Dataq DI-700, User Manual

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DI–700 Series User Manual
Specifications
3
2. Specifications.
Signal Connections
Signal connections are made directly to the 37-pin, D-type connector on the front panel of the instrument. Signal
connections can also be made with the DI-705, which is an optional, screw terminal signal interface that plugs into
the 37-pin connector and allows you to connect bare-wire analog input signals to the DI-700. Refer to chapter 5
Accessories in this manual for complete DI-705 details. Note that the DI-705 is an extra-cost option that is not
included with the purchase of a DI-700 instrument
Interface Characteristics
Compatible computer architecture: Connects to computer via the USB (universal serial bus) port.
Analog Inputs
Number of input channels: 16 single-ended, 8 differential (software selectable per channel)
Converter resolution: 16-bit
Common mode rejection ratio: 60 dB minimum, 1kW unbalance @ 60 Hz
Accuracy: ±0.25% of full scale range
Crosstalk: 60 dB @ 975Hz sample rate
Sample throughput rate: 975 samples/second max
Maximum analog measurement range (software selectable per channel):
PGL Models: PGH Models:
±10V full scale at a gain of 1 ±10V full scale at a gain of 1
±1V full scale at a gain of 10 ±5V full scale at a gain of 2
±100mV full scale at a gain of 100 ±2.5V full scale at a gain of 4
±10mV full scale at a gain of 1000 ±1.25V full scale at a gain of 8
Gain error 1 bit max @ 1kHz sample rate
Input offset voltage 1 bit max @ 1kHz sample rate
Input settling time 1ms to 0.01% at all gains
Input impedance 1 MW
Digital Input/Output
Capacity 8 each input and output
Compatibility TTL compatible
Max source current 0.4mA @ 2.4V
Max sink current 7.2mA @ 1V
Digital input termination 4.7kW pull-up to +5VDC
Input Scan List
Capacity 16 elements
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