Emerson E2 Manual do Operador descarregar pdf (Página 10)

Grommets are included to minimize the chance of

chaffing where the cable passes through sheet metal

openings.

Refer to figure 2.11 for details regarding the commu-

nication board jumper positions.

Important! Note that RS485 is polarity sensitive.

“Pos” wires must connect to other “Pos” terminals,

and “Neg” wires must connect to other “Neg” termi-

nals. The shield wire is connected to the center

terminal, or “0 volt” position. Refer to section 4.4.12

for voltage specifications.

Figure 2.10 Intelligent Store™ Discus®

Communications Board

Figure 2.11 Communications Wiring and Jumper

Position

2.5.1 Wiring Types

A shielded, twisted pair cable such as Belden #8641

(24 AWG) or Belden #8761 (22AWG) should be used

for the communication wiring.

2.6 Intelligent Store™ Discus® Service

Manual

Refer to sections 3, 4, and 5 of this document for

detailed commissioning, service and troubleshooting

instructions.

2.7 Compatibility of Service Compressors

The following S/Ns may be used to determine

whether service compressors are compatible with

Intelligent Store™ Discus® hardware and acces-

sories.

2D built on or after S/N 04D

3D built on or after S/N 04D

4D built on or after S/N 05D

2.8 Intelligent Store™ Discus® Model

Numbers

2D, 3D, and 4D Discus® compressors with a -600

series S/E (the last 3 digits of the model) are

equipped from the factory with Intelligent Store™

Discus® hardware and accessories.

Figure 2.12 Intelligent Store™ Discus® Model

Number

The number defines service valve configuration as

well as accessory content such as crankcase heaters,

liquid injection and modulation.

RS485 Connector in Intelligent

Store™ Discus® Front Box

Jumpers (3) for

Termination Definition

AE8-1337 R1

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 70 71

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