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.
| Items | Specifications | |||
| Model | AAI135 (*1) | AAI835 (*1) | ||
| Number of I/O channels | 8-channel input, isolated channels | 4-channel input/4-channel output, isolated channels | ||
| I/O signal | 4 to 20 mA | Input: 4 to 20 mA | Output: 4 to 20 mA | |
| Allowable input current | 25 mA | 25 mA | — | |
|
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) | ||
| Input resistance | Power ON | 290 Ω (at 20 mA) to 450 Ω (at 4 mA) (*3) | ||
| Power OFF | 500 kΩ or larger | |||
| Allowable load resistance | — | — | 0 to 750 Ω (*4) | |
| Circuit-open detection |
|
| Less than 0.65 mA | |
| Accuracy | ±16 µA | Input: ±16 µA | Output: ±48 µA | |
| Data update period | 10 ms | |||
| 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) |
| |
| Temperature drift | ±16 µA/10 °C | |||
| Maximum current consumption | 360 mA (5 V DC), 450 mA (24 V DC) | 360 mA (5 V DC), 450 mA (24 V DC) | ||
| Weight | 0.3 kg | |||
| External connection | Pressure clamp terminal, MIL connector cable, dedicated cable (KS1) | |||
| HART communication (*6) | Available | Available | ||
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 |
