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Delta DT3 manual

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Table of contents for the manual

  • Page 1

    1 DT3 Series T emperature Controller Instruction Sheet  Precaution DANGER! Caution! Electric Shock ! 1. Do not touch the AC terminals while the power is s upplied to the controller to prevent an electric shock. 2. Make sure power is disconnected while checking the unit inside. W ARNING! This controller is an open-t ype temperature controller. Ma[...]

  • Page 2

    2 V : V oltage Pulse Output, 12V ±10% C: DC Current Output 4 ~ 20 m A L: Linear V oltage Ouptut 0 ~ 10 V DC EVENT inputs/ CT function (optional) 1 0: None, 1: Event Input3, 2: RS-485 Communication EVENT inputs/ CT function (optional) 2 0: None, 1: Event Input2, 2: CT measure input2, 3: Retransmission Output EVENT inputs/ CT function (optional) 3 0[...]

  • Page 3

    3 ALARM1 LOW: Lower limit alarm 1 (display according to the setting in ALARM mode) 4.0 ALARM2 HIGH: Upper limit alarm 2 (display according to the setting in ALARM mode) 4.0 ALARM2 LOW: Lower limit alarm 2 (display according to the setting in ALARM mode) 4.0 ALARM3 HIGH: Upper limit alarm 3 (set OUT2 to ALARM mode and it will display according to th[...]

  • Page 4

    4 ALARM mode) ALARM3 DELAY: Set up Alarm 3 delay (refer to “Alarm Outputs” ) (display when OUT2 is set to ALARM mode) 0 PV Color Change Function: Select the alarm to change PV display color. (refe r to "Alarm Outputs") OFF OUT INVERT: Set up reverse alarm output (the la st di git on the right indicates: OUT1 reverse; the 2nd last digi[...]

  • Page 5

    5 SV SLOPE: Set up rising slope (when CRTS = SLOP) ANALOG OUT1 MAX.: Adjust upper limit compensation for analog Output 1 (1scale = 1 μ A; 1scale = 1mV) 0 ANALOG OUT1 MIN.: Adjust lower limit compensation for analog Output 1* (1 scale = 1 μ A; 1scal e = 1mV) 0 ANALOG OUT2 MAX.: Adjust upper limit compensation for analog Output 2* (1scale = 1 μ A;[...]

  • Page 6

    6  Initial Start-up Setting 1. When setting up DT3 for the first time, press key for more than 3 seconds till the screen display and select according to your temperature sensor type. Please be aware that a selection of wrong model would cause PV temperature display error . (Ref er to the chart below) 2. When setting up the temperature sensor typ[...]

  • Page 7

    7 For example: Measure V alue=25.0; Compensation = 1.2. Af ter applying to the Compensation equation PV=26.2. ¾ Linear Compensation Gain (setti ng range = 0~0.999). Linea r Compensation Gain Calcul ation equation: PV = Measure V alue* (1 + Gain/1.000) + Compensation. For example: Measure V alue=25. 0; Gain= 0.100. After applying to the Gain calcul[...]

  • Page 8

    8 ¾ T o set Retransmission to positive/negative slopes (a Retransmission board must be installed first): In 【 Initial Setting Mode 】 set the parameter , the last digit (Y) of xxxY indica tes when Y =0 positive slope; when Y=1 negative slope. ¾ T o adjust the lower limit of Retransmission: a 、 Make sure the slope of Retransmission is positiv[...]

  • Page 9

    9 O u t p u t o f when in PID control mode (Ctrl= PID): When the controller is in PID control and dual loop output mode, sets the P value of the 2nd set of PID. The 1st set of PID is generated when TUNE= AT, but user can also manually sets the PI D value. The P value of th 2nd set of PID = the P value of 1s t set of PID x . The I and D value of the[...]

  • Page 10

    10 If the setting control is in running mode, the program will st ar t running from the initial pattern and initial step, and carry out commands one by one. When the setting control is in end mode, the program will stop running and give out an output disable. When setting control is in stop control and temperature is cont rolled at the setting valu[...]

