-DA12-2
- Page 1 • • 10623 Roselle Street, San Diego, CA 92121 (858) 550-9559 FAX (858) 550-7322 • contactus@accesio.com www.accesio.com MODEL PCI-DA12-2/4/6 USER MANUAL FILE: MPCI-DA12-6.C3...
- Page 2 ACCES, nor the rights of others. IBM PC, PC/XT, and PC/AT are registered trademarks of the International Business Machines Corporation. Printed in USA. Copyright 2000, 2005 by ACCES I/O Products Inc, 10623 Roselle Street, San Diego, CA 92121. All rights reserved. WARNING!! ALWAYS CONNECT AND DISCONNECT YOUR FIELD CABLING WITH THE COMPUTER POWER OFF.
- Page 3 Prior to shipment, ACCES equipment is thoroughly inspected and tested to applicable specifications. However, should equipment failure occur, ACCES assures its customers that prompt service and support will be available. All equipment originally manufactured by ACCES which is found to be defective will be repaired or replaced subject to the following considerations.
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Page 4: Table Of Contents
Table 5-3: Digital I/O Control Byte Values ............. 17 Table 5-4: DAC Data Format ................. 17 Chapter 6: Software ....................18 Chapter 7: Calibration ....................19 Chapter 8: Connector Pin Assignments ..............21 Table 8-1: P2 Connector Pin Assignments ............21 Manual PCI-DA12-2/4/6... -
Page 5: Chapter 1: Introduction
64mA. Pull-ups on the card assure that there are no erroneous outputs at power up. The lines initialize in the input mode, the buffers are configured by hardware logic for input or output according to direction assignment from a control register in the PPI. Manual PCI-DA12-2/4/6... -
Page 6: Specifications
2.0 VDC min., source 32 mA • Logic Low: 0.55 VDC max., sink 64 mA Inputs • 2.0 to 5.0 VDC, Input Load: +20 μA Logic High: • -0.5 to +0.8 VDC, Input Load: -20 μA Logic Low: Manual PCI-DA12-2/4/6... - Page 7 0 to 500 mA, fused (resetting) • Size: 6" long (152 mm) • Power Required: +5 VDC at 250 mA typical with all digital outputs at high impedance +12 VDC at 116 mA maximum (6 channels) -12 VDC at 56 mA maximum Manual PCI-DA12-2/4/6...
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Page 8: Figure 1-1: Block Diagram
Figure 1-1: Block Diagram Manual PCI-DA12-2/4/6... -
Page 9: Chapter 2: Installation
Caution! * ESD A single static discharge can damage your card and cause premature failure! Please follow all reasonable precautions to prevent a static discharge such as grounding yourself by touching any grounded surface prior to touching the card. Manual PCI-DA12-2/4/6... -
Page 10: Hardware Installation
BIOS calls used to determine the address and IRQ assigned to installed PCI devices. In Windows, the Windows sample programs demonstrate querying the registry entries (created by PCIFind and NTIOPCI.SYS during boot-up) to determine this same information. Manual PCI-DA12-2/4/6... -
Page 11: Chapter 3: Option Selection
DAC and then initiating a simultaneous update by software command. Refer to Chapter 5, Programming of this manual for more detail. Manual PCI-DA12-2/4/6... -
Page 12: Figure 3-1: Option Selection Map
OUT 5 OUT 4 OUT 3 OUT 2 OUT 1 OUT 0 Figure 3-1: Option Selection Map Manual PCI-DA12-2/4/6... -
Page 13: Figure 3-2: Field Wiring
Analog Current Output Load Excitation Voltage 8-36 V maximum* (Observe Polarity) Ground Figure 3-2: Field Wiring Caution! Do not connect current loops in a DAC that is set to voltage mode. The loop supply can destroy the DAC. Manual PCI-DA12-2/4/6... -
Page 14: Chapter 4: Address Selection
The Device ID for the 2 is 6C90h. The Device ID for the 4 is 6C98h. The Device ID for the 6 is 6CA0h. The control / DAC / I/O base address is BaseAddresses[2] in the PCI_COMMON_CONFIG structure, while the calibration base address is BaseAddresses[3]. Manual PCI-DA12-2/4/6... -
Page 15: Chapter 5: Programming
External Interrupt is a negative edge at pin 25 and is latched until cleared by a read of Base Address+4. The interrupt is enabled by a read of Base Address+3 and powers up disabled. After being cleared the interrupt must be re-enabled. Manual PCI-DA12-2/4/6... -
Page 16: Table 5-1: Register Map
Digital I/O Port A, Input Base + 21 Digital I/O Port B, Output Digital I/O Port B, Input Base + 22 Base + 23 Digital I/O Control Byte Table 5-2: I/O Address Map for the Digital I/O All addresses are in hex. Manual PCI-DA12-2/4/6... -
Page 17: Table 5-3: Digital I/O Control Byte Values
D7 low must be sent to Base Address+23. Note All data bits except D7 must be the same for the two control bytes. Those buffers will now remain enabled until another control byte with data bit D7 high is sent to Base Address+23. Manual PCI-DA12-2/4/6... -
Page 18: Chapter 6: Software
(AO 0). outport (BASE + 0, N) For simplicity, it was assumed that the simultaneous-update capability was not used. Examples of this routine are found on the sample disk along with examples in other languages. Manual PCI-DA12-2/4/6... -
Page 19: Chapter 7: Calibration
DAC 5 Base + A0h DAC 0 DAC 0 -10 V to 10 V. Base + AAh DAC 5 DAC 5 Base + C0h DAC 0 DAC 0 4 to 20 mA. Base + CAh DAC 5 DAC 5 Manual PCI-DA12-2/4/6... - Page 20 Note that the analog reference voltage (available on the connector at pin 29) is 5.1V. This is 2% higher than the typical value of 5V to allow room for calibration. If the software calibration feature isn’t needed, the user can apply 5V at pin 28 to be used as the DAC reference. Manual PCI-DA12-2/4/6...
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Page 21: Chapter 8: Connector Pin Assignments
Digital I/O Port A - Bit 3 Analog DAC 1 Output Digital I/O Port A - Bit 2 Ground Digital I/O Port A - Bit 1 Analog DAC 0 Output Digital I/O Port A - Bit 0 Ground Table 8-1: P2 Connector Pin Assignments Manual PCI-DA12-2/4/6... - Page 22 If you experience any problems with this manual or just want to give us some feedback, please email us at: manuals@accesio.com. Please detail any errors you find and include your mailing address so that we can send you any manual updates. 10623 Roselle Street, San Diego CA 92121 Tel. (858)550-9559 FAX (858)550-7322 www.accesio.com Manual PCI-DA12-2/4/6...
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