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SIMATIC S7-200 SMART
6ES7288-1ST40-0AA1
CPU ST40, DC/DC/DC with onboard digital I/O and Web server support
Core configuration: 24 integrated 24 V DC digital inputs and 16 integrated 24 V DC transistor outputs.
Selection gate: Confirm the full article number, firmware generation, power supply, output type and expansion configuration. |
Overview / 01
40-point DC control in a compact CPU
6ES7288-1ST40-0AA1 combines 24 digital inputs, 16 transistor outputs, PROFINET, RS-485 and STEP 7 Micro/WIN SMART engineering.
24 DI16 transistor DODC 20.4–28.8 V
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Siemens identifies this article number as a SIMATIC S7-200 SMART CPU ST40 with DC power supply, DC inputs and DC transistor outputs. It provides 40 KB combined program/data memory and supports Web server functions. Replacement suitability depends on the complete article number, firmware generation, wiring, program, communication settings and expansion configuration. Official references:Siemens data sheet for 6ES7288-1ST40-0AA1 and SIMATIC S7-200 SMART System Manual. |
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02CONTROL MAP
Use the CPU where integrated DC I/O, serial communication and PROFINET are verified against the machine design.
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Safety boundary
This description does not establish a safety-rated function. Confirm the separate machine-safety architecture.
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03DATA LEDGER
Electrical, memory and processing facts for the exact -0AA1 article number.
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Type
CPU ST40 DC/DC/DC
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Supply
Rated 24 V DC; permissible range 20.4 to 28.8 V DC
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Integrated inputs
24 digital inputs, rated 24 V DC
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Integrated outputs
16 transistor outputs, 24 V DC
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Output rating
0.5 A rated per output; verify grouping and derating
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Memory
40 KB combined: 24 KB program memory and 16 KB user data
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Current consumption
680 mA maximum at 24 V DC
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Inrush current
11.7 A maximum at 28.8 V
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Power loss
18 W maximum
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Sensor supply
300 mA maximum at 24 V DC
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Engineering
STEP 7 Micro/WIN SMART
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Optional storage
microSDHC support; exact use is subject to verification
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04CONNECTION ROUTE
Trace the complete signal and network path before approving a replacement.
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Industrial Ethernet
1 integrated interface
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Physical port
RJ45, transformer isolated to 1500 V AC
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Ethernet speed
10/100 Mbit/s with auto detection, autonegotiation and autocrossing
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PROFINET Controller
Supported from firmware V2.4; connected-device limits depend on configuration
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PROFINET I-Device
Supported from firmware V2.5
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Serial port
1 integrated RS-485 interface
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Technology inputs
Six inputs are documented for high-speed counting functions
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High-speed outputs
Three transistor outputs, up to 100 kHz pulse-train output
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Dimensions
125 mm x 100 mm x 81 mm
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Weight
Approximately 410.3 g
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Firmware gate
Siemens states that the V2.6 -0AA1 models cannot be downgraded to V2.5 or earlier.
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05OPERATING WINDOW
Cabinet design and mounting orientation determine whether the documented limits can be maintained.
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Horizontal mounting
-20 to 60 degrees C
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Vertical mounting
-20 to 50 degrees C
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Storage and transport
-40 to 70 degrees C
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Relative humidity
Up to 95% at 25 degrees C, non-condensing
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Installation altitude
-1000 to 2000 m above sea level
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EMC environment
Class A emissions for industrial areas
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CE marking
Yes in the exact Siemens technical data sheet
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Final enclosure protection
Subject to verification for the complete cabinet
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Installation environment
Verify ventilation, pollution, wiring separation, grounding and applicable derating in the Siemens manual.
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06FIT CHECK
Match the CPU to the installed machine in a controlled sequence.
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Substitution rule
Do not approve a substitute from the ST40 name alone. The complete article number and firmware generation must agree.
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07QUOTE GATE
A compatibility review needs identification, project and application evidence.
