SC Automation Limited
SC Automation Limited
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The current input module receives signal of 4 to 20 mA, and the current I/O module sends and receives signals of 4 to
20 mA. These modules are isolated between the field and the system as well as in between each channel. They can
be used in dual-redundant configuration.
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Items |
Specifications |
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Model |
AAI135 (*1) |
AAI835 (*1) |
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Number of I/O channels |
8-channel input, isolated channels |
4-channel input/4-channel output, isolated channels |
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I/O signal |
4 to 20 mA |
Input: 4 to 20 mA |
Output: 4 to 20 mA |
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Allowable input current |
25 mA |
25 mA |
— |
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Withstanding voltage |
Between input and system: 500 VAC, for 1 minute Between input channels: 500 VAC, for 1 minute (*2) |
Between input/output and system: 500 VAC, for 1 minute Between input/output channels: 500 VAC, for 1 minute (*2) |
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Input resistance |
Power ON |
290 Ω (at 20 mA) to 450 Ω (at 4 mA) (*3) |
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Power OFF |
500 kΩ or larger |
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Allowable load resistance |
— |
— |
0 to 750 Ω (*4) |
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Circuit-open detection |
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Less than 0.65 mA |
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Accuracy |
±16 µA |
Input: ±16 µA |
Output: ±48 µA |
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Data update period |
10 ms |
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Transmitter power supply |
15.0 V or higher (at 20 mA) 29.3 V or less (at 0 mA) (*5) |
15.0 V or higher (at 20 mA) 29.3 V or less (at 0 mA) (*5) |
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Temperature drift |
±16 µA/10 °C |
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Maximum current consumption |
360 mA (5 V DC), 450 mA (24 V DC) |
360 mA (5 V DC), 450 mA (24 V DC) |
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Weight |
0.3 kg |
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External connection |
Pressure clamp terminal, MIL connector cable, dedicated cable (KS1) |
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HART communication (*6) |
Available |
Available |
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Related Part Number:
| AAI135-S00 |
| AAI143-H00 |
| AAI143-H53 |
| AAI143-S50 |
| AAI543-S00 |
| AAI835-H00 |
| AAI835-H00/K4A00 |
| AAI835-S00 |
| AAI835-S50 |
| AAM51 |
| AAT145-S00 |
| ACCC01 |
| ACM12 |
| ACM12 |
| ADM11c |
| ADM12 |
| ADM52C |
| ADV151-P00 |
| ADV151-P50/D5A00 |
| ADV151-P63 |
| ADV151-P63/D5A00 |
| ADV159-P00 |
| ADV551 |
| ADV551-P50/D5A00 |
| ADV551-P63 |
