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