» Features
■ 32-bit +5V PCI Bus, Plug & Play
■ 12-bit resolution
■ The maximum sample rate is 45K samples/second
■ 16 single-ended or 8 differential analog inputs
■ A/D trigger mode : software trigger, pacer trigger
■ Programmable high gain : 1,10,100,1000 (PIO-821PGH)
■ Programmable low gain : 1,2,4,8 (PIO-821PGL)
■ Programmable low gain : 1,2,4,8 (PIO-821PGL)
■ 16 digital input / 16 digital output channels
■ Software calibrated
» Functional Description
The PIO-821 is a low cost multi-function card for PC with PCI bus.
The PIO-821 contains 16-channel single-ended or 8-channel differential analog input, 1-channel 12-bit DAC voltage output, 16-channel digital input and 16-channel digital output.
The maximum sampling rate of A/D converter is about 45K sample/second.
» Applications
● Process monitor and control
● Vibration Analysis
● Digital pattern generator from digital I/O port
» Specifications Analog Input
● Number of channels : 16 signal-ended or 8 differential
● Resolution : 12-bit
● Conversion time : 8 microseconds
● Input current : 250 nA max (125 nA typical) at 25°C
● On chip sample & hold
● Overvoltage protection : ±35V
● Input impedance : 10 Ω
● Accuracy : 0.01% of reading ±1 bit
● Linearity : ±1 bit
Gain
Bipolar
Max.Switching Frequency
1
±5V
45K/s
2
±2.5V
45K/s
4
±1.25V
45K/s
8
±0.625V
45K/s
Gain
Bipolar
Max.Switching Frequency
1
±5V
45K/s
10
±0.5V
45K/s
100
±0.05V
10K/s
1000
±0.005V
1K/s
Analog Output
● Number of channels : 1 independent
● Type : 12-bit double-buffered
● Linearity : 0.006% FS
● Output range : 0~5V,0~10V or 0~Ext Ref
● External reference : +10V or -10V max
● Output driving : ±5 mA
● Settling time : 0.6μs to 0.01% for full scale step Digital I/O
● Inputs : 16-channel; TTL Levels
● Outputs : 16-channel; TTL levels Timer
● Three 16-bit independent timer, 8MHz input clock
● Timer 0 : Internal pacer trigger timer
● Timer 1 : External pacer trigger
● Timer 2 : Machine independent timer for settling time delay
General Specifications
● I/O connector : one 37-pin D-sub female
two 20-pin ribbon male
● Power requirements : +5V @ 960 mA
● Operating temperature : 0°C ~ 60°C
● Operating humidity : 0% ~ 90% non-condensing
● Storage temperature : -20°C ~ 70°C
● Dimensions : 165 mm x 105 mm
Ordering Information Standard PIO-821L : 16-channel 12-bit 45KS/s low gain multi-function board PIO-821H : 16-channel 12-bit 45KS/s high gain multi-function board PIO-821H/S : PIO-821H with DB-8225 PIO-821H/NDA : PIO-821H without D/A PIO-821L/NDA : PIO-821L without D/A
