Advantech PCL-818L User manual
Chapter 1 General information 1
1
General information
CHAPTER
2PCL-818L User's Manual
Introduction
The PCL-818L is a high performance multi-function data acquisition
card for IBM PC/XT/AT or compatible computers. It offers the five
most desired measurement and control functions: 12-bit A/D conver-
sion, D/A conversion, digital input, digital output and timer/counter.
Automatic channel scanning circuitry and on-board SRAM let you
perform multiple-channel A/D conversion with DMA and individual
channel gains.
The PCL-818L is an advanced new version of our popular PCL-818.
A custom 160-pin ASIC chip integrates the functions of the full-size
PCL-818. This chip gives you maximum accuracy and reliability,
along with minimum cost, size and power consumption.
The resulting half-size card is fully software compatible with the PCL-
818. This puts rich software support and a wide variety of external
signal conditioning boards at your disposal.
The PCL-818L is excellent for data acquisition, process control,
automatic testing and factory automation.
Features
• 16 single-ended or eight differential analog inputs, switch selectable
• 12-bit A/D, up to 40 KHz sampling rate with DMA transfer and
different gain for each channel.
• Software programmable gain values
• Software selectable analog input ranges (bipolar):
Two ranges, selected by jumper JP7
±10, ±5, ±2.5, ±1.25 or ±5, ±2.5, ±1.25, ±0.625
• 16 digital inputs and 16 digital outputs, TTL/DTL compatible
• One 12-bit analog output channel
• Flexible triggering options: software trigger, programmable pacer
trigger and external pulse trigger.
• Data transfer by program control, interrupt handler routine or DMA
• New-technology 160 pin 1.0 mm CMOS ASIC chip
Chapter 1 General information 3
Specifications
åAnalog Input (A/D converter)
• Channels: 16 single-ended or 8 differential, switch selectable
• Resolution: 12 bits
• Input ranges (bipolar, VDC): ±0.625, ± 1.25, ±2.5, ±5 or
±1.25, ± 2.5, ±5, ±10
All input ranges are software programmable.
• Overvoltage: Continuous ±30 V max.
• Conversion type: Successive approximation
• Conversion rate: 40 KHz max.
• Accuracy: ±(0.01% of reading), ±1 bit
• Linearity: ±1 bit
• Trigger mode: Software trigger, on-board programmable pacer
trigger or external trigger
• Ext. trigger: TTL compatible.
Load is 0.4 mA max. at 0.5 V and -0.05 mA max. at 2.7 V
• Data transfer: Program, interrupt or DMA
åAnalog output (D/A converter)
• Channels: 1 channel
• Resolution: 12 bits
• Output range: 0 to +5 (+10) V with on-board -5 (-10) V reference.
Max. ±10 V with external DC or AC reference
• Reference:
Internal: -5 V or -10 V
External DC or AC: ±10 V max.
• Conversion type: 12 bit monolithic multiplying
• Linearity: ±0.5 bit
• Output drive: ±5 mA max.
• Settling time: 5 microseconds
4PCL-818L User's Manual
åDigital input
• Channel: 16 bits
• Level: TTL compatible
• Input voltage:
Low: 0.8 V max.
High: 2.0 V min.
• Input load:
Low: 0.4 mA max. at 0.5 V
High: 0.05 mA max. at 2.7 V
åDigital Output
• Channel: 16 bits
• Level: TTL compatible
• Output voltage:
Low: Sink 8 mA at 0.5 V max.
High: Source -0.4 mA at 2.4 V min.
åProgrammable timer/counter
• Device: Intel 8254 or equivalent
• Counters: 3 channels, 16 bit.
2 channels are permanently configured as programmable pacers
1 channel is free for your applications
• Input, gate: TTL/CMOS compatible
• Time base:
Pacer channel 1:10 MHz or 1 MHz, switch selectable
Pacer channel 2:Takes input from channel 1
Pacer channel 0:Internal 100 KHz or external clock (10 MHz max).
Source selected with Timer/Counter Enable
Register (BASE+10)
• Pacer output: 0.00023 Hz (71 minutes/pulse) to 2.5 MHz
åInterrupt channel
• Level: IRQ 2 to 7, software selectable
• Enable: Via INTE bit of Control Register (BASE+9)
Chapter 1 General information 5
åDMA channel
• Level: 1 or 3, jumper selectable
• Enable: Via DMAE bit of Control Register (BASE+9)
åGeneral
• Power consumption:
+5 V: 210 mA typical, 500 mA max.
+12 V: 20 mA typical, 100 mA max.
-12 V: 20 mA typical, 40 mA max.
