DAP 3000a
Obsolete |
|---|
|
The DAP 3000a is now Obsolete. For higher performance at a lower cost, upgrade your system for one of the PCI-bus DAP boards: the DAP 4000a. If you need spare parts for a DAP 3000a system, compatible items are available. |
The DAP 3000a is an excellent choice for applications where there is a need for a moderate amount of real-time processing of data in the time interval between samples, and for applications requiring fast sample rates.
The DAP 3000a/212 features a clock-doubled processor that executes two internal clock cycles for each external clock cycle. The 486 processor also features a hardware multiplier, making it well-suited for DSP operations. The processor used on the DAP 3000a/212 has a larger cache than that used on the DAP 3000a/111 which further improves the performance of the DAP 3000a/212.
The DAP 3000a models:
- have a 486 processor onboard.
- come with 512K or 2M of DRAM onboard memory.
- are compatible with other a-Series boards.
- work with the AT ISA bus for 286/386/486/Pentium PC platforms.
- transfer data to the PC at high rates up to 833K samples per second.
- allow fast real-time processing.
- offer low latency--0.2 ms task time quantum--for fast response.
- have a sampling period resolution of 100 ns.
- provide onboard DSP routines.
- sample or update digital I/O at up to 1.66 million values per second.
- sample analog inputs at up to 769K samples per second.
- update analog outputs at up to 833K samples per second.
- have expandable analog and digital inputs/outputs.
- comply with the EMC Directive 89/336/EEC
The 486 processor gives the DAP3000a low latency -- down to a 0.2 ms task time quantum. This means that when low latency mode is enabled, a single task will run for no more than 0.2 ms before DAPL switches to another task. This is crucial for process control applications where data must be responded to as quickly as possible.
DAP 3000a Specifications
General Specifications
Dimensions : 13.33 inches x 4.8 inches
Weight : 10.2 oz
Power requirements : +5V, 2.0 Amps
Operating temperature : 0-50 degrees Celsius
Accuracy of crystal clocks : 50 parts per million
Type of A/D converter : Successive Approximation
Input /111 /212
Analog Inputs 16 16
Expandable to 512 512
Voltage Ranges
-0 to +5 volts x x
-2.5 to +2.5 volts x x
-5 to +5 volts x x
-10 to +10 volts x x
Samples(x 1000) per second* 400 769
Time increment (nanoseconds) 100 100
Maximum Gain** 500 500
ADC Resolution (bits) 12 12
Digital Inputs (synchronous) 16 16
Expandable to 128 128
Samples (x 1000) per second 400 1600
Output /111 /212
Analog Outputs 2 2
Expandable to: 66 66
Voltage Ranges
-0 to +5 volts x x
-2.5 to +2.5 volts x x
-5 to +5 volts x x
-10 to +10 volts x x
Updates (x1000) per second
per onboard channel 400 833
DAC Resolution (bits) 12 12
Digital Outputs 16 16
Expandable to: 1024 1024
Updates (x1000) per second 400 1666
Microprocessor /111 /212
486 SLC/E SXLC2
Clock Speed(MHz) 24 48
Onboard Operating System DAPL 2000 DAPL 2000
RAM (Kbytes) 512 2048
PC Interface /111 /212
Dual 1024-byte high-speed FIFO x x
Buffers 2 2
Samples (x1000) transferred
per second*** 400 769
DSP /111 /212
Onboard DSP emulation x x
* Crystal-controlled,
with 12-bit A/D resolution
** Top sampling speeds are available
only with gain=1. All models also have
gains of 10, 100, and 500.
*** Benchmarked rates vary with PC platform.
Obtain additional information from
Technical Note 105:
Technical Product Information for the DAP 3000a (45K PDF file).
Go back to the top.