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    For 6ES5305-7LA11, Apter Power supports quotations, S5 documentation, and interface-set identification.

6ES5305-7LA11

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Siemens 6ES5305-7LA11 is a SIMATIC S5 IM 305 interface-module set that connects one S5-115U expansion unit to the central controller through its fixed 0.5 m cable.
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Technical specifications for 6ES5305-7LA11

  • Manufacturer:
    Siemens
  • Part Number:
    6ES5305-7LA11
  • Product Family:
    Siemens Simatic S5
  • Product Type:
    SIMATIC S5 IM 305 Interface Module Set
  • Stock:
    1
  • Set Contents:
    2 interface modules and 1 connecting cable
  • Cable Length:
    0.5 m
  • Configuration Type:
    Centralized expansion
  • Connected Expansion Units:
    1
  • Central Controller:
    SIMATIC S5-115U
  • Supported Expansion Racks:
    ER 701-0 and ER 701-1
  • Module Position:
    Interface-module slot in each rack
  • Expansion-Rack Supply:
    Provided through the expansion-unit interface module
  • Interrupt Modules:
    Not permitted in the documented IM 305 expansion configuration
  • Weight:
    2.65 lbs (1.203 kg)
  • Estimated shipping dimensions:
    31.2×21.2×7.5 cm
  • Tariff Code:
    85389091
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Rack Pairing Module Placement Bus Extension Configuration Limits

Features:

  • The order scope supplies both IM 305 interfaces together with their 0.5 m rack cable.
  • One expansion unit is connected centrally to the S5-115U main controller through the matched set.
  • The documented expansion arrangement uses ER 701-0 or ER 701-1 racks and excludes interrupt-generating modules.
The pair places one interface at each end of the expansion link, keeping the central-rack and extension-rack roles physically distinct.

The included cable carries the rack connection between the two IM positions; it is not listed as a standalone programming or fieldbus lead.

Power reaches the expansion rack through its interface side, so rack choice and module placement are part of the complete configuration check.

The Siemens 6ES5305-7LA11 SIMATIC S5 IM 305 Interface Module Set may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES5305-7LA11 SIMATIC S5 IM 305 Interface Module Set Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Two interfaces across one expansion link

  • Central Side: One IM 305 from 6ES5305-7LA11 is assigned to the interface position in the S5-115U central controller.
  • Expansion Side: The second IM 305 is installed at the corresponding interface position in the expansion unit.
  • Matched Set: Both modules and the included cable form the complete order scope.
  • Single Extension: The 6ES5305-7LA11 package is specified for the central connection of one expansion device.

Defined interface positions

  • IM Slot: Each half of 6ES5305-7LA11 belongs in the designated interface-module location of its rack.
  • Rack Roles: The central-rack module and expansion-rack module are installed at opposite ends of the same link.
  • Cable Reach: The supplied 0.5 m lead sets the physical distance available between those interface positions.
  • Connector Purpose: The cable extends the rack connection and is not used as a programming lead.

How the centralized path is completed

  • Rack Link: The IM 305 pair carries the central-controller bus to the connected expansion unit.
  • Expansion Supply: The expansion rack receives its supply through the expansion-unit interface module.
  • Rack Types: ER 701-0 and ER 701-1 are the documented expansion racks for this arrangement.
  • Signal Boundary: The extension path remains within the centralized S5-115U configuration rather than forming a separate network.

Checks before populating the expansion rack

  • Controller Family: 6ES5305-7LA11 is assigned to the SIMATIC S5-115U centralized expansion arrangement.
  • Expansion Count: The complete set connects one expansion device to the central controller.
  • Interrupt Restriction: Interrupt-generating modules are not permitted in the documented IM 305 expansion configuration.
  • Suffix Check: The complete 7LA11 code is required to retain the included 0.5 m cable definition.
Description
For the SIMATIC S5-115U system, Siemens 6ES5305-7LA11 is the IM 305 interface-module set used to connect one expansion unit centrally to the main controller. The order scope combines two interface modules with the 0.5 m cable that links the rack pair.

One side of 6ES5305-7LA11 occupies the interface-module position in the central controller and the second side occupies the corresponding position in the expansion rack. The connection extends the S5 bus between those defined slots rather than serving as a general-purpose programming cable.

The centralized arrangement for 6ES5305-7LA11 is documented with ER 701-0 and ER 701-1 expansion racks. Power for the expansion unit is supplied through its interface module, while interrupt-generating modules are excluded from this IM 305 configuration.

Because 6ES5305-7LA11 is supplied as a matched set, identification must cover both modules and the included cable length. The complete 7LA11 suffix separates this 0.5 m interface package from other IM 305 cable or module arrangements.
Alternative Names
6ES53057LA11 6ES5305 7LA11 6ES5 305-7LA11 Siemens 6ES5305-7LA11 IM 305 6ES5305-7LA11 6ES5305-7LAII 6ES530S-7LA11 6E55305-7LA11
Technical notes
Siemens 6ES5305-7LA11 feeds the expansion rack through its interface module, and the documented IM 305 arrangement excludes interrupt-generating modules.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is included under the complete 6ES5305-7LA11 order number?
Siemens 6ES5305-7LA11 includes two IM 305 interface modules and the 0.5 m cable that connects them.
How many expansion devices does one 6ES5305-7LA11 set connect?
One 6ES5305-7LA11 set is specified for centrally connecting one expansion device to the SIMATIC S5-115U central controller.
Which expansion racks belong to the documented 6ES5305-7LA11 arrangement?
The IM 305 configuration for 6ES5305-7LA11 is documented with ER 701-0 and ER 701-1 expansion racks.
Where are the two modules from 6ES5305-7LA11 installed?
One module from 6ES5305-7LA11 occupies the central controller's IM position and the other occupies the matching IM position in the expansion unit.
Why must interrupt-generating modules be excluded when using 6ES5305-7LA11?
The documented centralized IM 305 configuration for 6ES5305-7LA11 does not permit interrupt-generating modules in the connected expansion arrangement.
Can the cable in 6ES5305-7LA11 be treated as a standalone S5 programming cable?
No. The 0.5 m cable in 6ES5305-7LA11 is part of the matched IM 305 set and connects the central and expansion interface modules.