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8 Digital Communication Interface

Interface Commands

Command Description

Command
Format

Command
Example

Returned

Returned
Example

Acceptable
Values

Set decimal place

dp=n

dp=1

1 or 2

Serial Interface Menu

Read serial sample setting

sa[mple]

sa: 9

sa: 1

Set serial sampling setting to

seconds

sa[mple]=n

sa=0

0 to 999

Set serial duplex mode:

du[plex]=f[ull]/h[alf]

FULL or HALF

Set serial duplex mode to full

du[plex]=f[ull]

du=f

Set serial duplex mode to half

du[plex]=h[alf]

du=h

Set serial linefeed mode:

lf[eed]=on/of[f]

ON or OFF

Set serial linefeed mode to on

lf[eed]=on

lf=on

Set serial linefeed mode to off

lf[eed]=of[f]

lf=of

Calibration Menu

Read firmware version number

*ver[sion]

*ver

ver.9999,9.99

ver.9141,1.21

Read structure of all commands

h[elp]

list of commands

Legend:

[] Optional Command data

{} Returns either information

n Numeric data supplied by user

9 Numeric data returned to user

x Character data returned to user

Note:

When DUPLEX is set to FULL and a command is sent to READ, the command is returned followed by a
carriage return and linefeed. Then the value is returned as indicated in the RETURNED column.

Interface Commands continued

Содержание 2200

Страница 1: ...2200 Temperature Controller User s Guide Rev 710801 Hart Scientific Via Acquanera 29 22100 Como tel 031 526 566 r a fax 031 507 984 info calpower it www calpower it ...

Страница 2: ...ithin the warranty period To obtain warranty service contact your nearest Hart authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Hart au thorized service center Hart assumes no risk for damage in transit Following warranty repair the prod uct will be returned to Buyer transportation prepaid FOB Destinatio...

Страница 3: ...ironmental Conditions 9 3 Quick Start 11 3 1 Unpacking 11 3 2 Set Up 11 3 3 Setting the Temperature 11 4 Installation 13 4 1 Setup 13 4 2 Heater 13 4 3 Control Probe 13 4 4 Power 14 4 5 Fuses 15 5 Parts and Controls 17 5 1 Front Panel 17 5 2 Back Panel 18 6 General Operation 21 6 1 Control System 21 6 2 Temperature Controller 21 7 Controller Operation 23 7 1 Process temperature 23 7 2 Temperature ...

Страница 4: ... and LL 31 7 11 2 DP Decimal Place 32 7 12 Serial Interface Parameters 32 7 12 1 Baud Rate 33 7 12 2 Sample Period 33 7 12 3 Duplex Mode 33 7 12 4 Linefeed 34 8 Digital Communication Interface 35 8 1 Serial Communications 35 8 1 1 Wiring 35 8 1 2 Setup 35 8 1 2 1 Baud Rate 36 8 1 2 2 Sample Period 36 8 1 2 3 Duplex Mode 36 8 1 2 4 Linefeed 36 8 1 3 Serial Operation 36 8 2 Interface Commands 37 9 C...

Страница 5: ...10 1 Troubleshooting Problems Possible Causes and Solutions 45 10 2 CE Comments 46 10 2 1 EMC Directive 46 10 2 2 Low Voltage Directive Safety 46 iii ...

Страница 6: ...to Heater Wiring 13 Figure 2 RTD Probe Wiring 14 Figure 3 Front Panel 17 Figure 4 Back Panel 18 Figure 5 Controller Operation Flowchart 24 Figure 6 Various Proportional Band Settings 28 Figure 7 Serial Cable Wiring 35 Table 2 Interface Commands 38 Table 2 Interface Commands continued 39 ...

Страница 7: ...ntroller is 10 amps The 2200 controller can be easily programmed via the four button front panel or by the serial interface Programming allows the user to set the control tem perature units C or F and the calibration variables The process or actual temperature is continuously displayed on an LED panel The percent heating power may also be monitored Before using the 2200 controller you should under...

Страница 8: ...sehold office and laboratory appliances C TIC Australian EMC Mark The European Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC mark 1 3 Safety Information Use this instrument only as specified in this manual Otherwise the protection provided by the instrument may be impaired The following definitions apply to the terms Warning and Caution Warning identifies conditions and actio...

