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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 converter 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
16-bit signed binary (normal resolution mode: –4096 to 4095,
high resolution mode: –12288 to 12287, –16384 to 16383
Normal resolution mode High resolution mode
Analog input range
Digital output
value
Maximum
resolution
Digital output
value
Maximum
resolution
0 to 10 V 2.5 mV 0 to 16000 0.625 mV
0 to 5 V 1.25 mV 0.416 mV
1 to 5 V
0 to 4000
1.0 mV
0 to 12000
0.333 mV
–10 to 10 V 2.5 mV
–16000 to
16000
0.625 mV
Voltage
Users range
setting
–4000 to 4000
0.375 m V
–12000 to
12000
0.333 mV
0 to 20 mA
5
A 1.66 A
4 to 20 mA
0 to 4000
4
A
0 to 12000
1.33 A
Current
Users range
setting
–4000 to 4000
1.37
A
–12000 to
12000
1.33 A
I/O characteristics,
Maximum resolution
Normal resolution mode High resolution mode
Ambient temperature 0 to 55 °C Ambient temperature 0 to 55 °C
Analog input range
With
temperature
drift correction
Without
temperature
drift correction
Ambient
temperature
25 ± 5 °C
With
temperature
drift correction
Without
temperature
drift correction
Ambient
temperature
25 ± 5 °C
0 to 10 V
–10 to 10 V
± 0.3 %
(± 48 digit
)
± 0.4 %
(± 64 digit )
± 0.1 %
(± 16 digit )
0 to 5 V
1 to 5 V
Voltage
Users range
setting
0 to 20 mA
4 to 20 mA
Current
Users range
setting
± 0.3 %
(± 12 digit
)
± 0.4 %
(± 16 digit )
± 0.1 %
(± 48 digit )
± 0.3 %
(± 36 digit
)
± 0.4 %
(± 48 digit )
± 0.1 %
(± 12 digit )
Accuracy
(Accuracy
in respect
to
maximum
digital
output
value)
Digit indicates a digital value.