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20 BA 2076/02/01

7 Indication and Parameterization

Hysteresis

2,5

°C

Sav

e ?

YES

Delay-Time

2,0

Sav

e ?

YES

Alternate S1

Alternate On

Alternate Off

Save ?

YES NO

Setting the switching pointSetting the switching point

Setting the switching point

The temperature value can be set here at

which the switching contacts are to be

switched on.

The temperature value refers either to the

oil temperature or to the winding

temperature depending on the setting in the menu item

<Configuration>.

Setting the hysterSetting the hyster

Setting the hyster

esisesis

esis

The adjustable hysteresis always becomes

active when switching back (dropping

temperature). The respective relay is

switched when the switching point is

exceeded. Switch back takes place at the

value (switching point hysteresis).

The amount of hysteresis is set in this menu item. A minimum

hysteresis of 1% of the measuring range cannot be dropped

below.

Setting the delay timeSetting the delay time

Setting the delay time

The delay time can be used to provide a

time delay in the switching contact. If

the switching contact is not to be

switched until 30 seconds after the

switching point is reached, for example,

this value must be set in this menu item.

Assigning the switching contact to load change operAssigning the switching contact to load change oper

Assigning the switching contact to load change oper

ationation

ation

If the switching contact is added to the

load change circuit, <Alternate On> must

be set in this menu item. For more

information on the load change circuit,

see page 14 in chapter 5.7.

<Alternate Off> means that the switching contact is not

assigned to load change operation.

7.47.4

7.4

<MANUFACTURER> Menu<MANUFACTURER> Menu

<MANUFACTURER> Menu

The following manufacturer-specific data

are stored under this menu.

• Device type

• Serial number

• Date of manufacture

• Input range of the sensor

• Software version

• Software date

<-MANUFACTURER->

Device Type_

Serial No.

Manufact. Date

Input Range_

Software Version

Software Date_

RS485 Adresse

RS4RS48585-A-Addddresress_

7_7_

SavSave ? e ?

YESYES NO NO

7.57.5

7.5

<OPERATOR> Menu<OPERATOR> Menu

<OPERATOR> Menu

Information of the operator can be called

under this menu. Except for the setting of

the RS485 address, this information can

only be entered with the visualization

software.

The RS485 address is set with the <UP>

and <DOWN> keys and confirmed.

7.67.6

7.6

<USER> Menu<USER> Menu

<USER> Menu

The test function, the zero point

correction, the correction for temperature

losses and the indication of the actual

load current and the load factor are set up

under this menu.

Test functionTest function

Test function

This test function can be used to check

the relays of the switching points S1 to S4

as well as the optional relays of the

switching contacts for alarm and tripping.

The optional switching contacts for alarm

and tripping can be either included or

excluded during testing. Please select

according to requirement.

< -USER- >

Test-Function_

Offset-Correct._

Temp-Correction_

Act.Load-Current

Load-Factor (K)

Test-Function I

-T -TESEST-T-FUFUNCTNCTIOION-N-

- A- Alalarmrm/T/Trip rip

+ A+ Alalarmrm/T/Trip rip

TEST-FUNCTION_

!! active !!

20,0 °C_

WarningWarning

Warning

Depending on application, testing of the trip contact can

result in the shut-down of the transformer

Offset Correction

OffOffseset-t-CoCorrerrectct._

2,52,5 K K

Sa Saveve ? ?

YESYES NO NO

The actual temperature continues in the background. This

means that life consumption and data logging are not

distorted.

Test mode is deactivated when no key has been pressed for 10

minutes.

Zero point settingZero point setting

Zero point setting

Zero point errors which result, for example,

from the fact that the sensor is installed in

the wrong place can be corrected with this

function.

Switch Point

-P

oin

75,

0 °C

°C

Sav

e ?

YES

< -OPERATOR- >

Location

Transformer No._

Measuring Point_

Info

RS485-Address_

Address Name

For the test function the actual temperature is superimposed

by a simulated test temperature. The switching points S1 to S4,

alarm, trip and relevant relays are activated by means of the

test temperature. The test temperature values can be changed

using the <UP> and <DOWN> keys, whereby the switching

contacts are switched on or off accordingly.

Brand	MESSKO
Model	MTeC EPT202
Category	Thermometer
Language	English

MESSKO MTeC EPT202 User Manual

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MESSKO MTeC EPT202 Specifications