{"id":"dobot-cr20a","model_id":"CR20A","name":"Dobot CR20A","summary":"The Dobot CR20A is a collaborative robot with a 20 kg payload and a 1,700 mm working radius. It has a maximum TCP speed of 2,000 mm/s and repeatability of ±0.05 mm. It supports PROFINET and EtherNet/IP communication for connection to a PLC.","study_notes":["Dual-channel end effector design allows direct connection to multiple end tools.","Visual status indicator at the base shows operating status.","24 digital I/O ports support PNP and NPN switching.","I/O ports include 2 connectors for RS485/AI, 2 x DO, and 2 x DI.","I/O power is 24 V, rated 2 A, maximum 3 A.","Cable length to the controller is 6 m.","Installation orientation is upright.","Materials are carbon steel, aluminum alloy, and ABS plastic.","Noise level is ≤ 70 dB."],"safety_notes":["When overloaded, the robot automatically sounds an alarm.","Electromagnetic brake protection reduces the end tool drop distance at power failure."],"sources":[{"url":"https://www.dobot-robots.com/products/cra-series/cr20a.html","title":"CR20A Collaborative Robot","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":36,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"hardware","spec":{"category":"collaborative_robot","manufacturer":"dobot","controllers":[],"axes":6,"payload_kg":20,"reach_mm":1700,"repeatability_mm":0.05,"weight_kg":73,"max_tcp_speed_mm_s":2000,"ip_rating":"IP54","operating_temp_min_c":0,"operating_temp_max_c":50,"joints":[{"name":"J1","range_min_deg":-360,"range_max_deg":360,"max_speed_deg_s":120},{"name":"J2","range_min_deg":-360,"range_max_deg":360,"max_speed_deg_s":120},{"name":"J3","range_min_deg":-165,"range_max_deg":165,"max_speed_deg_s":150},{"name":"J4","range_min_deg":-360,"range_max_deg":360,"max_speed_deg_s":180},{"name":"J5","range_min_deg":-360,"range_max_deg":360,"max_speed_deg_s":180},{"name":"J6","range_min_deg":-360,"range_max_deg":360,"max_speed_deg_s":180}],"protocols":["profinet","ethernet-ip"],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/dobot-cr20a","license":"https://creativecommons.org/licenses/by/4.0/"}