Siemens 6ES7288-1ST40-0AA1
LEHIY item code: LH-0024
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This page helps you check Siemens 6ES7288-1ST40-0AA1 before you ask for a quote.
Confirm the brand, model number, part number, and quantity. Share a clear nameplate photo when the old item has close variants.
LEHIY can check stock, lead time, packing, shipping documents, and safe replacement options for maintenance orders.
| CPU SR40/ST40 Technical Specifications | ||
| Model Order Number (MLFB) | CPU SR40 6ES7288-1SR40-0AA1 | CPU ST40 6ES7288-1ST40-0AA1 |
| General | ||
| Dimension W x H x D ( mm ) | 125x100x81 | |
| Weight | 441.39 | 410.30 |
| Power | 23W | 18W |
| Available Current (24VDC) | Max. 300 mA (Sensor Power) | |
| Digital Input Current Consumption (24VDC) | 4 mA per point input used | |
| CPU Characteristics | ||
| User storage | 24 KB program memory/16KB data memory/10KB retention memory | |
| Onboard Digital IO | 24-point input/16-point output | |
| Process image size | 256-bit input (0)1256-bit output (Q) | |
| Simulation image | 56-word input (AI)/56-word output (AQ) | |
| Bit memory (M) | 256 bits | |
| Temporary (local) storage | 64 bytes in the main program and 64 bytes in each subroutine and interrupt program | |
| IO Module Expansion | Up to 6 expansion modules | |
| Signal Board Expansion | Up to 1 signal board | |
| High-speed counter | 6 in total Single phase: 4 200 KHz +2 30 KHz Quadrature phase: 2 100 KHz +2 20 KHz | |
| Pulse output | 3-way 100 KHz | |
| Pulse capture input | 14 | |
| Loop break | 2 in total, 1 ms resolution | |
| Interrupts Along | 4 rising edges and 4 falling edges (6 each when using the optional signal board) | |
| Memory Card | Micro SD card (optional) | |
| Real-time clock accuracy | t-120 seconds months | |
| Real-time clock hold time | Normally 7 days, minimum 6 days at 25°C | |
| Performance | ||
| Boolean | 0.15 μs/command | |
| Move Word | 1.2 μs command | |
| Real math | 3.6 μs/command | |
| S7-200 SMART Supported User Program Elements | ||
| POU | Type/Quantity · Main Program: 1 · Subroutine: 128 (0 to 127) & nbsp: 128 (0 to 127) From main program: 8 subroutine levels · From interrupt program: 4 subroutine levels | |
| Accumulator | 4 | |
| Timer | Type/Quantity · Non-Retention (TON,TOF):192 · Retention: 64 | |
| Counter | 256 | |
| Communication | ||
| Number of ports | PROFINET(LAN):1 Serial Port: 1(RS485) Additional Serial Port: 1 on SR40/ST40 only (with optional R5232/485 signal board) | |
| HMI Device | PROFINET(LAN):8 connections Serial ports: 4 connections per port | |
| Programming Device (PG) | Serial port: 1 connection, PROFINET(LAN):1 connection | |
| CPU(PUTIGET) | PROFINET(LAN):8 client and 8 server connections | |
| PROFINET communication | ||
| PROFINET controller | Yes | |
| Maximum number of PROFINET devices that can be connected to RT | 8 | |
| Maximum number of modules | 64 | |
| PROFINET Smart Devices | Yes | |
| Open User Communication | PROFINET(LAN):8 active and 8 passive connections | |
| Data transfer rate | PROFINET(LAN):10/100 Mbls RS485 system protocols: 9600,19200 and 187500bls RS485 free ports: 1200 to 115200 bis | |
| Isolation (external signal and PLC logic side) | PROFINET(LAN): Transformer Isolated, 1500VDC RS485: None | |
| Cable Type | Ethernet: CAT5e shielded cable | |
| RS485:PROFIBUS Network Cable |
Plain language sourcing guide for Siemens 6ES7288-1ST40-0AA1
Start with the full model name. Check the brand name. Check the part number. Check the code on the old unit. These small checks help you avoid a wrong order.
Take one clear photo of the front label. Take one photo of the side label. If the part has a cable, plug, port, seal, coil, or screen, take a photo of that area too.
Tell us the quantity you need. Tell us your country. Tell us the date when the plant needs the part. We can then check stock, lead time, safe packing, and the best shipping plan.
If the exact model is no longer made, do not guess. Send the old model and the use case. LEHIY can compare close options and explain which choice is safer for repair work.
Use simple order notes. Write the model in one line. Write the quantity in one line. Write the delivery country in one line. This helps our team reply faster.
Check the old part before removal. Look at the label. Look at the connector. Look at the mounting size. Look at the voltage or pressure rating if it is shown.
Do not rely on a short nickname for a part. Many industrial items have close versions. A small suffix can change the plug, output, range, or software setting.
Ask for a stock check if the plant is stopped. Ask for a lead time if the order is planned. Ask for packing photos if the part is fragile or heavy.
For a replacement order, tell us what failed. Tell us where the part is used. Tell us if an equal model is acceptable. This makes the first answer more useful.
For repeat orders, send the last invoice, old label, or old packing photo. The same reference can help us match the correct product again.
For urgent service, keep the message simple. One model, one quantity, one photo, and one delivery target are enough for a fast first check.
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| Brand Name: | Siemens | Certification: | ISO9001, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 1 year | Customized sourcing: | available |
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Ans. Our main products include PLCs, sensors, valves, solenoid valves, actuators, power modules, transmitters, and complete industrial automation solutions.
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Siemens 6ES7288-1ST40-0AA1
Send the brand, model, part number, quantity, nameplate photos, and application requirements. LEHIY will check availability, suitable alternatives, packing details, and delivery options before quoting.
For discontinued, temporarily unavailable, or configuration-sensitive items, our team can compare the requested model with close variants or compatible replacements for maintenance and spare parts planning.
Use this page as a practical sourcing note for engineers, buyers, and maintenance teams comparing automation components. Check the model name, brand, LEHIY code, application, and replacement requirements before sending an inquiry.
Short, clear information helps our team confirm availability faster and reduce back-and-forth communication during urgent maintenance projects.
- Confirm the complete model number and any suffix printed on the nameplate.
- Share quantity, destination country, preferred shipping method, and target delivery date.
- Include photos, drawings, old purchase records, or datasheets when compatible alternatives are acceptable.
- Ask for stock checking, replacement comparison, packing details, and export documentation before ordering.
Useful details for a faster quote
- Complete model and part number
- Required quantity and target delivery date
- Nameplate photos, drawings, or old purchase records
- Voltage, signal range, dimensions, or accessory needs
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Siemens 6ES7288-1ST40-0AA1 verification notes
Please send the full model number, quantity, target delivery date, and nameplate photos. These details help us check the requested product or a close replacement.
LEHIY reviews product name, part number, series, label information, and application requirements before shipment.
If the original model is discontinued or supplied with different accessories, we can explain practical differences before quoting.
For repeat purchasing, we can help organize related models, replacement parts, shipment schedules, and clear communication for your team.
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