--- type: product schema_version: 1 stock_number: "81578-1" canonical_url: "https://www.artisantg.com/PLC/81578-1/Siemens-Texas-Instruments-PM550-112-Central-Control-Unit" json_url: "https://www.artisantg.com/PLC/81578-1/Siemens-Texas-Instruments-PM550-112-Central-Control-Unit.json" generated_at: "2026-11-06T21:31:44.373Z" last_updated: "2026-08-28T19:05:40.080-05:00" --- # Siemens / Texas Instruments PM550-112 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: PM550-112 - Condition: Used and in Excellent Condition - Price: $2,250.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 40 lb - Shipping dimensions: 24X18X18 in ## Categories - Industrial Systems Equipment > Panel Building Components > Enclosures (primary) ## Details This is for the control unit only. No cards are installed. View Photo of top connectors. View Photo of bottom connectors. ## Images - - - - - -