ABB GJR2394100R1210 81AA03B-E Analog Output Module

Parameter

Specification

Manufacturer

ABB

Model Number

81AA03B-E

Order Code / Part No.

GJR2394100R1210

Product Type

Analog Input/Output Module

System Compatibility

Procontrol P14 Series

Analog Inputs (AI)

4 channels

Analog Outputs (AO)

2 channels

Input Signal Range

0–10V, ±10V, 0–20mA, 4–20mA (configurable per channel)

Output Signal Range

0–10V, ±10V, 0–20mA, 4–20mA (configurable per channel)

Resolution

12-bit (input) / 12-bit (output)

Accuracy

±0.2% of full scale @ 25°C

Update Rate

20 ms (all channels)

What is the difference between the 81AA03B-E and the 81AA03C-E?

Both modules share the same catalog number GJR2394100R1210 and provide 4 analog inputs and 2 analog outputs. The 81AA03C-E is the newer revision featuring:
Improved accuracy: ±0.1% FS vs. ±0.2% FS
Faster update rate: 10 ms vs. 20 ms
Enhanced diagnostics (open-wire detection)
Updated component sourcing for extended lifecycle
The 81AA03B-E remains a fully functional, field-proven alternative suitable for most process control applications where maximum precision and speed are not critical.

How many analog inputs and outputs does the ABB 81AA03B-E provide?

The module provides 4 analog input channels and 2 analog output channels, offering a balanced configuration for typical process control loops requiring sensor feedback and actuator control.

What signal ranges are supported?

Both inputs and outputs support configurable ranges:
Voltage: 0–10V, ±10V
Current: 0–20mA, 4–20mA
Each channel can be configured independently to match connected field devices.

Can the 81AA03B-E be used with 4–20mA loop-powered transmitters?

Yes. The analog inputs support 4–20mA current signals and can be used with loop-powered two-wire transmitters when properly configured with external power supplies or with compatible termination panels.

What is the update rate for analog inputs on the 81AA03B-E?

All analog input channels are updated every 20 ms (50 Hz), which is sufficient for most process control applications including temperature, pressure, and flow control loops.