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Page 22 of 54

3.4 – Programming of Thermocouple input

When configuring the meter for thermocouple input, the
temperature ranges and resolution available are:

Input

Range (res. 0.1 º)

Range (res. 1º)

(-50.0 to +850.0) ºC

(-50 to +850) ºC

Thermo-couple J

(58.0 to +156.0) ºF

(58 to +156) ºF

(-50.0 to +1250.0) ºC

(-50 to +1250) ºC

Thermo-couple K

(-58.0 to +2282.0) ºF

(-58 to +2282) ºF

(-200.0 to +400.0) ºC

(-200 to +400) ºC

Thermo-couple T

(-328.0 to +752.0) ºF

(-328 to +752) ºF

The  Thermocouple  software  menu  allows  selection  of  temperature
units  (Celsius  or  Fahrenheit),  resolution  (degree  or  tenth  of
degrees)  and  a  display  offset.  Provision  is  made  to  allow  for  a
sensor  offset.  If  there  is  a  difference  between  the  temperature
under  measurement  and  the  temperature  read  by  the  sensor,  this
can be corrected by programming an offset from -9.9 to +9.9, with
0.1  º  resolution,  or  from  -99  to  +99,  with  1  º  resolution.

LED

‘TARE’ will light up each time that an offset value is
programmed.

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Summary of Contents for DM4500U

Page 1: ...Page 1 of 54 PROCESS CONTROL TEMPERATURE AND LOAD CELL INDICATOR INSTRUCTION MANUAL DM4500U ...

Page 2: ...Page 2 of 54 ...

Page 3: ...OGRAMMING 25 4 1 Scale 26 4 1 1 Scale programming 28 4 2 Filter 30 4 3 Round 30 4 4 Brightness 30 4 5 Tare Mode 30 5 FUNCTIONS BY KEYBOARD AND BY CONNECTOR 33 5 1 Functions by keyboard 33 5 2 Functions by connector 36 5 2 1 Logical functions diagram 37 5 2 2 Table of programmable functions 37 5 2 3 Functions programming 38 6 PROGRAMMING LOCK OUT BY SOFTWARE 39 6 1 Security menu diagram 40 7 OUTPUT...

Page 4: ...ng and memorisation of max and min values peak valley tare and reset function and a full complement of programmable logic functions In addition a variety of output options can be installed at the factory from the list below COMMUNICATION OPT4500 485 Serial RS485 CONTROL OPT4500 mA Analogue 4 to 20 mA OPT4500 V Analogue 0 to 10 V OPT4500 2R 2 x Relays SPDT 8A OPT4500 4R 4 Relays SPST 5A OPT4500 NPN...

Page 5: ...d allows access to several independent programming menus for configuration of the input the display and the logic functions If additional options are installed serial outputs analogue output and relays output once recognised by the instrument they activate their own programming software Programming lock out See section 6 The software can be configured to allow total programming lockout but also se...

Page 6: ...age 6 of 54 Front 96 x 48 mm Depth 60 mm Panel cut out 92 x 45 mm CLEANING Front cover should be cleaned only with a soft cloth soaked in neutral soap product DO NOT USE SOLVENTS Dimensions and mounting ...

Page 7: ... programming of all the parameters contained in the current routine In the last step of the routine by pressing the key StorE will be displayed and all changes are stored in memory Then the instrument will return to the run mode How is programming routine organised Programming software is composed by a number of menus and submenus In the diagram below beginning with indication Pro press repeatedly...

Page 8: ... display will show the first digit to be programmed flashing Digit selecting Press repeatedly the key to shift from left to right over all the display digits Changing the digit value Press the key repeatedly to increase the value of flashing digit until it has the desired value The minus sign is programmed depending on the variable type A variable that represents the value of an input will be able...

Page 9: ...he electromagnetic compatibility the following guidelines should be kept in mind Power supply wires should be routed separately from signal wires Never run power and signal wires in the same conduit Use shielded cable for signal wiring and connect the shield to the ground of the indicator The cable section should be 0 25 mm2 INSTALLATION To meet the requirements of the directive EN61010 1 where th...

Page 10: ...clamp tool down to open the clamp inside the connector as indicated in the figures CN1 terminal accepts cables of section between 0 33 mm and 2 mm 22 to 14 AWG Recommended cables size 2 0 mm CN2 CN3 To perform wiring connections strip the wire leaving between 5 and 6 mm exposed and insert it in the required terminal while pushing the fingertip tool in to open the clamp inside the connector as indi...

