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SIMOCODE 3UF Motor Management and Control Devices

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Siemens LV 1 T · 2006

SIMOCODE pro 3UF7

motor management and control devices

Expansion with a ground fault measuring module with an

external summation current transformer

Instead of ground fault monitoring using the current measuring

modules or current/voltage measuring modules, it may be

necessary, especially in high-impedance grounded networks, to

implement ground fault monitoring for smaller ground fault

currents using a summation current transformer. A ground fault

module can be used to add an additional input to basic unit 2 for

connection of a summation current transformer (3UL2 20.-.A).

Maximum one ground fault module can be connected to one

basic unit 2.

3UF7 500-1AA00-0 ground fault module

1 input for connecting a summation current transformer

(3UL2 20.-.A)

1 Ready LED

2 system interfaces for connection

• To basic unit 2

• Of expansion modules

• Of a current measuring module or current/voltage measuring

module

• Of an operator panel

Note:

A ground fault module can only be used with a basic unit 2,

product version E02 and later (from April 2005).

Expansion of analog temperature monitoring with a

temperature module

Independently of the thermistor motor protection of the basic

units, up to 3 analog temperature sensors can be evaluated

using a temperature module.

The temperatures measured here can be completely integrated

in the process, monitored and supplied to a higher-level

automation system. The temperature module can be used, for

example, for analog monitoring of the temperature of the motor

windings or bearings or for monitoring the coolant or gear oil

temperature. Various sensor types are supported (resistance

sensors) for use in solid, liquid or gaseous media:

• PT100/PT1000

• KTY83/KTY84

•NTC

Maximum one temperature module can be connected to one

basic unit 2. The same sensor type must be used in all sensor

measuring circuits.

3UF7 700-1AA00-0 temperature module

3 inputs for connecting up to 3 resistance sensors in 2-wire or

3-wire circuits

1 Ready LED

2 system interfaces for connection

• To basic unit 2

• Of expansion modules

• Of a current measuring module or current/voltage measuring

module

• Of an operator panel

Note:

A temperature module can only be used with a basic unit 2,

product version E02 and later (from April 2005).

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