120D45 datasheet by Opto 22

120D45 Frequently Asked Questions (FAQs)

• What is the maximum cable length for the 120D45?
  The maximum cable length for the 120D45 is 100 meters (328 feet) for RS-485 communication, but it can be extended up to 1200 meters (3937 feet) with the use of repeaters.
• Can the 120D45 be used in hazardous locations?
  Yes, the 120D45 is certified for use in hazardous locations, including Class I, Division 2, Groups A, B, C, and D, and Zone 2, Group IIC.
• How does the 120D45 handle noise and interference?
  The 120D45 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 120D45 be used with other Opto 22 products?
  Yes, the 120D45 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 operating temperature range of the 120D45?
  The 120D45 has an operating temperature range of -40°C to 85°C (-40°F to 185°F), making it suitable for use in a wide range of industrial environments.