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ARTICLE NUMBER

6ES7231-0HF22-0XA0

SIMATIC S7-200 EM 231 8 AI Analog Input Module

WARRANTYOne year	AVAILABILITYIn stock
TEL+86 17359287459	EMAILsales9@apterpower.com

DIAGNOSTICS, PROTECTION & INSTALLATION

Multi-channel analog acquisition for established S7-200 stations

Built for installed SIMATIC S7-200 control systems, this expansion module consolidates process feedback signals in one serviceable I/O point. It supports disciplined retrofit work where channel assignments, shielding and engineering records must remain consistent through maintenance and lifecycle replacement.

Analog inputs8	Voltage range0 to 10 V DC	Current inputsUp to 2 channels	Current range0 to 20 mA
Resolution12/11 bit	CPU systemSIMATIC S7-22X	Signal typesVoltage and current	Module typeEM 231

DIAGNOSTICS & PROTECTION

INSTALLATION & UPGRADES

◆ The EXTF indicator supports rapid recognition of module-level faults.

◆ Defined electrical limits help protect analog measurement circuits during service.

◆ Separate range planning helps prevent incompatible sensor signals from being applied.

◆ Confirm the complete order code and S7-22X hardware compatibility.

◆ Retain existing channel assignments and shielding practice during replacement.

◆ Power down the station and verify configured input ranges before recommissioning.

BRAND CHARACTERISTICS

APPLICATION FIELDS

◆ Siemens S7-200 modular I/O supports structured expansion of compact controllers.

◆ Order-code-specific variants support exact lifecycle replacement.

◆ Documented signal ranges help standardize analog measurement design.

◆ Official engineering data supports commissioning and maintenance records.

◆ Process-variable acquisition in compact machine controls.

◆ Voltage and current feedback in utilities and auxiliary systems.

◆ Retrofit maintenance of installed S7-200 stations.

◆ Spare-parts programs for legacy automation equipment.

RECOMMENDED SELECTIONS

SIEMENS

6ES7141-5AF00-0BA0	6ES7141-5AH00-0BA0	6ES7141-5BF00-0BA0	6ES7142-5AF00-0BA0
6ES7143-5AF00-0BA0	6ES7143-5BF00-0BA0	6ES7143-5BF50-0BA0	6ES7143-5AH00-0BA0
6ES7144-5KD00-0BA0	6ES7144-5KD50-0BA0	6ES7146-5FF00-0BA0	6ES7157-1AB00-0AB0
6ES7157-1AA00-0AB0	6ES7157-1MA00-0AB0	6ES7141-6BF00-0AB0	6ES7141-6BG00-0AB0
6ES7141-6BH00-0AB0	6ES7142-6BF00-0AB0	6ES7142-6BF50-0AB0	6ES7142-6BG00-0AB0

WEIDMÜLLER

UR20-FBC-PN-IRT-V2	UR20-16DI-P	UR20-16DO-P	UR20-4AI-UI-16
UR20-4AO-UI-16	UR20-8DI-P-3W	UR20-8DO-P	UR20-4AI-RTD-DIAG
UR20-2AI-SG-24-DIAG	UR20-PF-I	UR20-PF-O	UR20-PF-O-2DI-DELAY
UR20-1COM-232-485-422	UR20-1CNT-100	UR20-2FCNT-100	UR20-4RO-CO-255
UR20-8DI-P-2W-HD	UR20-16DO-P-PLC-INT	UR20-4AI-UI-DIAG	UR20-2AO-UI-16

QUOTE & SERVICE

01 · IDENTIFY
Confirm the complete article number.

02 · VERIFY
Check revision, firmware and condition.

03 · QUOTE
Request price and availability.

04 · DISPATCH
Pack and arrange shipment.

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6ES7231-0HF22-0XA0 datasheet

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