• General Sensor Input, 4-20macurrent Signal (insulate) Continuous Pid Adjustment (XMTF-808C)
  • General Sensor Input, 4-20macurrent Signal (insulate) Continuous Pid Adjustment (XMTF-808C)

General Sensor Input, 4-20macurrent Signal (insulate) Continuous Pid Adjustment (XMTF-808C)

Customized: Non-Customized
Certification: RoHS, CE
Display Type: LED
Size: 96*48
Transport Package: 1PCS/Box
Specification: ISO 9001: 2008 Others
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Basic Info.

Model NO.
XMTF-808C
Trademark
CJ
Origin
China
HS Code
9032900090
Production Capacity
100000PCS/Year

Product Description

Specifications

Digital temperature controller
Display precision prior to 0.2FS
Input signal: All signal
Power: AC85-242V
Control: ON/OFF, PID


XMT*808 series intelligence temperature controller uses nowadays the most advanced monolithic microcomputer as mainframe,reduce peripheral assembly,and improve the reliability;It adopts the control method of vague theory combined with traditional PID control, and make the control process with the advantage of rapid response,small overshoot,high steady state precision. It is intelligence temperature controller with the function of high performance,high reliability,complete input,its function is suitable to all the occasion needed temperature measurement and control,also be compatible with other industrial parameter measurement and control.

It adopts modular structure,further improve overall performance;The meter is operated with 4-keys,dual row 4-LED display for displaying the measurement value and set value or measurement value and output value, with manual /automatic switch and setting itself function;with characteristic of small volume,low power consumption,convenient operation,steady and reliable of running;They are now widely used for the automatic control system over the area of machinery, chemical, ceramics, light industry, metallurgy, petrifaction, heat treatment industry
.

Technical standard


1. Input and range (one meter can be compatible)
(1) Thermocouple: K (-50~1300oC), S (-50~+1700oC), T (-200~+350oC), E (0~800oC), J ( 0~1000oC), B (0~1800oC), N (0~1300oC), WRe (0~2300oC)
(2) Thermal resistance: CU50 (-50~150oC) PT100 (-20~600oC)
(3) Linearity voltage: 0-5V, 1-5V, 0-1V, 0-100mV, 0-20mV.
(4) Linearity current(with diffluent resistance): 0-10mA, 0-20mA, 4-20mA.
(5) Linearity input: -1999~+9999 (user freely setting)

2. Precision
(1) Input by thermal resistance, linearity voltage and linearity current 0.5F. S± 1
(2) Thermocouple input adopt copper resistance or freezing compensate cold end 0.5 F. S± 1
(3) Although the meter can measure B, S, WRE during the temperature 0~600oC, its measurement could not reach 0.5 class
(4) differentiate rate: 1, 0.1

3. Response time≤ 0.5s (filter parameter sets 0)

4. Adjusting mode
(1) ON/OFF control methodReturn difference can be adjusted
(2) Common PID controlwith the parameter of self-setting function
(3) Intelligence adjustment(including vague PID adjustment and advanced control algorithm with the parameter of self-setting function)

5. Output specificationit make out directly output parameter modularity or without modularity
(1) The switch of relay contact point output (open+ closed): 250VAC/7A or 30VDC/10A
(2) SSR voltage: 12VDC/30mA(apply for driving SSR relay)
(3) Contact point output with controllable silicon: Can contact 5~500A two directions controllable silicon; 2 separate directions controllable silicon opposite direction parallel.
(4) Liner electric current output initial current and terminal current value can be defined when the output is 0~24mAvoltage range 11~23VDC

6. Communication
Support RS485communication mode, adopt AIBUS communication agreement, and baud rate support the below selection 1200BPS, 4800BPS, 7200BPS, 9600BPS.

7. Alarm
Support two passive contact output, relay contact 250VAC/7A. It has four methods including upper limit, lower limit, positive deviation, negative deviation. It can output 2 ways at most

8. Tolerance for pressure when it is segregated
Between electric power, relays contact and signals end, do 2000V pressure tolerance test 1s, there is no abnormal phenomenon;

9. Movement with hand
Automatic /Manual

10. Power supply
(1) 85V-242VAC, 50-60Hz, power consumption ≤ 4W
(2) 24VDC/AC, power consumption≤ 4W
(3) 220VAC± 10% 50HZpower consumption≤ 4W

11. Working circumstance
Environment temperature: 0~50, humidity ≤ 85, no corrode and strong electromagnetism disturb

12. Product authentication
XMT*-808 series temperature meter acquire CE authentication and RoHS Environmental Protection authentication.

