Figure D - 2: Wiring Details of the RS-485 between 3 or more Hydran M2-Xs
Figure D - 3: Wiring of the Supervisory Link between a Hydran M2-X and a Hydran 201Ci-1 Controller
Note: The Hydran 201Ci-1 Controller can only display the gas level measured by the
Hydran M2-X, not the moisture level.
Note: Use the same wiring to connect the optional TDM terminal block to a Hydran
201Ci Controller. If the RS-485 link is already connected to the controller as shown in
the above figures, connect only the optional TDM terminal block as directed.
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