
SERIES PMC230 PCI MEZZANINE CARD 16-BIT HIGH-DENSITY ANALOG OUTPUT MODULE
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The information contained in this manual is subject to change
without notice. Acromag, Inc. makes no warranty of any kind with
regard to this material, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose.
Further, Acromag, Inc. assumes no responsibility for any errors that
may appear in this manual and makes no commitment to update, or
keep current, the information contained in this manual. No part of
this manual may be copied or reproduced in any form, without the
prior written consent of Acromag, Inc.
Table of Contents Page
1.0 GENERAL INFORMATION............................................... 2
KEY PMC230 FEATURES………..................................... 2
PCI MEZZANINE CARD INTERFACE FEATURES......... 3
SIGNAL INTERFACE PRODUCTS.................................. 3
PMC MODULE ActiveX CONTROL SOFTWARE............ 3
PMC MODULE VxWORKS SOFTWARE……….............. 3
2.0 PREPARATION FOR USE................................................ 3
UNPACKING AND INSPECTION..................................... 3
CARD CAGE CONSIDERATIONS................................... 3
BOARD CONFIGURATION.............................................. 4
Default Hardware Jumper Configuration....................... 4
Analog Output Ranges & Corresponding Digital Codes 4
Analog Output Range Hardware Jumper Configuration 4
Software Configuration.................................................. 4
CONNECTORS................................................................. 4
Front Panel Field I/O Connector P1............................... 4
Analog Outputs: Noise and Grounding Considerations.. 5
External Trigger Input/Output......................................... 5
PCI Local Bus Connector ........................………........... 5
3.0 PROGRAMMING INFORMATION.................................... 6
PCI Configuration Address Space….............................. 6
Configuration Registers.................................................. 6
MEMORY MAP..…………................................................ 6
Control Register..………................................................ 7
Calibration Coefficient Access Register......................... 7
Calibration Coefficient Status Register......…................. 8
Start Convert Register……............................................. 8
DAC Channel Registers……......................................... 9
DAC MODES OF CONVERSION..................................... 9
Single Convert From DAC Register............................... 9
Convert On External Trigger Only……..................…..... 9
PROGRAMMING CONSIDERATIONS............................ 9
Single Conversion From DAC Register Example........... 9
USE OF CALIBRATION DATA........................................ 9
Uncalibrated Performance……………........................... 9
Calibrated Performance…….………............................. 9
Calibration Programming Example................................. 10
4.0 THEORY OF OPERATION............................................... 11
FIELD ANALOG OUTPUTS.............................................. 11
PMC230 CONTROL LOGIC………………………………. 11
DATA TRANSFER FROM FPGA To INDIVIDUAL DACs 11
EXTERNAL TRIGGER...................................................... 11
CALIBRATION MEMORY CONTROL LOGIC.................. 11
PCI INTERFACE LOGIC……........................................... 11
PMC MODULE SOFTW ARE……..................................... 12
5.0 SERVICE AND REPAIR.................................................... 12
SERVICE AND REPAIR ASSISTANCE........................... 12
PRELIMINARY SERVICE PROCEDURE......................... 12
6.0 SPECIFICATIONS............................................................. 12
PHYSICAL……………………............................................ 12
ENVIRONMETAL…………………………………………… 13
ANALOG OUTPUTS……………………............................ 13
EXTERNAL TRIGGER INPUT/OUTPUT………………… 14
PCI LOCAL BUS INTERFACE.......................………….... 14
APPENDIX......................................................................... 14
CABLE, SCSI-2 to Flat Ribbon (Shielded):
MODEL 5028-187………...................................................
14
TERMINATION PANEL: MODEL 5025-552..................... 14
DRAWINGS Page
4501-859 PMC MECHANICAL ASSEMBLY..............…... 15
4501-863 PMC230 JUMPER LOCATION........................ 16
4501-864 ANALOG OUTPUT CONNECTIONS.............. 17
4501-865 PMC230 BLOCK DIAGRAM.............…………. 18
4501-758 CABLE, SCSI-2 to Flat Ribbon (Shielded)
5028-187……………………..............................
19
4501-464 TERMINATION PANEL 5025-552................... 20
IMPORTANT SAFETY CONSIDERATIONS
It is very important for the user to consider the possible adverse
effects of power, wiring, component, sensor, or software failures in
designing any type of control or monitoring system. This is
especially important where economic property loss or human life is
involved. It is important that the user employ satisfactory overall
system design. It is agreed between the Buyer and Acromag, that
this is the Buyer's responsibility.
1.0 GENERAL INFORMATION
The PCI Mezzanine Card (PMC) Series PMC230 is a precision
16-bit, high density, single-width PMC module, with eight analog
voltage output channels. Each of the output channels on the
PMC230 has a dedicated register from which digital values are read
and simultaneously transferred to its corresponding Digital-to-
Analog-Converter (DAC).
The PMC230 is available with eight cost effective 16-bit analog
output channels. The PMC230 is available in standard and
extended temperaterue range cards as follows.
Model Analog Output Channels Temperature Range
PMC230-8 8 0 to +70°C
PMC230-8E 8 -40 to +85°C
The PMC230 utilizes state of the art Surface Mounted
Technology (SMT) to achieve its high channel density. The
PMC230 offers a variety of features which makes it an ideal choice
for many industrial and scientific applications as described below.
KEY PMC230 FEATURES
•
DAC 16-Bit Resolution - 16-bit monolithic DAC with bipolar
voltage output ranges of ±10V, ±5V, and an unipolar output
range of 0 to 10V.
•
10μsec Conversion Time - A maximum recommended
conversion rate of 100KHz, for specified accuracy, is
supported. The absolute maximum conversion rate of 150KHz
is also supported.
•
Reliable Software Calibration - Calibration coefficients
stored on-board provide the means for accurate software
calibration for both gain and offset correction for each of the
channels of the module.
•
Reset is Failsafe For Bipolar Output Ranges - When the
module is jumpered for bipolar operation, the analog outputs
are reset to 0 volts upon power up or issue of a software or
hardware reset. This eliminates the problem of applying
random output voltages to actuators during power on
sequences.
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