Delta Electronics DTA4896R1 User manual

Delta Temperature Controller
User Manual

Delta Temperature Controller User Manual
2007-09-17 - 2 - © DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
Foreword
The user manual details the process of using Delta DT series temperature controllers step by step
for beginners to easily set up all kinds of parameters in a short time.
CHAPTER 1: DEFAULT SETTINGS OF PARAMETERS
1.1 Default Settings in Temperature Controller 3
1.2 How to Return to Default Settings in DTA 4
1.3 How to Return to Default Settings in DTB 7
1.4 How to Return to Default Settings in DTC 10
CHAPTER 2: CONTROL MODES IN DTA
2.1 ON/OFF 11
2.2 MANUAL 12
2.3 PID 13
CHAPTER 3: CONTROL MODES IN DTB
3.1 ON/OFF 15
3.2 MANUAL 16
3.3 PID 17
3.4 PID PROG 19
CHAPTER 4: CONTROL MODES IN DTC
4.1 ON/OFF 21
4.2 MANUAL 23
4.3 PID 24
4.4 PID PROG 25

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© DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED - 3 - 2007-09-17
CHAPTER 1: DEFAULT SETTINGS OF PARAMETERS
1.1 Default Settings in Temperature Controller
DTA DTB DTC
Model: DTA4896R1 Model: DTB4896RR Model: DTC1000R
PV SV PV SV PV SV
Not connected
to sensor
0.0
Press for
more than 3
seconds to
enter initial
setting mode
Press for
more than 3
seconds to
enter initial
setting mode
Set up control modes
Control mode PID control
Run/stop Run
Output 1 Heating
Output 2 Heating
Status of key Normal
Auto-tuning End
Set up temperature
Input type
PT100
Input unit °C
Set value
0.0
Maximum input
temperature 600.0
Minimum input
temperature -20.0
Position of
decimal point
1 digit after
decimal point
Set up PID parameter
Proportional
band (P) 47.6
Integral time (I) 260
Derivative time
(D) 41
Control cycle 1 20
Integral default
value 0.0
Control cycle 2 20

Delta Temperature Controller User Manual
2007-09-17 - 4 - © DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
DTA DTB DTC
Model: DTA4896R1 Model: DTB4896RR Model: DTC1000R
PV SV PV SV PV SV
Adjust temperature
Input
compensation
0.0
Password of DTC
Level 1
password
Disabled
Level 2
password
Disabled
Level 3
password
Disabled
Back to top
Back to top
1.2 How to Return to Default Settings in DTA
Display Explanations
PV SV Status of the temperature controller
Temporary display when DTA is switched on: = relay
output with RS-485 communication.
Example displayed values
Press twice
Key-locked function
Select Lock 1
＋Press “up” and “down” keys together for 1 second.
Default value

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Display Explanations
PV SV Status of the temperature controller
Default value
Press “down” key continuously until the value reaches 1357
(please DO NOT modify this value; otherwise system confusion
may occur).
＋Press the two keys together once to return to main screen.
Main screen
Switch off DTA
and re-power it.
Return to default value. The default sensor is PT100, which will be
displayed when DTA is not connected to a sensor or
thermocouple.
The model adopted in this example is: DTA4896R1 with firmware V3.50.
1. Make sure RS-485 hardware communication cable in DTA has been connected to the computer.
2. Make sure the communication parameters in DTA are consistent with those in the computer.
Display Explanations
PV SV Status of the temperature controller
Example displayed values
Press for
more than 3
seconds to enter
initial setting
mode
Example displayed value: PT100 Sensor
Press
continuously for 8
times
ON/OFF of communication write-in
OFF: communication write-in disabled
ON: communication write-in enabled

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Display Explanations
PV SV Status of the temperature controller
Communication address
Communication speed
Data length (in bits)
Parity bit
Stop bit
Back to top Return to the first item in the initial setting mode:
Return to PV/SV screen in the operation mode
DTCOM Software Explanations
Execute DTCOM Software
Select “SINGLE COMMAND TEST”
Function address = 471B; Write data =1234.
(Please DO NOT modify this value; otherwise
system confusion may occur.)

