Siemens 9AC9100-2AA02 Analog Output Sub-Module

High‑Precision Signal Generation for S5 Systems

The Siemens 9AC9100-2AA02 analog output sub‑module converts digital setpoints into proportional analog signals for field devices. This unit drives actuators, valves, and speed controllers with high resolution and stability. Industrial processes depend on this module for accurate and repeatable signal output.

Output Specifications and Electrical Characteristics

This analog output sub‑module features 2 isolated channels, each providing a 12‑bit resolution for fine control. Users can configure each output for 0 to 10 V or 0/4 to 20 mA signals. The module delivers a typical accuracy of ±0.1% of full scale and includes short‑circuit protection on both outputs. Moreover, the unit updates each channel every 2 ms, ensuring fast response.

Parameter	Specification
Brand	Siemens
Model	9AC9100-2AA02
Number of Outputs	2 (isolated)
Resolution	12 bits
Output Ranges	0‑10 V, ‑10‑+10 V, 0‑20 mA, 4‑20 mA
Accuracy (25°C)	±0.1% of full scale
Load (current)	0‑500 Ω
Load (voltage)	> 2 kΩ
Update Rate	2 ms per channel
Protection	Short‑circuit (current limit)
Compatible Systems	SIMATIC S5, FM 458‑1
Dimensions	160 mm x 20 mm x 120 mm
Weight	Approx. 0.30 kg

System Integration and Configuration

This sub‑module interfaces directly with the S5 backplane bus and integrates seamlessly into FM 458‑1 application bases. Users can configure each channel independently for voltage or current output through the programming software. The module stores all calibration parameters in non‑volatile memory, retaining settings even during power cycles. Furthermore, the outputs default to a safe state upon communication loss, ensuring fail‑safe operation in critical loops.

Physical Design and Installation

The Siemens 9AC9100-2AA02 features a compact, plug‑in design suitable for dense rack configurations. Its lightweight construction simplifies installation into dedicated slots without complex cabling. A front connector provides clear access to the output terminals and shield connection, accommodating wires from 0.5 mm² to 2.5 mm².

Applications and Compatibility

This sub‑module typically supports application bases like FM 458‑1 in drive and process control systems. It generates setpoints for speed controllers and positions actuators in closed‑loop systems. The unit operates reliably from 0°C to 55°C and complies with standard industrial protection ratings.

Ordering and Lifecycle Status

The Siemens 9AC9100-2AA02 is classified as a spare part. Verify the hardware revision compatibility with your specific system version. Handle the module with proper ESD precautions to avoid internal component damage.