Emerson E2 Manual do Operador descarregar pdf (Página 16)

Figure 3.11 ISD Summary Screen

Select the compressor that you wish to rename and

Press F5 (Setup). The ISD Compressor Setup Screen

should be displayed as shown in figure 3.12. Key in

the desired text for the new module name. Additional

information for this compressor may be entered in the

category for Long Name.

Figure 3.12 ISD Setup Screen (General)

3.5 Proofing

Proofing verifies that the compressor is turning ON

and OFF as commanded by the E2 rack controller.

This is accomplished by comparing the run command

status from the E2 with the built in proof checking out-

put of the module. In the event that a compressor fails

proofing, the E2 can call on another compressor to

satisfy demand. To enable proofing, follow these

steps:

1. Press menu to open the Main Menu.

2. Press 5 (Configured Applications).

3. Press 1 (Suction Groups).

4. Highlight the appropriate suction group and press

F5 (Setup).

5. Press F2 (Next Tab) until the Comp Setup tab is

highlighted.

6. Select Yes under the Proof column.

7. Press F2 (Next Tab) until the More tab is high-

lighted. Once the More tab has been selected, the

display should look like figure 3.13.

8. Press F3 (Edit).

9. Press 1 (Alternate I/O Formats).

10. Press 2 to select the Controller / Application /

Property format.

The ISD module has built in proofing detection, so it

is considered the controller for this function. Using

the F4: Lookup key, select the appropriate ISD mod-

ule under controller, the appropriate ISD module

under application, and COMP RUN PROOF under

output.

Note: The COMP RUN PROOF selection will not be

displayed on the Suction Group Setup screen unless

proofing has been enabled by selecting Yes under the

Proof column on the Comp Setup tab.

Figure 3.13 Suction Group Setup Screen

(Proof Setup)

3.6 Welded Contactor

E2 controllers loaded with version 2.21 and later

firmware no longer require special instructions for

welded contactor setup. These associations are

performed automatically by the E2 when the steps in

section 3.3 (Configuring Associations) are performed.

3.7 Failsafe Operation

As with other devices controlled by the E2, each

module may be programmed to operate independent-

ly in the event that communications are lost. The

normal modes of operation are compressor ON or

AE8-1337 R1

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