These new I/O Terminals have a 3-tier
Terminal Block (16 I/O points). Six models are available: Input Terminals,
I/O Terminals, and
Output Terminals with NPN and PNP variations. Simplified wiring (Wires do not need be wired to
the
same terminal and terminal locations are clearer.) Reduced design and wiring time. Uses detachable cassette-type circuit
construction. With DRT1-@D16TA(-1) models, internal circuit
power supply is supplied from the communications
power supply side.