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promesstec UREG 200 Скачать руководство пользователя страница 55

 

55 

promesstec  GmbH

  I  Niedersachsenstraße 4  I  D- 48465 Schüttorf  I  Tel.:+49 (0)5923/ 90 229 0  I  Fax:+49 (0)5923/ 90 229 29 

E-Mail: [email protected]  I  Internet: www.promesstec.com   

6.10  Differential band alarm 

 

The differential band alarm generates two switching 
points, relative to the setpoint value. Two types of 
differential band alarms can be set for alarms 1 and 
2, DB.HI (Differential band deviation alarm) and 
DB.LO (Differential band alarm), A1SP and A1HY 
resp. A2SP and A2HY are hidden. 
 
DB.HI switches the alarm if the difference (positive 
and negative) between process and setpoint is  
greater than set in A1DV or A2DV. 
DBLO switches the alarm as long as the difference 
between the process value and the setpoint is smal-
ler than set in A1DV or A2DV. 
 
Alarm 1 switching point = SP1 ± A1DV 
Alarm 2 switching point = SP1 ± A2DV 
 
The 4 alarm settings can also be used for the differential band alarm (NORM, LTCH, 
HOLD, LT.HO) can be set (for description see chapter 6.8). 

 

Example: 

 

Differential band alarm NORM 

 

Differential band alarm LTCH 

 

 

2 Differential band alarm 
adjustable: 

DB.HI, DB.LO 
 

Differential band alarm 1: 

setting: A1FN, A1MD 
Parameter: SP1, A1DV 
Switching point=SP1 ± A1DV 
 

Differential band alarm 2: 

Setting: OUT2, A2FN, A2MD 
Parameter: SP1, A2DV 
Switching point=SP1 ± A2DV 

Содержание UREG 200

Страница 1: ...promesstec GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com User manual Universal control...

Страница 2: ...3 Special hazards 8 4 Commissioning and operation 9 4 1 Equipment 9 4 2 Order code 11 4 3 Programming interface DIP switches 12 4 4 Buttons and display 13 4 5 Menu overview 16 4 6 System Modes 17 4 7...

Страница 3: ...8 Process alarms 51 6 9 Differenzalarm 53 6 10 Differential band alarm 55 6 11 Control loop interruption alarm 56 6 12 Sensor break alarm 57 6 13 SP1 Setting range 57 6 14 PV1 Offset 58 6 15 Error beh...

Страница 4: ...w promesstec com 7 9 Analog retransmission 80 7 10 Digital filter 81 7 11 Sleep mode 81 7 12 Pump control 82 7 13 Parameter lock with event input 84 8 Calibration 84 9 Demounting Return Cleaning and D...

Страница 5: ...f the serial number on the type label is no longer readable e g due to mechanical damage traceability is no longer ensure The sensor described in the user manual are developed and manufactured accordi...

Страница 6: ...device for a damage that may have occurred during transport Report obvious damage immediately 2 2 packaging Do not remove the packaging until immediadtely before assembly Keep the packaging because i...

Страница 7: ...the temperature of the appliance to adjust to the room temperature before starting it up again Claims of any kind are excluded due to improper use 3 2 Personnel qualification Risk of injury due to in...

Страница 8: ...when working with open circuit printed circuit boards to prevent damage to sensitive electronic components from electrostatic discharge There is danger to life from electric current There is a immedia...

Страница 9: ...icroprocessor based controller with a bright 4 digit LED display for process value display The fuzzy logic technique enables the process to reach the setpoint as quickly as possible without overdrivin...

Страница 10: ...er can be programmed 1 manually using the front keys or 2 using the UREG Konfig software with the PC and transmitted via RS232 or RS485 interface What is Fuzzy Control The PID control principle is bas...

Страница 11: ...ve output manipulation MV for different processes For example The temperature difference is large and the change is fast then MV is large The temperature difference is large and the change is slow the...

Страница 12: ...rnet www promesstec com 4 3 Programming interface DIP switches Programming port DIP switch The programming port can be used for offline programming and diagnostics Do not use this port during normal c...

Страница 13: ...ressing once decreases the parameter value by one digit By holding down the parameter value is quickly decreased Button BLANK Pressing takes you to the next parameter for 3 sec Enter button Allows acc...

Страница 14: ...www promesstec com Display description Meaning of the display symbols Display of a 5 digit number For numbers with decimal places the last digit is not displayed 199 99 is displayed as 199 9 4553 6 is...

Страница 15: ...m Display when switching on All segments and LEDs remain off for 0 5 sec All display elements light up for 2 sec The current programme version is displayed for 2 5 sec Example Programme version 3 39 F...

