Precautions for Installation This document describes the operations involved in installing and wiring the ML2-200 Water-processing Communication Conversion Box. Be sure to follow the instructions given in order to install correctly and free of accidents. 1. Installation Environment This communication conversion box has been designed for indoor use. Be sure to install in a location that is exposed neither to rain nor direct sunlight.
3. Electrical Wiring For details regarding electrical wiring, refer to the Wiring Overview Diagrams. The main power supply should be provided with a dedicated earth leakage circuit breaker (with overcurrent protection, a current rating of 5 A, and a current-sensitivity rating of 30 mA).
• When newly setting up an M-NET for equipment control or communication with Management branch, an ML2-200 must be installed and connected. • Connection to DS-NET is to be carried out using the XD4 board on ML2-200. • For more details regarding settings for the number of equipments connected to DS-NET...
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WARNING (i.e., CV cable of at least 2 mm When installing the ML2-200, follow the instructions in this mounting Completed precaution. Incorrect installation can result in serious accidents. (For details regarding any installation-related precautions not covered here, refer to the “Installation and Wiring Manual”.) •...
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Power & Ground Wiring WARNING The main power supply should be provided with a dedicated earth leakage circuit breaker (with overcurrent protection). In addition, D-class grounding (i.e., with ground resistance of 100 Ω or less) or better must be performed using the FG terminal. Failure to observe these precautions can result in electric shock or malfunction.
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FG must not be grounded. terminal at one end only. CMU-224HB N0 (A0) (yellow, white) N0 (A0) Communication adaptor ML2-200 N1 (A1) N1 (A1) (blue) D1 D2 FG MA5-901 control board N2 (A2) N2 (A2) (white) Shield (connected to FG...
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