• I/O connector: 20 pin post headers for I/O connection. Adapter
available to convert to DB-37 connector
• Analog input/output/counter connector: DB-37
•I/O base: Requires 16 consecutive address locations. Base address
definable by the DIP switch SW1 for address line A9-A4. (Factory
setting is Hex 300)
• Operating temp: 0 to +50oC
• Storage temp: -20 to +65oC
Daughterboards
We offer a wide variety of optional daughterboards to help you get the
most from your PCL-818L. You will need the PCLD-774 Analog
Expansion Board or PCLD-8115 Wiring Terminal Board to make
connections.
åPCLD-789 Amplifier/Multiplexer board
This analog input-signal conditioning board multiplexes up to 16
differential inputs to one A/D input channel. A high grade instrumen-
tation amplifier provides switch selectable gains of 0.5, 1, 2, 10, 50,
100, 200, 1000 or user defined.
åPCLD-788 Relay Multiplexer Board
This board multiplexes up to 16 differential inputs to one analog
output channel. It offers isolated break-before-make high voltage
switching and a CJC circuit for thermocouple measurement.
6PCL-818L User's Manual
åPCLD-787 8-channel simultaneous sample and hold board
This board lets you simultaneously acquire up to eight analog inputs
with less than 30 nsec of channel-to-channel sample time uncertainty.
åPCLD-786 AC/DC power SSR and relay driver board
This board holds eight opto-isolated solid state relay modules and
provides an additional eight outputs to drive external relays.
åPCLD-785B and PCLD-885 relay output boards
These boards let you control relays through the PCL-818L's 16-bit
digital output channels. PCLD-785B provides 24 SPDT relays, while
the PCLD-885 provides 16 SPST power relays.
åPCLD-782B Isolated D/I Board
This board provides 24 opto-isolated digital input channels and a
cable to connect to the PCL-818L's digital input ports.
åPCLD-779 8-channel relay-isolated multiplexer
and amplifier board
This board lets you easily make multi-channel temperature measure-
ments. We designed it for the cost-sensitive customer who requires
precision, low-level signal measurement and isolation for industrial
applications.
åPCLD-770 with PCLD-7701 and PCLD-7702 modules
PCLD-770 accepts signals from up to eight PCLD-7701 or PCLD-
7702 signal conditioning modules and multiplexes them into a single
analog input channel. PCLD-7701 is an isolated amplifier module and
the PCLD-7702 is an amplifier with I/V source. You can cascade up to
ten PCLD-770s for a total of 80 differential input channels.
åPCLD-5B16 module carrier board
This board holds 16 5B-series input and/or output modules. We supply
5B modules for wide variety of signal input signals, including
thermocouples, strain gauges and RTDs.
Chapter 1 General information 7
Software support
The PCL-818L comes with a powerful and easy-to-use software driver
whose functions can be accessed by referring to a user-defined
Parameter Table. With these driver functions your application pro-
gramming becomes much easier, especially when you want to use
some of the sophisticated features available from the PCL-818L, such
as interrupt or DMA data transfer.
You can also use the following application software packages with the
PCL-818L.
åDADiSP
Spreadsheet software for off-line data analysis and digital signal
processing. DSP Development Corp.
åLABTECH NOTEBOOK
Integrated data acquisition software with real time analysis, display
and process control. Laboratory Technologies Corp.
åLABTECH ACQUIRE
Low cost data acquisition software . Laboratory Technologies Corp.
åDAXpert 1.0
DOS-based general purpose data acquisition package. You can quickly
set up an experiment, acquire data and graphically display the results
on the screen in real time. Advantech.
åGENIE 1.1
Windows-based general purpose data acquisition package. Its intui-
tive, object-oriented graphical user interface simplifies control
strategy and display setups. Advantech
åPC-Scope
This software turns your PC into a storage-oscilloscope. Advantech
8PCL-818L User's Manual
åSNAP-MASTER for Microsoft Windows
A PC-based data-acquisition, analysis and display software tool for
Microsoft Windows. This is the first Windows-based package that
allows control of sensors, transducers, actuators and signal condition-
ers as part of the data-acquisition system. HEM Data Corporation
åGENESIS
Icon-based process-control software for graphically creating, simulat-
ing and executing real-time data acquisition and process control
strategies. ICONICS, Inc.
åPC-Streamer
A menu-driven, user friendly data acquisition software package
capable of continuously streaming up to 16 channels of acquired data
to disk. It can store at up to 200 KB/sec with no limitations on file
size. Advantech
Contact your local PC-LabCard representative for more information
about these software packages.
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