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DT4240 xx xx xx xx

20230503-V0

Communication interface (optional)

Type:

RS232 or RS485, (isolated)

Isolation voltage:

0.5 kV

RS485 termination resistance:

135 ohm, you can switch on by using a short
on the terminals

Baud rate:

300 / 600 / 1200 / 2400 / 4800 /

9600

Baud

Parity:

even

/ odd / none

Protocol:

MODBUS RTU slave

Address:

1-247 (factory setting:

)

Possible commands:

read of registers (3)

Ambient conditions

Operating temperature range

0 °C - +60 °C (-20 °C - +60 °C on request)

Storage temperature range

-25 °C - +70 °C

Climatic conditions:

MSZ EN 60654-1, class B2

Relative humidity:

90% (max., non-condensing)

Place of installation:

cabinet

Electromagnetic compatibility (EMC)

In accordance with the standard MSZ EN 61326-1

Emission:

Conducted: MSZ

55011

Limits for Class A equipments

Radiated: MSZ

55011

Limits for Class A equipments

Immunity:

ESD:

4 kV/8 kV contact / air

-B- criteria

BURST:

2 kV/1 kV power / signal

-B- criteria

SURGE: 1

-B-

criteria

Conducted RF:

3 Veff

-A- criteria

Содержание DT4240 Series

Страница 1: ...DT4240 xx xx xx xx AC Voltage Meter Operating Instructions...

Страница 2: ...ion 6 3 2 Type designation 6 3 3 Principle of operation 7 3 4 Adjustment 8 3 5 Display indicators 9 3 6 Storage and transport 9 4 Mounting 10 4 1 General instructions 10 4 2 Main dimensions of the ins...

Страница 3: ...mode 12 menu item 43 7 10 Clear minimum and maximum values 13 menu item 45 7 11 Analoge output signal setting 14 menu item 46 7 12 Assignment analog output low value to display value scaling 15 menu i...

Страница 4: ...available to these personnel and put into practice by them 1 3 Symbolism used Information tip note This symbol indicates helpful additional information Caution warning danger This symbol informs you o...

Страница 5: ...n give rise to application specific hazards or damage to system components through incorrect mounting or adjustment 2 4 General safety instructions The DT4240 xx xx xx xx is a high tech instrument req...

Страница 6: ...ope of delivery encompasses DT4240 xx xx xx xx 1 pc panel sealing 1 2 pc mounting clamps enclosed in a nylon bag 1 pc 4 element plug in terminal analogue or communication option 2 documentation this o...

Страница 7: ...gnal filtering output scaling display refresh rate limit modes limit values etc are stored in EEPROM The settings are protected by a two level password against unauthorized manipulation Options Two no...

Страница 8: ...processes the front panel membrane keypad drives the limit relays the analogue output and the communication output Power supply The instrument has two power supply version DT4240 xx xx xx 24 VDC 3 5...

Страница 9: ...nted through the communication output 3 6 Storage and transport This instrument should be stored and transport in places whose climatic conditions are in accordance with Chapter 10 1 Technical specifi...

Страница 10: ...d the panel when mounting the instrument to assure IP 65 from the front Mounting positions Select a mounting position you can easily read the display reach for mounting and connecting the instrument a...

Страница 11: ...standard 96 x 48 mm ABS case It can be fix in the panel with the two enclosed mounting clamps Preparatory steps Dimensions of panel cutout 1 Cut out the panel according to the figure shows above The c...

Страница 12: ...heck the fitting of the seal between case and mounting surface 4 Put one of the enclosed mounting clamp onto the tip of a screwdriver A and put the clamp with the help of the screwdriwer into the hole...

Страница 13: ...te the suitability of the connecting cable wire cross section insulation etc You may use either solid conductor or flexible conductor In case of using flexible conductor use crimped wire end In case o...

Страница 14: ...ly the polarity is indifferent The following figure shows the wiring plan connecting the DT4240 xx xx xx type instrument to the power supply Wiring plan connecting the instrument to the mains see also...

Страница 15: ...onnecting the input to the input voltage signal Wiring plan connecting the input see also Application example 1 Loosen terminal screws 2 Insert the wire ends into the open terminals according to the w...

Страница 16: ...ing plan connecting the limit relay outputs Wiring plan connecting the limit relay outputs see also Application example 1 Loosen terminal screws 2 Insert the wire ends into the open terminals accordin...

Страница 17: ...240 xx xx IA xx or in case of passive DT4240 xx xx IP xx output Wiring plan connecting the analogue output see also Application example Be careful the polarity of the cables 1 Loosen terminal screws 2...

Страница 18: ...le Be careful the polarity of the cables The RS 232 Modbus communication output should be used for short distance communication The maximum distance is 10 15 m it depends on the communication speed Yo...

Страница 19: ...example Be careful the polarity of the cables The RS 485 Modbus communication output should be used for long distance communication 32 instrument can be connected to the PLC or to the computer You can...

