Siemens 6ES7331-7PF01-0AB0 SIMATIC S7-300 RTD Analog Input Module
Siemens SIMATIC S7-300
8-Channel Analog Input
RTD Temperature Measurement
Place of Origin:
Germany
Brand Name:
Siemens
Siemens SIMATIC S7-300
,8-Channel Analog Input
,RTD Temperature Measurement
Siemens 6ES7331-7PF01-0AB0 Analog Input Module
The SIMATIC S7-300 SM 331 is an isolated, eight-channel analog input module for resistance and RTD measurement. It supports specified Pt and Ni sensors with 2-, 3- or 4-wire connections.
Product Overview
Technical Specifications
| Order number | 6ES7331-7PF01-0AB0 |
|---|---|
| Module type | Isolated analog input module, SM 331 |
| Number of inputs | 8 analog inputs |
| Measurement types | Resistance and RTD measurement |
| Supported sensors | Pt100, Pt200, Pt1000, Ni100, Ni120, Ni200, Ni500 and Ni1000 |
| Connection methods | 2-wire, 3-wire and 4-wire |
| Resolution | 16-bit characteristics according to GOST; internal 24-bit representation |
| Conversion time | 50 ms |
| Front connector | 1 × 40-pin |
| Product lifecycle | Product phase-out effective 1 October 2023 |
| Net weight | 0.327 kg |
| Packaging dimensions | 12.80 × 15.00 × 5.00 cm |
Measurement and configuration notes
The module measures resistance and supported RTD signals. Sensor characteristics, measurement ranges and input parameters depend on the selected configuration. Two-, three- and four-wire connections are supported for the applicable measurement arrangements.
Use the specified 40-pin front connector for the module interface.
Application & Failure Scenarios
System application
Used in SIMATIC S7-300 automation systems to acquire resistance and temperature signals from supported sensors.
Common sourcing situations
Maintenance teams may search for this module when input readings are missing or implausible, a module fault is suspected, or an existing installation requires a matching part.
Downtime risk
Loss of measurement signals can affect process monitoring and control functions that depend on those inputs.
Supply & Service
Provide Part Number, Quantity, Destination, Required Date and Machine/System Model.
AMIKON Industrial Supply
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Talk to Our Sourcing Team
Contact Miya Zheng for part identification, availability checks and quotation requests. Include your part number and delivery requirements.
The Siemens 6ES7331-7PF01-0AB0 datasheet identifies the module's measurement functions, sensor types and connection options for product identification and maintenance planning.
Frequently Asked Questions
1. What is the Siemens 6ES7331-7PF01-0AB0 used for?
It is an SM 331 analog input module for SIMATIC S7-300 systems, used for resistance and supported RTD measurement across eight inputs.
2. Which sensors are supported?
The listed sensor types include Pt100, Pt200, Pt1000, Ni100, Ni120, Ni200, Ni500 and Ni1000.
3. Which wiring arrangements are available?
The module supports 2-wire, 3-wire and 4-wire connections for the applicable measurement arrangements.
4. Is this module still in production?
Siemens lists the product as entering phase-out effective 1 October 2023. Contact AMIKON to check current sourcing availability and the offered item's condition.
5. What information is needed for a quotation?
Provide the full part number, quantity, destination, required date and machine/system model.
Related Models
Additional industrial automation and control part numbers for sourcing reference. Listing here does not indicate direct compatibility or replacement suitability.
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