Page 11: ...Sec 4 O 4 Program remote inputs Sec 5 2 R 5 Install and configure output option s Sec 7 op 6 Programming lock out Sec 6 R As thermometer Pt100 1 Input Configuration Sec 3 3 O 2 Input Connection Sec 3 3 1 O 3 Program remote inputs Sec 5 2 R 4 Install and configure output option s Sec 7 op 5 Programming lock out Sec 6 R As Load cell indicator 1 Input Configuration Sec 3 2 O 2 Input Connection Sec 3 ...

Page 12: ...of 54 As thermometer thermocouple 1 Input Configuration Sec 3 4 O 2 Input Connection Sec 3 4 1 O 3 Program remote inputs Sec 5 2 R 4 Install and configure output option s Sec 7 op 5 Programming lock out Sec 6 R ...

Page 13: ...rmometer Pt100 and thermometer thermocouple The data requested in each case is indicated below CnInP ProC 10 V Pro 20 mA LoAd 15 mV Pro 30 mA Process Input type and ranges 0 to 10 V or 0 to 20 mA Load Cell Input ranges 15 mV 30 mV 150 mV 150 mA tEMP Pt 100 C F Thermocouple Type J K T ranges Units C F Resolution 0 1 1 Offset 9 9 to 9 9 99 to 99 0 1 C 1 C 00 0 Offset tC J K C F T 0 1 C 1 C 00 0 Offs...

Page 14: ...l Input range 150 to 150 mV Temp Level 2 Temperature input type selection Options available are PT100 and TC Pt100 Level 3 See 3 3 tC Level 3 See 3 4 Pt100 input type configuration options available are Display unit Display resolution User offset Thermocouple input type configuration options available are TC type Display unit Display resolution User offset J K T Sub level TC type selection C or F ...

Page 15: ...es 20 to 20 mA range 3 1 1 Sensor connection V mA Refer to wiring guidelines in Sec 3 1 2 3 Instrument rear view CONNECTOR SIGNAL INPUT CN2 PIN 1 EXC excitation output PIN 2 EXC excitation output 24 V PIN 3 EXC excitation output 5 V or 10 V PIN 4 N C no connection PIN 5 IN input mA PIN 6 IN input V PIN 7 N C no connection PIN 8 IN input V mA CN2 1 2 3 4 5 6 7 8 ...

Page 16: ... 4 to 20 mA 2 wire connection only 4 to 20 mA External Excitation Internal Excitation EXC EXC OUT OUT mA mA 1 8 EXTERNAL EXCITATION SENSOR 0 to 20 mA 4 to 20 mA 4 wire connection EXTERNAL EXCITATION EXC OUT COMM mA mA SENSOR 0 to 20 mA 4 to 20 mA 1 8 3 wire connection EXC OUT COMM mA mA 1 8 SENSOR 0 to 20 mA 4 to 20 mA 3 wire connection If the excitation supplied by the unit to the sensor has to b...

Page 17: ...4500U 1 8 EXTERNAL EXCITATION SENSOR 0 to 10 V 3 wire connection V V 1 8 EXTERNAL EXCITATION EXC EXC OUT OUT 4 wire connection SENSOR 0 to 10 V DM 4500U V V DM 4500U 1 8 EXC EXC OUT OUT 4 wire connection SENSOR 0 to 10 V V V DM 4500U 1 8 EXC OUT OUT 3 wire connection SENSOR 0 to 10 V OUT OUT V V DM 4500U 1 8 SENSOR 0 to 10 V 2 wire connection EXC 10 V V V 1 8 OUT OUT Poteniometer DM 4500U ...

Page 18: ...lel with 10 V excitation and up to 4 cells with 5 V excitation without need for an external source see connection Sec 3 2 1 Example 2 cells with 2 mV V output are supplied with an excitation voltage of 10 V the voltage generated by each cell at full load is 20 mV Therefore 20 mV is the maximum output as the cells are connected in parallel In the same case but with a 5 V excitation the maximum volt...

Page 19: ...iew CONNECTOR SIGNAL INPUT CN2 PIN 1 EXC excitation output PIN 2 EXC no connection PIN 3 EXC excitation output 5 V or 10 V PIN 4 N C no connection PIN 5 N C no connection PIN 6 N C no connection PIN 7 mV input mV PIN 8 mV input mV OUT OUT 7 IN IN 1 3 8 EXC EXC 1 8 7 3 0 to 100 mV CN2 1 2 3 4 5 6 7 8 ...

Page 20: ... 9 with 0 1 º resolution or from 99 to 99 with 1 º resolution LED TARE will light up each time that an offset value is programmed Example In a process of temperature control the Pt100 sensor is located in a part of the process where temperature is 10 degrees below than in the point in where the control has to be done By programming an offset of 10 points with 1 degree resolution the deviation will...

