Electrical Connections

2.3.4Output Dry Contacts

There are three output dry contact relays at the X1 slot (see Figure 9 and Table 4).

Figure 9 Output dry contacts and EPO wiring for firmware before M170

X1

 

J13

 

 

J21

 

 

J25

 

BFP C

BFP S

BFP O

INV C

INV S

INV O

ACF C

ACF S

ACF O

NOTE: The black square on each slot indicates Pin 1.

Table 4

Output dry contact relays

 

 

 

Position

Name

Description

 

 

 

J13.2

BFP_O

Bypass feedback protection relay. Normally open. Closed when bypass SCR is shorted.

 

 

 

J13.3

BFP_S

Bypass feedback protection relay center

 

 

 

J13.4

BFP_C

Bypass feedback protection relay. Normally closed. Open when bypass SCR is shorted.

 

 

 

J21.2

INV_O

Inverter mode relay. Normally open. Closed when UPS is in inverter mode.

 

 

 

J21.3

INV_S

Inverter mode relay center

 

 

 

J21.4

INV_C

Inverter mode relay. Normally closed. Open when UPS is in inverter mode.

 

 

 

J25.2

ACF_O

Main input fault relay. Normally open. Closed when main input is in fault.

 

 

 

J25.3

ACF_S

Main input fault relay center

 

 

 

J25.4

ACF_C

Main input fault relay. Normally closed. Open when main input is in fault.

 

 

 

NOTE

All auxiliary cables of terminal must be double-insulated. Wire should be 20-16AWG stranded for maximum runs between 82 and 197 feet (25-60m), respectively.

19

Page 26 Page 28
Page 27
Image 27
Emerson 480V user manual Output Dry Contacts, Output dry contact relays, Bypass feedback protection relay center
Page 26 Page 28

480V specifications

The Emerson 480V power systems play a critical role in modern industrial applications, providing reliable and efficient power distribution. These systems are designed for facilities that require robust performance and operational efficiency while adhering to safety regulations. With voltage ratings at 480V, they cater primarily to industries such as manufacturing, data centers, and commercial buildings.

One of the main features of the Emerson 480V systems is their scalability. These systems can be easily adapted and expanded as operational demands grow, thereby reducing initial investment costs and providing a flexible solution for evolving business needs. This ability to scale is crucial in a fast-paced environment where demands can change rapidly.

The Emerson 480V systems also incorporate advanced technologies for improved performance and safety. One key technology is the use of smart grid solutions. This enables real-time monitoring, diagnostics, and control, allowing facility managers to optimize energy consumption and reduce operational costs. Furthermore, these systems often include integrated protection devices that enhance safety measures by minimizing the risk of electrical faults, overloads, or short circuits.

Energy efficiency is another characteristic that distinguishes Emerson 480V systems from traditional alternatives. With advanced power management features, these systems effectively reduce energy waste and lower electricity bills. Emerson’s commitment to sustainability is evident in its designs, which aim to minimize environmental impact through energy-efficient technologies.

The build quality of Emerson 480V systems is also noteworthy. They are designed to withstand harsh industrial environments and are constructed with high-grade materials that promote longevity and reliability. The modular design allows for easy maintenance and repair, which further extends the lifespan of the system.

Additionally, Emerson 480V systems are equipped with user-friendly interfaces that facilitate ease of operation. This ensures that operators can efficiently manage and control power distribution without extensive training. The combination of performance, scalability, safety features, and user-centric design makes Emerson 480V systems an ideal choice for businesses looking to enhance their electrical infrastructure.

In summary, Emerson 480V power systems are a leading solution for industrial power distribution, characterized by their scalability, smart technology integration, energy efficiency, robust build quality, and user-friendly operation. These attributes make them a valuable investment for any organization aiming to improve its electrical management and operational performance.
Top Page Image Contents