1. Installing Internal Optional Devices
Express5800/R120h-2M (2nd-Gen) User’s Guide
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Chapter 2 Preparations
6. Loosen the screws on the terminal block connector.
7. Connect the ground wire attached to the contact in Step 4 to the power supply unit (DC) with the screw, as
shown below.
Important
Make sure to connect it before connecting the power line.
8. Insert the power line (DC) into the left slot of the terminal block connector, and tighten the screw.