3.
System Configuration Unit and Module
74
Analog Input Module SAI03
SAI03 module specifications
Item Specification
Model name SAI03
Number of input points 4 points (with distributor)
Input insulation unit Each point is isolated separately.
Input signal level 1-5 Vdc
Maximum applied voltage
30 V peak
Input impedance
1 M
or more
Data updating period 18 ms
A/D conversion data +6400 to +32000 counts
CMRR 100 dB or more (100 Vac-50/60 Hz)
Standard input accuracy
Within
0.1% of full scale
Temperature drift
Within
0.015%/
C
Power supply voltage drift
0.1% of full scale (in a system with power supply fluctuation of
10%)
Input wire break characteristics Down scale
Input wire break detection time Within 10 seconds
Sensor power supply 18 to 30 Vdc (load current 20 mA or less, including
FIVC21/FIVC22 resistance board voltage drop
Address setting Set from 1 to E (decimal 1 to 14) by front panel address setting
switch.
Diagnosis of breakdown Analog standard voltage, transmission, CPU, memory
Insulation resistance
100 M
or more (measured with 500 Vdc megger, between total
input channels, between total inputs and internal circuits)
Ability of insulation to withstand
voltage
500 Vac for 1 minute (between input channels, between total
inputs and internal circuits)
Current consumption 24 Vdc-300 mA or less
Internal heat generated 7.2 W or less (rated condition)
Compatible terminal block unit UTBA2
Compatible options FIVC21, FIVC22
External dimensions
40 W
90 H
95 D mm (excluding protrusions)
Weight 250 g or less
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