background image

 

 

 

 

 
 
 
 
 

DT4120 xx xx (PS) 

 
 

Temperature / Resistance / Potentiometer 
Meter-Transmitter 

 
 
 
 
 

Operating Instructions 

 

 

Summary of Contents for DT4120 Series

Page 1: ...DT4120 xx xx PS Temperature Resistance Potentiometer Meter Transmitter Operating Instructions...

Page 2: ...indicators 9 3 6 Storage and transport 9 4 Mounting 10 4 1 General instructions 10 4 2 Main dimensions of the instrument 10 4 3 Mounting 11 5 Connecting 13 5 1 Preparing the connection 13 5 2 Connecti...

Page 3: ...7 14 Clear minimum and maximum values 13 menu item 56 7 15 Analoge output signal setting 14 menu item 57 7 16 Assignment analog output low start value to display value scaling 15 menu item 58 7 17 As...

Page 4: ...ilable 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 of a...

Page 5: ...r incorrect use of the instrument can give rise to application specific hazards or damage to system components through incorrect mounting or adjustment 2 4 General safety instructions The DT4120 xx xx...

Page 6: ...ope of delivery encompasses DT4120 xx xx PS 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 oper...

Page 7: ...e keypad is a major advantage of the microcontroller based technology The configuration parameters input type input connection signal filtering output scaling display refresh rate limit modes limit va...

Page 8: ...ller The microcontroller drives the 5 digit LED display processes the front panel membrane keypad drives the limit relays the analogue output and the communication output Power supply The instrument h...

Page 9: ...granted 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 spec...

Page 10: ...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 an...

Page 11: ...dard 96 x 48 x 50 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...

Page 12: ...ck 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 o...

Page 13: ...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 of mains...

Page 14: ...olarity is indifferent The following figure shows the wiring plan connecting the DT4120 xx xx xx type instrument to the low voltage power supply Wiring plan connecting the instrument to the mains see...

Page 15: ...onnecting the input Wiring plan connecting the input see also Application example Be careful the polarity of the cables 1 Loosen terminal screws 2 Insert the wire ends into the open terminals accordin...

Page 16: ...stripped cable end until it possible into the terminal assembly In the case of flexible cable ends you can facilitate opening the connection part by pushing down the white button 2 By pushing the wire...

Page 17: ...0 xx xx IA xx or in case of passive DT4120 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 I...

Page 18: ...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 You...

Page 19: ...ind useful information about the Modbus communication at www modbus org 1 Loosen terminal screws 2 Insert the wire ends into the open terminals according to the wiring plan 3 Screw the terminal in 4 C...

Page 20: ...e display of the instrument shows the measured temperature Accordingly if the temperature is 24 2 degrees centigrade the following is shown on the display If it is 123 7 C then In the case of an error...

Page 21: ...English expressions in abbreviated form The following part gives a list of the possible mnemonics and their meaning The left side column shows the characters appearing on the display The right side c...

Page 22: ...aximum values Error Missing Minimum Maximum Saving the last settings was not successful Error Save Scaleing error Scale Reason of error the given physical value is not correct Messages of critical err...

Page 23: ...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...

Page 24: ...is button the instrument will ask for a password code in accordance with Chapter 7 1 Typing the code password in when the right code has been given it enters into the menu During this time the measure...

Page 25: ...will be displayed as long as the button is pressed down 3 Press the button second time as long as you see this The mnemonic indicates that it will be displayed the maximum value measured after the la...

Page 26: ...get used this sequence minimum value maximum value firmware version To clear minimum and maximum values is possible as written in 14 Menu item after log in as a supervisor Clear Minimum and maximum va...

Page 27: ...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 1 is in on state LIMIT2 3 Status Communic...

Page 28: ...yping 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 incr...

Page 29: ...t displays the mnemonic Auto Escape after 1 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 perso...

Page 30: ...umber 45 page 09 Display refresh time 47 page 10 1 Limit output 11 2 Limit output 48 page 12 Limit display mode 54 page 13 Clear Min max values 56 page 14 Analogue output select 57 page 15 Assign 4 mA...

Page 31: ...ired 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...

Page 32: ...e on the display 2 Keep stepping by pressing the button as long as you see this menu item Wire wire 3 Enter the menu item by pressing the ENTER button 4 You see the mnemonic on the display The left di...

Page 33: ...Exit from the menu Press the MENU button First the mnemonic Save then the mnemonic Exit are shown on the display With this the storing of the settings is completed The instrument has exited the menu a...

Page 34: ...tem Resistance 2 Wire 2 wire resistance mode Null zero 3 Enter the menu item by pressing the ENTER button 4 When the earlier selected wire mode is not 2 wire you will see Failed feiled The mnemonic is...

Page 35: ...2 If you want to change the settings you have done just now go on with the operation from point 3 of the Sequence of operations 3 If you don t want to exit the menu you want to do further settings the...

Page 36: ...it is recommended to choose the correction points at about 20 50 80 of the measurement range Note The accuracy of this correction method depends on the accuracy of the calibrating instrument Example...

Page 37: ...the button you can increase the value of the blinking digit etc 8 When the left digit is selected pressing button the sequence is etc So you can enter the desired temperature value between 200 0 C 800...

