DI-245 Hardware Manual
Specifications
4
Absolute max input without damage:
120 Vrms
Maximum common mode voltage:
120 Vrms
Minimum common mode rejection (330
unbalance): >110 db (DC to 60 Hz)
Channel-to-channel crosstalk rejection:
(R
source
≤ 330 Ω; Freq
source
≤ 60 Hz)
> 100 db
Digital Inputs
Number of channels:
2
Pull-up value:
47 K
Isolation:
None
Input high voltage threshold:
1.80 V minimum
Input low voltage threshold:
1.40 V maximum
Absolute maximum input without damage:
±30 V peak
ADC Characteristics
Voltage measurement resolution:
Range (±)
Resolution
Units
10 mV
1.22
V
25 mV
3.05
50 mV
6.10
100 mV
12.20
250 mV
30.52
500 mV
61.04
1 V
122.07
2.5 V
305.18
5 V
610.35
10 V
1.22
mV
25 V
3.05
50 V
6.10
Minimum temperature measurement resolution:
TC Type
Resolution
Units
J
0.086
°C
K
0.096
T
0.037
B
0.096
R/S
0.111
E
0.073
N
0.092