13. External dimension and Installation hole(mm)
48× 48× 110       Installation hole: 44× 44
General Sensor Input, 4-20macurrent Signal (insulate) Continuous Pid Adjustment (XMTF-808C)
XMTG-808 connection


General Sensor Input, 4-20macurrent Signal (insulate) Continuous Pid Adjustment (XMTF-808C)
General Sensor Input, 4-20macurrent Signal (insulate) Continuous Pid Adjustment (XMTF-808C)
 
Code Meaning Description Setting range Ex-Factory
ALM1 High limit alarm When the measured value more than ALM1+Hy, the meter have upper limit alarm. When the measured value less than ALM1-Hy, the meter will free from the upper limit alarm. Set the ALM1 =9999 can avoid come into being alarm function.  -1999~+9999ºC or 1 unit 9999ºC
ALM2 Low limit alarm When the measured value less than ALM2-Hy, the meter have lower limit alarm. When the measured value more than ALM2+Hy, the meter will free from the lower limit alarm. Set the ALM2=-1999 can avoid come into being alarm function The same as above 1999ºC
Hy-1 Positive deviation alarm When the deviation (PV-SV)> Hy-1+Hy, the meter have positive deviation alarm. When the deviation less than Hy-1-Hy, the meter will free from the positive deviation alarm. If set the Hy-1=9999 (temperature is 999.9ºC),the alarm will be cancelled. When use ON/OFF adjustment, Hy-1 and Hy-2 are the second upper limit and lower limit absolute value alarm.. 0~999.9ºC
or 0~9999ºC
1 unit
9999ºC
Hy-2 Negative deviation alarm   When the negative deviation(SV-PV)>Hy-2+Hy, the meter have negative deviation alarm. When the negative deviation(SV-PV)<Hy-2-Hy, the meter have no negative deviation alarm. Set the Hy-2=9999(temperature is 999.9ºC), the alarm will be cancelled The same as above 9999ºC
Hy Dead band   Hy is set to permits protection of position control output from high switching frequencies caused by process input fluctuation.
If the meter use ON/OFF adjustment or parameter setting itself , provided appointed value SV is 700ºC, Hy is 0.5ºC, by reaction adjustment (heating control)
(1)Output is switch on , when the measure temperature value is more than 700.5ºC, the (SV+Hy) will close.
(2)Output is switch off, when the measure temperature less than 699.5ºC (SV-Hy), switch on again and heating.
0-200.0ºC
or 0-2000ºC
 
0.5
At PID Control method At=0, ON/OFF control, suitable for the application which don't need high precision.
At=1, artificial intelligence control / PID control, allow to set the auto tuning function from front panel.
At=2, startup auto tuning function, after auto tuning finish, it will set 3.
At=3, artificial intelligence control. After auto tuning finish, the meter automatism enter into this set, this setting don't allow to set from front panel.
0-3 1
I Hold parameter I, P, D, t these parameter are for artificial intelligence control algorithm, but no for ON/OFF control mode (At=0).
I is defined as measurement variation after output is changed. Generally I parameter of the same system will changes with measurement value, and so I parameter should be configured with process value around operation point.
For example: take temperature control of electric furnace, operating point is 700ºC, to find out optimum I parameter, assuming that when out remains 50%, the temperature of electric furnace will finally be stabilized around 700ºC, and when output changes to 55%, the temperature will final be at around 750ºC. The I (optimum parameter)=750-700=50.0 (ºC)
I parameter mainly determines the degree of integral function, similar as integral time of PID control. When the I smaller, the calculus function strong. When the I larger, the calculus function weaken (calculus time add). When I=0, the system will cancel the calculus function and artificial intelligence adjustment function, the instrument will turn to an PD adjustment.
0-999.9
or 0-9999
500
P Rating parameter P is in reverse proportion to measurement variations caused by output changes by 100% in one sec..
When At=1 or 3, then P=1000÷measurement elevatory  value per sec. , the unit is 0.1ºC or 1 defined unit.
Example: the instrument use 100% power to heat and there is no heat loss, electric cooker 1ºC each sec., then P=1000÷10=100. P like PID instrument's proportion area, but diversification is reverse. P↑, the proportion and differential function↑, if P↓, the proportion and differential function↓. P parameter and calculus function have no relation. Set P=0 corresponds to P=0.5
 
