Siemens 6ES7340-1AH01-0AE0 – CP340 W. RS232C INTERFACE (V.24
Siemens 6ES7340-1AH01-0AE0 – CP340 W. RS232C INTERFACE (V.24 from the S7-300 range. Status: discontinued by the manufacturer, no longer available new since October 2012; successor 6ES7340-1AH02-0AE0. Van Haelen supplies it refurbished or new in sealed factory packaging, with a 24-month warranty.
Also written as: 6ES7 340-1AH01-0AE0, 6ES73401AH010AE0
The Siemens 6ES7340-1AH01-0AE0 is a S7-300 control component from the Simatic S7 (S7-300) range. Manufacturer type designation: CP340 W. RS232C INTERFACE (V.24. Status: discontinued by the manufacturer, no longer available new since October 2012; successor according to the manufacturer: 6ES7340-1AH02-0AE0. Key data: weight 0.353 kg, dimensions 13,2 x 5,3 x 15,1 cm, HS code 85176200. When replacing, check the product version (issue) on the rating plate; for most installations the same or a higher issue is suitable. Ask us about exchange, repair and a spare-parts pool for your installation.
Available as
Product data
| Manufacturer | Siemens |
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| Part number | 6ES7340-1AH01-0AE0 |
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| Type designation | CP340 W. RS232C INTERFACE (V.24 |
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| Series | S7-300 |
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| Manufacturer status | discontinued by the manufacturer, no longer available new since October 2012 |
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| Successor | 6ES7340-1AH02-0AE0 |
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| ETIM | EC001423 |
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| HS code | 85176200 |
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| Weight | 0,353 kg |
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| Dimensions | 13,2 x 5,3 x 15,1 cm |
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Documentation from the manufacturer
All products of the S7-300 series
Faults and fixes 6ES7340-1AH01-0AE0
Problems with 6ES7340-1AH01-0AE0: no connection, SF or BF on
Check the link LED first: without link it is the cable, the switch port or the configured speed. With link but no connection: IP address, subnet and device name of the CP, a duplicate IP or MAC conflict in the network, or a project that expects a different firmware version. After replacement the new CP gets its address and name again via STEP 7, TIA or the Primary Setup Tool.
6ES7340-1AH01-0AE0: connection drops sporadically
Sporadic drop-outs come from the network more often than from the CP: a duplex mismatch (fixed 100 full against auto), an overloaded ring, an unshielded cable next to frequency converters, or an ageing switch. Only when the fault persists with another cable and port is the CP suspect.
Fault not fixed: replace, exchange or repair the 6ES7340-1AH01-0AE0?
Replacing from stock is the fastest route when a machine is down. Van Haelen supplies the 6ES7340-1AH01-0AE0 refurbished (tested, with a test report per serial number) or new in factory packaging, with a 24-month warranty. The current lead time is shown with the condition on this page. Prefer an exchange: you get a refurbished unit straight away and return the faulty one within 14 days. Repairing your own unit is also possible: diagnosis, then a fixed price.
What information should I send for a quick diagnosis?
A photo of the rating plate (order number, product version, firmware), the exact fault code or LED state, when the fault occurs (at power-up, on enable, under load) and what you have already tried. For PLCs an export of the diagnostic buffer, for drives the parameter set. With that we can usually say the same day whether replacing, exchanging or repairing is best.
Frequently asked questions
Is the 6ES7340-1AH01-0AE0 still available?
Not new from the manufacturer any more: the 6ES7340-1AH01-0AE0 was discontinued since October 2012. Van Haelen supplies it refurbished and tested.
What is the successor of the 6ES7340-1AH01-0AE0?
According to the manufacturer it is the 6ES7340-1AH02-0AE0. A successor does not always fit an existing installation without changes; replacing like for like is often the fastest route. If in doubt, ask us.
What does refurbished mean?
Cleaned, inspected, aged or critical components replaced and tested to our test protocol for this product family. You get a 24-month warranty, a test report and a serial number label.
What should I check when replacing a 6ES7340-1AH01-0AE0?
Check the product version (issue) on the rating plate; for most installations the same or a higher issue is suitable.
Can I exchange or repair my faulty unit?
Yes. With an exchange Van Haelen supplies a refurbished unit straight away and you return the faulty one. With a repair you first get a diagnosis and then a fixed price, with test report and warranty.