http://www.delta.com.tw/industrialautomation/
Temperature Controller
Instruction Sheet
Thank you very much for purchasing DELTA DTC1000/2000 Series Temperature Controller. Please read this instruction sheet before using your DTC1000/2000 series to ensure proper operation, and please keep this instruction sheet handy for quick reference.
Caution
DANGER! Caution! Electric Shock!
DTC1000/2000 series is an OPEN-TYPE device and therefore should be installed in an enclosure free of airborne dust, humidity, electric shock and vibration. The enclosure should prevent non-maintenance staff from operating the device (e.g. key or specific tools are required to open the enclosure) in case danger and damage on the device may occur.
WARNING!
1.Prevent dust or metallic debris from falling into the controller that will cause malfunction. DO NOT modify or disassemble the controller. DO NO use extra terminals.
2.Do not install and/or use the controller in places subject to:
dust or corrosive gases and liquid high humidity and high radiation vibration and shock
3.Switch off the power when wiring or changing input sensors.
4.Be sure to use compensating wires that match the thermocouple types when extending or connecting the thermocouple wires.
5.Shorten the wire when wiring a platinum resistance thermometer (RTD) to the controller, and separate power cable from load wires to prevent interference and conductive influence.
6.Make sure the power cable and signals device are installed correctly before switching on the power of DTC1000/2000; otherwise serious damage may occur.
7.DO NOT touch the terminals or repair the controller when the power is on to prevent electric shock.
8.Wait at least one minute after the power is off to allow the capacitor to discharge. DO NOT touch any internal circuit within this period.
9.DO NOT touch the internal terminals no matter the power is on or off.
10.DO NOT place other heating source (e.g. power supply) in parallel with DTC1000/2000 during the installation. Please keep proper space in between.
Model Name Explanation
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DTC |
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2 |
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4 |
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5 |
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Series name |
DTC: Delta C series temperature controller |
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1: First controller |
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1 |
Controller position |
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2: Controller connected in parallel |
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0: standard, 2 outputs, no auxiliary output |
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2 |
Auxiliary output |
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1: 1 auxiliary output. Not available now. |
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2: 2 auxiliary outputs. Not available now. |
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00: Standard |
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3 |
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4 |
Optional |
01: CT input. Not available now. |
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02: EVENT input. Not available now. |
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R: Relay output SPST, 250VAC, 3A |
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V: Voltage pulse output 12V +10% ~ -20% |
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5 |
Main output type |
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C: Current output 4 ~ 20mA |
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L: Linear voltage output 0 ~ 10V |
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Enclosed functions: DC24V input, 2 outputs, relay output for output 2, RS-485 communication.
Function & Specification
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Power supply |
DC24V. Isolated switching power |
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Voltage range |
Rated voltage: 90% ~ 110% |
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Power consumption |
Rated 24 VDC, Max. 24 W combined, 3W + 3W x number of DTC2000 controllers (Max. 7) |
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Thermocouple: K, J, T, E, N, R, S, B, L, U, TXK |
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Input sensors |
Platinum RTD: Pt100, JPt100 |
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Linear DC input: 0 ~ 5V, 0 ~ 10V, 0 ~ 20mA, 4 ~ 20mA, 0 ~ 50mV |
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Sampling rate |
Analog input: 0.15 sec. Thermocouple or platinum RTD: 0.4 sec. |
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Control method |
PID , programmable PID, Manual, ON/OFF |
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Relay: SPST, Max. load 250VAC, 3A resistive load |
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Output types |
Voltage pulse: 12VDC, Max. output current: 40mA |
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Current: DC 4 ~ 20mA (Load resistance: < 500Ω) |
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Analog voltage: 0 ~ 10V (Load resistance: > 1,000Ω) |
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Output function |
Control output, alarm output, proportional output |
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Proportional output is available only when output 1 is linear voltage/current output. |
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Alarm |
12 alarm modes |
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Communication |
RS-485 digital communication, 2,400bps ~ 38,400bps |
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Communication protocol |
Modbus protocol, ASCII/RTU format |
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Internal connection |
Internal terminals available to transmit 24V power supply and communication signals |
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Vibration resistance |
10 ~ 55Hz, 10m/s2 for 10mins, each in X, Y and Z direction |
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Shock resistance |
