Emerson E2 Manual del operador descargar pdf (Pagina 18)

3.10 Intelligent Store™ Discus®

Commissioning Procedure for E2

Firmware Revisions 2.07 through 2.20

Each Intelligent Store™ Discus® Compressor module

(referred to as “CST” in the E2) is connected to the E2

via the RS-485 communications network. As with

other devices, the module must first be “commis-

sioned” to establish communications with the rack

controller. During this commissioning process the E2

will designate a specific subnet and node address for

each module (front control box) that is connected. It

will also upload and store a master record of the

model number, serial number, and programmable set-

tings from each module.

Warning: E2 programs from a previously commis-

sioned store should not be transferred to the new

E2 to short-cut the commissioning process.

The commissioning process can be broken down into

the following steps:

1. Node Recovery

2. Configuring Applications

a. Module Renaming

b. Suction Pressure Mapping

c. Setting Failsafe Mode

3. Suction Group Setup

a. Suction Group Associations

b. Welded Contactor Setup

c. Compressor Run Proofing

There are two main menus that must be accessed to

perform module commissioning. These are the CST

Network Status screen and the CST Setup screen. To

access these screens, refer to figures 3.17 and 3.18

below:

Figure 3.17 CST Network Status screen navigation (Key sequence 7-7-1)

Figure 3.18 CST Setup screen navigation (Key sequence 5-35)

AE8-1337 R1

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Emerson E2 Manual del operador Pagina 18