Страница 9: ...equirements of the IEC 61010 1 If the product is wet or has been in a wet environment take nec essary measures to remove moisture prior to applying power such as storage in a low humidity temperature chamber operating at 50 C for 4 hours or more The instrument is intended for indoor use only The instrument is a precision instrument Although it has been designed for op timum durability and trouble ...

Страница 10: ...ed in the operation of this equipment Severe injury or death may result if personnel fail to observe the safety precautions Before working inside the instrument turn off the power and disconnect the power cord FLUIDS Fluids used in the system controlled by this instrument may produce noxious or toxic fumes under certain circumstances Consult the fluid manufacturer s MSDS Material Safety Data Sheet...

Страница 11: ...ses need to be changed in order to be correct for the system Once the instrument is connected to the system the sys tem current needs to be measured or calculated and the appropriate fuse size and characteristics selected Section 4 5 Fuses on page 15 can be used as a guide for selecting a fuse Once the correct fuse type and rating is selected the following information is applicable The instrument ...

Страница 12: ...21 E mail ServiceDesk fluke nl Fluke Int l Corporation Service Center Instrimpex Room 2301 Sciteck Tower 22 Jianguomenwai Dajie Chao Yang District Beijing 100004 PRC CHINA Phone 86 10 6 512 3436 Telefax 86 10 6 512 3437 E mail xingye han fluke com cn Fluke South East Asia Pte Ltd Fluke ASEAN Regional Office Service Center 60 Alexandra Terrace 03 16 The Comtech Lobby D 118502 SINGAPORE Phone 65 679...

Страница 13: ...g singa fluke com When contacting these Service Centers for support please have the following information available Model Number Serial Number Voltage Complete description of the problem 7 1 Before You Start Authorized Service Centers ...

Страница 14: ......

Страница 15: ... x 11 4 cm W x 17 8 cm D 2 85 x 4 5 x 7 in Weight 0 9 kg 2 lbs Safety OVERVOLTAGE Installation CATEGORY II Pollution Degree 2 per IEC 61010 1 Performance is dependent on system design including the control sensor Capabilities are based on fac tory observed performance 2 2 Environmental Conditions Although the instrument has been designed for optimum durability and trou ble free operation it must b...

Страница 16: ... mains voltage within 10 of nominal vibrations in the calibration environment should be minimized altitude less than 2 000 meters indoor use only 2200 Temperature Controller User s Guide 10 ...

Страница 17: ...f ordered Power Cord Power Cord for the Heater Users Guide 3 2 Set Up Set up of the controller requires unpacking and placement of the controller connection of the heater installation of the control probe and connection of power CAUTION Consult Section 4 for detailed instructions for proper instal lation of the controller Pay particular attention to instructions for the heater control probe and po...

Страница 18: ...ment display 30 00 New set point value Press SET to accept the new value and access the temperature scale units The system begins heating or cooling to the new set point S Store new set point access temperature units Un C Current temperature scale units Press EXIT and the process temperature will be displayed again E Return to the temperature display 24 73 C Process temperature display The system ...

Страница 19: ...ater to the back of the controller using the socket labeled HEATER Be sure the heater cable is adequate for the amount of current re quired and that the heater is wired correctly and safely See Figure 1 on page 13 for heater wiring 4 3 Control Probe Connect the control probe into the socket at the back of the controller labeled PROBE see Figure 2 on page 14 Insert the probe into the bath or system...

Страница 20: ...ches the voltage of the mains supply Turn the controller on using the rear panel POWER switch The controller will turn on and begin to heat or cool the system to reach the previously pro grammed temperature set point The front panel LED display will indicate the actual process temperature See Section 4 5 Fuses for information on selecting the correct fuse for the application When powered on the co...

Страница 21: ...tion baths Time delay or slow blow fuses are selected for sys tems with a high in rush current i e cold calibration baths Refer to the fuseology section of your fuse catalog for help in determining fuse size and characteristics or contact an Authorized Service Center see Section 1 4 for as sistance Once the correct fuse characteristics and rating of the fuses have been selected and the appropriate...

Страница 22: ......

Страница 23: ... SET DOWN UP and EXIT are used to set the tem perature set point access and set other operating parameters and access and set calibration parameters Setting the control temperature is done directly in degrees of the current scale The control temperature can be set to ten hundredths of a degree Celsius The functions of the buttons are as follows SET Used to display the next parameter in the menu an...

