2. System component
20
Table 2.14 SAI022 specification
Item Specification
Model name SAI022
Number of input points 4 points
Input insulation unit Insulation at each point
Input signal level 1-5VDC
Maximum applied voltage ±
30Vpeak
Input impedance
1M
Ω
or more
Data update cycle 18ms
A/D conversion data +6400 to +32000 counts
CMRR 100dB or more (AC100V-50/60Hz)
Reference input precision
Within
±
0.1%/full scale
Temperature drift
Within
±
0.015%/
°
C
Power supply voltage drift
Within
±
0.1%/full scale (
±
10% of system power fluctuation)
Input break characteristics Downscale
Input break detection time Within 10 seconds
Address setting Set 1 to E(1 to 14) with the front address setting switch
Failure diagnosis Analog reference voltage, transmission, CPU, memory
Insulation resistance
100M
Ω
or more(500VDC megger, between input channels,
between input common and internal circuit)
Withstand voltage 500VAC/1 minute (between input channels, between input common
and internal circuit)
Current consumption 24VDC-60mA or less (system power supply)
Internally generated heat 1.5W or less (rated condition)
Applicable base card UIOU58
Outside dimension
40W
×
90H
×
95Dmm (excluding protrusions)
Weight 150g or less
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