Rockwell-automation 592- E300 Overload Relay User Manual Uživatelský manuál stáhnout pdf (Strana 17)

Rockwell Automation Publication 193-UM015B-EN-P - June 2014 17

Product Overview Chapter 1

turn dials, and it provides diagnostic LEDs to provide system status at the panel.

The E300 Electronic Overload Relay supports two network protocols:

• EtherNet/IP

• DeviceNet

The

E300 EtherNet/IP Communication Module has two RJ-45 connectors that

funct

ion as a switch. Users can daisy chain multiple E300 Electronic Overload

Relays with Ethernet cable, and the module supports a Device Level Ring (DLR).

Optional Add-On Modules

Optional Expansion I/O

The E300 Electronic Overload Relay allows the user to add additional digital and

analog I/O to the system via the E300 Electronic Overload Relay Expansion Bus

if the native I/O count is not sufficient for the application on the base relay. Users

can add up to four additional Digital I/O Expansion Modules that have 4 inputs

(120V AC, 240V AC, or 24V DC) and 2 relay outputs.

Users can also add up to four additional Analog I/O Expansion Modules, which

have three independent universal analog inputs and one isolated analog output.

The independent universal analog inputs can accept the following signals:

• 4…20 m

• 0…20 mA

• 0…10V DC

• 1…5V DC

• 0…5V DC

• RTD Sensors (Pt, Cu, Ni, & NiFe)

• NTC Sensors

The is

lated analog output can be programmed to reference a traditional analog

signa

l (4…20 mA, 0…20 mA, or 0…10V DC) to represent the following

diagnostic values:

• Average %FLA

• %TCU

• Ground Fault Current

• Current Imbalance

• Average L-L Voltage

• Voltage Imbalance

• To ta l kW

• To ta l kVA R

• To ta l kVA

• To ta l Po we r Fa ct or

• User Defined Value

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 423 424

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