Page 38: ...ss MENU button You will see on the display 15 For entering the third correction value press button You will see on the display Enter the menu item by pressing the ENTER button 16 According with steps...

Page 39: ...ill see mnemonic on the display Check the entered value and correct it 2 When you are going to modify the setting go on from the Sequence of operation step 3 3 If you don t want to exit the menu you w...

Page 40: ...is blinking indicating that it can be modify 5 Pressing the button you select from the input modes Pt100 Pt1000 temperature measurement measured in C with 0 1 C resolution Factory default Potentiomete...

Page 41: ...have 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 you want to do further settings then you may select the desired menu items by pr...

Page 42: ...Enter the menu by typing a supervisor code The way the code should be type is described in Chapter 7 1 Typing the code in You see on the display 2 Keep stepping by pressing the button as long as you...

Page 43: ...have 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 you want to do further settings then you may select the desired menu items by pr...

Page 44: ...sing the button you can select from the following options no rounding Factory default rounding to 2 rounding to 5 rounding to 10 rounding to 20 rounding to 50 rounding to 100 Exit from menu item 1 Aft...

Page 45: ...is 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 be modify 5 Pressing the button select th...

Page 46: ...e 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 pre...

Page 47: ...it signs 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...

Page 48: ...e 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 mea...

Page 49: ...cess 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 current value is lower or equal than H LI...

Page 50: ...essing 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 15...

Page 51: ...or 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 sele...

Page 52: ...e 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 but...

Page 53: ...g 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 press...

Page 54: ...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...

Page 55: ...ess 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 operation...

Page 56: ...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 not...

Page 57: ...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 y...

Page 58: ...nu item Sequence of operations 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 stepp...

Page 59: ...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 th...

Page 60: ...tions 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 butto...

Page 61: ...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 th...

Page 62: ...y 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 set the...

Page 63: ...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...

Page 64: ...se 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 t...

Page 65: ...u item Test test 3 Enter the menu item by pressing the ENTER button 4 You see this Test Display display test It s meaning Display test If you want to test the display press the ENTER button 5 You see...

Page 66: ...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...

Page 67: ...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 fr...

Page 68: ...sing 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...

Page 69: ...nge 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...

Page 70: ...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...

Page 71: ...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 menu as you want...

Page 72: ...see Meaning P potentiometer meaning c calibration meaning 000 here you can assign the position to 0 The numerical value is blinking Enter the menu item by pressing the ENTER button 5 You can see on t...

Page 73: ...can be modify 17 You can exit from this menu item by pressing the MENU button 18 If you want to assign this position to 100 press button You can see on the display 19 Press ENTER button the caliblati...

Page 74: ...l range 25 Keep stepping by pressing the button as long as you see this menu item Potentiometer Scale 000 potentiometer scaling 0 26 Enter the menu item by pressing the ENTER button 27 You will see on...

Page 75: ...can set any number between 9999 99999 38 After setting exit from this menu item by pressing MENU button You can see on the display Exit from the menu item After finishing settings press the MENU butt...

Page 76: ...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 shown on the display The...

Page 77: ...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 internal...

Page 78: ...ut off power supply and disconnect all wires 1 Slip the tip of the screwdriver into the hole of the mounting clamp A Figure step 1 2 Move the screwdriver handle to make free the clamp Figure step 2 3...

Page 79: ...e concerning EU directive the Manufacturer undertakes the disposal of the instrument that are manufactured by it and intended to be destroyed Please deliver it in contamination free condition to the s...

Page 80: ...tance potentiometer Input signal Pt1000 type Pt1000 resistance potentiometer Measuring range Pt100 type Pt100 200 800 C resistance potentiometer 0 400 Measuring range Pt1000 type Pt1000 200 800 C resi...

Page 81: ...ection 25 mA Overvoltage protection 75 V normal polarity Reverse polarity protected by 63 mA fuse Isolation voltage 0 5 kV Passive analog output optional Output type galvanic isolated DC current Outpu...

Page 82: ...ters 3 Ambient conditions Operating temperature range 0 60 C 20 60 C on request Storage temperature range 25 70 C Climatic conditions EN 60654 1 class B2 Relative humidity 90 max non condensing Place...

Page 83: ...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 outputs 2 pole screw term...

Page 84: ...DT4120 xx xx PS 84 20170324 V0 10 2 Application example Analog output option...

Page 85: ...DT4120 xx xx PS 20170324 V0 85 RS232 communication interface option...

Page 86: ...DT4120 xx xx PS 86 20170324 V0 RS485 communication interface option...

Page 87: ...DT4120 xx xx PS 20170324 V0 87 RS485 bus topology...

Page 88: ...with 4 wire connection A DT4120 xx xx PS has an analog output option output level 4 20 mA scaleing 0 C 4 mA 100 C 20 mA Limit 1 is active when T 90 C hysteresis 0 1 C Leading zeroe s are disabled The...

Page 89: ...er 0 4 Caution The displayed value R1000 and R1001 is valid only when fault R1003 is 0 R1003 Error 0 no error 1 missing calibration repearing must be carried out in service 2 input not connected 3 pot...

Page 90: ...DT4120 xx xx PS 90 20170324 V0...

Page 91: ...DT4120 xx xx PS 20170324 V0 91...

Page 92: ......

Reviews: