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Allen Bradley DH+/RIO (LD-63DH+, LD-64DH+) (Only in LV)
The DH+ units are available in LD-63 (multidrop) and LD-64 (redundant ring) versions. These units are specially designed to connect via fiber optic cables equipment that is using Allen-Bradley’s Data Highway (DH+) or Remote I/O (RIO) interface. The fiber optic cable is completely immune to external interference, which makes it ideal for harsh industrial environments. Another reason may be the need for a high level of security as fiber optic cable is very hard to tap. The DH+ units support all standard DH+, RIO data rates up to 230 kbit/s and is available in both multi- and single mode versions.


Allen Bradley


  • Adapted for Allen Bradley’s Data Highway+ and Remote I/O interface
  • Withstand harsh environments with severe interference
  • Protects connected units from lightning/transients
  • Galvanic isolation
  • Available for multi- and single mode fiber
  • Use to connect equipment with different earth potentials
  • Guarantees reliable long distance communication