SIMATIC S7-400, analog output SM 432, isolated 8 AO

About SIMATIC S7-400, analog output SM 432, isolated 8 AO

Siemens S7-400 Analog Output Module SM 432 (8 AO, Isolated)

Part Number: 6ES7432-1HF00-0AB0

General Information

• Module Type: Analog output module, isolated

• Number of Outputs: 8

• Resolution: 13-bit (U/I)

• Output Types: Voltage and Current

Supply Voltage

• Rated Value: 24 V DC

• Reverse Polarity Protection: Yes

• Input Current:

  • Without load: Max. 200 mA

  • At rated load: Max. 400 mA

  • Backplane bus 5 V DC: Max. 150 mA

• Power Loss: Typ. 9 W

Analog Outputs

• Voltage Outputs: Short-circuit protected, max. 30 mA short-circuit current

• Current Outputs: Max. no-load voltage 19 V

• Output Ranges (Voltage): 010 V, 15 V, -10+10 V

• Output Ranges (Current): 020 mA, -20+20 mA, 420 mA

• Load Impedance:

  • Voltage outputs: Min. 1 k, capacitive max. 1 F

  • Current outputs: Max. 500 (600 if common-mode voltage <1 V)

• Cable Length: Shielded, max. 200 m

Analog Value Generation

• Resolution: 13-bit (including sign)

• Conversion Time: 420 s per channel (300 s for all ranges)

• Settling Time:

  • Resistive load: 0.1 ms

  • Capacitive load: 3.5 ms

  • Inductive load: 0.5 ms

Errors / Accuracy

• Operational Error Limit:

  • Voltage: 0.5% of range (010 V, 15 V, 10 V)

  • Current: 1% of range (020 mA, 420 mA, 20 mA)

• Basic Error Limit (25 C):

  • Voltage: 0.5%

  • Current: 0.5%

Diagnostics / Status

• Diagnostics Function: No

Potential Separation & Isolation

• Between Channels: No

• Between Channels and Backplane Bus: Yes

• Between Channels and Load Voltage L+: Yes

• Isolation Tested:

  • Bus to L+/M: 2120 V DC

  • Bus to Analog Section: 2120 V DC

  • Bus to Local Ground: 500 V DC

  • Analog Section to L+/M: 500 V DC

  • Analog Section to Local Ground: 2120 V DC

  • L+/M to Local Ground: 2120 V DC

Dimensions & Weight

• Width: 25 mm

• Height: 290 mm

• Depth: 210 mm

• Weight: Approx. 650 g 

Technical Details