Страница 16: ...16 promesstec GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 4 5 Menu overview...

Страница 17: ...The exception modes are Sleep mode Manual regula tion mode error mode calibration mode and Auto tuning mode These modes operate in open loop except for Auto tuning mode which operates in ON OFF plus P...

Страница 18: ...band 1 Low 0 High 500 0 C 10 0 C Yes TI1 Integral time 1 Low 0 High 1000sec 100 Yes TD1 Difference time 1 Low 0 High 360 0 sec 25 Yes CPB Cooling proportional band Low 1 High 255 100 Yes DB Heating Co...

Страница 19: ...ion 0 Value IN1 1 Value IN2 2 Difference IN1 IN2 3 Difference IN2 IN1 4 Set point SV 5 OUT1 Manipulation 6 OUT2 Manipulation 7 Difference PV SV 0 No AOLO Analog output LOW scaling Low 19999 High 45536...

Страница 20: ...O1FT OUT1 Error behavior BPLS for bumpless transfer or 0 0 100 0 as default value for OUT1 in case of error when switching on or activating the manual mode BPSL Yes OUT2 output 2 function OUT2 0 OUT1...

Страница 21: ...et alarm output 2 6 Reset alarm 1 2 7 Output 1 deactivate 8 Output 2 deactivate 9 Output 1 2 deactivate 10 Lock all parameters 1 No PVMD PV Mode selection 0 PV1 as process value 1 PV2 as process value...

Страница 22: ...pended 18 Parameter TD2 prepended 0 Yes SEL2 2 Select parameters See SEL1 0 Yes SEL3 3 Select parameters See SEL1 0 Yes SEL4 4 Select parameters See SEL1 0 Yes SEL5 5 Select parameters See SEL1 0 Yes...

Страница 23: ...al band value Low 0 High 500 0 C Yes TI actual integral time Low 0 High 4000 sec Yes TD actual Difference time Low 0 High 1440 sec Yes CJCT Reference junction com pensations temperature Low 40 00 C Hi...

Страница 24: ...to the unit we strongly recommend fitting a protective shutdown device protective interrupter contact that will cause the unit to shut down when a preset condition is reached 5 1 Before mounting Check...

Страница 25: ...e dimensions in picture Remove the transparent terminal covers and the mounting brackets Place the controller in the mounting cut out and secure it with the mounting brackets The terminal covers must...

Страница 26: ...possible The installation and connection of the unit must be carried out in accordance with the applicable regulations of the respective country concerning the instal lation of electrical equipment e...

Страница 27: ...d by a suitable protective device Local regulations for electrical installation and safety must be observed 5 5 Sensor connection in general If the temperature sensor is exposed to a corrosive or caus...

Страница 28: ...uples If possible the sensor see figure 2 5 should only be connected via the ther mocouple cable or a compensation cable Avoid intermediate connections if possible Using the wrong type of cable will l...

Страница 29: ...e diagram With two wire RTDs a wire jumper should be used instead of the third wire Two wire RTD sensors should only be used for cable lengths of less than 3 metres Avoid cable joints solder joints 3...

Страница 30: ...mbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com Figure 1 Input 1 voltage input Figure 2 In...

Страница 31: ...mbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com Figure 3 Input 2 voltage input Figure 4 In...

Страница 32: ...enstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 5 9 CT Current transformer connection Connection 1 phase he...

Страница 33: ...nternet www promesstec com 5 10 Event input Open collector connection Switch Button connection Event input connection The event input can be wired with a switch or open collector signal The event inpu...

Страница 34: ...GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 5 11 Control output OUT1 Connection relay...

Страница 35: ...senstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com connection analogue output OUT 1 Switching output for cont...

Страница 36: ...GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 5 12 Control output OUT2 connection rela...

Страница 37: ...senstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com connection analogue output OUT2 Switching output for contr...

Страница 38: ...iedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 5 13 Alarm outputs connection Alarm output 1 conn...

Страница 39: ...sstec GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 5 14 RS 485 interface RS 485 Wiring...

Страница 40: ...I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 5 15 RS 232 interface RS 232 Wiring diagram RS...

Страница 41: ...4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 5 16 Analogue retransmission Retransmission Connection diagram 5 17...

Страница 42: ...or hea ting monitoring 3 output 1 Heating or cooling Relay SSR Volt mA 4 output 2 Cooling Relay SSR Volt mA DC Power supply 5 Alarm 1 Relay for differential differential band process heating interrupt...

Страница 43: ...ay shows the current setting or value IN1 Select the sensor type for input 1 range Thermocouple J_TC K_TC T_TC E_TC B_TC R_ TC S_TC N_TC L_TC RTD PT DN PT JS Linear 4 20 0 20 0 1V 0 5V 1 5V 0 10 Facto...