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Requested model
6ES7288-1ST40-0AA1
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Required photos
Front label, side label, terminals and firmware screen when available
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Power and outputs
Confirm DC/DC/DC
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Firmware
Provide the installed CPU firmware version
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Engineering software
Provide the STEP 7 Micro/WIN SMART version
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Project backup
Confirm availability and restoration procedure
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Expansion hardware
List every signal board and expansion module
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Networks
Provide PROFINET and RS-485 device details
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Condition and quantity
State New, Used or Refurbished requirement plus quantity and destination
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08COMMERCIAL CONTROL
Treat commercial claims as unit-specific facts that must be verified in writing.
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Physical stock
Confirm before quotation. A web listing is not proof of current inventory.
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Condition
New, Used or Refurbished must be stated in the formal quotation.
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Unit and nameplate photos
Available on request and subject to verification.
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Warranty
Confirm scope, exclusions and duration before acceptance.
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Dispatch
Subject to verification after all order details are confirmed.
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Testing
Confirm before quotation and request the available test record.
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Payment
Methods and beneficiary details are provided in the formal quotation.
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Quote response
Subject to verification after the complete inquiry is received.
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Transaction confidence
Verify company details, beneficiary, invoice, unit photos, test record, packing list and shipment tracking.
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09PURCHASE DESK
Short answers for the questions that must be resolved before an order.
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Is it physically in stock?
Confirm before quotation and request dated photos of the exact offered unit.
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What is the condition?
The quotation must explicitly state New, Used or Refurbished.
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Are current photos available?
Available on request and subject to verification.
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What warranty applies?
Confirm the scope and duration for the quoted unit.
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When can it ship?
Dispatch time is subject to verification.
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Has it been tested?
Testing status and available evidence must be confirmed.
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How can payment be made?
Available methods are stated in the formal quotation.
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How fast is the quotation?
Response time is subject to verification after complete details are received.
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How is the transaction checked?
Verify seller identity, beneficiary, photos, test evidence, invoice terms and traceable shipping documents.
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10TXT SELECTION
Fifty randomly selected models arranged in a compact 2-column by 25-row matrix.
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6ES7314-6CH04-0AB0
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6ES7222-1BD30-0XB0
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6AV2124-0QC02-0AX1
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6ES7212-1HE40-0XB0
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6ES7522-1BH10-0AA0
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6EP3437-8SB00-0AY0
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6GK5208-0BA00-2AB2
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6GK5206-2BS00-2AC2
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6ES7416-2XP07-0AB0
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6ES7511-1TL03-0AB0
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6EP1133-4BA00
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6GK1502-4AB10
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6AG4141-7GC33-0GA0
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6ES7326-2BF10-0AB0
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6ES7314-6EH04-0AB0
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6ES7552-1AA00-0AB0
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6ES7135-4GB01-0AB0
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6DL1131-6BL00-0PH1
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6ES7505-0KA00-0AB0
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6GK5206-2BD00-2AC2
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6ES7214-1BG40-0XB0
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6ES7231-50F32-0XB0
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6ES7515-2AM01-0AB0
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6ES7335-7HG02-0AB0
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6ES7511-1CK01-0AB0
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6ES7517-3AQ10-0AB0
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6ES7321-1BH02-0AA0
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6ES7288-3AR04-0AA1
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6ES7193-4CD30-0AA0
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6ES7518-4JP00-0AB0
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6EP1333-3BA10
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6ES7317-2EK14-0AB0
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7MH4134-6LB00-0DA0
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6ES7422-1BL00-0AA0
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6ES7272-0AA30-0YA1
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6ES7131-4BD00-0AA0
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6ES7138-7EA01-0AA0
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6ES7332-5HD01-0AB0
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6ES7193-6BP00-0BD0
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6ES7288-1ST20-0AA1
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6EP3332-6SB00-0AY0
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6ES7155-5AA00-0AC0
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6ES7516-3AN02-0AB0
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6GK1502-3CB10
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6GK5102-1GS00-2AC2
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6GK5005-0BA00-1AB2
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6AV7881-3AA00-2AA0
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6ES7134-4MB02-0AB0
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6ES7132-6BD20-0CA0
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6ES7952-1KL00-0AA0
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Selection note
Model availability, condition and compatibility are subject to verification.
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Request a verified quotation
Send the complete model, condition, quantity, destination, firmware and application details.
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