6ES7288-1ST40-0AA1
SIMATIC S7-200 SMART, CPU ST40 (DC/DC/DC) — genuine article supplied by SENTRADO through authorized channels, with 24-hour response on stock and lead time for customers worldwide.
Genuine 6ES7288-1ST40-0AA1 from SENTRADO
The DC-supply transistor-output version of the SMART 40-point CPU — chosen where high-speed pulse outputs drive servo or stepping axes. We supply this article as a genuine Siemens product sourced through authorized channels, exported with FOB, CIF or DDP terms and full export documentation. We reply within 24 hours with a human response on stock and lead time — contact us for live stock & lead time.
SENTRADO (Beijing Xinshentuo Technology Co., Ltd.) is the export and international-project arm of a Siemens Certified System Integrator (Professional) with 25+ years of control-cabinet and system-integration experience.
Supply assurance
Genuine, authorized-channel supply
Every unit is a genuine 6ES7288-1ST40-0AA1 article sourced through authorized channels, with full export documentation.
Certified integrator background
SENTRADO operates as the export and international-project arm of a Siemens Certified System Integrator (Professional) with 25+ years of control-cabinet experience.
24-hour human response
We reply within 24 hours to confirm stock and lead time — contact us for live stock & lead time before ordering.
Sources: official manufacturer product pages and technical documentation.
Technical specifications
Parameters below are taken from the official Siemens Industry Mall / SIOS technical data sheet for 6ES7288-1ST40-0AA1.
| Product | SIMATIC S7-200 SMART, CPU ST40, DC/DC/DC compact CPU |
|---|---|
| Onboard digital I/O | 24 DI 24 V DC; 16 DO 24 V DC (transistor) |
| Power supply | DC 20.4-28.8 V (24 V DC rated) |
| Program / data memory | 40 KB (24 KB program + 16 KB data) |
| Interfaces | PROFINET Ethernet (RJ45) + RS485 (max. 187.5 kbps) |
| Integrated functions | High-speed counters (4x 200 kHz / 2x 30 kHz), high-speed pulse outputs for stepping/servo drives, PID, web server support |
| Engineering | STEP 7 Micro/WIN SMART |
| Sensor supply | 24 V DC, max. 300 mA |
| Current consumption | Max. 680 mA at 24 V DC; power loss max. 18 W |
| Mounting | Standard DIN rail |
Only parameters confirmed on official Siemens sources are listed. Contact our engineers for configuration checks, accessories and compatibility with your existing system.
Compatibility & supply
Three ways our team supports your 6ES7288-1ST40-0AA1 project: genuine article supply, engineering/configuration checks and complete-BOM handling.
Genuine article for installed systems
We supply the genuine 6ES7288-1ST40-0AA1 (SIMATIC S7-200 SMART, CPU ST40 (DC/DC/DC)) sourced through authorized channels. Share your controller/drive/panel article numbers and our engineers verify compatibility with your installed system before shipment.
Engineering support
Drop-in replacement for installed S7-200 SMART ST40 CPUs; transistor outputs suit PTO/PWM motion tasks. Compatible with SMART expansion modules (up to 6) and SMART LINE panels via PROFINET. Our engineers support configuration checks, TIA/Micro/WIN program handling and panel wiring review.
Accessories & spares handled
We can quote the complete bill of materials — expansion modules, signal boards, memory cards, operator panels and power supplies — in one shipment with export-grade packaging.
Typical applications
The DC-supply transistor-output version of the SMART 40-point CPU — chosen where high-speed pulse outputs drive servo or stepping axes.
- Motion machines with servo/stepping axes
- Packaging and assembly automation
- Battery-powered and DC-cabinet systems
- High-speed counting and labeling machines
- OEM series machines exported with 24 V DC control
Supply & delivery
Genuine & sourced right
Genuine Siemens products sourced through authorized channels, with export documentation. No grey-market ambiguity.
24-hour response
Every inquiry gets a human reply within 24 hours confirming stock and lead time. Formal quotations follow manufacturer inquiry.
Stock & lead time
Availability changes daily. Contact us for live stock & lead time — express air freight for line-down emergencies.
Global export
Worldwide shipping on FOB, CIF or DDP terms with export-grade packaging and full documents — Middle East, Southeast Asia, Africa and South America.
Frequently asked questions
Is the 6ES7288-1ST40-0AA1 a genuine Siemens part?
How fast do you respond, and what about lead time?
How do I confirm compatibility with my control system?
What is this controller typically used for?
What about warranty, MOQ and international shipping?
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Need 6ES7288-1ST40-0AA1 fast?
Send us the article number and quantity — we reply within 24 hours with stock and lead-time confirmation. Contact us for live stock & lead time.