Страница 44: ...IN1U PU IN1H 15 0 DP1 1 DP To change the resolution you can also make other settings at DP1 6 2 output 1 and 2 OUT1 OUT2 O1TY Select the output signal for output 1 OUT1 The selection must match the i...

Страница 45: ...r SEL3 For the third most frequently required parameter SEL4 For the fourth most frequently required parameter SEL5 For the fifth most frequently required parameter Range NONE TIME A1 SP A1 DV A2 SP A...

Страница 46: ...ctable with this setting the offset OFST can be set at TI1 0 and is used for manual adjustment Set CYC1 depending on the output module Typical settings Output SSR CYC1 0 5 2 sec Output relay CYC1 10 2...

Страница 47: ...lt does not meet your expectations manual settings can be made see chapter 6 20 The UREG200 is equipped with a sophisticated PID and fuzzy algorithm which ensures fast process optimisation with low ov...

Страница 48: ...rameter settings Note The ON OFF control can lead to strong process fluctuations The P PD control can also lead to slight deviations from the setpoint For a stable and low deviation process result the...

Страница 49: ...ooling is to be increased lower CBP if the cooling is too strong in crease CBP CBP is linked to PB and remains unaffected by self tuning and auto set ting The CPB setting depends on the coolant used R...

Страница 50: ...IME parameter to set the time value between 0 and 6553 5 min When the setpoint is reached the timer is activated and runs from 0 to the set value The alarm relay remains unchanged until the timer expi...

Страница 51: ...monitored The switching point depends on the value A1SP and the hysteresis A1HY for Alarm1 resp A2SP and A2HY for Alarm2 Hysteresis prevents frequent switching when the process fluctuates rapidly Norm...

Страница 52: ...sis A1HY switched on and by the event input EIFN or the switching off of the operating voltage reset The setting of the EIFN must RS A1 RS A2 or R A1 2 Example Storing alarm Alarm held A1MD HOLD With...

Страница 53: ...the process deviates too far from the setpoint One can use the positive or negative difference A1DV A2DV for Alarm 1 and Alarm 2 and set the hysteresis A1HY A2HY The hysteresis prevents the alarm from...

Страница 54: ...senstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com Example Differenzalarm NORM Differenzalarm LTCH Differenza...

Страница 55: ...nce positive and negative between process and setpoint is greater than set in A1DV or A2DV DBLO switches the alarm as long as the difference between the process value and the setpoint is smal ler than...

Страница 56: ...hange in the process value occurs in response to an output manipulation The change must be made within 2xTI1 2 times integral time but max 120 sec For this set at Alarm 1 A1FN on LB Alarm 2 OUT2 on AL...

Страница 57: ...A1HY On alarm 2 SENB TIME A1SP A1DV and A1HY The 4 alarm settings NORM LTCH HOLD LT HO can also be set for the sensor break alarm for description see chapter 6 8 6 13 SP1 Setting range SP1L SP1 LOW W...

Страница 58: ...lable for PV1 Example A process consists of a heater a sensor and an object to be heated In the process the sensor cannot be placed directly on the object so that there is a measurement difference of...

Страница 59: ...1 goes to bumpless transfer Means to control output 1 the average of MV1 is taken 2 When output 1 is set to proportional controls PB1 0 and 0 to 100 0 is set for O1FT then output 1 goes to error tran...

Страница 60: ...vated when O1FT and or O2FT BPLS and one of the following conditions is met 1 during power on for 2 5 sec 2 the controller goes into error mode 3 the cotroller goes into manual mode 4 the controller g...

Страница 61: ...ntrol cycles When the UREG200 has found the optimum control parameters these are stored under PB1 TI1 TD1 or PB2 TI2 and TD2 depending on the event input After self tuning is completed the SELF parame...

Страница 62: ...or after the automatic adjustment leads to undesired control results and can cause damage Automatic setting should be performed under the following conditions Initial setup of process control The setp...

Страница 63: ...ns The waiting cycle is 2 times the integral time TI1 or TI2 depending on the setting The double integral time allows the process to stabilize In the first section we speak of pre regulation After the...

Страница 64: ...he target level Automatic setting error If the automatic setting fails the error message ATER appears in the upper display together with When PB exceeds 9000 9000 PU 900 0 F or 500 0 C Or TI exceeds 1...

Страница 65: ...ce promesstec com I Internet www promesstec com 6 19 Manual setting In a very small number of applications self tuning and automatic setting may not achieve the desired control result In this case you...

Страница 66: ...iod If both values are equal we speak of the critical stable state see picture Critical steady state If the control result after manual adjustment according to the flow chart still does not provide a...

