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Lower limit alarm (ALM2) setting (option)

(Setting is possible within input range)

[Description]

• Alarm is not displayed without

lower limit alarm function.

• When input or deviation is smaller

than AL, or when deviation is larger
than AL, alarm output turns ON.

• When using lower limit alarm, it is

necessary to set alarm type (see pa-
rameter P-AL) and appropriate
code.

• When lower limit alarm with hold

function is used, lower limit alarm
does not turn ON even it the input is
smaller than AL (see diagram (c)
below).

• When it is the range alarm and in-

put or deviation is smaller than AL,
the alarm output turns OFF (see dia-
gram (b) below).

• Selection between absolute value

alarm and deviation alarm is made
by P-AL.

• Alarm action hysteresis can be set

by No. 2 block parameter P-An.

Related parameter: P-AH (Page 30)

P-AL (Page 30)
P-An (Page 28)

Example) Altering the lower limit alarm of 200

C to 100

Key operation

Description

Press the SEL key to display P.

Press the SEL key repeatedly until
is displayed.

Press the or key to display
100.

Press the DATA key once.
Current lower limit alarm value
(200

C) is displayed.

Press the SV key when you need to
display the operation status display.

Press the ENT key, then the lower
limit alarm value is registred.
Operation is started with 100

C of

lower limit alarm.

Display

SEL

ENT

DATA

SEL

(a)

(b)

(c)

PV value

Absolute value alarm

Deviation alarm

OFF

Hysteresis

Power ON

Not turn ON with lower limit
hold functuion

OFF

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Содержание PXZ 4

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...ture without prior notice We paid the utmost care for the accuracy of the contents However we are not liable for direct and indirect damages resulting from incorrect descriptions omission of informati...

Страница 3: ...injury or damage to the property WARNING Over temperature Protection Any control system should be designed with prior consideration that any part of the system has potential to fail In case of temper...

Страница 4: ...this unit because tampering with the unit may result in a malfunction electric shock or a fire 1 2 Maintenance precautions Be sure to turn off the power before this unit is installed or removed in ord...

Страница 5: ...nd the other in the lower position by tightening screws with a standard screwdriver to a torque of about 14 7 N cm Take care not to tighten the screws excessively because the casing is made of plastic...

Страница 6: ...d for the contact output when the power is turned on If the contact output is used as a signal for an external interlock circuit use a delay relay at the same time Use the supplemental relay since the...

Страница 7: ...el Changing temperature set value Basic operation method List of parameters List of input output alarm codes Setting of input output ranges Selection of control method Automatic setting of control par...

Страница 8: ...act output direct action SSR SSC driving output reverse action SSR SSC driving output direct action 4 20 mA DC output reverse action 4 20 mA DC output direct action Option None Alarm Note 4 Heater bre...

Страница 9: ...5 0 45 0 5 0 45 0 5 0 Mounting bracket Panel thickness 1 to 8 mm Panel thickness 1 to 8 mm When installing n numbers of units For grouped installation Note See the note below Grouping C C1 PV SV A B...

Страница 10: ...larm Alarm 2 lower limit alarm Heater break alarm output Common CT input PXZ4 socket type standard 1 3 4 5 6 7 8 Current output SSR SSC driving output Contact output RTD Voltage current Thermocouple i...

Страница 11: ...output Control output 4 5 4 to 20mA DC Output B B A Control output Power 24 VAC or 24VDC 50 60Hz RTD 1 2 3 1 2 1 to 5VDC 1 2 Socket type 8Pin Note1 4 to 20mA DC Input 4 5 SSR SSC Driving output Contr...

Страница 12: ...key a set value SV is displayed The key to be used when switching over to the 1st or 2nd block parameters or when moving parameters within a block Displays the data assigned to the parameter selected...

Страница 13: ...Where none of optional functions are incorporated into the unit optional function parameters will be skipped without appearing on the display The 1st block parameters Operating state display one stage...

Страница 14: ...alue Anti reset wind up Key lock Proportional band ON OFF control at 0 0 Ramp soak command Derivative action time Alarm 2 setting value Alarm 1 setting value Integral action time Proportional time cyc...

Страница 15: ...From here on take the same steps as above to display the parameters listed at right DATA SEL SEL SEL Indicates control action code In this state the data is set by pressing the and keys DATA Press the...

Страница 16: ...10 to 10 FS engineering unit Note 1 Always set to 0 before using Note 2 2 is valid only if voltage and current are applied Note 3 When P SL P SU P dP is changed check that all the parameters including...

Страница 17: ...is controller may display an incorrect process value due to the characteristic of the sensor RTD IEC Thermo couple Pt100 Pt100 Pt100 Pt100 Pt100 Pt100 Pt100 Pt100 J J K K K 0 to 150 0 to 300 0 to 500...

Страница 18: ...old High alarm Low alarm High Low alarm High alarm with hold Low alarm with hold High Low alarm with hold High Low deviation alarm ALM 1 2 independent action High Low absolute alarm High Low deviation...

