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Home>SIEMENS>Siemens 6ES7288-1CR60-0AA0 | S7-200 SMART CR60 CPU
Siemens 6ES7288-1CR60-0AA0 | S7-200 SMART CR60 CPU

Siemens 6ES7288-1CR60-0AA0 | S7-200 SMART CR60 CPU Item NO.: 2926368

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Product Name Siemens 6ES7288-1CR60-0AA0 | S7-200 SMART CR60 CPU
Item NO. 2926368
Weight 0.1 kg = 0.2205 lb = 3.5274 oz
Category SIEMENS
Brand SIEMENS
Creation Time 2026-10-23

Siemens 6ES7288-1CR60-0AA0 | S7-200 SMART CR60 CPU

Siemens · SIMATIC S7-200 SMART

Siemens 6ES7288-1CR60-0AA0 | S7-200 SMART CR60 CPU

SECTION 01

Model Information

Siemens 6ES7288-1CR60-0AA0 is a SIMATIC S7-200 SMART CPU CR60 AC/DC/Relay with thirty-six 24 V DC inputs and twenty-four relay outputs. It is the sixty-point compact CPU variant, combining the processor and the complete fixed digital terminal set in a 175 mm-wide housing.

Unlike an SR60, Siemens 6ES7288-1CR60-0AA0 does not accept expansion modules or a signal board. The 12 KB program, 8 KB data and 2 KB retentive memory operate only with the onboard I/O, so terminal capacity and program size are fixed at CPU selection.

Siemens 6ES7288-1CR60-0AA0 provides one 10/100 Mbit/s LAN port and one RS485 port, but its Ethernet services are not the PROFINET controller or I-Device functions available on ST/SR CPUs. The LAN path supports the published HMI, programming and open communication connections for the CR60, while RS485 remains available for serial protocols and freeport operation.

SECTION 02

Technical Specifications

Technical dossier Confirmed model-specific values
Brand Siemens
Model 6ES7288-1CR60-0AA0
Product Name CPU CR60 AC/DC/Relay
Country Germany
Dimensions (W × H × D) 175 × 100 × 81 mm
Weight 621.9 g
Power Dissipation 10 W
Program / Data / Retentive Memory 12 KB / 8 KB / 2 KB
Integrated Digital I/O 36 inputs / 24 relay outputs
Expansion Modules / Signal Board Not supported
24 V Sensor Supply 300 mA maximum
Ethernet Port 1 × 10/100 Mbit/s LAN
Serial Interface 1 × isolated RS485
RS485 Freeport Rate 1,200 to 115,200 bit/s
High-Speed Counters 4
SECTION 03

Communication and Connectivity

Siemens 6ES7288-1CR60-0AA0 uses its LAN port for supported programming, operator and open communication without acting as a PROFINET controller or I-Device.

Programming connection›Operator communication›Open data exchange
01

Programming connection

The LAN interface provides the published programming-device connection used to reach the CPU over Ethernet.

02

Operator communication

Up to eight HMI connections can use the LAN service when the network and application parameters match.

03

Open data exchange

Supported client/server and active/passive Ethernet communication is configured separately from the serial port.

SECTION 04

Product Functions

Siemens 6ES7288-1CR60-0AA0 organizes thirty-six inputs and twenty-four relay outputs as one non-expandable local station.

01

Six input groups

The input terminals are distributed across the CPU connectors with their defined 24 V DC references.

02

Four relay commons

The twenty-four outputs are arranged in relay groups that switch externally supplied AC or DC load circuits.

03

Closed hardware boundary

Because no expansion bus or signal board is available, every field point must be assigned to the integrated terminals.

SECTION 05

Common Product Questions

Why does Siemens 6ES7288-1CR60-0AA0 appear on Ethernet but not as a PROFINET controller?

Siemens 6ES7288-1CR60-0AA0 has a 10/100 Mbit/s LAN port, but its published communication profile does not provide PROFINET controller or I-Device operation. Configure only the Ethernet services supported by the CR60 instead of importing an ST/SR PROFINET topology.

How can Siemens 6ES7288-1CR60-0AA0 be expanded when all sixty points are assigned?

Siemens 6ES7288-1CR60-0AA0 cannot accept expansion modules or a signal board. If the thirty-six inputs and twenty-four relay outputs are insufficient, the hardware architecture must move to an expandable CPU rather than adding a module beside the CR60.

Why does an output command on Siemens 6ES7288-1CR60-0AA0 not place voltage on the terminal?

The relay outputs of Siemens 6ES7288-1CR60-0AA0 are dry contacts that switch an external load source. Check the relevant common, field fuse and return path; the CPU does not supply load voltage through an unpowered relay group.

What should be preserved before replacing Siemens 6ES7288-1CR60-0AA0?

Record the exact Siemens 6ES7288-1CR60-0AA0 order number, project hardware entry, IP settings, RS485 parameters and terminal allocation. A replacement with a different CR60 suffix or an SR60 changes communication or expansion behavior even if the point count looks similar.

Why can serial communication continue when the LAN cable is removed from Siemens 6ES7288-1CR60-0AA0?

Siemens 6ES7288-1CR60-0AA0 uses separate Ethernet and RS485 interfaces. The RS485 network has its own wiring and protocol settings, so loss of the LAN path does not inherently stop a correctly configured serial exchange.

How should repeated input changes on Siemens 6ES7288-1CR60-0AA0 be diagnosed?

Check the 24 V input supply, common reference, field contact and wiring route at Siemens 6ES7288-1CR60-0AA0 before changing software filters. Compare the live terminal state with the process image so electrical noise is separated from program logic.

SECTION 06

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MonitoringProcess and condition hardware
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SECTION 08

Sales Enquiries

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