Name: Siemens 6ES7290-6AA30-0XA0 | SIMATIC S7-1200 2.0 m I/O Expansion Cable
Brand: SIEMENS
SKU: 2927245
Price: 1 USD
Availability: InStock

Product Introduction

Siemens 6ES7290-6AA30-0XA0 is the SIMATIC S7-1200 I/O expansion cable for a two-tier setup. Its 2.0 m length links the CPU-side tier and the remote I/O tier within the specified S7-1200 arrangement.

The cable identified by Siemens 6ES7290-6AA30-0XA0 is an interconnect part, not an I/O module. It carries the expansion connection between compatible S7-1200 hardware tiers, so connector seating, routing and strain relief are part of the installation task.

For replacement planning, Siemens 6ES7290-6AA30-0XA0 must be retained as the exact 2.0 m order number. A cable of a different length or connector family changes the physical arrangement even when the CPU and modules remain the same.

Black and white 3D line drawing exterior view of Siemens 6ES7290-6AA30-0XA0

Specification Details

Technical itemSpecification

Brand: Siemens
Model: 6ES7290-6AA30-0XA0
Product Name: S7-1200 I/O expansion cable
Country: Germany
Cable Length: 2.0 m
System Role: Two-tier S7-1200 I/O interconnect
Connection Type: Dedicated S7-1200 expansion connection
Part Category: Accessory cable
Signal Role: Expansion-bus connection
Installation: CPU-side tier to second tier
Replacement Identity: Exact 6ES7290-6AA30-0XA0 order number

Installation Highlights

Installation sequence

Siemens 6ES7290-6AA30-0XA0 is installed as the physical bridge between two S7-1200 tiers. The installation sequence protects the keyed connectors and prevents a routing problem from being mistaken for a missing I/O module.

1 · Plan and isolate

De-energize the station, identify the CPU-side and second-tier connection points, and lay out the 2.0 m route without stretching the cable or placing it across sharp cabinet edges.

2 · Connect and support

Align each dedicated connector before insertion and seat both ends fully without twisting. Support the cable close to each tier, maintain a gentle bend radius and keep it clear of high-energy conductors.

3 · Inspect and commission

Check connector retention and strain relief before power is restored. Then compare the detected module order with the project and verify the second tier one module at a time.

System Integration

System relationship

The Siemens 6ES7290-6AA30-0XA0 cable carries the S7-1200 expansion-bus path between the CPU tier and a compatible second I/O tier; it is not a serial, Ethernet or general-purpose extension lead.

CPU-side relationship

The first connector continues the expansion arrangement from the CPU-side tier. Its position is part of the physical station order used by the engineering project.

Second-tier relationship

The opposite connector brings the expansion path to the next tier, where compatible I/O modules continue in the actual installed sequence.

Project and hardware match

After connection, the configured rack order must mirror both tiers. If the second tier is absent, inspect power, seating and order before changing application addresses.

Product Questions

Why does Siemens 6ES7290-6AA30-0XA0 not work as a generic extension cable?

Siemens 6ES7290-6AA30-0XA0 is a dedicated S7-1200 I/O expansion cable with a defined two-tier role. Its connector and signal assignment are not treated as a general-purpose serial or Ethernet lead.

What should be checked when a two-tier S7-1200 station is not detected?

Inspect both connectors, the 2.0 m Siemens 6ES7290-6AA30-0XA0 cable route, CPU power and the project hardware order. A loose expansion connection can prevent the second tier from appearing even when the modules are powered.

Can a longer cable replace Siemens 6ES7290-6AA30-0XA0?

Do not assume a longer cable is equivalent to Siemens 6ES7290-6AA30-0XA0. The specified order number is 2.0 m and the two-tier arrangement depends on the dedicated connection.

Why does the I/O address order change after installing Siemens 6ES7290-6AA30-0XA0?

The tier and module order in the project must match the physical arrangement connected by Siemens 6ES7290-6AA30-0XA0. Reconcile the hardware configuration before rewriting the application addresses.

How should Siemens 6ES7290-6AA30-0XA0 be protected in a cabinet?

Keep Siemens 6ES7290-6AA30-0XA0 supported, free from sharp bend points and separated from conductors that can damage the cable jacket or connector retention.

What is the most important replacement detail for Siemens 6ES7290-6AA30-0XA0?

Retain the exact 6ES7290-6AA30-0XA0 order number and 2.0 m length. A visually similar cable may not provide the S7-1200 two-tier connection required by the installed hardware.

Customer Support

Moore Automation

https://www.mvme.cn

Moore Automation keeps product identity, quantity, destination and technical notes together for automation-component enquiries.

The same support record can cover Siemens expansion accessories alongside PLC, I/O, HMI and monitoring hardware from other brands.

Accessory supportCables, terminal parts and modules

Model accuracyExact order number retained

Multi-brand rangeControl and monitoring hardware

Request continuityDestination and quantity remain linked

Recommended Models

Sales Enquiries

Contact Moore Automation

ManagerLeonia

Emailsales@mvme.cn

WhatsApp+86 180 3017 5807

Siemens 6ES7290-6AA30-0XA0 | SIMATIC S7-1200 2.0 m I/O Expansion Cable Item NO.: 2927245

Siemens 6ES7290-6AA30-0XA0 | SIMATIC S7-1200 2.0 m I/O Expansion Cable