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PRODUCT DETAILS · SIEMENS SIMATIC S7-400

6ES7431-0HH00-0AB0

SM 431 Analog Input Module

PRODUCT IDENTITY

Siemens 6ES7431-0HH00-0AB0 SIMATIC S7-400 SM 431 Analog Input Module is a 16-channel, non-isolated analog input module with 13-bit resolution for voltage and current signals in S7-400 automation systems.

CONDITION

New Original

WARRANTY

One year

AVAILABILITY

In stock

RELATED MODELS

SPECIFICATIONS · OFFICIAL PRODUCT DATA

Signal performance and compliance

PRODUCT DESCRIPTION

The SM 431 converts sixteen voltage or current process signals into digital values for the S7-400 controller. Measurement ranges are parameterized in STEP 7, allowing different supported voltage and current ranges to operate in parallel. A 24 V DC load supply is only required when the module supplies connected two-wire transmitters.

CERTIFICATIONS & STANDARDS

◆ EMC conformity / approval

◆ FM hazardous-location approval

◆ Type-examination certificate

◆ Maritime approvals: NK and CCS

OFFICIAL TECHNICAL DATA

PRODUCT DESIGNATION SM 431 analog input	ANALOG INPUTS 16 voltage/current channels
RESOLUTION Maximum 13 bit	CHANNEL ISOLATION Non-isolated
VOLTAGE RANGES 1–5 V, ±1 V, ±10 V	CURRENT RANGES ±20 mA and 4–20 mA
LOAD SUPPLY 24 V DC for 2-wire transmitters	BACKPLANE CURRENT Maximum 100 mA at 5 V DC
CONVERSION TIME 55/65 ms per channel	SHIELDED CABLE LENGTH Maximum 200 m

RECOMMAND · APPLICATION GUIDANCE

Operational checks and related models

DIAGNOSTICS & PROTECTION

Check measuring-range parameters, channel wiring, 24 V transmitter supply and input overrange conditions before replacing the module.

OPERATING ENVIRONMENT

Mount in a SIMATIC S7-400 rack with correct shielding and grounding; keep analog signal cables separated from interference sources.

Identification and verification support

SERVICE PROCESS

Identify

Confirm the complete model and installed configuration.

Verify

Check revision, condition and compatibility details.

FIXED DISCLAIMER

Trademark and
distribution notice

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