Siemens 6ES7151-7AA21-0AB0 SIMATIC ET 200S IM151-7 CPU Module

Commercial Terms

Minimum Order Quantity	1 Piece
Price	Contact for Jim
Packaging Details	Original new Factory Sealed
Delivery Time	3–7 Days
Payment Terms	T/T
Shipping Method	DHL / FedEx / UPS / TNT
Supply Ability	In stock

Specifications

Model Number	6ES7151-7AA21-0AB0
Integrated work memory	128 kbyte, not expandable
Maximum MMC load memory	8 Mbyte
Rated supply voltage	24 V DC
Permissible supply voltage	19.2–28.8 V DC
Recommended supply-line protection	At least 2 A
Voltage-failure bridging time	5 ms
Typical inrush current	1.8 A
Inrush I²t	0.09 A²·s
Maximum supply current	320 mA; 410 mA with DP master module
Maximum backplane output current	700 mA at 5 V DC
Typical power loss	4.2 W
Typical bit-operation time	0.06 µs
Typical word-operation time	0.12 µs
Typical fixed-point arithmetic time	0.16 µs
Typical floating-point arithmetic time	0.59 µs
Maximum total DB / FC / FB blocks	1024 blocks; MMC capacity may reduce usable count
Maximum block size	64 kbyte per DB / FB / FC / OB
Nesting depth	16 per priority class; four additional levels in an error OB
S7 counters	256 counters, range 0–999
S7 timers	256 timers, range 10 ms–9990 s
Maximum retentive data area	64 kbyte including timers, counters and flags
Maximum flag memory	256 bytes
Maximum local data	32 kbyte per priority class; 2048 bytes per block
I/O address area	2048 input bytes and 2048 output bytes
Default process image	128 input bytes and 128 output bytes
Maximum centralized modules	63 modules
Clock backup time	Typically six weeks at 40 °C
Integrated bus interface	1 × isolated MPI / PROFIBUS DP, RS-485, 9-pin D-sub
Maximum integrated-interface data rate	12 Mbit/s
DP-slave transfer memory	244 input bytes and 244 output bytes
Maximum communication connections	12 total connections
Diagnostic buffer	500 entries; last 100 power-fail retentive
Interface isolation test	500 V DC
Ingress protection	IP20

Contact info

Sales

Jim Pei

Email

[email protected]

Phone/Whatsapp

+86 18020776782

Description

01

Siemens 6ES7151-7AA21-0AB0 is the SIMATIC ET 200S IM151-7 CPU module. It combines local program execution with an integrated MPI/PROFIBUS DP interface. The integrated interface can operate as a DP slave. A SIMATIC Micro Memory Card is required for the configured system. The processor provides work memory for the automation program.

02

The CPU supports a distributed ET 200S station with compatible peripheral modules. Its integrated interface must be distinguished from the optional external master arrangement. The removable memory card provides maintenance-free program backup without a battery. Engineering uses a supported STEP 7 package and hardware configuration. Check the existing station project and module arrangement before replacement.

Diagnostics

01

Stored diagnostic events

A diagnostic buffer records operating events and retains the documented subset after power failure.

02

Local status indicators

The group-error indication and supply LED provide local checks during commissioning.

03

Commissioning tools

Supported status, control, forcing and breakpoint functions assist investigation of the configured application.

FAQ

01

Does the built-in interface of 6ES7151-7AA21-0AB0 operate as a DP master?

No. The integrated interface supports DP slave operation. Master operation uses the separately specified external master module.

02

Can 6ES7151-7AA21-0AB0 run without its SIMATIC MMC?

The product description requires a SIMATIC Micro Memory Card. Include the correct card and project in the replacement plan.

03

Does 6ES7151-7AA21-0AB0 need a battery for program backup?

No. The SIMATIC MMC provides the maintenance-free program backup described for this CPU.

04

Can I use STEP 7 Lite with 6ES7151-7AA21-0AB0?

No. The data sheet excludes STEP 7 Lite; use a supported STEP 7 engineering package.

05

Will you show the supplied 6ES7151-7AA21-0AB0 and any included card?

Yes. We confirm the actual package and condition, test before delivery and provide the agreed 12-month warranty.

06

Can 6ES7151-7AA21-0AB0 be dispatched urgently after payment?

Available stock is dispatched immediately after payment receipt. Jim confirms courier details and tracking.

About Company

01

Years of Global Experience

With 20+ years of industry experience, we serve customers worldwide and have built long-term relationships across the UK, Russia, UAE, India, Venezuela, and more.

02

Professional Support Team

Our experienced team provides reliable pre-sales and after-sales support, helping customers select suitable products and resolve purchasing concerns.

03

Wide Range of Brands

We supply leading automation brands covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.

04

Large In-Stock Inventory

A wide range of products is available from stock, including discontinued, obsolete, and hard-to-find parts, helping reduce sourcing time.

05

Honesty & Trust

We value long-term cooperation and treat every customer with honesty, respect, responsibility, and care.

06

Your Trusted Automation Partner

From a single replacement part to complete automation projects, we are ready to support your needs and build a long-term partnership.

Transaction Cases

Sincere Cooperation, Long-Term Trust

Germany

A Germany customer urgently needed a replacement for a discontinued automation component. After reviewing the product label, technical parameters, and application details, our engineers recommended a compatible alternative and provided photos and test videos before shipment. The alternative performed well, enhancing the customer's confidence in our technical capabilities and leading to multiple repeat orders.

India

An Indian customer still had doubts after initial online communication with us, so they visited our company in person for a face-to-face meeting and product inspection. This visit increased the customer's trust and led to the successful placement of their first order. Over the next few years, we completed multiple orders and established a stable, long-term partnership.

Malaysia

A Malaysia customer needed a specific automation component and compared products and services from several suppliers online. After nearly three weeks of careful consideration, our sincere communication, professional service, and reliable product quality won the customer's trust. After receiving the product and using it for several weeks without any problems, the customer gave us positive feedback and subsequently placed multiple orders.

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