Страница 24: ...ctor with indicator window and two fuses The unit is shipped from the factory with fuses as listed in the specifica tions Section 2 1 on page 9 Additional information on fuse usage is in Sec tion 4 5 A The appropriate power cord with IEC connector has been included with the controller for the voltage specified in the order B The double pole single throw DPST power switch indicates the ON OFF posit...

Страница 25: ... 1 in Figure 4 2 The heater socket is the source of controlled power for the system heater This power is switched by the solid state relay to maintain a constant tempera ture The voltage is the same as that supplied through the entry module A For a diagram of how to wire the heater to the controller see Figure 1 on page 13 An extra line cord has been included with the unit for use with the heater ...

Страница 26: ......

Страница 27: ...with a platinum resistance sensor as the control probe The signal is electronically compared with the programmable reference signal amplified and then passed to a pulse width modulator circuit which controls the amount of power applied to the heater WARNING For protection against solid state relay failure or other cir cuit failure a bi metallic cut out should be used The controller allows the oper...

Страница 28: ......

Страница 29: ... button 7 2 Temperature Set point The temperature can be set to any value within the range as given in the specifi cations with a high degree of resolution The temperature range of the particu lar fluid used in a bath must be known by the operator and the bath should only be operated well below the upper temperature limit of the liquid In addition the high level set point should also be set below ...

Страница 30: ...2200 Temperature Controller User s Guide 24 Figure 5 Controller Operation Flowchart ...

Страница 31: ...0 New set point value When the desired set point value is reached press SET to accept the new value and access the temperature scale units If EXIT is pressed any changes made to the set point are ignored S Accept new set point value 7 3 Temperature Scale Units The temperature scale units of the controller may be set by the user to degrees Celsius C or Fahrenheit F The units will be used in display...

Страница 32: ...t point is changed the controller allows heating or cooling at a specified rate degrees per minute un til it reaches the new set point With the scan disabled the controller allows heating or cooling at the maximum possible rate 7 4 1 Scan Control The scan is controlled with the scan on off function that appears in the main menu after the temperature scale units Sc OFF Scan function off Press UP or...

Страница 33: ...often are accessed within the secondary menu The secondary menu is accessed by pressing SET and EXIT simulta neously and then releasing The first function in the secondary menu is the heater power display 7 7 Heater Power The temperature controller controls the temperature of the system by pulsing the heater on and off The total power being applied to the heater is determined by the duty cycle or ...

Страница 34: ...re stability of the system depends on the width of the propor tional band See Figure 6 If the band is too wide the temperature will tend to deviate excessively from the set point due to varying external conditions This is because the power output changes very little with temperature and the con troller cannot respond very well to changing conditions or noise in the system If the proportional band ...

Страница 35: ...r S Access proportional band Prop Flashes and then 59 00 displays proportional band setting To change the proportional band press UP or DOWN D Decrement display 59 50 New proportional band setting To accept the new setting and access configuration menu press SET Pressing EXIT will exit the secondary menu ignoring any changes just made to the proportional band value Accept the new proportional band...

Страница 36: ...e UP and DOWN buttons After the desired value is reached press SET to set the parameter to the new value Pressing EXIT will cause the parameter to be skipped ignoring any changes that may have been made 7 10 1 R0 This calibration parameter refers to the resistance of the control probe at 0 C The value of this parameter is set at the factory for best instrument accuracy 7 10 2 ALPHA This calibratio...

Страница 37: ...s set the high and low set point limits of the system These pa rameters should not be set beyond the safe operating temperature limits of the system From the PAR menu press SET HL High level set point Press SET to adjust the high level set point or press EXIT to access the low level set point S Access high level set point value H 800 Adjust the high level set point D Decrement the high level set p...

Страница 38: ...g or press EXIT to return to the beginning of the PAR menu S Access decimal place setting dP 2 Adjust decimal place setting D Decrement the decimal place setting dP 1 New decimal place setting Press SET to accept the new decimal place setting S 7 12 Serial Interface Parameters The serial RS 232 interface parameters menu is indicated by SErIAL Serial RS 232 interface parameters menu The serial inte...

Страница 39: ...face parameter menu The sample period is the time period in seconds between temperature measure ments transmitted from the serial interface If the sample rate is set to 5 for in stance the controller transmits the current measurement over the serial interface approximately every five seconds The automatic sampling is disabled with a sample period of 0 The sample period is indicated by SPer Serial ...

