2: MODULE SPECIFICATIONS
« FC4A MICROSMART USER’S MANUAL » 2-47
Analog Input Specifications (Ladder Refresh Type)
Type No. FC4A-J4CN1 / FC4A-J8C1 FC4A-J4CN1
Analog Input Signal Type Voltage Input Current Input Thermocouple
Resistance
Thermometer
Input Range 0 to 10V DC 4 to 20 mA DC
Type K:
0 to 1300°C
Type J:
0 to 1200°C
Type T:
0 to 400°C
Pt100, Pt1000:
3-wire type
(–100 to 500°C)
Ni100, Ni1000:
3-wire type
(–60 to 180°C)
Input Impedance 1 MΩ
FC4A-J4CN1:
7Ω
1 MΩ —
FC4A-J8C1:
100Ω
Input Detection Current ———0.1 mA
AD
Conversion
Sample Duration Time 2 ms maximum
Sample Repetition Time
FC4A-J4CN1: 10 ms maximum
FC4A-J8C1: 2 ms maximum
30 ms maximum 10 ms maximum
Total Input System
Transfer Time (Note 1)
FC4A-J4CN1:
50 ms × channels + 1 scan time
FC4A-J8C1:
8 ms × channels + 1 scan time
85 ms
× channels
+ 1 scan time
50 ms
× channels
+ 1 scan time
Type of Input Single-ended input
Operating Mode Self-scan
Conversion Method
FC4A-J4CN1: ∑∆ type ADC
FC4A-J8C1: Successive approximation register method
Input Error
Maximum Error at 25°C ±0.2% of full scale
±0.2% of full scale
+ cold junction
compensation
error (±3°C maxi-
mum)
Pt100, Ni100:
±0.4% of full scale
Pt1000, Ni1000:
±0.2% of full scale
Cold Junction
Compensation Error
——
±3.0°C
maximum
—
Temperature Coefficient ±0.005% of full scale/°C
Repeatability after
Stabilization Time
±0.5% of full scale
Non-lineality ±0.04% of full scale
Maximum Error ±1% of full scale
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