Max. 300m/s2, 3 times in each 3 axes, 6 directions |
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Ambient temperature |
0 ~ 50°C |
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Storage temperature |
-20 ~ +65°C |
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Altitude |
< 2,000m |
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Ambient humidity |
35% ~ 85% RH (non-condensing) |
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Pollution degree |
2 |
Product Profile & Outline |
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DTC1000R/V/C/L |
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3.0 |
1 |
RUN/STOP switch |
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2 |
Wiring and Model name |
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6 |
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4 |
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3 |
DIN rail clip |
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1 |
5 |
7 |
11 |
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4 |
I/O terminals |
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8 |
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5 |
LED indicators |
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10 |
12 |
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90.0 |
6 |
Mounting hole |
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Specification label |
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13 |
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9 |
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8 |
Extension port |
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3 |
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3 |
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9 |
Extension clip |
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10 |
DIN rail |
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11 |
RS-485 communication port |
25.2 |
4.0 |
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3.4 |
60.0 |
3.0 |
12 |
Extension clip |
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13 |
DC power input |
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3.0 |
DTC2000R/V/C/L |
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3 |
5 |
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1 |
Wiring and Model name |
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2 |
DIN rail clip |
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4 |
6 |
10 |
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3 |
I/O terminals |
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7 |
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4 |
LED indicators |
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90.0 |
5 |
Mounting hole |
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1 |
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6 |
Specification label |
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7 |
Extension port |
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2 |
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2 |
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8 |
Extension clip |
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9 |
DIN rail |
25.2 |
4.0 |
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3.4 |
60.0 |
3.0 |
10 |
Extension port |
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Input
DTC1000/2000 series supports the following input sensors:
Input Sensor |
Register Value |
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Available Range |
0 ~ 50mV linear voltage input |
17 |
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0 ~ 50mV |
4 ~ 20mA linear current input |
16 |
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4 ~ 20mA |
0 ~ 20mA linear current input |
15 |
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0 ~ 20mA |
0 ~ 10V linear voltage input |
14 |
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0 ~ 10V |
0 ~ 5V linear voltage input |
13 |
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0 ~ 5V |
Platinum RTD (Pt100) |
12 |
-200 ~ 600°C (-328 ~ 1,112°F) |
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Platinum RTD (JPt100) |
11 |
-20 ~ 400°C (-4 ~ 752°F) |
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Thermocouple TXK type |
10 |
-200 ~ 800°C (-328 ~ 1,472°F) |
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Thermocouple U type |
9 |
-200 ~ 500°C (-328 ~ 932°F) |
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Thermocouple L type |
8 |
-200 ~ 850oC (-328 ~ 1562°F) |
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Thermocouple B type |
7 |
100 |
~ 1,800°C (212 ~ 3,272°F) |
Thermocouple S type |
6 |
0 ~ 1,700°C (32 ~ 3,092°F) |
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Thermocouple R type |
5 |
0 ~ 1,700°C (32 ~ 3,092°F) |
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Thermocouple N type |
4 |
-200 |
~ 1,300°C (-328 ~ 2,372°F) |
Thermocouple E type |
3 |
0 ~ 600°C (32 ~1,112°F) |
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Thermocouple T type |
2 |
-200 ~ 400°C (-328 ~ 752°F) |
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Thermocouple J type |
1 |
-100 |
~ 1,200°C (-148 ~ 2,192°F) |
Thermocouple K type |
0 |
-200 |
~ 1,300°C (-328 ~ 2,372°F) |
Note 1: The current input is built-in with 249Ω precision resistor. See “How To Set up Current Input” section. Note 2: Default setting: Pt100 input.
The range of linear input and feedback value is adjustable. Range of input feedback: -999 ~ 9,999. Take 0 ~ 20mA input as example, -999 refers to 0mA input, and 9,999 refers to 20mA input. If we change the range to 0 ~ 2,000, 0 will refer to 0mA input, and 2,000 will refer to 20mA input. 1 display scale = 0.01mA.
Output
There are several output types available from DTC1000/2000 series: Control Output (heating/cooling), Alarm Output and Proportional Output.
y Control Output
DTC1000/2000 series offers 2 outputs for heating or cooling control. If you require dual loop output, the 2 outputs should be set to different actions (heating or cooling). If you require the 2 outputs are set to the same control action, only the control cycle of output 1 will be valid, and the 2 outputs will act at the same time.