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DTCOM Software Explanations
Clear the user’s settings.
Function address = 4724; Write data = 1234
(Please DO NOT modify this value; otherwise
system confusion may occur.)
After the above procedures are completed, DTA
will display the information on the left hand side,
representing that DTA has return to default
settings successfully.
Switch off DTA and re-power it.
Return to default value. The default sensor is
PT100, which will be displayed when DTA is not
connected to a sensor or thermocouple.
The model adopted in this example is: DTA4896R1 with firmware V3.50.
1.3 How to Return to Default Settings in DTB
Display Explanations
PV SV Status of the temperature controller
Temporary display when DTB is switched on: =
firmware V1.50; = relay output for OUT1/OUT2
Example displayed value
Press for 3 times
Key-locked function
Select Lock 1
＋Press “up” and “down” key together for 1 second.

Delta Temperature Controller User Manual
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Display Explanations
PV SV Status of the temperature controller
Press “down” key continuously until the value reaches 1357
(please DO NOT modify this value; otherwise system confusion
may occur).
＋Press the two keys together once to return to main screen.
Main screen
Switch off DTB
and re-power
it.
Return to default value. The default sensor is PT100, which will be
displayed when DTB is not connected to a sensor or
thermocouple.
The model adopted in this example is: DTB4896RR with firmware V1.50.
1. Make sure RS-485 hardware communication cable in DTB has been connected to the computer.
2. Make sure the communication parameters in DTB are consistent with those in the computer.
Display Explanations
PV SV Status of the temperature controller
Example displayed value
Press for
more than 3
seconds to enter
initial setting
mode
Example displayed value: PT100 Sensor
Press
continuously for
10 times
ON/OFF of communication write-in

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Display Explanations
PV SV Status of the temperature controller
OFF: communication write-in disabled
ON: communication write-in enabled
ASCII or RTU
Communication address
Communication speed
Data length (in bits)
Parity bit
Stop bit
back to top Return to the first item in the initial setting mode:
Return to PV/SV screen in the operation mode
DTCOM Software Explanations
Execute DTCOM Software
Select “SINGLE COMMAND TEST”
Function address = 472A; Write data =1234
(Please DO NOT modify this value; otherwise
system confusion may occur.)

Delta Temperature Controller User Manual
2007-09-17 - 10 - © DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
DTCOM Software Explanations
Clear the user’s settings.
Function address = 474E; Write data = 1234
(Please DO NOT modify this value; otherwise
system confusion may occur.)
After the above procedures are completed, DTB
will display the information on the left hand side,
representing that DTB has return to default
settings successfully.
Switch off DTB and re-power it.
Return to default value. The default sensor is
PT100, which will be displayed when DTC is not
connected to a sensor or thermocouple.
The model adopted in this example is: DTB4896RR with firmware V1.50.
1.4 How to Return to Default Settings in DTC
1. Make sure RS-485 hardware communication cable in DTC has been connected to the computer.
2. Make sure the communication parameters in DTC are consistent with those in the computer.
DTCOM Software Explanations
Execute DTCOM Software
Select “SINGLE COMMAND TEST”

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DTCOM Software Explanations
Function address = 472A; Write data = 1234
(Please DO NOT modify this value; otherwise
system confusion may occur.)
Clear the user’s settings.
Function address = 474E; Write data = 1234
(Please DO NOT modify this value; otherwise
system confusion may occur.)
Switch off DTC and re-power it. Return to default settings
The model adopted in this example is: DTC1000R with firmware V1.40.
CHAPTER 2: CONTROL MODES IN DTA
2.1 ON/OFF
There are three control modes in DTA: ON/OFF, MANUAL and PID. First, press for 3 seconds
to enter the “initial setting” mode. See below for how to switch between each mode:

