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CSL Part Number: 21801
Product Overview: The Simatic 545 CPU Module (545-1104) is a programmable logic controller processor originally manufactured by Texas Instruments and later produced under the Siemens brand as part of the TI545/TI555 PLC family. This CPU serves as the central processing unit for TI545 and TI555 control systems, executing ladder logic programs and managing I/O communications in industrial automation applications. It features battery-backed RAM for program and data retention, typically using a 3V lithium coin cell. The module is commonly found in older process control systems across manufacturing, paper production, and other industrial facilities requiring discrete and analog control.
Category: PLC
Manufacturer: Siemens
Alternate Manufacturer Names: Texas Instruments
Manufacturer Part Number: 545-1104
Series: TI545/TI555 Simatic PLC
Other Synonyms: Texas Instruments
Service and repair your broken Siemens part
We can repair your Siemens model 545-1104 in our facility. Let our skilled technicians get your Siemens back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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