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MELSEC-Q
3 SPECIFICATIONS
3
3 SPECIFICATIONS
3.1 Performance Specifications
3.1.1 Performance specifications list
Table 3.1 shows the performance specifications of the A/D conversion modules.
Table 3.1 Performance specifications
Model name
Item
Q64AD Q68ADV Q68ADI
Analog input points 4 points (4 channels) 8 points (8 channels) 8 points (8 channels)
Voltage –10 to 10 V DC (Input resistance value 1M ) ———
Analog
input
Current
0 to 20 mA DC
(input resistance value 250
)
———
0 to 20 mA DC
(input resistance value 250 )
Digital output –4096 to 4095
Input Analog input range Maximum resolution Digital output value
0 to 10 V 2.5 mV
0 to 5 V 1.25 mV
1 to 5 V 1.0 mV
0 to 4000
Voltage
–10 to 10 V 2.5 mV –4000 to 4000
0 to 20 mA
5 A
Current
4 to 20 mA
4
A
0 to 4000
I/O characteristics,
Maximum resolution
Ambient temperature
25 ± 5 °C
± 0.1 %
Accuracy
(Full scale
accuracy)
Ambient temperature
0 to 55 °C
With temperature drift compensation : ± 0.3 %
With no temperature drift compensation : ± 0.4 %
Conversion speed
80
s/channel
(When there is temperature drift, the time calculated by adding 160
s will be used
regardless of the number of channels used)
Absolute maximum input Voltage : ± 15 V Current : ± 30 mA
Insulation method
Between the I/O terminal and PLC power supply : Photocoupler insulation
Between channels : Non-insulated
Number of occupied points 16 points
Connection terminals 18-point terminal block
Applicable wire size 0.3 to 0.75 mm
2
Applicable solderless terminal R1.25-3 (A solderless terminal with sleeve cannot be used)
Internal current consumption
(5 V DC)
0.63 A 0.64 A 0.64 A
Weight 0.18 kg 0.19 kg 0.19 kg
REMARK
See the user’s manual for the CPU module being used for general specifications of
the A/D conversion modules.
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