DI-2108-P Hardware Manual
Specifications
3
2. Specifications
Analog Inputs
Number of Channels:
8
Channel Configuration:
Differential
Measurement range per channel:
Programmable ±2.5, ±5, ±10, 0-5, 0-10 Volts
Input impedance:
800 k
differential
DC accuracy:
±0.05% of range 25°C, excluding common mode error
Absolute maximum input without damage: ±150 V dc or peak ac (normal mode + common mode)
Common mode range:
±228 V dc or peak ac
Common mode rejection ratio:
dc to 60 Hz 0
unbalanced
90 dB typical
Channel-to-channel crosstalk rejection:
110 dB typical
Digital Ports
Number of Ports:
7
Type:
MOSFET switch
Configuration:
Programmable as digital input or switch
Pull-up value:
4.7 k
Input high voltage threshold:
2.4V
Input low voltage threshold:
0.8V
Absolute maximum applied voltage (V): 0
≤
V
≤
25 V
Reserved Digital Inputs
Port 1:
W
IN
D
AQ
remote events
Port 2:
W
IN
D
AQ
remote start/stop
Port 3:
Rate input
Port 4:
Count input
ADC Characteristics
Resolution:
16-bit
Resolution applied to measurements:
>15.6-bit
Max. sample throughput rate:
160 kHz throughput
Min. sample throughput rate:
Hardware: 1.831 kHz with WinDaq software: 0.305 Hz
Sample rate timing accuracy:
50 ppm (typical over 24 hours)
Digital Ports Programmed as Switch
Maximum drain voltage:
25V
Maximum sink current:
100 mA
