Rockwell-automation 22-XCOMM-DC-BASE DSI External Communications Kit Manual de usuario descargar pdf (Pagina 4)

The 20-XCOMM-AC-PS1 is an accessory AC-to-DC

converter for use with the External Comms Kits. It is used

when only 100…240V AC power is available inside a

control panel. The converter, which comes with

interchangeable plugs, is shown below. The converter

connects to an AC receptacle inside the control panel. Use

the appropriate plug for your region:

AC Power Adapter Specifications

Electrical Connections

Powering a Single Comms Kit

The DC output plug is connected to the mating DC ADP

connector on the 22-XCOMM-DC-BASE.

Powering Daisy-Chained Comms Kits

Additional Comms Kits can be powered by daisy-chaining

them together. For each Comms Kit in the chain, connect all

DC “+” terminals together and all DC “-” terminals together

(Figure 5

Figure 5 Powering Multiple Comms Kits via Daisy Chaining

The number of Comms Kits that can be daisy-chained

together is dependent on:

• Total current consumed by all of the communication

adapters being daisy-chained. For adapter current

consumptions at 24V DC, see DC Power Supply

Requirement on page 3.

• Available current output capacity of the AC-to-DC

converter being used.

The following example explains how to determine the

number of daisy-chained Comms Kits that can be powered:

Example:

Suppose the Comms Kits being daisy-chained

each have an installed 22-COMM-D DeviceNet adapter, and

that the kits will be powered by the 20-XCOMM-AC-PS1

converter which has an output capacity of 830 mA.

Since the current consumed by one Comms Kit is 60 mA,

divide the power source’s available output capacity by this

consumption (830 mA ÷

60 mA = 13.83), and round down

the result. For this example, up to 13 daisy-chained Comms

Kits can be powered.

AC Power Adapter (20-XCOMM-AC-PS1)

Input

Rated Input Voltage

Operating Input Voltage

AC Input Frequency

100…240V AC

90…264V AC

47…63 Hz

Output

Output Voltage

Output Current

24V DC

830 mA

TIP: It is highly recommended to use twisted wire

pairs for better noise immunity.

For use in

the US

For use in

the UK

For use in

Europe

For use in

Australia

DSI External Comms Kits

(22-XCOMM-DC-BASE)

AC-to-DC Converter

(20-XCOMM-AC-PS1)

. . .

www.rockwellautomation.com

Amer

cas:

Rockwell

Automation, 1201 South

Second

Street,

Milwaukee,

WI 53204

2496

USA,

Tel:

(1)

414.382.2000, Fax: (1)

414.382.4444

Europe

Middle East

Africa:

Rockwell

Automati

on,

Pegasus

Park,

De Kleetlaan 12a,

1831 Diegem, Belgium,

Tel: (32) 2 663

0600, Fax: (32) 2 663

0640

Asia Pacific: Rockwell Automation, Level 14,

Core F,

Cyberport

3, 100

Cyberport Road,

Hong Kong,

Tel: (852) 2887 4788, Fax:

(852) 2508

1846

Power,

Control

and

Information Solutions

Headquarters

Publication 22COMM-IN001E-EN-P – February, 2011 PN-105040

U.S. Allen-Bradley Drives Technical Support - Tel: (1) 262.512.8176, Fax: (1) 262.512.2222, Email: suppor[email protected]kwell.com, Online: www.ab.com/support/abdrives

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Rockwell-automation 22-XCOMM-DC-BASE DSI External Communications Kit Manual de usuario Pagina 4

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