Fx 2N -4Ad - Mitsubishi Electric MELSEC-FX3S Series Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U
Common Items
FX -4AD
4.1.4
2N
Specifications
Number of input points
Analog input range
Absolute maximum input
Offset
Gain
Digital output
Resolution
Ambient temperature:
25±5°C
Ambient temperature:
0 to 55°C
Time required for A/D
conversion
Input characteristics
Insulation method
Number of I/O points
occupied
*1. Adjustment of the offset or gain value will not affect the resolution.
*2. The offset and the gain should satisfy the following condition:
≤
1V (Gain - Offset)
*3. The offset and the gain should satisfy the following condition:
≤
4mA (Gain - Offset)
A-30
PLC User's Manual - Analog Control Edition
3UC
Voltage input
-10V to +10V DC
(Input resistance: 200 kΩ)
±15V
-5V to +5V
-4V to +15V
With sign, 12 bits, binary
5mV (20V × 1/4000)
-
±1.0% (±200mV) for 20V full scale
Normal conversion mode:15ms × number of selected channels
High-speed conversion mode: 6ms × number of selected channels
+2047
+2000
-10V
0
-2000
-2048
• The photocoupler is used to insulate the analog input area from the PLC.
• The DC/DC converter is used to insulate the power supply from the analog inputs.
• Channels are not insulated from each other.
8 points (Taken from either the input or output points of the PLC.)
≤
15V
≤
32mA

FX 2N -4AD

4ch
*1*2
*1*2
*1
When the input is set from -20 mA to +20 mA:
+10V
When the input is set from 4 mA to 20 mA:
4 Comparison of Performance Specifications
Current input
-20mA to +20mA DC
4mA to 20mA DC
(Input resistance: 250 Ω)
±32mA
*1*3
-20mA to +20mA
*1*3
-16mA to +32mA
With sign, 11 bits, binary
20μA (40mA × 1/2000)
-
±1.0% (±400μA) for 40mA full scale
Same accuracy for 4mA to 20mA input
+1600
+1000
-20mA
0
+20mA
-1000
-1600
1750
1000
0
4mA 20mA
4.1 Analog Input
*1