The control methods include: PID control, ON/OFF control, Manual control and programmable PID control.
y Single Output Control
Heating hysteresis |
Cooling hysteresis |
ON |
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Heating |
Cooling |
OFF |
PV |
Set Point |
Set Point |
Figure1: ON/OFF Control
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Output |
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100% |
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100% |
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Cooling |
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Heating |
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0 |
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PV |
0 |
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PV |
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Set Point |
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Set Point |
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Figure 2: PID Control, Cooling) Control |
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Figure 3: PID Control, Heating Control |
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y Dual Output Control |
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Deadband |
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Heating hysteresis |
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Cooling hysteresis |
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ON |
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Heating |
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Cooling |
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OFF |
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PV |
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Set Point |
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Figure 4: ON/OFF Control |
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Deadband: Dead |
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Deadband: Dead |
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Output |
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Bandwidth: Positive |
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Output |
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Bandwidth: Negative |
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Heating |
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Cooling |
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Heating |
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Cooling |
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0 |
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PV |
0 |
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PV |
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Set Point |
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Set Point |
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Figure 5: PID control |
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Figure 6: PID Control |
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y Programmable PID Control & Parameters Setting
The programmable PID control includes 8 patterns (Pattern 0 ~ 7). Each pattern contains 8 steps (Step 0 ~ 7) and parameters: “link pattern”, “cycle” and “the number of steps”.
Start Pattern: The user can set up which pattern is the start pattern for the programmable control.
Steps: Includes the settings of the two parameters, set point X and execution time T, indicating that the set point (SV) has to rise to temperature X after the period of execution time T. If the result of the set point X is the same as that of the previous setting, the process is called “Soak”; otherwise, it is called “Ramp”. Therefore, the programmable control is also known as Ramp/Soak control. The default setting of the first step is Soak control. The temperature will first rise to the set point X and remain at X. The total execution time is T.
Link Pattern: The pattern to be executed following the current pattern. If the setting is not 0 ~ 7, the set point will remain at the last pattern.
Cycle: The additional number of cycles for a pattern. For example, if the parameter is set to 2, it refers to the pattern has to execute additional twice, totaling the execution to 3 times including the original one.
The Number of Steps: The number of steps in each pattern (range: 0 ~ 7). For example, if the parameter is set to 2, it refers to the pattern will execute Step 0 ~ Step 2, and other steps will not be executed.
The Execution: Available settings include “run”, “program hold”, “program stop” or “stop”.
1.When this parameter is set to “run”, the program will start its execution from step 0 of the start pattern.
2.When this parameter is set to “program hold”, the program will stop and the temperature will stop at the SV before the program stops. If the user sets to “run” again, the program will resume the step before the program stops and execute by the remaining time.
3.When this parameter is set to “program stop”, the program will stop and the temperature will stop at the SV before the program stops. If the user sets to “run” again, the program will execute again from Step 0 of the start pattern.
4.When this parameter is set to “stop”, the program will stop, and the control output will be disabled.
Proportional Output:
If Output 1 of this DTC1000/2000 series is linear voltage or current, the user can set it to “Proportional Output”. Proportional output refers to the output varies with the input. For example, if the input range is set to 0 ~ 1,000, and when the input value is 0, the output will be 0mA or 0V. When the input value is 1,000, the output will be 20mA or 10V.
Output |
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Output |
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10V or 20mA |
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10V or 20mA |
Positive output slope |
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Negative |
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output slope |
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0V or 4mA |
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PV |
0V or 4mA |
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PV |
PV Low |
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PV High |
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PV Low |
PV High |
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Figure 7: Proportional Output
y Alarm Output
DTC1000/2000 series offers 12 alarm modes. When the PV exceeds or falls below SV, the alarm output will be enabled. See the table below for the 12 modes.
Mode |
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Alarm Type |
Alarm Output Operation |
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0 |
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No alarm |
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OFF |
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Alarm output will be enabled when the temperature reaches upper and lower |
ON |
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1 |
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OFF |
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y Alarm will be enabled when the PV exceeds SV + AL-H or falls below SV – |
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AL-L SV AL-H |
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AL-L. |
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