3RN1 datasheet(30/114 Pages) ETC2

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SIMOCODE 3UF Motor Management and Control Devices

SIMOCODE-DP 3UF5

motor protection and control devices

7/30

Siemens LV 1 T · 2006

Auxiliary circuits/control circuits

Rated control supply voltage Us

AC 50/60 Hz; 115 V and 230 V

24 V DC

Operating range

AC 50/60 Hz 0.85 ... 1.1 x Us

24 V DC; 0.85 ... 1.2

Power input

AC 50/60 Hz; 5 VA

24 V DC; 5 W

Rated insulation voltage Ui

300 (at pollution degree 3)

Rated impulse withstand voltage Uimp

Outputs

•Number

4 monostable/bistable outputs depending on the variant

• Auxiliary contacts of the 4 outputs

NC contact response can be parameterized by means of internal signal

conditioning; 3 outputs jointly and 1 separately connected to common potential; they

can be freely assigned to the control functions (e.g. for activating mains, wye and

delta contactors and signaling the operating status)

• Specified short-circuit protection

for auxiliary contacts (outputs)

Fuse links, gL/gA operational class 6 A, quick 10 A; circuit-breaker 1.6 A,

C characteristic

Rated uninterrupted current

Rated operational current

(switching capacity)

AC-15; 6 A/24 V; 6 A/120 V; 3 A/230 V

DC-13; 2 A/24 V; 0.55 A/60 V; 0.25 A/125 V

Inputs

4 inputs, supplied by the device electronics (24 V DC), jointly connected to a

common potential, for injecting process signals such as local control points, key-

operated switches or limit switches

Thermistor motor protection

(binary PTC thermistor)

• Summation cold resistance

1.5

• Operating value

2.7 ... 3.1

• Return value

1.5 ... 1.65

Conductor cross-sections

• Tightening torque

0.8 ... 1.2

• Solid and stranded

mm2

(0.5 ... 4.0); 2 (0.5 ... 2.5)

• Finely stranded with or without end sleeve

mm2

(0.5 ... 2.5); 2 (0.5 ... 1.5)

Expansion modules

System interfaces

RS 232 as connection to the basic unit and for connecting the operator panel or PC

Rated insulation voltage Ui

300 (at pollution degree 3)

Rated impulse withstand voltage Uimp

Outputs

•Number

4 bistable outputs

• Auxiliary contacts of the 4 outputs

Each with 1 floating NO contact, NC contact response can be parameterized with

internal signal conditioning, 3 outputs are jointly and 1 is separately connected to a

common potential; they can be freely assigned to the control functions (e.g. for

activating mains, wye and delta contactors and for signaling the operating status)

• Specified short-circuit protection

for auxiliary contacts (outputs)

Fuse links, operational class gL/gA 6 A, quick 10 A;

circuit-breaker 1.6 A, C characteristic

Rated uninterrupted current

Rated operational current

(switching capacity)

AC-15; 6 A/24 V; 6 A/120 V; 3 A/230 V

DC-13; 2 A/24 V; 0.55 A/60 V; 0.25 A/125 V

Inputs

8 externally supplied with 24 V DC, 115 V AC or 230 V AC depending on the variant,

jointly connected to a common potential, for injecting process signals such as local

control points, key-operated switches or limit switches

Conductor cross-sections

• Tightening torque

0.8 ... 1.2

• Solid and stranded

mm2

(0.5 ... 4.0); 2 (0.5 ... 2.5)

• Finely stranded with or without end sleeve

mm2

(0.5 ... 2.5); 2 (0.5 ... 1.5)

Operator panels

Displays

• Green "Ready" LED

Continuous light: "Ready"

Off: "No control supply voltage" or "Function test not OK; device is disabled"

• Red "General Fault" LED

Continuous light/blinklight: "Feeder fault", e.g. overload tripping

• 3 green and 3 yellow LEDs

Feeder-specific displays, freely-assignable, e.g. manual/automatic mode, tripping of

thermistor protection, clockwise/counterclockwise rotation etc.

Keys

• Test/Reset

by pressing the Test/Reset button, the device can be reset following a trip or its

functions can be tested

• Control keys

for controlling the motor feeder, freely programmable

System interfaces

RS 232 as connection to the basic unit, to the expansion module and for connection

to PC

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