ZIEHL TR440 Bedienungsanleitung

ZIEHL industrie –elektronik GmbH + Co KG

Daimlerstraße 13, D –74523 Schwäbisch Hall

+ 49 791 504-0, [email protected], www.ziehl.de

Temperature Relays and MINIKA® Mains Monitoring Digital Panelmeters MINIPAN® Switching Relays and Controls Measuring Transducers Grid- and Plant Protection

Operating Manual TR440

updated: 140407 Sc

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- Transformer protection temperature relay

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Table of contents

1Use and brief description....................................................................................................................... 3

2Overview of the functions...................................................................................................................... 3

3Connection diagram............................................................................................................................... 3

4Display and controls .............................................................................................................................. 5

5Important information ............................................................................................................................ 6

6Programs................................................................................................................................................. 7

7Installation .............................................................................................................................................. 7

8Start-up operation (commissioning) ..................................................................................................... 8

8.1 General instructions on operating .................................................................................................. 8

8.2 Display mode................................................................................................................................. 8

8.3 Menu mode.................................................................................................................................... 9

8.4 Configuration mode ....................................................................................................................... 9

8.5 Short operating diagram [Program 1]........................................................................................... 10

8.6 Short operating diagram [Program 2]........................................................................................... 11

8.7 Short operating diagram [Program 3]........................................................................................... 12

8.8 Short operating diagram [Program 4]........................................................................................... 13

8.9 Overview of commissioning......................................................................................................... 14

8.10 Selection of program number....................................................................................................... 14

8.11 Switch on device.......................................................................................................................... 14

8.12 Configure the sensors.................................................................................................................. 14

8.13 Configure the alarms ................................................................................................................... 15

8.14 Configure the relay test on K1...................................................................................................... 16

8.15 Configure the Modbus RS 485 interface (option)......................................................................... 17

8.16 Sensor simulation........................................................................................................................ 17

8.17 Code block................................................................................................................................... 18

8.18 Tips on operating......................................................................................................................... 18

8.19 Possible indications in display...................................................................................................... 19

9Factory settings.................................................................................................................................... 20

10 Maintenance and repair........................................................................................................................ 21

11 Trouble shooting.................................................................................................................................. 21

11.1 Display of program number, measurand and software version..................................................... 22

12 Technical data ...................................................................................................................................... 23

13 Mounting type SE 2 .............................................................................................................................. 24

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1 Use and brief description

Temperature relay to protect transformers against excess temperature and to control a fan.

The temperatures in the windings are monitored with three Pt 100 sensors. The core temperature can be

monitored with a fourth sensor.

The 4 alarms/output relays are used to control the fan, to signal an advance warning and to switch-off the

transformer. Various programs facilitate using the alarm ideally for each application. Depending on the

program, e.g. an extra relay is available for the fault message or for triggering due to exceeding the

maximum core temperature.

Other uses: Alternatively, with the fourth sensor the temperature of the room the transformer is located in

can be monitored and, with the alarm, the room ventilation can be controlled. The device can also be used

for other tasks for temperature monitoring

e.g., for motors.

2 Overview of the functions

4 Sensor inputs Pt 100 (RTD), 2 or 3-wire connection

Large monitoring range -199…+850°C / -199...+999°F

4 Alarms / Relays

3-digit digital display (resolution 1°C / 1°F)

4 LEDs sensor

4 LEDs relay

4 LEDs alarm

1 LED error

Control voltage AC/DC 24-240 V

Clear displays and simple programming

Min and max sensor values can be saved

Code block against unintended / unauthorised changes to the settings

Optional RS 485 interface with Modbus RTU protocol

EasySimulation for simple sensor value simulation

3 Connection diagram

There are various connection possibilities depending on the four adjustable programs.

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Program 1:

Program 2:

3 sensors in the windings:

3 sensors in the windings and 1 sensor in the

transformer core:

Fan/FAN (with cyclic test)

Advance warning 8alr8

Shutdown 8trp8

Malfunction (sensor error)

Fan/FAN (with cyclic test)

Advance warning (winding + core) 8alr8

Shutdown (winding + core) 8trp8

Malfunction (sensor error)

For the sensors in the windings and for the sensor

in the core, various limits can be set for each.