Page 21: ...strument rear view CONNECTOR SIGNAL INPUT CN2 PIN 1 No connection PIN 2 No connection PIN 3 No connection PIN 4 Pt100 A PIN 5 No connection PIN 6 No connection PIN 7 Pt100 B PIN 8 Pt100 B CN2 1 2 3 4 5 6 7 8 Pt100 wiring diagram Pt100 8 7 4 A B B ...

Page 22: ...0 ºC 200 to 400 ºC Thermo couple T 328 0 to 752 0 ºF 328 to 752 ºF The Thermocouple software menu allows selection of temperature units Celsius or Fahrenheit resolution degree or tenth of degrees and a display offset Provision is made to allow for a sensor offset If there is a difference between the temperature under measurement and the temperature read by the sensor this can be corrected by progr...

Page 23: ...orrected Configurable parameters for this input are 1 Thermocouple type J K T 2 Reading units in degree Celsius º C or Fahrenheit ºF 3 Resolution in tenth of degrees 0 1º or in whole degrees 1 º 4 Offset Offset value is programmable up to 9 9 º with tenths resolution or up to 99 º with degree resolution The instrument comes from the factory with an offset 0 After introducing these parameters the d...

Page 24: ...ring guidelines in Sec 2 1 Instrument rear view CONNECTOR SIGNAL INPUT CN2 PIN 1 No connection PIN 2 No connection PIN 3 No connection PIN 4 No connection PIN 6 No connection PIN 7 TC PIN 8 TC Thermocouple wiring diagram Thermocouple type J K T 7 8 CN2 1 2 3 4 5 6 7 8 ...

Page 25: ...c 4 1 tEACH Level 2 See Sec 4 1 Scale input to output display values are programmed manually Teach input to output display values are programed with the input taken directly from the process value applied tEACH 2 CndSP SCAL InP 1 88 888 dSP 1 18888 18 888 Inp 2 88888 dSP 2 18888 3s InP 1 88 888 dSP 1 18888 18 888 Inp 2 88888 dSP 2 18888 3s FILtP 8 round 88 brIGHt Hi Lo ModtA tArE1 tArE2 tArE3 Pro ...

Page 26: ...meter when it has been configured for process or load cell Scaling allows assigning a display value to each input signal value In linear processes it is achieved by programming two coordinates input1 display1 and input2 display2 between which is established a linear relation where to each input signal value corresponds a display value The relationship can be direct or reversed In order to obtain m...

Page 27: ...ossible number of points and reduce the segment length Input values must always be programmed in an increasing or decreasing order Avoid assigning two different display values to two equal input values Display values can be entered in any order and even be repeated for different inputs Below the first point programmed the relationship established between the two first points of the scale is follow...

Page 28: ...rogrammed manually This method can be used when the value of the signal supplied by the transducer at each points of the process is known For example input 1 4 display 1 0 input 2 20 display 2 100 In process mode with mA range selected this will display 0 to 100 for a 4 to 20 mA input signal 3s InP 3 88 888 dSP 3 188 88 3s InP 2 88 888 dSP 2 188 88 2 CndSP SCAL InP 1 88 888 dSP 1 18888 188 88 dec ...

Page 29: ...11 After each process and display value has been added press key This allows the next point to be programmed When all points have been programmed to a max of 11 press for 3 s to exit linearization Any points up to 11 that have not been programmed are omitted from the display calculation InP 1 to 11 Level 3 Input points 19999 to 99999 dSP 1 to 11 Level 3 Display points 19999 to 19999 88 888 Level 3...

Page 30: ...ues can be set Selection of 01 no round and is the default setting Selecting 05 will round the display value to the nearest multiple of 5 Selecting 10 will round the display value to the nearest multiple of 10 This feature is not available when the instrument is configured for temperature measurement 4 4 Brightness Level 2 Display brightness level selection Hi high brightness Lo low brightness 4 5...

Page 31: ...to normal operation tArE 2 tArE 2 In this mode a short press on the key has no effect The tare value is introduced manually The edit menu can be accessed from the RUN mode by pressing on the key for 3 s Following the diagram below No effect 3 s Manually enter a value for tare entering a zero will clear the tare function The display will show the measured value minus the entered tare value tArE 3 t...

Page 32: ...Page 32 of 54 3 s manually enter the net displayed value required once the tare is applied entering a zero will clear the tare function Set tare the display will now show the entered net value ...

