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XMT*- 3000 Series Digital Temperature Controller
XMT*- 3000 series digital temperature controller can replace traditional digital meter,it adopts gentle touch key-press to set freely ,single-row LED display,with sensor’ s error amendment,its case is ultra-thin,the thickness of its frame is only 2mm(any case can be configured according to client’s request),it makes the meter with more beautiful appearance,and makes the control capability more reasonable.
Ⅰ.Technical Indexes:
1. Input:Thermal resistance:PT100、CU50;Thermal couple:J、K、S、E、B;
Macromolecule humidity sensor(provided by ourselves)、thermal resistor NTC
(Resistance and B value determined by Client)
2.Temperature range: K(0~1300℃) E(0~800℃) S(400~1600℃) J(0~1000℃) B(800~1800℃)
Pt100(-50.0~200.0℃; -200~600℃) Cu50(-50.0~150.0℃)
3. Display Precision:±1%F·S
4.Return difference setting range:0~40℃、0.0~20.0℃,
Sensor’s error translation amendment range:-10.0~10.0℃、-19-20℃
5.Control method:ON/OFF or return difference control;time proportion control(Proportional band 3%,period 30s)
6.Output:relay’s open and close trigger output AC220V/10A;
Driving solid relay signal:driving electric current≥15mA,voltage≥9V(proportional band3%,period2s)
Driving controllable pulse output:scope≥3V,width ≥40us contact with pulse when move to exceed zero
7.Working power:AC90~242V 50Hz/60Hz Power consumption:<4W
8.Working condition:0~50℃,humidity≤85%RH,without corrode and strong electric radiation
Ⅱ.Meaning of model:
XMT □ - 3 □ □ □ -SUFFIX
1 2 3 4
Blank1:External dimension‘blank’:80×160×80 Installation hole:76×152;
‘S’:160×80×80 Installation hole:152×76;
‘A’:96×96×80 Installation hole:92×92;
‘B’:60×120×105 Installation hole:56×114;
‘E’:48×96×80 Installation hole:44×92;
‘F’:96×48×80 Installation hole:92×44;
‘D’:72×72×100 Installation hole:68×68;
‘G’:48×48×90 Installation hole:44×44;
‘K’:24×48×90 Installation hole:23×45
Blank 2:Control output method:‘0’:ON/OFF or potential difference control,relay output;
‘2’:upper and lower limit, relay output;
‘3’:time proportion control,relay output; ‘
5’:Driving solid relay signal output;
‘6’:Driving controllable silicon phase –shifting pulse signal output;
‘7’:Driving controllable silicon signal output pulse when move to exceed zero
Blank 3:Alarm method:‘0’:no alarm;‘1’:upper limit alarm;‘2’:lower limit alarm;‘5’:audible alarm
Blank4:Input:‘1’:thermocouple; ‘2’:thermal resistance ‘7’:Macromolecule humidity sensor
Suffix:‘D’:30A high-power relay output
Ⅲ. Panel indicating device:
Ⅳ.Parameter setting:
1. Main control set value:Under normal measurement state ,press any of ▼ or ▲ for one time,the figure flickers,this data is current main control set value,if you want to modify it,press▼or▲to modify,stop operation till ensure it., the figure flickers 8 times to save set value,then return back to normal measurement state.
2. Return difference value setting(steady-state amendment when it is time proportion controller):Press SET for one time ,till appear,at this time press▼or▲can set return difference value,display method is kilobit LED display
the last three digit is potential difference amendment ,it will automatically save and exit after 3s.(the meter with time proportion,,press SET for one time,till appear
,then press▼or ▲can set steady-state error amendment,display method is kilobit LED display
,the last three digit is potential difference amendment,it will automatically save and exit after 3s)
3. Sensor’s error amendment:Press SET till it appear,then press▼or▲can set sensor’s error amendment,display method is kilobit LED display
, the last three digit is amendment,it will automatically save and exit after 3s(when the measuring have bigger error or there is error between sensor’s position and ideal position, the measurement will occur error, the error can be eliminated by using
,the measurement value can plus and minus modify,please be careful to use this item, or it will make the measure inaccurate.)
4. Alarm control value setting(used as upper limit setting when it is upper and lower limit controller):Press SET till it appear(no alarm or upper-limit meter without this display),At this time press▼or▲ can set alarm control value, display method is“r
” and alarm value alternately display, after 3s,it will automatically save and exit.
Ⅴ.Working principle:
In schematic diagram, the signal sent by thermocouple and thermal resistance automatically cold end compensate
in the measuring bridge ,and then put it into magnifier, the signal will turn big, and at the same time revise the non-linear signal to linearity signal, enlarge the signal through linearization , one A/D switching circuit switch simulation quantity into digital signal to do digital display ,and another is transmitted to regulating network, do stated
comparison operation ,also output needed control signal and do working state indication.
Ⅵ.Control output:
1.ON/OFF control or potential difference control: when measurement value<(Main control set value-return difference value), OUT relay will always low-pass ,and high-cut, OUT indicator lighten ,and heater starts working; when the temperature goes up to main control set value, OUT relay will always low-cut, and high pass. OUT indicator goes up, and heater stops working ;When natural cooling to measurement value<(Main control set value-return difference value
),the heater restart working. when
=0 ,the meter carry out ON/OFF control.
2.Time proportion control:is time proportion steady–state error amendment(is identical with RESET potentiometer function of XMT*-2000 series meter’s panel),when the temperature does not reach the proportion range of set value, OUT relay will always low-pass , and heater starts working. when the temperature reaches the proportion range,
=0, the time of OUT relay’s low-pass and cut is the same. ;when
>0 ,the time of OUT relay’s low-pass is shorter, and the cut time is longer; when
<0,the time of OUT relay’s low-pass is longer ,and the cut time is shorter. When it exceed proportion range, OUT relay will always low-cut, and high pass.
3.Alarm Control :When the temperature measurement value >alarm set value ,alarm output ALM relay will always low-pass ,and high-cut, ALM indicator lighten.
4.Upper limit control when it is upper and lower limit meter:When the temperature measurement value<set value ,ALM relay will always low-pass ,and high-cut, ALM indicator lighten. So as the lower limit control.
5.Controllable silicon contact type controller, if find its load two-terminal voltage with dithering, exchange two output wire.
Ⅶ.Fault indication:
when window displays“-H-” or “-L-”,it means this channel’s sensor measurement value over loading or the sensor has be broken,check the sensor,be sure the input between sensor and controller is the same.
Ⅷ.Connection:
Remark:This connection only for reference, it should be confirm to the attached connection.
FUJIAN HUATENG SUBLIMATION RESOURCES CO.,LTD
ADD:NO19 DINGJING LANE XIANJING COMMUNITY FUQIAO TOWN LICHENG DISTRICT QUANZHOU FUJIAN
TEL:00856-595-22861608
FAX:00856-595-22861608
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