Program 3:

Program 4:

3 sensors in the windings and 1 sensor in the

transformer core:

3 sensors in the windings and 1 sensor in the

transformer core:

Fan/FAN (with cyclic test)

Advance warning (winding) / malfunction

combined 8alr8

Shutdown (winding) 8trp8

Shutdown (core) 8Cor8

Advance warning (winding) 8alr8

Shutdown (winding) 8trp8

Malfunction (sensor error)

Alarm 2 simultaneously to reach the advance

warning temperature and the fault message.

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4 Display and controls

1 Digital display (3 digits)

Display of sensor value

Display of error codes

Display of menu and configuration

mode

2 Right-hand decimal point

Off: The device is in the display

mode

Illuminated: The device is in the

menu mode

Flashes: The device is in the

configuration mode

3, 5 Up key / Down key (in display mode, normal state)

Change into the menu mode (see Operating instructions Point 8.3)

Press for 2 s: Displays min/max measurement of the selected sensor

Additionally pressing key set ≥ 2s deletes all min/max values

Press Up and Down ≥ 2s: EasySimulation, jumps into simulation mode for the sensors 1T

.. 3T (display 8S1-38)

4 Set/Reset key (in display mode, normal state)

Press briefly: Displays the next sensor (sensor LED illuminates)

Press for 2 s: Reset function, deletes a locked alarm

(=> [Delay time Alarm off] must have expired)

Press for 5 s: Displays the program number (e.g. 8PR38)

Press for 8 s: Displays the measurand (e.g. 8°C8)

Press for 10 s: Displays the software version (e.g. 8-008)

6 LED (red) error

Illuminated: Sensor error in one sensor circuit or an internal

device fault has occurred

7 LEDs (yellow) sensors

Illuminated:Displays the sensor value belonging to the LED in the

digital display

Flashes: Sensor error in the corresponding sensor circuit

8 LEDs (red) alarm

Illuminated: Alarm (1-4) has occurred

Flashes quickly (1:4): [Delay time Alarm on] running

Flashes long (4:1): [Delay time Alarm off] running

Flashes uniformly (1:1): Ready for reset, reset with key

Press "SET/RESET" ≥ 2s

9 LEDs (yellow) relay state

Illuminated:The relay belonging to the LED is operating

Off: The relay belonging to the LED is released

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5 Important information

WARNING

Hazardous electrical voltage!

Can lead to electric shock and burns.

Before starting work, switch plant and device voltage-free.

The flawless and safe operation of a device requires that it is shipped and stored appropriately,

professionally installed and put into operation and operated according to its intended use.

Only people who are familiar with the installation, commissioning and operation and who have

qualifications corresponding to their job are permitted to work on the device. They must comply with the

contents of the operating instructions, the notices attached to the device and the relevant safety

regulations for erecting and operating electrical plants.

The devices are built and certified in accordance with (DIN / VDE / EN / IEC) and leave the factory in a

safe and technically flawless condition. To maintain this state you must comply with the safety

regulations indicated with "Caution" in the operating instructions. Non-compliance with the safety

regulations can lead to death, bodily injury or property damage on the device itself and on other devices

and equipment.

If the information in the operating instructions is insufficient in any case whatsoever, please contact us

directly or contact the representation responsible for you.

Instead of the industrial norms and stipulations stated in the operating instructions and applicable in

Europe, you must comply with the valid and applicable instructions in the land of utilisation if the device

is used outside of the area of application.

Caution!

Devices with reclosing interlock (Reset) do not comply with

the conditions for safety circuits according to EN 60204. They must not

be used alone for functions in which an independent

restart must be prevented.

Caution!

If the operating current version is programmed for all relays, a failure of the control

voltage or the device will not be detected. When using as a monitoring device, the

operator must ensure that this error is detected through periodic function tests.

We recommend programming at least one relay in closed-circuit current version and

to correspondingly evaluate.

Attention! (Only devices with RS 485 interface)

Sensor-Inputs and Interface RS 485 are the same potential. Please regard.

RS 485 interface:

Large cable lengths may shift the potential ground and the transmission can be disturbed.

Corrective measures can be galvanic separation or an additional ground wire.

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6 Programs

4 programs (Pr) can be selected in the factory version. Starting from these programs, it is especially simple to

adapt the device to the application.

First select the program that fits your application and then change the individual parameters! All parameters

are reset with when switching the program to "factory settings" (see "Connection Diagram" and see "Factor

Settings").

