Delta DT3 User Manual

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DT3 Series Temperature Controller Instruction Sheet
DANGER! Caution! Electric Shock!
1. Do not touch the AC terminals while the power is supplied to the controller to prevent an electric shock.
2. Make sure power is disconnected while checking the unit inside.
This controller is an open-type temperature controller. Make sure to evaluate any dangerous application in which a
serious human injury or serious property damage may occur.
1. Always use recommended solder-less terminals: Fork terminal with isolation. (M3 screw, width is 6.0mm)
2. Do not allow dust or foreign objects to fall inside the controller to prevent it from malfunctioning.
3. Never modify or disassemble the controller.
4. Do not connect anything to the “No used” terminals.
5. Make sure all wires are connected to the correct polarity of terminals.
6. Do not install and/or use the controller in places subject to:
y Dust or corrosive gases and liquid y High humidity and high radiation
y Vibration and shock
y High voltage and high frequency
7. Must turn power off when wiring and changing a temperature sensor.
8. Be sure to use compensating wires that match the thermocouple types when extending or connecting the thermocouple wires.
9. Please use wires with resistance when extending or connecting a platinum resistance thermometer (RTD).
10. Please keep the wire as short as possible when wiring a platinum resistance thermometer (RTD) to the controller and please
route power wires as far as possible from load wires to prevent interference and induced noise.
11. This controller is an open-type unit and must be placed in an enclosure away from high temperature, humidity, dripping water,
corrosive materials, airborne dust and electric shock or vibration.
12. Please make sure power cables and signals from instruments are all installed properly before energizing the controller,
otherwise serious damage may occur.
13. Please do not touch the terminals in the controller or try to repair the controller when power is applied to prevent an electric
14. Wait at least one minute after power is disconnected to allow capacitors to discharge, and please do not touch any internal
circuit within this period.
15. Do not use acid or alkaline liquids for cleaning. Please use a soft, dry cloth to clean the controller.
Display, LED & Pushbuttons
Odering Information
DT3 Series DT3: Delta 3 Series Temperature Controller
Panel Size (W×H)
20: 4848 1/16 DIN W48 × H48mm
30: 7272 W72 × H72mm
40: 4896 1/8 DIN W48 × H96mm
60: 9696 1/4 DIN W96 × H96mm
1st output group selection
R: Relay Output, 250 VAC, 5A
V: Voltage Pulse Output, 12V ±10%
C: DC Current Output, 4 ~ 20 mA
L: Linear Voltage Ouptut 0 ~ 10 VDC
Power supply
A: AC 80 ~ 260 V
D: DC 24 VDC
2nd output group selection
0: None
R: Relay Outupt,250 VAC, 5A
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Summary of Contents

Page 1 - Odering Information

1 DT3 Series Temperature Controller Instruction Sheet Precaution DANGER! Caution! Electric Shock! 1. Do not touch the AC terminals while the p

Page 2 -  Operation

10If the setting control is in running mode, the program will start running from the initial pattern and initial step, and carry out commands one b

Page 3

11¾ Remote compensation adjustment: input corresponding lower limit of analog signal at the Remote end, set Remote compensation adjustment by para

Page 4

12c、 Coef and DeadBand are added in the PID parameter for double output (one for heating and one for cooling). Coef refers to the ratio between th

Page 5 - Select the n

13Auto Fine-tune the PID value. During the calculation, AT LED lights up in the display panel. When the PV value generates 2 curves of temperature

Page 6

14 EVENT Function This controller provides a maximum of 3 EVENTs (EV1~EV3) for respectively setting EV functions as shown in the following Table &

Page 7

15M103 M203 M303 M104 M204 M304 M105 M205 M305 M106 M206 M306 M107 M207 M307 M108 M208 M308 M109 M209 M309 M110 M210 M310 M

Page 8 - Heating

16screen . 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 sc

Page 9 -  SV Control Mode Setting

1717 When HOLD status happens to PID program control, alarm output is ON. 18 When STOP status happens to PID program control, alarm output is O

Page 10

181006H Heating/Cooling control selection Refer to Ouputput Mode Selection 1007H 1st group of Heating/Cooling control cycle 1~990, unit is 0.1 s

Page 11 -  Control Mode Setting

191103H Reverse Output Bit1: output 2, Bit0: output 1 1104H Slope of Temperature Increase Unit: 0.1 /℃ min or 0.1℃/sec (refer to Communicatio

Page 12

2V: Voltage Pulse Output, 12V ±10% C: DC Current Output 4 ~ 20 m A L: Linear Voltage Ouptut 0 ~ 10 VDC EVENT inputs/ CT function (optional) 1

Page 13 -  CT Function

20selection 0812H Decimal point position selection 0: No decimal place 1: decimal place. (Except for the thermocouple B,S,R type, all other thermo

Page 14 -  EVENT Function

21 Panel Cutout Pattern Panel Cutout ( W * H ) Model Panel Cutout ( W * H ) 4848 (DT320) 45mm * 45mm 7272 (DT330) 68mm * 68mm 4896 (DT340)

Page 15 -  Key Lock Function

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

Page 16 -  Alarm Outputs

4ALARM 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:

Page 17 - RS-485 Communication

5 SV SLOPE: Set up rising slope (when CRTS = SLOP) ANALOG OUT1 MAX.: Adjust upper limit compensation for analog Output 1 (1scale = 1μA; 1scale =

Page 18

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 selec

Page 19

7For example: Measure Value=25.0; Compensation = 1.2. After applying to the Compensation equation PV=26.2. ¾ Linear Compensation Gain (setting

Page 20

8¾ To set Retransmission to positive/negative slopes (a Retransmission board must be installed first): In 【Initial Setting Mode】 set the parame

Page 21 -  Panel Cutout

9 Output of when in PID control mode (Ctrl=PID): When the controller is in PID control and dual loop output mode, sets the P

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