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MELSEC-A
1 OVERVIEW
1.2 Comparison with A1S63ADA
The following is a comparison with the conventional analog I/O module (A1S63ADA).
1. Number of channels
Type A1S66ADA
A1S63ADA
Output
2 channels
1 channel
Number of
channels
Input
4 channels
2 channels
2. Maximum conversion speed
Type A1S66ADA
A1S63ADA
D/A
conversion
240
μ
s/2 channels or below
(Resolution 1/4000)
Conversion speed
A/D
conversion
400
μ
s/4 channels or below
(Resolution 1/4000)
1
μ
s/CH (Resolution 1/4000)
2
μ
s/CH (Resolution 1/8000)
3
μ
s/CH (Resolution 1/12000)
3. D/A conversion
A1S66ADA A1S63ADA
Type
Voltage output
Current output
Voltage output
Current output
Digital input
0 to 4000 (12 - bit binary value)
-4000 to 4000
(Resolution 1/4000)
-8000 to 8000
(Resolution 1/8000)
-12000 to 12000
(Resolution 1/12000)
0 to 4000
(Resolution 1/4000)
0 to 8000
(Resolution 1/8000)
0 to 12000
(Resolution 1/12000)
Analog output
Voltage: -10 to 10 V DC
(External load resistance 2 k
Ω
to 1 M
Ω
)
Current: 0 to 20 mA DC
(External load resistance 0
Ω
to 600
Ω
)
Voltage: -10 to 0 to 10 V DC
(External load resistance 2 k
Ω
to 1 M
Ω
)
Current: -20 to 20 mA DC
(External load resistance 0
Ω
to 600
Ω
)
4. A/D conversion
Type A1S66ADA
A1S63ADA
Analog input
Voltage: -10 to 0 to 10 V DC
(Input resistance 1 M
Ω
)
Current: 0 to 20 mA DC
(Input resistance 250
Ω
)
Voltage: -10 to 0 to 10 V DC (Input resistance 1 M
Ω
)
Current: -20 to 20 mA DC (Input resistance 250
Ω
)
Digital output
0 to 4095 (12 - bit binary value)
-4096 to 4095 (Resolution 1/4000)
-8192 to 8191 (Resolution 1/8000)
-12288 to 12287 (Resolution 1/12000)
5. Accuracy
Type A1S66ADA
A1S63ADA
Accuracy
Within ± 1 %
Содержание A1S66ADA
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