Delta Temperature Controller User Manual
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Display Explanations
PV SV Status of the temperature controller
Message displayed when DTA has not yet been connected
to a sensor.
Press for
more than 3
seconds to enter
initial setting
mode
Select the sensor connected. Default = PT100
Temperature unit. Default = °C
Upper limit of temperature range
Lower limit of temperature range
The control modes include: PID, ON/OFF, MANUAL.
Default = PID. Select “ON/OFF” here.
Select heating or cooling mode. Default = heating
Set up Alarm mode 1. Default = alarm output disabled
Set up Alarm mode 2. Default = alarm output disabled
ON/OFF of communication write-in. Default = OFF
Communication address
Communication speed
Data length (in bits)
Parity bit
Stop bit
Back to top

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Parameters relevant to ON/OFF control
Press in the main screen of DTA to enter the “regulation mode”.
Display Explanations
PV SV Status of the temperature controller
or
Set up hysteresis. Default = heating hysteresis. Can be set as
cooling hysteresis as well. Both default values are “0”.
2.2 MANUAL
Press for 3 seconds in the main screen to enter the “initial setting mode”. Press several
times until the parameter is displayed.
Display Explanations
PV SV Status of the temperature controller
The control modes include: PID, ON/OFF, MANUAL.
Default = PID. Select “MANUAL” here.
Back
to top
Press to return to the main screen.
Parameters relevant to MANUAL control
Press in the main screen of DTA to enter the “regulation mode”.
Display Explanations
PV SV Status of the temperature controller
or
Set up heating or cooling control cycle. Default = heating, 20
seconds per cycle.
Press in the main screen of DTA to enter the “operation mode”.
Display Explanations
PV SV Status of the temperature controller
Run/stop
Key-locked function
Manually adjust the output percentage. Assume the percentage
value = 50 and the cycle = 20 seconds plus heating control, the
system will conduct heating output for 10 seconds and stop for the
other 10 seconds.
2.3 PID
Press for 3 seconds in the main screen to enter the “initial setting mode”. Press several
times until the parameter is displayed.

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2007-09-17 - 14 - © DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
Display Explanations
PV SV Status of the temperature controller
The control modes include: PID, ON/OFF, MANUAL.
Default = PID. Select “PID” here.
Back to
top
Press to return to the main screen.
Parameters relevant to PID control
Press in the main screen of DTA to enter the “regulation mode”.
Display Explanations
PV SV Status of the temperature controller
ON/OFF of auto-tuning
Default value for proportional control
Default value for integral control
Default value for derivative control
Default integral value
Heating/cooling control cycle
Temperature inaccuracy adjustment value
Press in the main screen of DTA to enter the “operation mode”.
Display Explanations
PV SV Status of the temperature controller
Run/stop
Key-locked function
Output volume. In PID control mode, this is a read-only parameter
and cannot be modified.

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CHAPTER 3: CONTROL MODES IN DTB
3.1 ON/OFF
There are four control modes in DTB: ON/OFF, MANUAL, PID and PID PROG. To switch to
ON/OFF mode, first press for 3 seconds to enter the “initial setting” mode. See below for how
to switch between each mode:
Display Explanations
PV SV Status of the temperature controller
Message displayed when DTB has not yet been connected to a
sensor.
Press for
more than 3
seconds to
enter initial
setting mode
Select the sensor connected. Default = PT100
Temperature unit. Default = °C
Upper limit of temperature range
Lower limit of temperature range
The control modes include: ON/OFF, MANUAL, PID and PID
PROG. Default = PID. Select “ON/OFF” here.
Select heating/cooling/heating 1 cooling 2/heating 2 cooling 1.
Default = heating
Set up Alarm mode 1. Default = alarm output disabled.

Delta Temperature Controller User Manual
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Display Explanations
PV SV Status of the temperature controller
Set up Alarm mode 2. Default = alarm output disabled.
Set up Alarm mode 3. Default = alarm output disabled.
Set up system alarm
ON/OFF of communication write-in. Default = OFF
Select communication format
Communication address
Communication speed
Data length (in bits)
Parity bit
Stop bit
Back to
top
Parameters relevant to ON/OFF control
Press in the main screen of DTB to enter the “regulation mode”.
Display Explanations
PV SV Status of the temperature controller
or
Set up hysteresis. Default = heating hysteresis. Can be set as
cooling hysteresis as well. Both default values are “0”.
3.2 MANUAL
Press for 3 seconds in the main screen to enter the “initial setting mode”. Press several
times until the parameter is displayed.

