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Siemens SIMATIC S7-400 SM 431 Analog Input Module 6ES7431-0HH00-0AB0
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
- Product Overview
- Key Functions
- Official Specifications
- Frequently Asked Questions
- Compatibility & Ordering Notes
- Hot Selling Models
- Recommended Products
Overview
Siemens • SIMATIC S7-400
6ES7431-0HH00-0AB0 SIMATIC S7-400 SM 431 Analog Input Module
The Siemens SIMATIC S7-400 SM 431 is a non-isolated analog input module for voltage and current signals with 13-bit conversion and configurable 50 or 60 Hz integration.
At a Glance
| Brand | Siemens |
|---|---|
| Model | 6ES7431-0HH00-0AB0 |
| Product Type | Non-isolated analog input signal module |
| Core Function | Acquires voltage and current process signals for an S7-400 controller |
| Application or Compatible Series | SIMATIC S7-400 racks using voltage, two-wire or four-wire current transmitters |
Exact Identification
Match 6ES7431-0HH00-0AB0 character by character and confirm the complete SIMATIC S7-400 SM 431 Analog Input Module designation.
Interface Arrangement
Confirm the installed supply, ports, field connections and required accessories before wiring the replacement.
Configuration Check
Preserve the approved engineering project, network parameters and application data used by the installed system.
Product Overview
The Siemens SIMATIC S7-400 SM 431 is a non-isolated analog input module for voltage and current signals with 13-bit conversion and configurable 50 or 60 Hz integration.
The module accepts bipolar and unipolar voltage ranges together with bipolar and 4 to 20 mA current signals. A 24 V load supply can power connected two-wire transmitters. Configurable integration at 50 or 60 Hz supports rejection of line-frequency interference.
Key Functions
Flexible Signal Ranges
The module accepts bipolar and unipolar voltage ranges together with bipolar and 4 to 20 mA current signals.
Integrated Two-Wire Supply
A 24 V load supply can power connected two-wire transmitters.
Interference Rejection
Configurable integration at 50 or 60 Hz supports rejection of line-frequency interference.
Official Specifications
| Two-Wire Transmitter Supply | 24 V DC |
|---|---|
| Maximum Load-Supply Current | 400 mA for 16 fully controlled two-wire transmitters |
| Maximum Backplane Current at 5 V | 100 mA |
| Typical Power Loss | 2 W |
| Analog Input Channels | 16 |
| Maximum Permanent Voltage at an Input | 20 V DC |
| Short-Duration Voltage Limit | 75 V DC for up to 1 s at a 1:20 duty factor |
| Maximum Current at an Input | 40 mA |
| Supported Voltage Ranges | 1 to 5 V, -1 to +1 V and -10 to +10 V |
| Supported Current Ranges | -20 to +20 mA and 4 to 20 mA |
| Input Resistance at 1 to 5 V | 100 kΩ |
| Input Resistance at -1 to +1 V | 10 MΩ |
| Input Resistance at -10 to +10 V | 100 kΩ |
| Input Resistance for Current Ranges | 50 Ω |
| Maximum Shielded Cable Length | 200 m |
| Maximum Resolution | 13 bit including sign and overrange |
| Basic Conversion Time per Channel | 55 or 65 ms |
| Integration Time | 50 or 60 ms |
| Linearity Error | ±0.05% of input range |
| Minimum Crosstalk Rejection | 50 dB |
Frequently Asked Questions
Which process signals can 6ES7431-0HH00-0AB0 read?
The channels accept the documented voltage ranges and either bipolar or 4 to 20 mA current signals.
Can 6ES7431-0HH00-0AB0 power two-wire transmitters?
Yes; the 24 V load connection can supply the configured two-wire channels.
How should 50 Hz interference be handled on 6ES7431-0HH00-0AB0?
Select the matching 50 Hz integration setting in the hardware parameters.
Can resistance thermometers connect directly to 6ES7431-0HH00-0AB0?
No; this variant is intended for voltage and current measurement rather than RTD or resistance inputs.
What is the maximum shielded cable length for 6ES7431-0HH00-0AB0?
A shielded signal cable can be up to 200 m under the specified installation conditions.
Is channel smoothing configurable on 6ES7431-0HH00-0AB0?
No; measured-value smoothing is not parameterizable on this module.
What should be checked before replacing 6ES7431-0HH00-0AB0?
Record every measuring range, integration setting, transmitter supply, channel address and terminal assignment.
Compatibility & Ordering Notes
Compatibility Checklist
- Use the module only in an S7-400 rack configuration containing this exact SM 431 hardware entry.
- Confirm that every transmitter matches the selected voltage or current range and input resistance.
- Restore channel parameters and verify the common reference potential before energizing the field circuits.
