PCI-9524
24-Bit Precision Load Cell Input Card
Introduction
The PCI-9524 is a robust, multi-purpose module designed for turnkey material test systems (MTS). Equipped with four
strain gauge-based full-bridge transducer input channels, four general purpose analog input channels, and a 3-axis motion
controller, the PCI-9524 delivers a complete hardware solution for MTS manufacturers. The PCI-9524 easily integrates
physical quantity measurement and implements strategy of software-based close-loop control in a single module
package. For transducer measurement, the PCI-9524 supports sensitivity from 1.0 mV/V to 4.0 mV/V and provides a
1/200000 accuracy of measurement of full scale. These features make the PCI-9524 suitable for precise measurement in
large-scale transducers.
The PCI-9524 is also equipped with four, 24-bit general purpose analog input channels that allow accurate measure-
ments of the LVDT (Linear Variable Differential Transducer) and Linear wire potentiometer signals to achieve
high-resolution of displacement.
With motion control capability and 16-bit DA channels, the PCI-9524 comes with three stepper/servo motor axes and
two channels of hydraulic system control function. The built-in incremental encoder feedback channels enable the PCI-9524 to
implement the stratagem of MTS’ software-based closed-loop control.
The impressive PCI-9524 features permit easy implementation of required control or measurement functionalities
with just a single module, saving precious development and integration time for MTS manufacturers.
Features
Specifications
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Transducer Inputs for precise measurement
4-channel Load Cell Transducer Input
Analog Output
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4-CH full-bridge load cell transducer inputs
Accuracy up to 1/200,000 counts at full-scale
Sensitivity from 1.0 mV/V to 4.0 mV/V
2.5/10 VDC excitation voltage, software selectable
Internal 24-bit A/D resolution
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Excitation voltage: 2.5 V/10 VDC
Resolution: 16-bit
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Output range: ±10 V
Number of channels: 2
Update rate: Up to 5 kS/s
Onboard 1 K samples D/A FIFO
Driving capability: 5 mA
Internal A/D resolution: 24-bit
Update speed when Auto-zero Disabled
· Up to 30 KSPS (single channel)
· Up to 1,638 SPS (multi-channel)
Update speed when Auto-zero Enabled
· Up to 819 SPS (single channel or multi-channel)
Transducer sensitivity: 1.0 mV/V to 4.0 mV/V
Number of channels: 1.6
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Motion control interface for stepper and hydraulic
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system control
Hardware Timer Interrupt
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3-axis PWM output with OUT/DIR and CW/CCW mode
2-CH 16-bit analog outputs
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Base clock: 40 MHz
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A-B phase encoder input with 24-bit counter
Resolution: 32-bit
Interrupt Frequency: 40MHz / 2N; N=1~232
General-Purpose Analog Inputs for accurate measurements
of LVDT1 and linear wire potentiometer signals
Accuracy: 1/200000 of full scale
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(with remote sense & auto zero enabled)
Onboard 256 samples A/D FIFO
General Specifications
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4-CH analog input with 24-bit resolution
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5V power output current:
Programmable gains of ±1.25 V, ±2.5 V, ±5 V, ±10 V
Up to 30 kS/s sampling rate (single channel)
PWM Output & Encoder Input
· ISO5VDD: max. 160 mA
· ISOPWR: max. 16 mA
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Number of axis: 3
Note 1: LVDT: Linear Variable Differential Transducer
■ Supported Operating Systems
• Windows 2000/XP/Vista/7
• Linux
Pulse output options: OUT/DIR and CW/CCW
(26LS31, differential line driver, driving current: up to
20 mA)
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I/O connector: Two 68-pin SCSI-VHDCI female
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Operation Temperature: 0 to 45˚C
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Maximum output frequency: 500 kHz
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Power requirements: 5 V @ 2 A
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Encoder Input: 24-bit up/down counter for
■ Recommended Application Environments
• VB.NET/VC.NET/VB/VC++/BCB/Delphi
Dimensions (not including connectors):
156 mm x 116 mm
incremental encoder feedback
General Purpose Analog Input
■ Driver Support
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Resolution: 24-bit
• DAQPilot for Windows
• DAQPilot for LabVIEW™
• PCI-DASK for Windows
• PCI-DASK/X for Linux
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Programmable range: ±1.25 V, ±2.5 V, ±5 V, ±10 V
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Number of channels: 4
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Sampling rate: 30 kS/s (non-multiplexing)
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Onboard 256 samples A/D FIFO
■ Applications
Isolated Digital Input
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• Material test system
Number of channels: 8
Maximum input range (non-polarity): 0 V to 24 V
Input resistance: 2.7 KΩ
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The combination of these features makes the PCI-9524
an ideal solution for material testing systems, CNC
machines, and civil testing equipment. With all the
required functions for measurement and control, the
PCI-9524 greatly reduces system development and
integration time.
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Isolated Digital Output
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Number of channels: 8
Output type: Power MOSFET
Sink current: Up to 300 mA/channel
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4-13
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