SIEMENS PLC SM331 6ES7331-1KF02-0AB0

About SIEMENS PLC SM331 6ES7331-1KF02-0AB0

General Information

• Backplane bus supply: 5 V DC, max. 90 mA

• Typical power loss: 0.4 W

• Number of analog inputs: 8

Input Specifications

Voltage Inputs

• 010 V, 15 V, -11 V, -1010 V, -55 V, -5050 mV, -500500 mV

• Input resistance: 100 k

• Max permissible voltage (destruction limit): 30 V (12 V continuous)

Current Inputs

• 020 mA, -2020 mA, 420 mA

• Input resistance: 100

• Max permissible current: 40 mA

Resistance Measurement

• 0600 , 06000

• Input resistance: 100 M

Resistance Thermometer (RTD)

• Pt100, Ni100, Ni1000, LG-Ni1000

• Input resistance: 100 M

• Standard/climate configurable

Thermocouples: Not supported

Analog Value Generation

• Resolution (including sign): 13-bit

• Conversion time: 66 / 55 ms

• Integration time: 60 / 50 ms (parameterizable)

• Interference suppression: 50 / 60 Hz

Accuracy / Errors

• Voltage: 0.6% (operating), 0.4% (basic, 25 C)

• Current: 0.5% (operating), 0.3% (basic, 25 C)

• Resistance: 0.5% (operating), 0.3% (basic, 25 C)

• Resistance thermometer: 1 K (operating), 0.81 K (basic)

Encoders / Connections

• Voltage, 2/4-wire current, 24 wire resistance supported

• Required front connector: 40-pin

• Max cable length shielded: 200 m (50 m at 50 mV signals)

Diagnostics

• Diagnostics function: No

• Alarms: No

• Group error LED: No

Potential Separation & Isolation

• Between channels: No

• Between channels and backplane bus: Yes

• Isolation tested: 500 V DC

Dimensions & Weight

• Width: 40 mm

• Height: 125 mm

• Depth: 117 mm

• Weight: 250 g 

Technical Details