Selecting the program:

Switch off control voltage supply

Keep the Set key pressed

Switch on control voltage supply

Wait at least 10s until 8PR 8appears in the display

Release the Set key

Select program (Pr 1... Pr 4) with the Up/Down keys

Press the Set key

Select the measurand (°C / °F) with the Up/Down keys

Press the Set key

Display 8---8appears, settings will be copied, device starts

Querying the program number

See

Point 11.1 Display of program number, measurand and software version

7 Installation

Comply with the maximum permissible temperature when installing. Ensure sufficient clearance to

other devices or heat sources. If cooling is inhibited, e.g., through close proximity to devices with

increased surface temperature or interference with the cooling air current, the permissible ambient

temperature is decreased.

Caution! Wide area power supply

The device has a wide area power supply that is suitable for DC and AC

voltages. Before you apply mains voltage to the device, make sure that the

permissible voltage range of the control voltage Us on the rear of the device

matches the mains voltage connected to the device!

Push the TR440 into the prepared 91 x 91 mm cut-out according to DIN 43700 from the control side.

To achieve the IP 54 degree of protection, install the supplied seal between the housing and the front

panel.

Push the fastening clasp onto both sides of the guide rails.

Screw the fastening clasps tight with a screwdriver.

Tighten both clasps uniformly.

Connect in accordance with the connection diagram or the rating plate.

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8 Start-up operation (commissioning)

8.1 General instructions on operating

On the decimal point behind the last 7-segment display one can recognise the device operating mode.

8.2 Display mode

Decimal point off (normal state for measurement display)

LED yellow (sensor)

one is illuminated

Display of the current sensor value (corresponds to the illuminated LED)

all illuminated

Display of the hottest measured temperature of all

connected sensors

alternating

illumination

All sensor values are displayed for 2s each consecutively

Briefly press the Set key:

Displays the next sensor value

Displays the hottest sensor value

Displays all sensor values consecutively

Displays errors on the TR440 with the error code

( 8Er18, 8Er288Er88, 8Er98, 8-EE8, 8EEE8)

Displays alarms (8Alr8, 8trp8,or 8Cor8)

LED yellow

Relay K1 .. K4

ON = Relay operating

OFF = Relay is released

LED red

Alarm 1 .. 4

Flashes 1:4 = [Alarm delay on] active

Flashes 4:1 = [Alarm delay off] active

Flashes 1:1 = Ready for reset, reset with key

Press "SET/RESET" ≥ 2s

ON = Alarm on

OFF = Alarm off

LED red

Error

ON = Fault in a sensor circuit

(yellow LED for the defective sensor flashes)

= internal device error (error code in display)

Function key

Set/Reset

Press briefly: Displays the next sensor (sensor LED illuminates)

Press for 2 s: Resets a locked alarm

Press for 5 s: Displays the program number

Press for 8 s: Displays the measurand

Press for 10 s: Displays the software version

Function keys

Up and Down

Press briefly: Change into the menus mode

Press for 2 s: Displays min/max measurement of the

selected sensor

Additionally pressing the Set key

≥ 2s deletes all min/max values

Press Up and Down ≥ 2s: EasySimulation, jumps into simulation

mode for the sensors 1T .. 3T

(display 8S1-38)

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8.3 Menu mode

Decimal point on

Select the menu items for viewing the parameters

Function keys

Up and Down

Press briefly: Select menu item; change into the display mode

Function key

Set/Reset

Press briefly: Change into the configuration mode

8.4 Configuration mode

Decimal point flashes

Function keys

Up and Down

Press briefly/long: Value change of the parameter (slow/fast)

Function key

Set/Reset

Press briefly: Copy the settings and select the next parameter after the

last parameter change in the menu mode

Hint:

If the Set/Reset key is pressed for 2s, one leaves the menu mode /

configuration mode and returns to the display mode. The same happens if no key is

pressed for 30s.

Exception in simulation mode:

If a locked alarm is present, it is reset by pressing the Set/Reset key for ≥ 2s.

If no locked alarm is present, returns to the display mode.

Return to the display mode after 15 minutes without any key activation.

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8.5 Short operating diagram [Program 1]

Configuration mode

Menu mode

Display mode

Stop bit:

from

Firmware -04

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