--- type: product schema_version: 1 stock_number: "83669-1" canonical_url: "https://www.artisantg.com/PLC/83669-1/Siemens-Texas-Instruments-PM550C-112-Central-Control-Unit" json_url: "https://www.artisantg.com/PLC/83669-1/Siemens-Texas-Instruments-PM550C-112-Central-Control-Unit.json" generated_at: "2026-11-07T22:05:22.348Z" last_updated: "2026-07-30T09:10:57.047-05:00" --- # Siemens / Texas Instruments PM550C-112 Central Control Unit _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Texas Instruments - Model: PM550C-112 - Condition: Used and in Good Condition - Price: $2,550.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 30 lb - Shipping dimensions: 24X24X18 in ## Categories - Industrial Systems Equipment > PLCs and Controllers > Controllers (primary) ## Details This Siemens / Texas Instruments PM550C-112 Central Control Unit is used and in good condition. The frame over the filter is cracked. If you would like to purchase an individual component of this unit, please contact Artisan Technology Group Sales for pricing and availability. ### Included Modules - (1): SCHEM 2490890, ASSY 2490892 - (1): SCHEM 2497445, ASSY 2497447 - (1): SCHEM 2497433, ASSY 2497435 - (1): SCHEM 2497991, ASSY 2497993 - (1): SCHEM 2490869, ASSY 2490871 - (1): Part Number 2461586, ASSY 2461586 View Photo of the interior modules. View Photo of the cracked frame over the filter. Part Number: 2490770-0002 ## Images - - - -