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Display Explanations
PV SV Status of the temperature controller
The control modes include: ON/OFF, MANUAL, PID and PID
PROG. Default = PID. Select “MANUAL” here.
Back to
top
Press to return to the main screen.
Parameters relevant to MANUAL control
Press in the main screen of DTB to enter the “regulation mode”.
Display Explanations
PV SV Status of the temperature controller
or
Set up heating or cooling control cycle. Default = heating, 20
seconds per cycle.
Press in the main screen of DTB to enter the “operation mode”.
Display Explanations
PV SV Status of the temperature controller
Run/stop
Set up the position of decimal point.
1 = value with decimal point; 2 = value without decimal point
Key-locked function
Manually adjust the output percentage. Assume the percentage
value = 50 and the cycle = 20 seconds plus heating control, the
system will conduct heating output for 10 seconds and stop for
the other 10 seconds.
3.3 PID
Press for 3 seconds in the main screen to enter the “initial setting mode”. Press several
times until the parameter is displayed.
Display Explanations
PV SV Status of the temperature controller
The control modes include: ON/OFF, MANUAL, PID and PID PROG.
Default = PID.
Back to
top
Press to return to the main screen.
Parameters relevant to PID control
Press in the main screen of DTB to enter the “regulation mode”.

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Display Explanations
PV SV Status of the temperature controller
ON/OFF of auto-tuning
The 0th PID parameter. There are 4 groups of PID parameters
built in DTB. When the parameter is set ass PID4, the system
will automatically adopt the PID value of the current temperature
closest to PID0 ~ 3.
The 0th SV
The 0th default value for proportional control
The 0th default value for integral control
The 0th default value for derivative control
The 0th default integral value
Heating/cooling control cycle
Temperature inaccuracy adjustment value
Press in the main screen of DTB to enter the “operation mode”.
Display Explanations
PV SV Status of the temperature controller
Run/stop
Set up the position of decimal point
Key-locked function
Output volume. In PID control mode, this is a read-only
parameter and cannot be modified.

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3.4 PID PROG
Press for 3 seconds in the main screen to enter the “initial setting mode”. Press several
times until the parameter is displayed.
Display Explanations
PV SV Status of the temperature controller
The control modes include: ON/OFF, MANUAL, PID and PID
PROG. Default = PID. Select “PID PROG” here.
DTB offers 8 patterns and 8 steps for each pattern, totaling 64
steps. Range of a pattern: OFF ~ 7. OFF = the function disabled.
Temperature SV for pattern 0 and step 0
Time SV for pattern 0 and step 0
Temperature SV for pattern 0 and step 1
Time SV for pattern 0 and step 1
… … …
… … …
Temperature SV for pattern 0 and step 7
Time SV for pattern 0 and step 7
Actual number of steps executed in pattern 0
Actual number of loops executed in pattern 0
Pattern linked after the execution of pattern 0 is completed.
OFF = end of linking patterns
Return to
Back to
top
Press to return to the main screen.
Return to the main screen to switch to the functions below.

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Display Explanations
PV SV Status of the temperature controller
＋Remaining time in the current step
＋Target temperature for the current execution
＋The pattern currently executed
Parameters relevant to PID PROG control
Press in the main screen of DTB to enter the “regulation mode”.
Display Explanations
PV SV Status of the temperature controller
The 0th PID parameter. There are 4 groups of PID parameters
built in DTB. When the parameter is set ass PID4, the system will
automatically adopt the PID value of the current temperature
closest to PID0 ~ 3.
The 0th SV
The 0th default value for proportional control
The 0th default value for integral control
The 0th default value for derivative control
The 0th default integral value
Heating/cooling control cycle
Temperature inaccuracy adjustment value
Press in the main screen of DTB to enter the “operation mode”.
Display Explanations
PV SV Status of the temperature controller
//
/
Stop/run/program stop/program hold。
Program stop: Run the system again, and DTB will start from
the initial step.
Program hold: Run the system again, and DTB will follow and
start from the previous step.