Страница 19: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Single Dual Output 1 Reverse action Direct action Reverse action Direct action Reverse action Direct action Output 2 Direct action Reverse action Outpu...

Страница 20: ...et lower upper limit values to P SL P SU respectively Example Temperature range 0 to 800 C set P SL and P SU to 0 and 800 respectively Note Standard range is recommended to set though other setting is...

Страница 21: ...ecrease operational output value Increased measurement value will increase operational output value Set parameter P n1 to 0 or 1 Refer to Table 4 Set parameter P n1 to 2 or 3 Refer to Table 4 Type of...

Страница 22: ...OFF two position control Example 1 Reverse action Example 2 Direct action Parameter P P n1 HYS Relationship of PV and SV PV SV PV SV Output OFF ON Setting value 0 0 0 or 1 Any value Parameter P P n1...

Страница 23: ...ficant variation of PV Also the auto tuning should not be used in a quick responsive process such as pressure control and flow control c If the auto tuning fails to complete in four hours an abnormali...

Страница 24: ...SV Ar Integral action don t work when PV is out of the range of SV Ar Switching bAL and Ar to appear or to disappear z z z z z Switch to appear q Display the dSP2 of the third block parameter and the...

Страница 25: ...trol is continued Note The control is continued until the value reaches 5 FS or less The burn out will take place when the value reaches 5 FS or less The control is continued OFF or 4mA or less Undefi...

Страница 26: ...um current 60mA or less 2 point alarm for PXW4 25mA or less SSR SSC driving output for control outputs 1 and 2 60mA or less in total DC4 20mA output Allowable load resistor 600 or less Alarm output Re...

Страница 27: ...Micro controller X Type PXZ OPERATION MANUAL PXZ 1 E Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 28: ...upper limit setting 19 Setting of operation mode of output limiter 20 Output convergence value Anti reset wind up 21 Key lock 22 Program status display 23 Setting of ramp soak control ProG option 24 S...

Страница 29: ...put 2 Alarm lamp Lights at alarm detection Alarm output is ON at the same time Heater burnout alarm lamp Lights at detection of heater burnout Heater burnout alarm output is ON at the same time PV mea...

Страница 30: ...50 0 FS Used to set value of heater burnout detection option Setting range 1 0 to 50 0A Alarm function OFF at 0 Auto tuning Control output 2 proportiona cycle Used to set PID parameters by auto tuning...

Страница 31: ...ameter skip Items shown in are not displayed If necessary they are able to be displayed and set by using the dsp1 to dsp7 function of No 2 block parameter Setting of parameter display yes or no Settin...

Страница 32: ...ses by 1 at each press of key It keeps increasing by pressing continuously key Numerical value decreases by 1 at each press of key It keeps decreaasing by pressing continuously Registration of set dat...

Страница 33: ...ck parameter P F Related parameter P SL Page 29 P SU Page 29 LOC Page 22 Example Altering SV 250 C to 1195 C SEL ENT SV DATA Key operation Description Press the SEL key to display P Press DATA key onc...

Страница 34: ...ooling outputs are as shown in the following diagram In this case the hysteresis is fixed at 0 5 Related parameter HYS Page 12 Example Altering proportional band 10 0 to 15 0 ON ON Heating output outp...

Страница 35: ...seconds Key operation Description Press the SEL key to display P Press the SEL key once Press the or key to display 840 Press the DATA key once Current integrating time 600 seconds is displayed Press...

Страница 36: ...s Key operation Description Press the SEL key to display P Press the SEL key repeatedly until is displayed Press the or key to display 100 0 Press the DATA key once Current derivative time 120 0 secon...

Страница 37: ...made by P AL Alarm action hysteresis can be set by No 2 block parameter P An Related parameter P AH Page 30 P AL Page 30 P An Page 28 Example Altering the lower limit alarm of 200 C to 100 C Key opera...

Страница 38: ...ge 28 Example Altering the upper limit alarm of 300 C to 550 C Key operation Description Press the SEL key to display P Press the SEL key repeatedly until is displayed Press the or key to display 550...

Страница 39: ...rent output this parameter is not displayed The following shows the standard pro portional cycles SSR SSC Proportional cycle 1 to 2 sec Contact output Proportional cycle 20 to 30 sec Example Altering...

Страница 40: ...be set to 0 0 Set value can be obtained by indus trial value Related parameter P Page 6 Example Altering the hysteresis width of 1 C to 2 C d d d Hysteresis set value ON OFF SV Example of reverse acti...

Страница 41: ...out alarm function can not be used in case when the heater is controlled by thyristor phase angle control system When 3 phase heater is used heater burnout can be detected in some cases For details co...

Страница 42: ...ayed Press the or key to display 8 0 Press the DATA key once Current data of 9 0A is displayed Press the SV key when you need to display the operation status display After pressing the ENT key data of...

Страница 43: ...ed Press the or key to display 1 Press the DATA key once Current data of 0 is displayed Press the SV key when you need to display the operation status display Decimal point in 1st digit blinks In case...