Страница 20: ...er supply voltage Put the instrument under supply voltage After you have completed the connections put the instrument under supply voltage If the supply connection is correct the display gives light T...

Страница 21: ...wer supply first you see on the display the value of the input voltage Input voltage is 0 V you will see Input voltage is 103 1 V you will see In the case of an error message If anything else appears...

Страница 22: ...emonics code words 5 digit length max presented on the display comes from English expressions in abbreviated form The following part gives a list of the possible mnemonics and their meaning The left s...

Страница 23: ...ason of error value to be displayed is 99999 Error Missing Minimum Maximum Reason of error the stored minimum and maximum values are cleared Error Save Reason of error the save of settings are failed...

Страница 24: ...lease Re type Automatic escaping Auto Escape over 4 minutes Exit from the setting Exit Calculations is in progress please wait Busy The requested operation has been completed Ready Error Error The sav...

Страница 25: ...the state of limit outputs don t change the communication option doesn t work and on the analogue output is error current 3 2 mA or 20 8 mA If no keys are pressed for a period of 4 minutes the instru...

Страница 26: ...rocess starts from operation 1 enable to display the three values sequentially When you release the button more than 5 sec and you press down the button again the minimum value will be displayed indep...

Страница 27: ...Rel 1 limit output indicator yellow indicates that the limit output 1 is in on state LIMIT1 2 Rel 2 limit output indicator yellow indicates that the limit output 2 is in on state LIMIT2 3 Status Commu...

Страница 28: ...Typing the code in 1 Press the MENU button The blinking mnemonic shows that the device is asking for the code 2 Three zeros appear The zero at the left side is blinking Pressing the button you can in...

Страница 29: ...nt displays the mnemonic Auto Escape after 4 minute has passed from the last pressing of a button and it RESTARTS i e goes back to the measuring mode This solution is due to security unauthorised pers...

Страница 30: ...0 1 Limit output 11 2 Limit output 37 page 12 Limit display mode 43 page 13 Clear Min max values 45 page 14 Analogue output select 46 page 15 Assign 4 mA to voltage 47 page 16 Assign 20 mA to voltage...

Страница 31: ...sired value For example you see on the display If you have choosen 50 Exit from the menu item 1 After finishing the settings press the MENU button to exit from the given menu item and you see 2 If you...

Страница 32: ...on the display The left digit is blinking indicating that it can be modify 5 Pressing the button you can step to the next digit 6 Pressing the button you can increese the value of blinking digit etc E...

Страница 33: ...it can be modify it signs that it can be modify 5 Pressing the button you can disable or enable the leading zeros Space space space s is are display instead of zero s leading zero s is are displayed f...

Страница 34: ...ressing the button as long as you see this menu item Averaging tlagol s 3 Enter the menu item by pressing the ENTER button 4 You see this on the display The mnemonic is blinking it signs that it can b...

Страница 35: ...ave typed in go on with the operation from point 3 of the Sequence of operations 3 If you don t want to exit the menu as you want to do further settings then you may select the desired menu items by p...

Страница 36: ...ns that it can be modify 5 Pressing the button select the time periods by which the instrument should display the new measurement values You can choose from the followings 1 0 second 1 5 seconds 2 0 s...

Страница 37: ...he button as long as you see this menu item Limit1 limit 1 3 Enter the menu item by pressing the ENTER button 4 4 You see this on the display L1 Limit 1 means limit output No 1 Blinking SS Settings me...

Страница 38: ...rocess through the limit outputs Cool The output gets switched on when the displayed physical value is higher than the high limit value H LI When the displayed voltage value is lower or equal than H L...

Страница 39: ...ressing button the sequence is etc So you can set any value between 9999 99999 14 After you have defined the value for the limit press the MENU button to exit from the sub menu item and you see this 1...

Страница 40: ...ror message on the display and the instrument substitute the wrong value for 000 00 or for 300 00 so you can not set invalid value The digit at the left side is blinking 19 Pressing button you can sel...

Страница 41: ...ue of high limit than the low limit value will get the value of high limit so the low limit value can not be greater then the high limit value The digit at the left side is blinking 26 Pressing the bu...

Страница 42: ...ing on according the display value and the limit value setting but it switching only off by pressing ENTER button limit signaling acknowledge Exit from the menu item 1 After finishing the settings pre...

Страница 43: ...signaling that it can be modify 5 Pressing button select the displaying mode You can choose from the following Dynamic dynamic It displays the limit output state as far as the ENTER button is pressed...

Страница 44: ...press the MENU button to exit from the menu item and you see this 2 If you want to change the setting you have done just now or if you just want to check what you have typed in go on with the operatio...

Страница 45: ...o exit as you do not want to clear the minimum and maximum values after all press the MENU button 6 If you want to clear the minimum and maximum values press the button to change the NO to YES I do no...

Страница 46: ...u can choose between the two output signal 4 20 mA current output Factory default 0 20 mA current output Exit from the menu item 1 After you have performed the setting press the MENU button This takes...

