Mitsubishi Electric MELSEC-A/QnA Series Handbook page 39

2
ANALOG INPUT MODULE REPLACEMENT
(Input resistance value: 1Mor more)
(Input resistance value: 250)
(Normal resolution mode: -4096 to 4095,
High resolution mode: -12288 to 12287, -16384 to 16383)
Input Analog input range
output value
0 to 10V
0 to 5V 0 to 4000
1 to 5V
Voltage
1 to 5V
-1000 to 4500
(Expanded mode)
-10 to 10V
-4000 to 4000
Users range setting
0 to 20mA
0 to 4000
4 to 20mA
Current
4 to 20mA
-1000 to 4500
(Expanded mode)
Users range setting -4000 to 4000
Normal resolution mode: ±4digit
High resolution mode (0 to 10V, -10 to 10V): ±16digit
High resolution mode (Other than the above ranges): ±12digit
Temperature coefficient: ±71.4ppm/°C (0.00714%/°C)
Q68AD-G
-10 to 10VDC
0 to 20mADC
16-bit signed binary
Normal resolution mode
Digital Maximum Digital
resolution output value
2.5mV 0 to 16000
1.25mV
0 to 12000
1.0mV
1.0mV -3000 to 13500
2.5mV -16000 to 16000
0.375mV -12000 to 12000
5µA
0 to 12000
4µA
4µA -3000 to 13500
1.37µA -12000 to 12000
±0.1%
10ms/channel
(Sampling cycle)
20ms
Voltage: ±15V
current: ±30mA
: Compatible,
Compatibility Precautions for replacement
High resolution mode
Maximum
resolution
0.625mV
0.416mV
0.333mV
0.333mV
0.625mV
0.333mV
1.66µA
1.33µA
1.33µA
1.33µA
: Partial change required, ×: Incompatible
As concept of gain value is
changed, refer to Q68AD-G
[User's Manual] and then,
confirm the I/O characteristics.
The conversion speed of
Q68AD-G to A68AD has
become slow. If fast
conversion speed is required
for control, the Q64AD is
recommended.
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