background image

 

Parameter lock. 

This security feature locks out selected levels or single 

parameters prohibiting tampering and inadvertent programming changes. 

0000 

All parameters are locked. 

0001 

Only SP is adjustable. 

0010 

USER (level) and A1(parameter) are adjustable. 

0011 

USER

PID(level) and A1

A2(parameter) are adjustable. 

0100 

USER

PID

OPTI(level) and A1

A2(parameter) are adjustable. 

1000 

Additional A3(parameter). All parameter you can find out,but 
can’t adjustable.   

1001 

Additional A3(parameter)

only SP is adjustable. 

1010 

Additional A3(parameter). USER(level) and A1(parameter) are 
adjustable. 

1011 

USER

PID (level) and A1

A2

A3 (parameter) are adjustable. 

1100 

All parameters in all level are opened. 

 

 

 

THIRD PROGRAMMING LEVEL PARAMETERS 

CODE 

DESCRIPTION RANGE 

Default 

 

Input type selection. 

TYPE 

RANGE(

) RANGE(

-50 

 1000 

-58 

 1832  

-50 

 1370 

-58 

 2498 

-270 

 400 

-454 

 752 

-50 

 1000 

-58 

 1832 

 1800 

32 

 3272 

-50 

 1750 

-58 

 3182 

-50 

 1750 

-58 

 3182 

-50 

 1300 

-58 

 2372 

-50 

 1800 

-58 

 3272 

D-PT 

-200 

 850 

-328 

 1652 

J-PT 

-200 

 600 

-328 

 1112 

LINE 

-1999 

 9999 

 

  Refer to figure. 

 

Unit of process value.

 The parameter is not displayed when 

=LinE

   

Degrees C. 

Degrees F. 

 

 

Used to limit the process value when linear input 
(type=line) signal is out of range. 
None= 

this function is not used.

 

Lo = 

The process value will be limited to LoLt when input 

signal is lower than the scale range. 

Hi = 

The process value will be limited to HiLt when input 

signal is higher than the scale range. 

Lo.Hi = 

The process value will be limit within the range of 

LoLt to HiLt when input signal is out of scale.

 

nonE

Lo 

Hi

Hi.Lo 

 

 

Decimal Point selection. 

0000

No decimal point. 

000.0

0.1 resolution 

00.00

0.01 resolution, used for linear input only. 

0.000

0.001 resolution, used for linear input only. 

After changing the decimal point parameter please re-check 
all the parameters.

 

0000 

000.0 
00.00 
0.000 

0000 

  Output control action. 

 :Reverse 

action 

for heating. 

:Direct action for 

cooling. 

 

 

8

Summary of Contents for VD 26 Series

Page 1: ...the parameters including the Process Variable and Set Point It is fully configurable on input including PT100 RTD There are three simple steps required to get you up and running 1 Installation 2 Wiri...

Page 2: ...play will change and read Type 5 Use the up or down keys to select the input type you require 6 Now press the set key once and the display will read Type 7 Now press the set key a few times until you...

Page 3: ...ill be charged for repairing it 6 2 All controllers are Relay output as factory standard To have SSR you must especially order them with this option 7 Relay output If you are using a relay output cont...

Page 4: ...w Scale of Linear Input 1999 9999 199 9 999 9 0 0 High Scale of Linear Input 1999 9999 199 9 999 9 100 0 10 Commissioning Having correctly wired the unit you are now ready for the initial turn on 1 Tu...

Page 5: ...e next programmable parameter press for 5 seconds to move from one programming level to next 2 UP KEY Press to increase the set point or parameter value 3 DOWN KEY Press to decrease the set point or p...

Page 6: ...PROGRAMMING LEVEL PARAMETERS lst Prog Level 2nd Prog Level 3rd Prog Level Press 5 seconds Press 5 seconds Press 5 seconds 6...

Page 7: ...ON OFF control mode 0 0 300 0 0 0 Derivative Rate This value is automatically calculated by activating the Auto tune function When 0 0 this parameter will not appear 0 900sec 0 Hysteresis for ON OFF...

Page 8: ...000 58 1832 B 0 1800 32 3272 R 50 1750 58 3182 S 50 1750 58 3182 N 50 1300 58 2372 C 50 1800 58 3272 D PT 200 850 328 1652 J PT 200 600 328 1112 LINE 1999 9999 Refer to figure K Unit of process value...

Page 9: ...efer to alarm function section for detail nonE Hi Lo dif H dif L bd Hi bd Lo t on t oFF Alarm 3 mode Refer to alarm mode section for detail nonE Stdy Lath St La HH mm mm SS RS485 address 0 255 0 Commu...

Page 10: ...CTION SELECTION ALMD DESCRIPTION Normal alarm mode Startup inhibit When selected in any alarm function prevents an alarm on power up The alarm is enabled only when the process value reaches the alarm...

Page 11: ...ck correct input sensor selection Sensor break error Sensor not connected Replace sensor Check the sensor is connected correctly Keypad no function Keypads are locked Keypads defective Set to a proper...

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