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ARTICLE NUMBER

6AG1221-1BH22-2XA0

SIPLUS S7-200 EM 221 16 DI 24 V DC Digital Input Module

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

DIAGNOSTICS, PROTECTION & INSTALLATION

Extended-temperature digital input expansion for S7-200

The SIPLUS version of the EM 221 supports established S7-200 installations exposed to a wider ambient-temperature range. It is intended for controlled machine and plant service where environmental conditions, electrical interface and original station addressing must be retained together.

Digital inputs16	Rated input24 V DC	Input behaviorSinking / sourcing	Temperature range-25 to 70 °C
Base product6ES7221-1BH22-0XA0	SystemSIPLUS S7-200	Module typeEM 221	Signal classDigital input

DIAGNOSTICS & PROTECTION

INSTALLATION & UPGRADES

◆ Input-state indication supports point-by-point field verification.

◆ Environmental qualification supports operation beyond standard cabinet conditions.

◆ Defined signal thresholds help maintain reliable digital-state recognition.

◆ Confirm the underlying S7-200 hardware and full SIPLUS order code.

◆ Preserve channel addressing and terminal assignments during exchange.

◆ Check enclosure conditions and thermal limits before recommissioning.

BRAND CHARACTERISTICS

APPLICATION FIELDS

◆ Siemens SIPLUS adapts standard automation hardware for harsher environments.

◆ Order-code traceability supports exact lifecycle maintenance.

◆ S7-200 modular I/O enables structured controller expansion.

◆ Official conformity records support documented installations.

◆ Outdoor-adjacent and temperature-variable control cabinets.

◆ Digital sensor monitoring in utilities and infrastructure.

◆ Retrofit service for installed SIPLUS S7-200 systems.

◆ Industrial equipment exposed to demanding ambient conditions.

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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6AG1221-1BH22-2XA0 S7-200 EM 221 16 DI 24 V DC Digital Input Module

SIMATIC S7-200

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6AG1221-1BH22-2XA0 datasheet

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