Yokogawa DCS Module AAB842[Product print page]

Items

Specifications

Model

AAI841 (*1)

AAB841 (*5)

AAB842(*5)(*6)(*7)

Number of I/O channels

8-channel input/8-channel output, non-isolated

8-channel input/8-channel output, non-isolated(differential input)

8-channel input/8-channel output (differential input at voltage input)

I/O signal

Input: 4 to 20 mA

Output: 4 to 20 mA

Input: 1 to 5 V(allowable common mode voltage ±1 V or more)

Output: 4 to 20 mA

Input(*8) Voltage input: 1 to 5 V DC (allowable common mode voltage ± 1 V or less), Current input: 4 to 20 mA DC

Output: 4 to 20 mA DC

Allowable input current/voltage

25 mA

—

±7.5 V

—

Withstanding voltage

—

Input resistance

Power ON

400 Ω (at 20 mA) to 1000 Ω (at 4 mA) (*2)

—

1 MΩ or more

—

Power OFF

500 kΩ or more

—

340 kΩ or more

—

Allowable load resistance

—

0 to 750 Ω (*3)

—

0 to 750 Ω

0 to 750 Ω (*4)

Circuit-open detection

—

Less than 0.65 mA

—

Less than 0.65 mA

Less than 0.65 mA

Accuracy

Input: ±16 μA

output: ±48 μA

Input: ±4 mV

output: ±48 μA

±48 μA

Data update period

10 ms

Input step response time

100 ms

Output step response time

40 ms

Transmitter power supply

14.8 V or more (at 20 mA) 26.4 V or less (at 0 mA) (*4)

—

Setting of 2-wire or 4-wire transmitter

For each channel by setting pin

—

Temperature drift

±0.1 %/10 °C

Maximum current consumption

310 mA (5 V DC), 500 mA (24 V DC)

310 mA (5 V DC), 250 mA (24 V DC)

410 mA (5 V DC), 290 mA (24 V DC)

Weight

0.3 kg

External connection

Pressure clamp terminal, KS cable, MIL connector cable

KS Cable

HART communication (*5)

Available

—

Available (at Current input and output)