Страница 44: ...dard pro portional cycles SSR SSC Proportional cycle 1 to 2 sec Contact output Proportional cycle 20 to 30 sec Example Altering cooling control proportional cycle of 30 seconds to 20 seconds Key opera...

Страница 45: ...il is displayed Press the or key to display 5 5 Press the DATA key once Current data 5 0 coefficient is displayed Press the SV key when you need to display the operation status display After pressing...

Страница 46: ...e Current data 0 is displayed Press the SV key when you need to display the operation status display After pressing the ENT key the shift value of the cooling side proportional band is registered Oper...

Страница 47: ...ower limit pulse width limiter from 20 to 10 Key operation Description Press the SEL key to display P Press the SEL key repeatedly until is displayed Press the or key to display 10 Press the DATA key...

Страница 48: ...d to display the operation status display After pressing the ENT key the data is registered Display SEL ENT SV DATA SEL Setting of operation mode of output limiter Setting range 0 to 1 5 103 Output va...

Страница 49: ...or inter changeability with former type PYZ series Example Altering anti reset wind up of 80 C to 60 C Key operation Description Press the SEL key to display P Press the SEL key repeatedly until is di...

Страница 50: ...tting code 2 Lock of values other than SV Example Key lock to prevent accidental data change Key operation Description Press the SEL key to display P Press the SEL key repeatedly until is displayed Pr...

Страница 51: ...execute this function the program should be set in advance It can be set by setting the required set value SV in the parameters shown in the table at right Related parameter ProG Page 24 SV3 Set valu...

Страница 52: ...and set value SV automatically according to preset pattern Up to 4 ramp soak programs can be used The No 1 ramp starts from measure ment value PV just before the ex ecution of program It is also possi...

Страница 53: ...status display After pressing the ENT key upper burnout normal action is registered Display SEL ENT SV DATA Code P n1 Output type 0 1 2 Single Reverse action Normal action Dual 3 4 5 6 7 8 9 Reverse a...

Страница 54: ...EL ENT SV DATA Input filter constant Setting range 0 0 to 900 0 sec Description Input filter function is used to reduce noise contained in input signal In put filter constant is time constant For exam...

Страница 55: ...e SEL key for 3 seconds when you need to display the opera tion status display After pressing the ENT key the data is registered Display SEL SEL ENT SEL DATA On the Type II when selecting volt age inp...

Страница 56: ...T SV DATA Alarm hysteresis width option Setting range 0 to 50 FS Description Alarm is 2 position action ON and OFF while hysteresis is the differ ence in input ON and OFF For ex ample when hysteresis...

Страница 57: ...data is registered Display SEL SEL ENT ENT SV DATA DATA Pt100 Pt100 Pt100 Pt100 Pt100 Pt100 Pt100 Pt100 Measur ment range C Measur ment range F With decimal point C With decimal point F J J K K K R B...

Страница 58: ...n temperature rises above the set value ofAL and then low ers lower limit alarm turns ON This function is called the alarm action Hold Related parameter AL Page 9 AH Page 10 P An Page 28 ON OFF AL 100...

Страница 59: ...per limit ab solute value alarm Key operation Description Press the SEL key for 3 seconds and P n1 is displayed Press the SEL key repeatedly until P AH is displayed Press the or key to display 1 Press...

Страница 60: ...splay SEL SEL SV DATA ENT Setting of RCJ compensation Description This function is used whether or not RCJ compensation cold contact compensation is used for thermo couple input Normally it should be...

Страница 61: ...ntil P dP is displayed Press the or key to display 1 0 is displayed and it is clear that none below decimal point is set Press the SV key when you need to display the operation status display After pr...

Страница 62: ...the SV key when you need to display the operation status display After pressing the ENT key the data is registered Display SEL SEL SV DATA ENT PV offset Setting range 10 to 10 FS Description Set value...

Страница 63: ...xample Set the zero shift width of 9 C to current set ting value Key operation Description Press the SEL key for 3 seconds and P n1 is displayed Press the SEL key repeatedly until SVOF is displayed Pr...

Страница 64: ...urement input C F Description The unit C or F of temperature can be selected for temperature in put It has been set according to the ordering specifications prior to de livery from factory If it becom...

Страница 65: ...using auto tuning etc Example Set FUZY control to ON Key operation Description Press the SEL key for 3 seconds and P n1 is displayed Press the SEL key repeatedly until FUZY is displayed Press the or k...

Страница 66: ...0 C input becomes 0 C and that at 400 C input becomes 400 C When both ADJO and ADJS are set to 0 the controller is set in the calibrated state prior to delivery from the factory Example Set zero adju...

Страница 67: ...is registered Display SEL SEL SV DATA ENT Note 1 Registered function operates normally even when the display is skipped No 1 block Parameter DSP allocation PRoG dSP1 1 P dSP1 2 I dSP1 4 D dSP1 8 AL d...

Страница 68: ...ON at detection of heater burnout 1 Remove the cause of heater burnout Control output is not ON when output lamp C1 C2 is ON 1 2 Output is disconnected Instrument is in trouble 1 2 Check connection of...

Страница 69: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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