SIEMENS 6ES7360-3AA01-0AA0
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SIEMENS | PLC Controls | Function Modules
- EICHLER-art.no.: K0118643
- EAN: 4025515061663
- UPC: 662643177275
Product description
SIMATIC S7-300, CONNECTION IM 360 IN CENTRAL RACK FOR CONNECTION OF MAX. 3 EXPANSION RACKS, WITH C-BUS
Services for SIEMENS 6ES7360-3AA01-0AA0
Repair
from 289,85 €
to 443,30 €
Replacement
Used
270,01 €
202,51 €
New
341,00 €
255,75 €
SIEMENS |
6ES7360-3AA01-0AA0 –
additional product information
| Delivery information | |||
|---|---|---|---|
| Export identifier | AL: N ECCN: EAR99H | ||
| Net weight | 0.243 | ||
| Quantity | 1 Stück | ||
| Packaging quantity | 1 | ||
| Additional product information | |||
|---|---|---|---|
| Product status | EOP: 2025-10-01 | ||
| EAN | 4025515061663 | ||
| UPC | 662643177275 | ||
| Static lot number | 85389091 | ||
| List indicator | ST73 | ||
| Product group | 4564 | ||
| Country of origin | DE | ||
| Compliance with the substance restrictions according to RoHS directive | Since: 20080331 | ||
| Product classifications | Version | Classification | |
|---|---|---|---|
| eClass | 4 | 27-24-03-09 | |
| eClass | 5.1 | 27-24-22-08 | |
| eClass | 6.0 | 27-24-22-08 | |
| ETIM | 3 | / | |
| ETIM | 4 | EC001423 | |
| ETIM | 5 | EC001423 | |
What is the 6ES7360-3AA01-0AA0 and where is it used?
The 6ES7360-3AA01-0AA0 is a SIEMENS SIMATIC S7-300 IM 360 interface module for the central rack (Rack 0). Its purpose is to expand an existing S7-300 system with additional racks when there is no longer sufficient space or backplane bus capacity available in the main rack. The IM 360 links the central rack to an IM 361 in an expansion rack, allowing the connection of up to three expansion racks. The connection is made using the 368 interconnection cable, with a maximum distance of 10 m between the IM 360 and IM 361.
Typical applications include existing installations in manufacturing, conveying systems, machine building and process industries where additional I/O, FM or CP modules must continue to operate within an established S7-300 architecture.
Overview of the most important technical data and what it means
For maintenance and purchasing departments, the key technical specifications are particularly important. The module is powered via the backplane bus with 5 V DC and requires a maximum current of 350 mA. This is relevant when calculating the power budget of the central rack, especially in densely populated S7-300 configurations.
The typical power dissipation of 2 W is important for thermal assessment inside the control cabinet. Only one IM 360 per CPU is permitted, which clearly defines the maximum expansion capability. With dimensions of 40 x 125 x 120 mm and a weight of approximately 225 g, the module fits the standard mechanical layout of the S7-300 platform.
For procurement purposes, it is also important that this order number is uniquely assigned to an IM 360 interface module within the SIMATIC S7-300 family.
Product status, lifecycle status and obsolescence
Siemens currently classifies the 6ES7360-3AA01-0AA0 as a spare part rather than a current production product. The EICHLER product page additionally lists an EOP (End of Production) date of 01 October 2025. EICHLER also includes this order number in its overview of S7-300 and ET 200M products entering the discontinuation phase from 01 October 2025.
For operators, this means that the module remains technically important for existing installations but is clearly positioned in the late stage of its product lifecycle. A manufacturer-designated 1:1 successor could not be identified in the reviewed Siemens documentation. As a result, spare-part availability, repairability, replacement options and strategic stockholding become increasingly important.
Available EICHLER services and when they are relevant
For this order number, EICHLER offers repair, exchange, used and new options.
A repair is particularly suitable when the existing module should remain in service and failures need to be resolved without modifying the system architecture. According to EICHLER, repairs include technical cleaning, preventive maintenance, comprehensive functional testing and a minimum 24-month warranty.
An exchange service is advantageous when downtime must be minimised and a working replacement module is required immediately. Used units are often the most economical option for spare-part strategies in existing installations, while new units are particularly relevant when building documented spare-part inventories for critical S7-300 systems.
