2: M
ODULE
S
PECIFICATIONS
2-4
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:
–100 to 500°C
Ni100, Ni1000:
–60 to 180°C
Input Impedance
1 M
Ω
FC4A-J4CN1:
12
Ω
1 M
Ω
—
FC4A-J8C1:
100
Ω
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
10 ms maximum
30 ms maximum
Total Input System
Transfer Time
(Note 1)
FC4A-J4CN1:
40 ms
×
ch 1 scan time
FC4A-J8C1:
8 ms
×
ch 1 scan time
45 ms
×
channels
+ 1 scan time
65 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
+ reference
junction compen-
sation accuracy
(±3°C maximum)
±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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