Name: 6ES7431-7QH00-0AB0
Brand: Siemens
SKU: 6ES7431-7QH00-0AB0
Availability: LimitedAvailability

Specifications

Inputs & Signal Ranges

6ES7431-7QH00-0AB0 — Inputs & Signal Ranges
Parameter	Value
Number of analog inputs	16
Current input range	Yes
Voltage input range	Yes
Resistance measuring ranges	Yes
RTD support (resistance thermometer)	Yes
Thermocouple support (types)	Yes
Input range: 0 to 20 mA	Yes
Input range: 4 to 20 mA	Yes
Input range: -10 to +10 V	Yes
Input range: -5 to +5 V	Yes
Input range: -80 to +80 mV	Yes
Input range: 0 to 600 Ohm	Yes
RTD type: Pt100	Yes
RTD type: Pt200	Yes
Current measurement: 2-wire transducer	Yes
Current measurement: 4-wire transducer	Yes
Input resistance (0 to 20 mA)	50 Ω
Input resistance (4 to 20 mA)	50 Ω
Input resistance (-10 to +10 V)	1 MΩ
Permissible input voltage, max. (destruction limit)	18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)
Permissible input current, max. (destruction limit)	40 mA
Max. shielded signal cable length	200 m; 50 m with thermocouples and input ranges ≤ 80 mV

Measurement Performance

6ES7431-7QH00-0AB0 — Measurement Performance
Parameter	Value
Resolution (bit incl. sign), max.	16 bit; 16 / 16 / 16
Temperature measurement error (±)	0.004 %/K
Voltage measurement error (±)	0.15 %; ±0.15% at ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 V to 5 V, ±10 V; ±0.17% at ±80 mV; ±0.19% at ±50 mV; ±0.23% at ±25 mV
Current measurement error (±)	0.15 %; at 0 to 20 mA, ±5 mA, ±10 mA, ±20 mA, 4 to 20 mA
Interference voltage suppression (at interference frequency)	400 / 60 / 50 Hz

Diagnostics & Monitoring

6ES7431-7QH00-0AB0 — Diagnostics & Monitoring
Parameter	Value
Diagnostic alarm	Yes; Parameterizable
Diagnostics function	Yes; Parameterizable
Limit value alarm	Yes; Parameterizable

Isolation

6ES7431-7QH00-0AB0 — Isolation
Parameter	Value
Isolation: channels to backplane bus	Yes
Isolation: between channels	No
Isolation test voltage	2 120 V DC between bus and L+/M; 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog section and L+/M; 2 120 V DC between analog section and local ground; 2 120 V DC between L+/M and local ground

Power

6ES7431-7QH00-0AB0 — Power
Parameter	Value
Rated value (DC)	24 V; Only required for supplying 2-wire transmitters
Power loss, typ.	4.5 W
Reverse polarity protection	Yes

Mechanical

6ES7431-7QH00-0AB0 — Mechanical
Parameter	Value
Width	25 mm
Height	290 mm
Depth	210 mm
Weight, approx.	500 g

Product details

Overview

The 6ES7431-7QH00-0AB0 is a Siemens SM 431 analog input module with 16 inputs, accepting 18 V DC and drawing 4.5 W. It supports RTD types Ni100, Pt200, Pt500, and thermocouple types B, E, J, K, L, N, R, S, T, and U. RoHS compliance dates from 01-03-08.

Lifecycle & availability

Siemens has not published an official lifecycle status for the 6ES7431-7QH00-0AB0. For a BOM-fill or line-down need, submit an RFQ to confirm current availability and lead time. No direct successor has been announced.

Specifications

Inputs & Signal Ranges

6ES7431-7QH00-0AB0 — Inputs & Signal Ranges
Parameter	Value
Number of analog inputs	16
Current input range	Yes
Voltage input range	Yes
Resistance measuring ranges	Yes
RTD support (resistance thermometer)	Yes
Thermocouple support (types)	Yes
Input range: 0 to 20 mA	Yes
Input range: 4 to 20 mA	Yes
Input range: -10 to +10 V	Yes
Input range: -5 to +5 V	Yes
Input range: -80 to +80 mV	Yes
Input range: 0 to 600 Ohm	Yes
RTD type: Pt100	Yes
RTD type: Pt200	Yes
Current measurement: 2-wire transducer	Yes
Current measurement: 4-wire transducer	Yes
Input resistance (0 to 20 mA)	50 Ω
Input resistance (4 to 20 mA)	50 Ω
Input resistance (-10 to +10 V)	1 MΩ
Permissible input voltage, max. (destruction limit)	18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)
Permissible input current, max. (destruction limit)	40 mA
Max. shielded signal cable length	200 m; 50 m with thermocouples and input ranges ≤ 80 mV

Measurement Performance

6ES7431-7QH00-0AB0 — Measurement Performance
Parameter	Value
Resolution (bit incl. sign), max.	16 bit; 16 / 16 / 16
Temperature measurement error (±)	0.004 %/K
Voltage measurement error (±)	0.15 %; ±0.15% at ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 V to 5 V, ±10 V; ±0.17% at ±80 mV; ±0.19% at ±50 mV; ±0.23% at ±25 mV
Current measurement error (±)	0.15 %; at 0 to 20 mA, ±5 mA, ±10 mA, ±20 mA, 4 to 20 mA
Interference voltage suppression (at interference frequency)	400 / 60 / 50 Hz

Diagnostics & Monitoring

6ES7431-7QH00-0AB0 — Diagnostics & Monitoring
Parameter	Value
Diagnostic alarm	Yes; Parameterizable
Diagnostics function	Yes; Parameterizable
Limit value alarm	Yes; Parameterizable

Isolation

6ES7431-7QH00-0AB0 — Isolation
Parameter	Value
Isolation: channels to backplane bus	Yes
Isolation: between channels	No
Isolation test voltage	2 120 V DC between bus and L+/M; 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog section and L+/M; 2 120 V DC between analog section and local ground; 2 120 V DC between L+/M and local ground

Power

6ES7431-7QH00-0AB0 — Power
Parameter	Value
Rated value (DC)	24 V; Only required for supplying 2-wire transmitters
Power loss, typ.	4.5 W
Reverse polarity protection	Yes

Mechanical

6ES7431-7QH00-0AB0 — Mechanical
Parameter	Value
Width	25 mm
Height	290 mm
Depth	210 mm
Weight, approx.	500 g

Product details

Siemens 6ES7431-7QH00-0AB0 SM 431 analog input module

Specifications

Inputs & Signal Ranges

Measurement Performance

Diagnostics & Monitoring

Isolation

Power

Mechanical

Product details

Overview

Lifecycle & availability

Siemens 6ES7431-7QH00-0AB0 SM 431 analog input module

Specifications

Inputs & Signal Ranges

Measurement Performance

Diagnostics & Monitoring

Isolation

Power

Mechanical

Product details

Overview

Lifecycle & availability

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