Mitsubishi Electronics MELSEC-F Manuel D’Utilisation
B-7
2 Specifications
2.2 Power Supply Specifications
A
Comm
on I
te
te
ms
B
FX
3U
-4AD
FX
3UC
-4
A
D
C
FX
3U
-4A
D
D
-A
D
P
D
FX
3G
-2A
D
D
-BD
E
FX
3U
-4DA
F
FX
3U
-4D
A
A
-AD
P
P
G
FX
3G
-1D
A
A
-BD
H
FX
3U
-3
A-
ADP
I
FX
3U
-4
A
D
-P
T
-
A
D
P
J
FX
3U
-4A
D
D
-P
TW
-
A
A
D
P
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX
3U
-4AD/FX
3UC
-4AD (4-channel Analog Input)
2.2
Power Supply Specifications
FX
3U
-4AD
FX
3UC
-4AD
2.3
Performance Specifications
*1.
Adjustment of the offset or gain value will not affect the resolution. In the direct indication mode,
however, the offset/gain cannot be adjusted.
however, the offset/gain cannot be adjusted.
*2.
The offset and the gain should satisfy the following condition:
1V
1V
≤ (Gain - Offset)
*3.
The offset and the gain should satisfy the following condition:
3 mA
3 mA
≤ (Gain - Offset) ≤ 30 mA
*4.
If 1 or more channels use the digital filter(s), the time required for A/D conversion will be
"5 ms
"5 ms
× number of selected channels."
Item
Specifications
A/D conversion
circuit drive power
circuit drive power
24V DC
±10%, 90mA
(It is necessary to supply 24V DC from the terminal block.)
CPU drive power
5V DC, 110mA
(Since the internal power is supplied from the main unit, it is not necessary to supply power
externally.)
(Since the internal power is supplied from the main unit, it is not necessary to supply power
externally.)
Item
Specifications
A/D conversion
circuit drive power
circuit drive power
24V DC
±10%, 80mA
(It is necessary to supply 24V DC from the power connector.)
CPU drive power
5V DC, 100mA
(Since the internal power is supplied from the main unit, it is not necessary to supply the power.)
(Since the internal power is supplied from the main unit, it is not necessary to supply the power.)
Item
Specifications
Voltage input
Current input
Analog input range
-10V to +10V DC
(Input resistance: 200k
Ω)
-20mA to +20mA DC, 4mA to 20mA DC
(Input resistance: 250
Ω)
Offset
*1
-10V to +9V
*2
-20mA to +17mA
*3
Gain
*1
-9V to +10V
*2
-17mA to +30mA
*3
Absolute maximum
input
input
±15V
±30mA
Digital output
With sign, 16bits, binary
With sign, 15bits, binary
Resolution
*4
0.32mV (20V
× 1/ 64,000)
2.5mV (20V
× 1/8000)
1.25
μA (40mA × 1/ 32,000)
5.00
μA (40mA × 1/8000)
Overall accuracy
• Ambient temperature: 25
°C±5°C
±0.3% (±60mV) for 20V full scale
• Ambient temperature: 0
°C to 55°C
±0.5% (±100mV) for 20V full scale
• Ambient temperature: 25
°C±5°C
±0.5% (±200μA) for 40mA full scale
Same accuracy (
Same accuracy (
±200μA) for 4mA to 20mA input
• Ambient temperature: 0
°C to 55°C
±1% (±400μA) for 40mV full scale
Same accuracy (
Same accuracy (
±400μA) for 4mA to 20mA input
Time required for
A/D conversion
A/D conversion
500
μs × number of selected channels
(If 1 or more channels use the digital filter(s): 5ms
× number of selected channels)
Insulation method
• The photocoupler is used to insulate the analog input area from the PLC.
• The DC/DC converter is used to insulate the analog input area from the power supply unit.
• Channels are not insulated from each other.
• The DC/DC converter is used to insulate the analog input area from the power supply unit.
• Channels are not insulated from each other.
Number of I/O
points occupied
points occupied
8 points (Taken from either the input or output points of the PLC.)