Emerson E2 User Manual download pdf (Page 37)

Echelon Network Boards and Peripherals Hardware Overview • 2-13

2.3.6 TD3 Temperature Display

The TD3 is a digital display unit designed to show both

case temperature and product temperature for a refriger-

ated store case or walk-in freezer. The TD3 mounts on the

front of a case and connects to up to three input devices (a

case temperature sensor, a product temperature probe, and

either a defrost termination probe or thermostat). The real-

time input values of these probes can be viewed on the

TD3’s digital display by pressing the function button on

the front panel to cycle through the temperatures.

The TD3 is connected to a central E2 RX controller via

the Echelon Network. Input values are sent to the E2 from

the TD3 for use in case circuit control.

A diagram of the TD3 layout is shown in Figure 2-22.

2.3.7 Facility Status Display (FSD)

The FSD reports alarm information and more, (such as

temperatures, occupancy, case status, and setpoints) and

provides a centralized device for store personnel to review

information by communicating with the E2 via Ethernet

connectivity (minimum E2 firmware rev. 2.68F01).

The FSD has a touch screen color display for quick

navigation and can be mounted in a separate, remote loca-

tion from the E2 controller, which enables alarms and

other relevant store information to be viewed from where

it is most convenient for the user.

The FSD can be configured to filter out notices and/or

return-to-normal alarms, and provides a quick review of

all advisories and detailed advisory information. The FSD

also receives alerts and provides annunciated alarms and

alarm information directly to store and department manag-

ers. This compact unit can be installed virtually anywhere

with a standard Ethernet connection and 120V power

source.

If more than one E2 controller is at a site, one E2 must

be set up as the alarm annunciator for that site. The FSD

will receive alarms from that alarm-annunciator E2 for the

entire site. The FSD will point only to a single E2 at a site

(it will not poll multiple controllers for alarms).

For more information, refer to the FSD Manual

(P/N 026-1400).

Figure 2-21

- ESR8 Board Layout

Figure 2-22 - TD3 Temperature Display Layout

Figure 2-23 - Facility Status Display

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