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- Siemens
- Siemens Simatic S7
- S7-200
- 6ES7288-1ST40-0AA1
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 6ES7288-1ST40-0AA1
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Product Model6ES7288-1ST40-0AA1
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Spare Model6ES7288-1ST40-0AA1
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Product ParametersSIMATIC S7-200 SMART CPU
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Tariff Code85371091
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Country of originGERMANY
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size125 x 100 x 81 mm
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ManufacturerSiemens
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Weight0.904 lbs (0.4103 kg)
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Product type designationCPU ST40 DC/DC/DC
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Supply voltage20.4 to 28.8 V DC
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Onboard digital inputs24, rated 24 V DC
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Onboard digital outputs16 solid-state MOSFET outputs
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Program memory24 KB
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User data memory16 KB
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Expansion modules6 maximum
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Signal board expansion1 maximum
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High-speed counters6 total
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Communication interfaces1 PROFINET and 1 RS485
Description
Siemens 6ES7288-1ST40-0AA1 is a SIMATIC S7-200 SMART CPU ST40 designed for compact machine automation. This DC/DC/DC controller operates from a 20.4 to 28.8 V DC supply and integrates 24 digital inputs, 16 solid-state transistor outputs, PROFINET and RS485 communication in a 125 mm wide housing.
The CPU supports STEP 7 Micro/WIN SMART engineering, six expansion modules, one signal board, six high-speed counters and three 100 kHz pulse outputs. These functions support distributed I/O, serial devices, PID regulation and open-loop motion tasks when the controller is installed, powered and parameterized in accordance with the current Siemens S7-200 SMART documentation.
Information
Overview
Manuals
Product Applications
Compatibility
Lifecycle & Replacement
Features:
- SIMATIC S7-200 SMART CPU ST40 for compact DC automation
- 24 onboard 24 V DC inputs and 16 transistor outputs
- 24 KB program memory and 16 KB user data memory
- Three 100 kHz pulse outputs and six high-speed counters
- Integrated PROFINET and RS485 communication
Siemens 6ES7288-1ST40-0AA1 is a DC/DC/DC controller for compact machines requiring integrated I/O, high-speed counting, pulse positioning, modular expansion and industrial network communication.
Verify supply quality, expansion power, transistor output grouping, load suppression, grounding, firmware and network settings against the current Siemens system manual before commissioning.
Siemens 6ES7288-1ST40-0AA1 SIMATIC S7-200 SMART CPU ST40 Manuals, Datasheets, Official Documents, Links
- Preview Data Sheet PDF
- Preview Manufacturer's Manual PDF
- View Siemens SIMATIC S7 Products
- View All Siemens Products
Important Notice: Amikon PDF documents are independent reference materials prepared from verified Siemens sources. Use the current controlled Siemens documentation for installation and commissioning. Accessories, manuals, cables, software, certificates, and other items are not included with this equipment unless listed in the stock item description.
- Cut-to-length positioning with Axis of Motion control
- Stepper or servo positioning through pulse-train outputs
- PWM speed or duty-cycle control in compact machinery
- Closed-loop process regulation using integrated PID functions
- PROFINET-connected distributed I/O and operator-interface coordination
Use 6ES7288-1ST40-0AA1 within the electrical, expansion and functional limits specified by Siemens.
Siemens 6ES7288-1ST40-0AA1 is engineered with STEP 7 Micro/WIN SMART and belongs to the S7-200 SMART standard CPU family. It supports up to six expansion modules and one compatible signal board, selected according to firmware and power-budget limits.
PROFINET, RS485, transistor-output and pulse-motion functions must be configured according to current Siemens documentation. Verify I/O allocation, output grouping, network settings and installation conditions before commissioning.
Siemens identifies 6ES7288-1ST40-0AA1 as the CPU ST40 DC/DC/DC article for the SIMATIC S7-200 SMART family. An exact replacement must retain the complete article number and use a supported firmware and STEP 7 Micro/WIN SMART engineering-tool combination.
Before replacement, archive the project and verify I/O allocation, transistor-output grouping, expansion power, signal-board selection, pulse configuration, PROFINET and RS485 settings. Check the current Siemens product record for PLM status and any official successor notice.
Alternative Names
6ES72881ST400AA1
6ES7 288-1ST40-0AA1
SIMATIC S7-200 SMART CPU ST40
CPU ST40 DC/DC/DC
Technical notes
Use a stable 24 V DC supply and calculate the complete expansion power budget before commissioning. Verify input filtering, transistor output grouping, load current, suppression, grounding, signal-board selection, firmware, PROFINET addressing and RS485 parameters against the current Siemens S7-200 SMART System Manual.
FAQs
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What supply voltage does 6ES7288-1ST40-0AA1 require?
+Siemens specifies a permissible input range of 20.4 to 28.8 V DC for the CPU ST40. -
How many onboard digital I/O points are provided?
+The controller integrates 24 digital inputs and 16 sourcing solid-state MOSFET digital outputs. -
How much memory is available in the CPU ST40?
+The exact product data identifies 24 KB of program memory and 16 KB of user data memory. -
Can the CPU ST40 accept expansion modules?
+Yes. Siemens specifies support for up to six expansion modules and one signal board, subject to the power budget and firmware limits. -
Which communication interfaces are integrated?
+The CPU provides one PROFINET Ethernet interface and one integrated RS485 serial interface. -
Does 6ES7288-1ST40-0AA1 support high-speed motion functions?
+The CPU provides six high-speed counters and three pulse outputs rated up to 100 kHz for supported open-loop motion tasks.
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