Siemens S7-300 8AO Expansion Module

About Siemens S7-300 8AO Expansion Module

The Siemens S7-300 8AO Expansion Module by Naksh Technology Solution LLP is a high-performance module designed to expand the capabilities of Siemens S7-300 PLC systems. This module provides 8 analog outputs (AO), enabling precise control of devices such as actuators, variable frequency drives, and other systems requiring analog signal output. With reliable and accurate performance, it ensures seamless integration into your automation setup and supports smooth control processes. The module integrates easily with the TIA Portal, making configuration and programming straightforward for enhanced flexibility and efficiency in complex industrial automation tasks.

SIMATIC S7-300 Analog Output SM 332

Isolated, 8 AO, U/I; diagnostics; resolution 11/12 bits; 40-pole; removing and inserting possible with active backplane bus.

Supply Voltage

• Load voltage L+

  • Rated value (DC): 24 V

  • Reverse polarity protection: Yes

Input Current

• From load voltage L+ (without load), max.: 340 mA

• From backplane bus 5 V DC, max.: 100 mA

Power Loss

• Power loss, typ.: 6 W

Analog Outputs

• Number of analog outputs: 8

• Voltage output, short-circuit protection: Yes

• Voltage output, short-circuit current, max.: 25 mA

• Current output, no-load voltage, max.: 18 V

Output Ranges Voltage

• 0 to 10 V: Yes

• 1 V to 5 V: Yes

• -10 V to +10 V: Yes

Output Ranges Current

• 0 to 20 mA: Yes

• -20 mA to +20 mA: Yes

• 4 mA to 20 mA: Yes

Load Impedance

• With voltage outputs, min.: 1 k

• Voltage output capacitive load, max.: 1 F

• Current outputs, max.: 500

• Inductive load, max.: 10 mH

Cable Length

• Shielded, max.: 200 m

Analog Value Generation

• Resolution with overrange:

  • 10 V, 20 mA, 420 mA, 15 V: 11 bit + sign

  • 010 V, 020 mA: 12 bit

• Conversion time (per channel): 0.8 ms

Settling Time

• Resistive load: 0.2 ms

• Capacitive load: 3.3 ms

• Inductive load:

  • 1 mH: 0.5 ms

  • 10 mH: 3.3 ms

Errors / Accuracies

Operational error limit

• Voltage: 0.5% of output range

• Current: 0.6% of output range

Basic error limit (25 C)

• Voltage: 0.4% of output range

• Current: 0.5% of output range

Interrupts / Diagnostics

• Diagnostics function: Yes (parameterizable)

• Diagnostic alarm: Yes

• Diagnostic information readable: Yes

• LED: Group error SF (red): Yes

Potential Separation

• Between channels: No

• Between channels & backplane bus: Yes

• Between channels & load voltage L+: Yes

• Between channels & electronics power supply: Yes

• Isolation tested with 500 V DC

Connection Method

• Required front connector: 40-pin

Dimensions

• Width: 40 mm

• Height: 125 mm

• Depth: 117 mm

Weight

• Approx.: 272 g 

Technical Details