Dell UPS 2700R Manual de usuario descargar pdf (Pagina 10)

4 Installation

Installing the EMP

To install the EMP:

If you plan to monitor one or two external contact devices, connect external contact closure inputs to

the screw terminals on the EMP (see Figure 3 and Table 1).

NOTE: Contact closure devices can be normally open or normally closed.

Figure 3. Connecting External Contact Devices

Table 1. EMP Screw Terminal Pin Assignment

Device Pin Number Contact Wiring Default Configuration

Device 1 Connection

1 Contact 1 returns

Normally open

2 Contact 1 signal inputs

Device 2 Connection

3 Contact 2 returns

Normally open

4 Contact 2 signal input

Pins

1234

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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Dell UPS 2700R Manual de usuario Pagina 10