Страница 47: ...ations 1 Enter the menu by typing the supervisor code The way the code should be type in is described in Chapter 7 1 Typing the code in You see this on the display 2 Keep stepping by pressing the butt...

Страница 48: ...u have typed in continue the operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the menu as you want to perform further settings you may press the button to select...

Страница 49: ...u by typing the supervisor code The way the code should be type in is described in Chapter 7 1 Typing the code in You see this on the display 2 Keep stepping by pressing the button as long as you see...

Страница 50: ...u have typed in continue the operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the menu as you want to perform further settings you may press the button to select...

Страница 51: ...pping by pressing the button as long as you see this menu item MODBUS 3 Enter the menu item by pressing the ENTER button 4 The mnemonic MODBUS Address MODBUS c m is shown on the display Here you can s...

Страница 52: ...conds 2400 2400 bit seconds 4800 4800 bit seconds 9600 9600 bit seconds Factory default 13 After selecting data rate press MENU button you will see and the instrument exits from the menu item MODBUS p...

Страница 53: ...onse delay time can be in the 0 255 range If you set greater number you will see error message and the delay time will be set to 255 Pressing the MENU button you will see and the instrument exits from...

Страница 54: ...e menu item by pressing the ENTER button 4 You see this Test Display display test It s meaning Display test The mnemonic Itt a kijelz m k d k pess g t ellen rizheti If you want to test the display pre...

Страница 55: ...1 OFF 2 ON both are switched ON Rel1 Rel2 yellow indicators on the left side of the front panel indicate the ON status of the limit outputs 12 Press the MENU button to exit from the menu item and you...

Страница 56: ...e operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the menu as you want to perform further testing you may press the button to select the desired menu items Exit...

Страница 57: ...ssing the button you can select the next digit 6 Pressing the button you can increase the value of the blinking digit etc 7 After setting the new user code press MENU button 8 You have to type the new...

Страница 58: ...ge the setting you have performed just now or if you just want to check what you have typed in continue the operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the m...

Страница 59: ...the button you can select the next digit 6 Pressing the button you can increase the value of the blinking digit etc 7 After setting the new user code press MENU button 8 You have to type the new code...

Страница 60: ...u have performed just now or if you just want to check what you have typed in continue the operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the menu as you want t...

Страница 61: ...see this on the display 2 Keep stepping by pressing the button as long as you see this menu item Default settings default settings 3 Enter the menu item by pressing the ENTER button 4 The mnemonic is...

Страница 62: ...In the case of an error that causes total inability of the instrument to function nothing appears on the display 8 2 Repairing In accordance with Point 2 1 For safety and warranty reasons any interna...

Страница 63: ...er handle to make free the clamp Figure step 2 3 Keeping the screwdriver in this position draw back the mounting clamp Figure step 3 Please do not exercise forces higher than necessary as it may cause...

Страница 64: ...VA 3 5 W Input parameters Input signal AC voltage Range 0 125 VAC 0 250 VAC 0 450 VAC customer request Consumption of the input maximum 0 5 W Display Display unit LED 5 digit values 7 segment automat...

Страница 65: ...C after 10 min warm up time Accuracy 0 4 20 C Ta 60 C Temperature dependency 75 ppm C Burden max 500 ohm Overcurrent protection 25 mA Overvoltage protection 75 V normal polarity Reverse polarity prote...

Страница 66: ...rs 3 Ambient conditions Operating temperature range 0 C 60 C 20 C 60 C on request Storage temperature range 25 C 70 C Climatic conditions MSZ EN 60654 1 class B2 Relative humidity 90 max non condensin...

Страница 67: ...n IP 65 front IP 30 rear Mounting position optional Connection cable Power supply Signal option Limit output max 2 mm2 0 25 1 5 mm2 0 25 1 5 mm2 Connection Power supply Signal option Limit output scre...

Страница 68: ...DT4240 xx xx xx xx 68 20230503 V0 10 2 Application example Analog output option...

Страница 69: ...DT4240 xx xx xx xx 20230503 V0 69 RS232 communication interface option...

Страница 70: ...DT4240 xx xx xx xx 70 20230503 V0 RS484 communication interface option...

Страница 71: ...DT4240 xx xx xx xx 20230503 V0 71 RS485 bus topology...

Страница 72: ...n Min value 0 VAC 4 mA max value 1000 VAC 20 mA In a case of U 500 VAC the limit No 1 should be close The DT4240 xx xx xx xx parameter settings The voltage transformer ratio UX 4 The physical value as...

Страница 73: ...16 bit Remark the displayed value is 32 bit signed integer This value is without reference to the place of decimal point See refer the R1002 register also R1002 Number of decimal character 0 4 R1003 F...

Страница 74: ...DT4240 xx xx xx xx 74 20230503 V0...

Страница 75: ...DT4240 xx xx xx xx 20230503 V0 75...

Страница 76: ......

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