SIEMENS PLC-300-6ES7331-7PF01-0AB0

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SIEMENS PLC-300-6ES7331-7PF01-0AB0 Specification

Humidity %
95 %

Operating Temperature
-20 TO +60 Celsius (oC)

Mounting Type
Rack Mount

Protection Level
IP20

Frequency (MHz)
50 Hertz (HZ)

Rated Voltage
24V DC Volt (V)

Color
Black

Dimension (L*W*H)
40 x 125 x 120 Millimeter (mm)

Weight
272 Grams (g)

Warranty
1 Year

Input Voltage
240 Milliamperes (mA)

Material
Aluminium

About SIEMENS PLC-300-6ES7331-7PF01-0AB0

SIMATIC S7-300, Analog input SM 331, isolated, 2/3/4-wire, 8 AI, Resistor, Pt100/200/1000 NI100/120/200/500/1000, CU10, characteristics according to GOST 16 (internal 24) bit, 50ms, 1x 40-pole

SIMATIC S7-300 Analog Input Module SM 331 (6ES7331-7PF01-0AB0)

Type: Analog input module, isolated, 2/3/4-wire
Channels: 8 AI
Supported Sensors: Resistor, Pt100/Pt200/Pt500/Pt1000, Ni100/Ni120/Ni200/Ni500/Ni1000, Cu10
Resolution: 16-bit
Module Width: 40 mm
Height: 125 mm
Depth: 120 mm
Weight: 272 g
Front Connector: 40-pin

Supply Voltage

Load voltage L+: 24 V DC (reverse polarity protected)
Current from L+ (without load): max. 240 mA
Current from backplane bus 5 V DC: max. 100 mA
Power loss: typ. 4.6 W

Analog Inputs

Number of Inputs: 8
Input Types: Resistance, Resistance Thermometer (Pt, Ni, Cu)
Input Voltage: max 75 V (35 V continuous)
Input Ranges:
- Resistance: 0150 , 0300 , 0600
- RTDs: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10
Linearization: Parameterizable for RTDs
Cable Length: Max. 200 m (shielded)

Conversion & Sampling

Resolution: 16-bit (Two's complement)
Integration time: Parameterizable
Basic conversion time:
- 14 channels: 10 ms/module
- 5+ channels: 190 ms/module
- 8 channels: 80 ms/module
Interference suppression: 50/60/400 Hz

Encoder Connections

2-wire, 3-wire, 4-wire connection supported for resistors

Accuracy / Errors

Operational error limit (overall temp):
- Resistance: 0.1%
- RTD: 1 K
Basic error limit (25C):
- Resistance: 0.05%
- RTD: 0.5 K

Diagnostics & Alarms

Diagnostic alarm: Parameterizable per group
Limit value alarm: Parameterizable
Hardware interrupts: Channels 07
Diagnostic info readable
LEDs: Group error SF (red)

Potential Separation & Isolation

Analog inputs: isolated between channels and groups
Isolation tested: 500 V DC
Between channels and backplane bus: Yes
Between channels and electronics power supply: Yes

Specification	Details
Product Name / Model	6ES7331-7PF01-0AB0
Voltage	24 V DC
Input current	240 mA
Power loss	4.6 W
Isolation	500 V DC
Connection method	40-pin
Operation temperature	-20 - +60 Degree C
Dimensions	40 x 125 x 120 mm
Net weight	272 g