Страница 40: ...DOWN and pressing SET d HALF New duplex mode setting 7 12 4 Linefeed The final parameter in the serial interface menu is the linefeed mode This pa rameter enables on or disables off transmission of a linefeed character LF ASCII 10 after transmission of any carriage return The linefeed parameter is indicated by LF Serial linefeed parameter Press SET to access the linefeed parameter LF On Current li...

Страница 41: ...ates with 8 data bits 1 stop bit and no parity 8 1 1 Wiring The serial communications cable attaches to the control ler through the DB 9 con nector on the back panel Figure 7 shows the pin out of this connector and sug gested cable wiring To elim inate noise the serial cable should be shielded with low resistance between the con nector DB 9 and the shield 8 1 2 Setup Before operation the serial in...

Страница 42: ...sample period of 0 Press SET to choose to set the sample period Ad just the period with UP or DOWN and then use SET to set the sample rate to the displayed value 8 1 2 3 Duplex Mode The next parameter is the duplex mode indicated with dUPL The duplex mode may be set to half duplex HALF or full duplex FULL With full duplex any commands received by the bath via the serial interface will be im mediat...

Страница 43: ...y a parameter depending on whether or not a value is sent with the command following a character For example s CR will return the current set point and s 50 00 CR will set the set point set point 1 to 50 00 degrees In the following list of commands characters or data within brackets and are optional for the command A slash denotes alternate characters or data Numeric data denoted by n may be enter...

Страница 44: ...o 99 9 Secondary Menu Read proportional band setting pr opband pr pb 999 9 pb 15 9 Set proportional band to n pr opband n pr 8 83 Depends on Configuration Read heater power duty cycle po wer po po 999 9 po 1 0 Configuration Menu Cal Menu Read R0 calibration parameter r 0 r r0 999 999 r0 100 578 Set R0 calibration parameter to n r 0 n r 100 324 98 0 to 104 9 Read ALPHA calibration parameter al pha ...

Страница 45: ...f du h Set serial linefeed mode lf eed on of f ON or OFF Set serial linefeed mode to on lf eed on lf on Set serial linefeed mode to off lf eed of f lf of Calibration Menu Read firmware version number ver sion ver ver 9999 9 99 ver 9141 1 21 Read structure of all commands h elp h list of commands Legend Optional Command data Returns either information n Numeric data supplied by user 9 Numeric data ...

Страница 46: ......

Страница 47: ...e set point The thermometer used must be able to measure the temperature with higher ac curacy than the desired accuracy of the system 1 Choose three set points to use in the calibration of the R0 ALPHA and DELTA parameters 2 Set the controller to the low set point When the calibrator reaches the set point and is stable wait 15 minutes or so and then take a reading from the thermometer Sample the ...

Страница 48: ...a T delta T T 1 1 1 1 100 1 100 a T delta T T 3 3 3 3 100 1 100 rzero R a R a a a 3 1 1 3 1 3 alpha R R R a R a 1 3 3 1 1 3 delta is the new value of DELTA computed above 5 Program the new values for DELTA delta R0 rzero and ALPHA alpha into the calibrator with the following steps 1 Press SET and EXIT keys at the same time and then press SET until R0 is displayed 2 Press SET then use the UP or DOW...

Страница 49: ...eck the accuracy of the calibrator at various points over the calibrated range 2 If calibrator does not pass specification at all set points repeat the Calibra tion Procedure 43 9 Calibration Procedure Three Point Calibration Procedure ...

Страница 50: ......

Страница 51: ...ystem by performing the Factory Reset Sequence Factory Reset Sequence Hold the SET and EXIT buttons down at the same time while powering on the instrument After the instrument displays init release the buttons The display shows init then displays 2200 and then displays the firmware version After performing the master reset sequence all of the configuration parameters are reset to their default val...

Страница 52: ...apply power to the instrument If the error message returns there is a problem with the controller 10 2 CE Comments 10 2 1 EMC Directive Hart Scientific s equipment has been tested to meet the European Electromag netic Compatibility Directive EMC Directive 89 336 EEC Selection of Light Industrial or Heavy Industrial compliance has been based on the intended use of the instrument Units designed for ...

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