120D3 datasheet by Opto 22

120D3 Frequently Asked Questions (FAQs)

• What is the maximum cable length for the 120D3?
  The maximum cable length for the 120D3 is 100 meters (328 feet) for RS-485 communication, but it can be extended up to 1200 meters (3937 feet) using repeaters.
• Can the 120D3 be used in hazardous locations?
  Yes, the 120D3 is certified for use in Class I, Division 2 hazardous locations, making it suitable for use in industrial environments with explosive atmospheres.
• How does the 120D3 handle noise and interference?
  The 120D3 has built-in noise filtering and surge protection to ensure reliable communication in noisy industrial environments. It also has a high common-mode rejection ratio (CMRR) to reject electromagnetic interference (EMI).
• Can the 120D3 be used with other Opto 22 products?
  Yes, the 120D3 is designed to work seamlessly with other Opto 22 products, including the OptoEMU sensor interface, OptoSwitch remote I/O, and OptoControler programmable controllers.
• What is the power consumption of the 120D3?
  The power consumption of the 120D3 is typically around 1.5 watts, making it suitable for use in low-power applications.