Страница 67: ...I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com The following pictures show the control effects of the PID values P V...

Страница 68: ...com I Internet www promesstec com 6 20 DC Sensor supply The integrated DC sensor supply can be ordered as an option instead of the 2nd con trol output OUT2 type code D The supply voltage is 20VDC 25mA...

Страница 69: ...activated manual mode Press the lower display now alternates between and back and forth The display shows the va lue MV1 for output 1 or heating and the value MV2 for output 2 or cooling to Via the u...

Страница 70: ...rent process value of input 1 PV2 shows the current process value of input 2 PB displays the current proportional band value of the controller TI displays the current integral time TD displays the cur...

Страница 71: ...se basic values are permanently stored in the UREG200 and can be restored as follows Turning on the recovery Press so often until appears in the display Then press in the upper display appears Use the...

Страница 72: ...for PID control and SP1 if not changed via other parameters as set point SP2 SP2 replaces SP1 when EIFN is activated PID2 PB2 TI2 TD2 replace when activating the EIFN PB1 TI1 TD1 SPP2 SP2 PB2 TI2 TD2...

Страница 73: ...8 00 from 18 00 the temperature should be lowered to SP2 80 C An external timer is used to switch the event input at 18 00 The settings are SPMD SP1 2 EIFN SP2 and SP2F ACTU 7 3 Second PID setting In...

Страница 74: ...witches the event input and the second PID values PB2 TI2 and TD2 are active 7 4 Ramps Timers Ramp function The ramp setting is taken into account during heating or a setpoint change You can choose be...

Страница 75: ...hanged to 200 C When the 200 C is reached the timer is activated The time value of the timer can be changed at any time before expiration without disturbing the timer In the example the time is change...

Страница 76: ...1 external setpoint at input 2 FUNC FULL IN2 IN2U DP2 IN2L IN2H are set according to the external setpoint PVMD PV1 IN1 IN1U DP1 are set according to the process signal IN1L IN1H are set if released...

Страница 77: ...splay one of the process values PV1 or PV2 you can change the settings as described in chapter 6 22 Error messages If PVMD P1 2 or P2 1 and at the same time SPMD PV1 or PV2 an error is displayed In th...

Страница 78: ...ol limitation of MV1 heating with PL1 and MV2 cooling with PL2 is deactivated 7 8 Data transmission RS interfaces Two interface cards are available for data transmission in the UREG200 one RS232 inter...

Страница 79: ...al address in the ADDR parameter for each controller operated on the same port Set the transmission rates BAUD the number of bits DATA the parity PARI and the stop bit STOP on the PC and controller in...

Страница 80: ...ant to transmit e g to a control system The choice is PV1 PV2 PV1 PV2 PV2 PV1 SV MV1 MV2 and PV SV see also table 1 4 The parameters AOLO value at which the lower signal should be present 0 or 4 mA an...

Страница 81: ...can be adjusted as required The filter works with a time constant of first priority and is set in the setup menu the parameter is FILT The factory setting is 0 5 sec the setting range is from 0 disabl...

Страница 82: ...REG200 this demanding control task can be done For this purpose please make the following settings Pump control settings FUNC FULL EIFN NONE PVMD PV1 FILT 0 5 SELF NONE SPMD PUMP SP2F DEVI And set val...

Страница 83: ...oint SP1 2 If the process does not take any more pressure the UREG200 switches off the pump as long as possible until the reduced set point SP1 SP2 is reached Example pump control Structure pump contr...

Страница 84: ...ration Calibration of the UREG200 is to be performed exclusively by the manufacturer or specially trained personnel Instructions for calibration will be issued during training If you feel that your UR...

Страница 85: ...l packaging or equivalent to return the device As protection against damage can be used e g antistatic foil insulating material labeling as sensitive measuring device 9 3 Cleaning Disconnect the elect...

Страница 86: ...EXPRESS OR IMPLIED EXCEPT AS NOTED ABOVE WITH RESPECT TO THE PRODUCTS PROMESSTEC ASSU MES NO LIABILITY FOR THEIR SUITABILITY FOR NORMAL USE OR FOR USE IN ACCORDACE WITH THE SPECIFICATIONS Warranty lim...

Страница 87: ...87 promesstec GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 11 Technical specifications...

Страница 88: ...88 promesstec GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com...

Страница 89: ...89 promesstec GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com 12 Your parameters notes...

Страница 90: ...90 promesstec GmbH I Niedersachsenstra e 4 I D 48465 Sch ttorf I Tel 49 0 5923 90 229 0 I Fax 49 0 5923 90 229 29 E Mail office promesstec com I Internet www promesstec com...

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