1-9999 100
d Lag time Parameter "d" is applied as one of the important parameters of XMT808 artificial intelligence control algorithm. "d" is defined as follows: time needed for a electric furnace from the beginning of elevating temperature to get to 63.5% against the final speed of temperature elevating, provided there is no heat loss. The unit of parameter "d" is second.
For industrial control, hysteresis effect of the controlled process is an important factor impairing control effect. The longer is system lag time, the more difficult to get ideal control effect. Lag time parameter "d" is a new introduce important parameter for XMT808 artificial intelligence algorithm. XMT808 series instrument can use parameter "d" to do fuzzy calculation, and therefore overshoot and hunting do not easily occurs and the control have the best responsibility at the time.
Parameter "d" gives effect on proportion, integral and differential function. Decreasing parameter "d" will strengthen proportional and integral function and weaken differential function, with the extent of strengthening greater than that of weakening. And therefore as a whole decreasing "d" will strengthen feedback function. If d≤T, derivative function of system will be eliminated.
0-2000s 100
t Output period Parameter can be set between 0.5 to 125s (0 means 0.5s). It represent the instrument of the calculate speed. When t↑, the proportion function↑, differential function↓. When t↓, the proportion function↓, differential function↑. When t≥5s, differential function is absolutely eliminated, then the system is a proportional or proportional-calculus adjustment. If the t less than 1/5 of its lag time, the change is very small influence to control. If d=100, the t set 0.5 or 10s the control effect basic is same.

(1)it is insignificant when ON/OFF control ;
(2)Relay output:'t'usually be set 10s upwards,other output method be set 1~2s;output is relay output, the shorter the time, the better the control effect ,but it will affect the relay's
life.
0-120s 20
Sn specification Input   Sn Input specification: 0-37
 
0
Sn Input spec. Sn Input spec.
0 K 1 S
2 WRe 3 T
4 E 5 J
6 B 7 N
8-9 special thermocouple 10 Client appointed to increase input specification
11-19 special thermocouple 20 CU50
21 PT100 22-25 Special thermal resistance
26 0-80Ωresistance input 27 0-400Ωresistance input
28 0-20mV voltage input 29 0-100mV voltage input
30 0-60mV voltage input 31 0-1V(0-500mV)
32 0.2-1V voltage input 33 1-5V voltage input or
4-20mA current input
34 0-5V voltage input 35 -20-+20mV(0-10V)
36 -100-+100mV or 2-20V voltage input) 37 -5V-+5V(0-50V)
dP Decimal point position When it is linearity input: parameter dP is used to define decimal point place according to users' habit
dP=0, display pattern is 0000, decimal point not displayed
dP=1, display pattern is 000.0, decimal point is at ten's place
dP=2, display pattern is 00.00, decimal point is at hundred's place
dP=3, display pattern is 0.000, decimal point is at thousand's place
In case of thermocouple or RTD input: dP is used to define temperature display resolution
0-3 0

 

 
dP=0, temperature display resolution is 1ºC
dP=1, temperature display resolution is 0.1ºC
Adjustment of this parameter only affects the display, and gives no effect on control precision or measurement precision

 

 
P-SL Input lower limit
When the linearity input define single lower limit value, external appointed, output display.
For example: a pressure transmitter is used to convert pressure signal ( temperature, flow and humidity signals also possible) to standard 1-5V input (4-20mA can external contact 250Ωresistance to change). 1V signal pressure is 0, 5V signal pressure is 1mPa, if want the instrument display is 0.001mPa. the parameter can be set as the following:
Sn=33 (select 1-5V linearity voltage input)
dP=3 (set decimal point, display 0.000)
P-SL=0.000 (define the pressure display value when the  input lower limit 1V)
P-SH=1.000(define the pressure display value when the input upper limit 5V)
(2) When the thermal resistance, thermocouple input defining lower limit appointed value.
-1999~+9999ºC 0
P-SH Input upper limit When the linearity input defining single upper limit value, use with P-SL . The same as above 2000
Pb Input shift Parameter Pb is used to make input shift to compensate the error produced by sensor or input signal itself. For thermocouple input, parameter Pb is used to correct reference junction compensation error. -199.9~
+199.9ºC
0
oP-A Output mode Op-A denote output signal mode, and must conform to the module type installed as main output.
Op-A=0, the mode of main output is time-proportional output (for artificial intelligence control) or ON/OFF mode (for ON/OFF control). If output modules such as SSR voltage output or relay contact discrete output, it should set Op-A=0.
Op-A=1, any specification linear current continuum output,
Op-A=2, time proportional output
0-2 0
outL Output lower limit Restrain minimum value of adjust output 0-110% 0
outH Output upper limit Restrain maximum value of adjust output. 0-110% 100
AL-P Alarm
Output
definition
AL-P used to define ALM1, ALM2, Hy-1 and Hy-2 alarm output locality. Its function is determined by the following formula:
AL-P= A x 1 + B x 2 + C x 4 + D x 8 + E x 16
If A=0, then upper limit alarm by the relay2 output
If A=1, then upper limit alarm by the relay1 output
If B=0, then lower limit alarm by the relay2 output
If B=1, then lower limit alarm by the relay 1output
If C=0, then positive deviation alarm by the relay 2output
If C=1, then positive deviation alarm by the relay1output
 