Page 33: ... a RESET MAX MIN has been done the MAX LED will light up A second press shows the minimum value in the same conditions as before with the consequent minimum indication through the MIN LED A third press brings the instrument back to the normal reading mode Function RESET MAX MIN Pressing continuously the for 3 s while the instrument shows the peak value MAX will produce a reset of the value The min...

Page 34: ...ER function One press on the key will bring the instrument to the Prog mode In Prog mode PRESS KEY FOR 3 s RETURN TO FACTORY PROGRAMMING Allows the instrument to be reset to factory default by entering code 74 as shown below When this code is entered the instrument displays LoAdIng dEFAuLt ConFIGurAtIon followed by StorE this has now been stored in the non volatile memory of the instrument 3s Pro ...

Page 35: ...00 Setpoint 4 04 000 Compared with Net Mode HI Dly 00 0 Alarm Color No Change ANALOG OUTPUT CONFIGURATION Display HI 10 000 Display LO 00 000 LOGIC FUNCTIONS PIN 2 function 1 PIN 3 function 2 and PIN 4 function 6 DIRECT ACCESS TO SETPOINTS KEY If any of the Relay or NPN PNP options has been installed the instrument allows direct access to programming the setpoints values pressing the key sequentia...

Page 36: ... the factory the CN3 connector allows the TARE RESET TARE functions operated from the front panel keyboard and moreover incorporates the HOLD function When a HOLD is made the display value remains frozen while the corresponding pin is activated The HOLD state affects neither the instruments internal operation nor the analog and setpoint outputs CN3 FACTORY CONFIGURATION PIN INPUT Function Number P...

Page 37: ...Table Function Function name Description Description and characteristics of the function Activation by Falling edge the function is activated by applying a falling edge to the corresponding pin with respect to common Low level the function will remain activated as long as the corresponding pin is held at a low level LoGIn Inp 1 1 to 15 Pro Inp 2 Inp 3 1 to 15 Pro 1 to 15 Pro ...

Page 38: ...ain active Low level 11 BRIGHTNESS Change the display brightness from Hi to Low Low level 12 SETPOINT VALUE Displays the selected setpoint value see diagram next page Low level 13 False Setpoints Simulates that the instrument has a four setpoints option installed Low level Only with mode TARE 1 and TARE 3 5 2 3 Programming the logic functions When the menu of logic functions has been accessed by p...

Page 39: ...te down your personalised code and keep it in a safe place TOTAL LOCKOUT Access to the programming routines to read data is allowed even if all parameters are locked out totLC 1 but it won t be possible to enter or modify data In this case when entering in the programming mode the display shows the indication dAtA PARTIAL LOCKOUT When only some parameters are locked out all configuration data can ...

Page 40: ...ng the key for 3 seconds until the CodE indication appears The instrument is shipped from the factory with the following default code 0000 When this code is entered the LISt indication will appear from which the parameters lockout can be entered Access to the CHAnG menu will allow the user to change the default code to one of their own choice Changing the personal code overwrites the original code...

Page 41: ...s ENTER key the options are Note the colour selection of the alarms is made in the setpoints menu 3s ENTER RUN Code 8888 Code RUN CHANG LISt param list totLC Total lock Page 42 CoLor _ _ _ _ Run Red Run Green Run Yellow 8888 Pro Red Pro Green Pro Yellow StorE StorE ...

Page 42: ... lockout 0 selectable lockout Select new 4 digit passcode Select display colour for run mode Pro Select display colour for programme mode 0 allows programming 1 locks access to programming Only appear if the corresponding options have been installed ...

Page 43: ...tes its own programming modules that provides complete software configuration Additional capabilities of the unit with output options Control and processing of limit values via ON OFF logic outputs 2 relays 4 relays 4 NPN outputs or 4 PNP outputs or proportional output 4 to 20 mA 0 to 10 V Communication data transmission and remote programming via serial interface The OPT4500RLY NPN PNP options ar...

Page 44: ...p action The setpoint option consists of an option card that activates its own programming module they are totally configurable by the user and their access can be locked out via software These are the control output options available OPT4500 2R 2 Relays SPDT 8 A OPT4500 4R 4 Relays SPST 5 A OPT4500 NPN 4 NPN outputs OPT4500 PNP 4 PNP outputs 7 1 2 Description of operation The alarm outputs activa...

Page 45: ...ter passing through the setpoint in the up or down direction while the hysteresis band will be selected asymmetrical i e only acts on the output deactivation edge The delay is programmable in seconds from 0 to 99 The hysteresis can be programmed in counts within the full display range The decimal point appears in the same position as programmed in the display configuration module The figures below...

