About SIEMENS PLC MODULES 6ES7331-7NF00-0AB0

Siemens PLC Modules 6ES7331-7NF00-0AB0 are designed for industrial applications, offering reliable performance and seamless integration. With electric power mode and a standard size, this PLC module ensures efficient operation in industrial settings. The product comes with a 1-year warranty, providing peace of mind to users. The brand new condition of the module guarantees high quality and durability. Its sleek grey color adds a professional touch to the setup, making it suitable for various industrial environments.

Data Sheet 6ES7331-7NF00-0AB0

SIMATIC S7-300 | Analog Input Module SM 331 (Isolated) 8 AI: 5/10 V, 15 V, 20 mA, 0/420 mA | 16-bit | Single Rooting (50 V COM) Connector: 1 40-pole

Input Current

• From backplane bus (5 V DC), max.: 130 mA

Power Loss

• Typical power loss: 0.6 W

Analog Inputs

• Number of analog inputs: 8

• Max permissible input voltage (destruction limit): 50 V (permanent)

• Max permissible input current (destruction limit): 32 mA

Input Ranges

Voltage Inputs

• 1 to 5 V Yes, Input resistance: 2 M

• -10 V to +10 V Yes, Input resistance: 2 M

• -5 V to +5 V Yes, Input resistance: 2 M

• Others: No

Current Inputs

• 0 to 20 mA Yes, Input resistance: 250

• -20 mA to +20 mA Yes, Input resistance: 250

• 4 to 20 mA Yes, Input resistance: 250

• Others: No

Thermocouples

All thermo couple types Not supported

RTD (Resistance Thermometer)

All RTD types Not supported

Resistor Measurement

All resistance ranges Not supported

Cable Length

• Shielded cable: Max. 200 m

Analog Value Generation

• Resolution (max.): 16 bit

  • Unipolar: 15/15/15/15 bit

  • Bipolar: 15 bit + sign (all ranges)

• Integration time (parameterizable): 10 / 16.67 / 20 / 100 ms

• Interference suppression (f1): 400 / 60 / 50 / 10 Hz

Encoder Connection

• For voltage measurement: Yes

• 2-wire current transmitter: Yes, with external supply

• 4-wire current transmitter: Yes

Error/Accuracy

Operational Error (Full Temperature Range)

• Voltage: 0.1% (at Ucm = 0 V) or 0.7% (at Ucm = 50 V)

• Current: 0.3% (at Ucm = 0 V) or 0.9% (at Ucm = 50 V)

Basic Error (at 25 C)

• Voltage: 0.05%

• Current: 0.05%

Diagnostics / Status

• Diagnostics function: Yes (parameterizable)

• Diagnostic alarm: Yes

• Limit value alarm (channels 0 & 2): Yes

• Diagnostic info readable: Yes

• LED indication:

  • SF (red): Yes

Isolation / Potential Separation

• Between channels: No

• Between channel groups (2-channel groups): Yes

• Between channels and backplane bus: Yes

• Isolation test: 500 V DC

Connection Method

• Required front connector: 40-pin

Dimensions & Weight

• Width: 40 mm

• Height: 125 mm

• Depth: 117 mm

• Approx. weight: 272 g 

Technical Details