0-31 17

 

 
If D=0, then negative deviation alarm by the relay 2 output
If D=1, then negative deviation alarm by the relay 1output
If E=0, then alarm types, such as "ALM1" and "ALM2" will be displayed alternately in the lower display window when alarm occurs.
For example: If it need that the upper limit alarm by the alarm1 relay output, lower limit alarm,positive deviation alarm and negative deviation alarm by alarm2output, when alarm occurs no alarm type display in the lower display window. Then we reach a conclusion: A=1,B=0,C=0,D=0,E=1, and parameter "AL-P" should be configured to:
AL-P= 1x1+0x2+0x4+0x8+1x16=17

 

 
CooL System function COOL is used to select some system function:
  CooL=A×1+B×2
  A=0, reaction control mode, if the input increase, the output will diminishment like heating control.;
  A=1, direct action control mode, if input increase, output will increase like cooling control.
B=0, without the function of alarm while at the power on or SV change
B=1, have the alarm function while the power on and when the SV change have no alarm function.
0-7 2
Addr Communication
address
When the instrument have RS485 , Addr can be configured the ranged of 0 to256 In the same communication line's instruments, every one need have a different address. 0-256 0
bAud Communication
Baud rete
When the instrument have communication interface, parameter bAud is communication baud rate, the range is 300-19200bit/s(19.2K). - 9600
FILt PV
input filter
  When the FILt value set large, the measurement value is stabilized but the response time is longer.. 0-20 0
A-M Operation
condition
A-M is define manual / automatic control state
A-M=0, manual control state
A-M=1, automatic control state
A-M=2, automatic control state, in this state manual operation is prohibited. When the manual function is not required, it can avoid entering manual state due to operator's false operating.
If use the RS485 to control the instrument, the transfer of automatic/manual status can be carry out by adjusting parameter A-M from computer.
0-2 1
LocK lock Lock=0, can set locale parameter and SV.
Lock=1, can display and view the locale parameter, but don't to modification. The SV can set.
Lock=2, can display and view the locale parameter, but the locale parameter and SV all cannot modification.
Lock=808, all the parameter and SV can set.
When the Lock is set other values except 808, then only locale parameter the range of 0 to 8 r and parameter Lock itself can be display and set.
0-9999 808
EP1-
EP8
Field parameter
definition
When configuration of the instrument is completed, most parameters will not need to be locale operators. Furthermore, locale operators may not understand many parameters, and may probably set parameters incorrectly by mistake and make the instrument unable to work.
EP1-EP8 defines 1-8 locale parameters for operators' user in parameter table. Their parameter values are parameters except parameter EP itself like ALM1,ALM2, etc. When LOCK=0,1,2 and so on, only be defined parameter can display, other parameters can not be displayed and modified. This function can speed up the parameter modification and prevent important parameters (like input, output parameters) from modifying falsely.
Parameter EP1-EP8 can define 8 locale parameters at most, if the number of locale parameters is less than 8 (sometimes even none), it is necessary to define useful parameters from EP1-EP8 in order, the first parameter which are not used is defined as none. For example, two parameters of ALM1 and ALM2 are need to be modified by locale operators, the parameter EP can be set as follows:
Loc=0,EP1=ALM1,EP2=ALM2,EP3=nonE
Sometimes locale parameters are not needed after we finish adjusting the instrument, we can set EP1 parameter an nonE
- none

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