  • Page 11

    11 ¾ Remote compensation adjustment: input corresponding lower limit of analog signal at the Remote end, set Remote compensation adjustment by parameter in 【 Regulation Mode 】 ¾ Remote gain adjustment: input corresponding upper limit of analo g signal at the Remote end, set Remote compensation adjustment by parameter in 【 Regulation Mode ?[...]

  • Page 12

    12 c 、 Coef and DeadB and are added in the PID parameter for double out put (one for heating and one for c ooling). Coef refers to the ratio between the first and second portions of output (P parameter of second group =Coef*P , Coef= 0.01~99.99); DeadBand is the overlapping temperature of the P output of the first group an d the second group. ¾ [...]

  • Page 13

    13 Auto Fine-tune the PID value. During the calculation, A T LED li ghts up in the display panel. When the PV value generates 2 curv es of temperature oscillation based on the SV value, the A T process is completed and the A T LED in the panel goes out. The calculated PID parameters are displayed in , , , and , of which their content can be revised[...]

  • Page 14

    14  EVENT Function This controller provides a maximum of 3 EVENT s (EV1~EV3) for respectively setting EV functions as shown in the following T able <1>. For example, if EV1 is used for Run/S top selection, when the c ontroller is set to RUN status, if terminals in the Option1 slot are open, the controller is in RUN status; if terminals in [...]

  • Page 15

    15 M103 M203 M303 M104 M204 M304 M105 M205 M305 M106 M206 M306 M107 M207 M307 M108 M208 M308 M109 M209 M309 M110 M210 M310 M111 M211 M311 M112 M212 M312 M113 M213 M313 M114 M214 M314 M115 M215 M315 M116 M216 M316 M117 M217 M317 M118 M218 M318 M119 M219 M319 M120 M220 M320 M121 M221 M321 M122 M222 M322 M123 M223 M323 M124 M224 M324 M125 M225 M325 M1[...]

  • Page 16

    16 screen . If the password is incorrect, the screen will return to PV/SV display mode. 3. Enter the new password two times in the screen. The screen w ill return to PV/SV display mode with the ke ys unlocked. If the two entries of password are not the same, the screen will go back to the state of step 2. ¾ Cannot remember the password: Restore fa[...]

  • Page 17

    17 17 When HOLD status happens to PI D program control, alarm output is ON. 18 When STOP status happens to PID prog ram control, alarm output is ON. 19 When END status happens to PID progra m control, alarm output is ON. ¾ T o set Alarm Mode: Use the parameters , , in 【 Initial Setting Mode 】 to select the alarm mode. There are in total of 19 [...]

  • Page 18

    18 1006H Heating/Cooling control selection Refer to Ouputput Mode Selection 1007H 1st group of Heating/Cooling control cycle 1~990, unit is 0.1 second. When the output setting = realy , the minimum control cycle is 5 second 1008H 2nd group of Heating/Cooling control cycle 1~990, unit is 0.1 second. When the output setting = realy , the minimum cont[...]

  • Page 19

    19 1 103H Reverse Out put Bit1: output 2, Bit0: output 1 1 104H Slope of T emperature Increase Unit: 0.1 / ℃ min or 0.1 ℃ /sec (refer to CommunicationAddress 1 124 H) 1 105H Remote Input T ype Selection 0: 0~20m A , 1: 4~20m A, 2: 0~5V , 3: 1~5V , 4: 0~10V 1 106H A T Control 0: A T(Auto-tune), 1: ST(Self-tune) 1 107H Remote Input Reverse Settin[...]

  • Page 20

    20 selection 0812H Decimal point position selection 0: No decimal place 1: decimal place. (Except for t he thermocouple B,S,R type, all other thermocouple type are valid.) 0813H A T setting OFF: 0 (default), ON : 1 0814H Control RUN/STOP setting 0: STOP , 1: RUN (default) 0815H STOP setting for PID program control 0: RUN (default), 1: STOP 0816H T [...]

  • Page 21

    21  Panel Cutout Pattern Panel Cutout ( W * H ) Model Panel Cutout ( W * H ) 4848 (DT320) 45mm * 45mm 7272 (DT330) 68mm * 68mm 4896 (DT340) 44.5mm * 91.5mm 9696 (DT360) 91mm * 91mm[...]