Varec Data Entry Terminal 8620 Installation and opertions Manual de Instruções descarregar pdf (Página 17)

8620 Driver Entry Terminal

Varec, Inc. 9

3 Wiring

This chapter describes wiring requirements for the 8620 DET. Wiring should be performed after

the unit is installed.

3.1 Overview

Field wiring of the 8620 DET consists of the following:

• Power (AC/DC)

• Communications (RS-232, RS-485/422, or Ethernet)

• Digital I/O (Optional)

• Power Disconnect Device

a. a switch or circuit-breaker shall be included in the building installation;

b. it shall be in close proximity to the equipment and within easy reach of the operator;

and

c. it shall be marked as the disconnecting device for the equipment.

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Varec Data Entry Terminal 8620 Installation and opertions Manual de Instruções Página 17