The Siemens 6SL3546-0FB21-1FA0 is a robust and reliable control unit designed for industrial automation applications. This unit is part of the SINAMICS G120D series and is known for its superior performance and versatility. It operates with a DC 24V external power supply and features PROFINET, EtherNet/IP, and PROFIsave communication capabilities.
The unit comes with six standard digital inputs and three fail-safe digital inputs, which can be optionally parameterized as safe inputs. It also has two digital outputs and one fail-safe digital output. This control unit supports V/f linear, square-law, and parameterizable control techniques, as well as V/f with flux current control (FCC) and sensorless vector control.
Designed to withstand challenging environments, it operates within a temperature range of 0 to 50 °C (32 to 122 °F) and can be stored between -40 to 70 °C (-40 to 158 °F). The unit is also resistant to condensation, with a maximum relative humidity of 95% at 40 °C (104 °F).
The Siemens 6SL3546-0FB21-1FA0 control unit is compact and lightweight, with a net weight of 0.8 kg (1.77 lb) and dimensions of 153 mm (6.02 in) in width, 208 mm (8.19 in) in height, and 55 mm (2.17 in) in depth. It is designed with an M12 plug interface and offers a high degree of protection with an IP65 / UL type 3 rating.
This control unit is compliant with UL 508C (UL list number E121068), cUL, CE, and RCM standards, and carries the CE marking for the Low-voltage directive 2014/35/EC. Whether you're looking to upgrade your existing system or implement a new one, the Siemens 6SL3546-0FB21-1FA0 control unit is a reliable choice for your automation needs.