SmartAXIS Touch User's Manual 29-9
1 Touch
29
SmartAXIS Specifications
■ FT1A-*14KA/14SA
*1 This value may vary by device.
Calibration or Verification to Maintain Rated Accuracy Not possible
Maximum Permanent Allowed Overload (No Damage) 28.8V DC
Overload Status (Outside Input Range) Detection Detectable
Isolation
Between input terminals Not isolated
Between input and internal circuit Not isolated
Used as Digital
Input
Digital Input Type — (IEC 61131-2 digital input type is not supported)
Input Threshold
ON voltage: 15V min. (ON current: 0.20 mA min.)
OFF voltage: 5V max. (OFF current: 0.06 mA max.)
Input Signal Type Voltage/current input (selectable with software)
Input Points
(Terminal No. /Common Line Name)
1 point in 1 common line
AI0+, AI1+/ AI0-, AI1-
Input Range
0 to 10V DC (Voltage Input)
4 to 20mA (Current Input)
Input Impedance
78.0K (Voltage Input)
250 (Current Input)
Digital Resolution 0 to 1,000 (850 steps)
Data Type Binary data: 0 to 1000
Input Value of LSB
*1
11.7mV (Voltage Input)
16A (Current Input)
Type of Input Single-ended input
AD Conversion
Sample Duration Time 2 msec max.
Sample Repetition Time 2 msec max.
Total Input System Transfer Time
3 msec + filtering time + scan time (Voltage Input)
12 msec + filtering time + scan time (Current Input)
Input Error
Maximum Error at 25°C ±3.0% of full scale
Temperature Coefficient ±0.04%/°C of full scale
Maximum Error ±5.0% of full scale
General
Characteristics
Operating Mode Self-scan
Conversion Method SAR
Status Display Device Monitor screen (LCD)
Maximum Temporary Error during Electrical Noise Tests ±5.0% of full scale
Recommended Cable for Noise Immunity Twisted pair shielded cable
Calibration or Verification to Maintain Rated Accuracy Not possible
Maximum Permanent Allowed Overload (No Damage)
28.8V DC (Voltage Input)
40mA (Current Input)
Overload Status (Outside Input Range) Detection Detectable
Isolation
Between input terminals Not isolated
Between input and internal circuit Not isolated
Used as Digital
Input
Digital Input Type — (IEC 61131-2 digital input type is not supported)
Input Threshold
ON voltage: 15V min. (ON current: 0.20 mA min.)
OFF voltage: 5V max. (OFF current: 0.06 mA max.)
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