General Information

• Brand: Siemens
• Part Number: 6ES7232-4HD32
• Product Series: SIMATIC S7-1200
• Product Type: Analog Output Module
• Compatibility: Exclusively compatible with S7-1200 CPU systems; configurable via TIA Portal (Totally Integrated Automation Portal) software.

Technical Specifications

1. Output Configuration

• Analog Output Channels: 4 independent channels (isolated between channels to prevent signal interference)
• Supported Signal Types:
  • Voltage output: 0–10V DC, ±10V DC, 0–5V DC, ±5V DC
  • Current output: 0–20mA DC, 4–20mA DC
• Resolution: 12 bits (for voltage signals); 11 bits + sign (for current signals)
• Conversion Time: ≤ 10ms per channel (typical value, ensuring real-time control response)
• Output Accuracy:
  • Basic error: ±0.1% of full scale (at 25°C, reference to the selected signal range)
  • Temperature drift: ±0.005% of full scale per Kelvin (reduces accuracy loss in variable temperature environments)
• Load Capacity:
  • Voltage output: Minimum load resistance 1kΩ (prevents overload damage)
  • Current output: Minimum load resistance 250Ω, maximum load resistance 750Ω (matches common industrial actuator impedance)

2. Power Supply

• Module Power: Powered by the S7-1200 backplane bus (no external power supply required for module operation)
• Load Power: Derived from an external 24V DC power supply (must be compatible with the module’s signal output range)

3. Operating Environment

• Temperature Range:
  • Operating: -10°C to +60°C (suitable for most industrial on-site conditions)
  • Storage: -25°C to +70°C (protects the module during transportation and storage)
• Humidity: 5%–95% (non-condensing, compliant with IEC 61131-2 standards to avoid moisture-induced faults)
• Electromagnetic Compatibility (EMC): Complies with EN 61000-6-2 (industrial environment) and EN 61000-6-4 (emission requirements), resisting electromagnetic interference from nearby equipment
• Vibration/Shock Resistance:
  • Vibration: 5Hz–150Hz, 0.5g acceleration (IEC 60068-2-6)
  • Shock: 15g acceleration (11ms duration, IEC 60068-2-27), adapting to mechanical impacts during installation and operation

4. Mechanical Characteristics

• Dimensions (W×H×D): 45mm × 100mm × 75mm (compact design, saving installation space in control cabinets)
• Mounting Method: DIN rail mounting (conforms to IEC 60715, 35mm standard rail; easy to install and disassemble)
• Protection Level: IP20 (front panel; prevents dust and small debris from entering internal components, ensuring long-term stability)

Functional Features

1. Channel Isolation: Each analog output channel is electrically isolated, avoiding cross-interference between channels and improving signal output stability.
2. Flexible Signal Configuration: Supports multiple voltage and current output ranges, which can be set via TIA Portal to match different actuators (e.g., valves, variable-speed drives, analog meters).
3. Status Monitoring: Equipped with LED indicators for each channel (green: normal operation; red: fault) and a global SF (System Fault) LED, enabling quick identification of channel or module-level faults.
4. Fault Protection: Built-in overcurrent and short-circuit protection for output channels; automatically limits current when faults occur to prevent module damage.
5. Calibration Function: Supports on-site calibration via software (TIA Portal), eliminating accuracy deviations caused by long-term use or environmental changes.

Application Areas

• Process Control: Used in chemical, petroleum, and water treatment industries to control analog actuators such as control valves (adjusting flow/pressure) and variable-frequency drives (regulating motor speed).
• Manufacturing Automation: Applied in automotive assembly lines, electronic component production, and packaging machinery to control precision equipment (e.g., positioners, temperature regulators).
• Building Automation: Suitable for HVAC (Heating, Ventilation, and Air Conditioning) systems to adjust fan speeds, valve openings, and temperature setpoints.
• Test & Measurement Systems: Converts digital control signals into stable analog outputs for calibrating sensors, meters, or other test equipment.