The processing times stated on the product page are typically 2–5 days for repairs and 1–3 days for exchange, used and new units.
| Attribute | Value |
|---|---|
| Input current | |
| from backplane bus 5 V DC, max. | 350 mA |
| Power loss | |
| Power loss, typ. | 2 W |
| Hardware configuration | |
| Number of interfaces per CPU, max. | 1 |
| Dimensions | |
| Width | 40 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Weights | |
| Weight, approx. | 225 g |
| Fault description | Possible solution |
|---|---|
| Why does the SF LED on the IM 360 light up immediately after power-up? | On the IM 360, the SF LED indicates a group fault. Siemens identifies three common causes: a missing 368 interconnection cable, a powered-down IM 361, or a CPU in the POWER OFF state. First check the cable connection between the central and expansion racks. Then verify the power supply of the IM 361. Only return the CPU to operation once the rack connection has been completely established and is functioning correctly. |
| Why is my expansion rack with IM 361 configured in STEP 7 but not recognised in the actual system? | If an expansion rack is configured, the corresponding IM 360 and IM 361 must also be physically installed and correctly connected. Siemens specifies the use of the 368 interconnection cable, and the maximum distance between IM 360 and IM 361 is 10 m. Check that the correct interface modules are installed, that the cable is securely connected and that the expansion rack is properly powered after the hardware configuration has been downloaded. |
| Why do I get a group fault or unstable behaviour after adding additional modules? | S7-300 systems have limits per rack. In practice, two factors are particularly important: a maximum of eight modules per rack and a limited backplane bus current capacity. Discussions within the SPS community commonly reference a limit of approximately 1.2 A per rack, of which the IM 360 itself consumes around 350 mA. Calculate the current consumption of all installed modules, distribute high-load modules across expansion racks where necessary and verify the slot assignment of the entire station. |
| Why does a communication module or function module in the expansion rack not operate as expected? | A common cause is confusion between the IM 360/361 concept and the IM 365 concept. Siemens notes that the IM 365 does not forward the communication bus to the expansion rack. If communication-bus-dependent modules are installed in the expansion rack or if more than one expansion rack is required, the correct solution is an IM 360 in the central rack combined with IM 361 modules in the expansion racks. |
Do I need an additional IM 361 for the 6ES7360-3AA01-0AA0?
Yes. The IM 360 is installed in the central rack, while an IM 361 is required in each expansion rack (Racks 1 to 3). Only this combination enables the multi-rack expansion of an S7-300 system. If only a single expansion rack is required, the IM 365 may be considered as an alternative, although its functional limitations must be taken into account.
Which connection cable is required between the IM 360 and IM 361?
The connection is made using the 368 interconnection cable. Siemens specifies a maximum distance of 10 m between the IM 360 and IM 361. For maintenance and purchasing departments, this is important because an incorrect or missing cable can directly result in diagnostic faults, undetected expansion racks or SF fault indications.
How many expansion racks can be connected with the 6ES7360-3AA01-0AA0?
With an IM 360 installed in the central rack, up to three expansion racks can be connected, provided they are equipped with IM 361 modules. This is the key difference compared to simpler expansion concepts and makes the module particularly useful when an existing S7-300 installation requires additional module slots while retaining the original system architecture.
Can the 6ES7360-3AA01-0AA0 still be purchased or obtained as a spare part?
The available sources clearly indicate a spare-part and installed-base focus. Siemens classifies the order number as a spare part, and EICHLER currently offers repair, exchange, used and new options for this module. For operators of older S7-300 systems, this is a strong indication that availability can be maintained not only through new purchases but also through rapid replacement and repair services.
What is the difference between IM 360/IM 361 and IM 365?
The IM 360 + IM 361 combination is designed for up to three expansion racks. The IM 365 is a more compact solution intended for one expansion rack only. Siemens also notes that the IM 365 does not forward the communication bus to the expansion rack. This distinction is critical when communication-capable modules or K-bus-dependent modules are planned for installation in the expansion rack.
Is there a manufacturer-confirmed 1:1 successor for the 6ES7360-3AA01-0AA0?
No clearly designated 1:1 successor could be identified in the available Siemens documentation. At the same time, the module is classified as a spare part and, according to EICHLER, is in a late lifecycle phase with an EOP date of 01 October 2025 and product discontinuation beginning from the same date. For operators, this points more towards a structured spare-parts and service strategy than towards the expectation of a direct, officially confirmed replacement product with the same function.