Page 46: ...0 NPN NPN OPTION PIN 4 OP4 PIN 1 OP1 PIN 5 N C PIN 2 OP2 PIN 6 COMM PIN 3 OP3 OTP4500PNP PNP OPTION PIN 4 OP4 PIN 1 OP1 PIN 5 N C PIN 2 OP2 PIN 6 COMM PIN 3 OP3 NOTE In case that the outputs are used to drive inductive loads it is recommended to add an RC network between the coil terminals preferably or between the relay contacts to limit electromagnetic effects 1 2 3 4 5 6 CN6 CN7 OPTO3 OPTO2 OPT...

Page 47: ...CURRENT RESISTIVE LOAD 8 A 5 A MAX POWER 2000 VA 192 W 1250 VA 150 W MAX VOLTAGE 250 VAC 150 VDC 277 VAC 125 VDC CONTACT RESISTANCE Max 3 mΩ Max 30 mΩ SWITCHING TIME Max 10 ms Max 10 ms OPT4500 NPN and PNP MAX VOLTAGE 50 VDC MAX CURRENT 50 mA LEAKAGE CURRENT 100 µA max SWITCHING TIME 1 ms max ...

Page 48: ...s SetP See 7 1 SEt No Setpoint 1 2 3 4 configuration selection On or Off On Active Off inactive 188 88 Enter setpoint value nEt or Gros Compare mode see 7 1 2 Hi or Lo Hi trip above process value Lo trip below process value Hys or dLy Trip defering option see 7 1 2 Hys in displayed units dLy in seconds no CH Select the display color when in alarm ...

Page 49: ...talled it is possible to directly access the setpoints value without the need to go through the programming menu just by pressing the key in PROG mode as showed in diagram below NOTE The decimal point position will be determined by what has been programmed in the SCAL menu Pro 188 88 SEt 1 SEt 2 188 88 SEt 3 188 88 SEt 4 188 88 StorE ...

Page 50: ...nnector and that drives out a signal variation from 0 to 10 V or from 4 to 20 mA proportional to a user defined display range The instrument will detect the type of option that has been installed and will operate accordingly The display values producing the full scale output OUT HI and OUT LO are also introduced via front panel buttons in the same programming module The analogue output then follow...

Page 51: ...TPUT RESOLUTION 13 BITS 13 BITS ACCURACY 0 1 F S 1BIT 0 1 F S 1BIT RESPONSE TIME 50 ms 50 ms THERMAL DRIFT 0 5 µA ºC 0 2 mV ºC MAXIMUM LOAD 500 Ω 10 KΩ 7 2 3 Analog output menu diagram 4 Anout outHI 188 88 outLo 188 88 Pro Display value for 20 mA 10 V output Display value for 4 mA 0 V output ...

Page 52: ...t Load cell input Voltage 15 mV 30 mV 150 mV Max resolution 1 µV Input impedance 100 MΩ Excitation 5 V or 10 V 60 mA Max error 0 1 of the reading 1 digit Potentiometer input Voltage 10 V DC Input impedance 1 MΩ Display resolution 0 001 Max error 0 1 of the reading 1 digit Potentiometer minimum value 200 Ω Temperature input Cold junction compensation 10 to 60 ºC Cold junction 0 2 ºC Drift 0 05 ºC º...

Page 53: ...g 1 ºF 302 to 752 ºF 0 4 Rdg 2 º F 100 0 to 800 0 ºC 0 2 Rdg 0 6 ºC 100 800 ºC 0 2 Rdg 1 ºC Pt100 148 0 to 1472 0 ºF 0 2 Rdg 1 ºF 148 to 1472 ºF 0 2 Rdg 2 ºF MAX input signal applicable Process mA 22 mA Process V 11 V Load cell 15 mV 16 5 mV 30 mV 33 mV 150 mV 165 mV MAX continuous overload V and mV inputs 50 V MAX continuous overload mA inputs 50 mA DISPLAY Principal 19999 19999 5 digits tricolou...

Page 54: ... AC F 0 2 A 250 V DM4500 S2 24 48 V AC F 2 A 250 V FILTERS Filter P Cut off frequency 4 Hz to 0 05 Hz Slope 20 dB decade ENVIRONMENTAL Indoor use Operating temperature 10 ºC to 60 ºC Storage temperature 25 ºC to 85 ºC Relative humidity non condensed 95 to 40 ºC Max altitude 2000 meters DIMENSIONS Dimensions 96x48x60 mm Panel cutout 92x45 mm Weight 135 g Case material polycarbonates UL 94 V 0 Seale...

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