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User's Manual

FDC-2220
Self-Tune Fuzzy / PID
Process Temperature Controller

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Summary of Contents for FDC-2220

Page 1: ...User s Manual FDC 2220 Self Tune Fuzzy PID Process Temperature Controller ...

Page 2: ...dred years although PID control has been used and proved to be an efficient controlling method by many industries yet the PID is difficult to deal with some sophisticated systems such as second order systems long time lag systems during setpoint change and or load disturbance circumstance etc The PID principle is based on a mathematic modeling which is obtained by tuning the process Unfortunately ...

Page 3: ...FF Cycle Time Control Action POWER Rating Consumption ENVIRONMENTAL PHYSICAL Safety Protection EMC Emmission EMC Immunity Operating Temperature Humidity Insulation Breakdown Vibration Shock Moldings Weight 100 K ohms 0 1 C C ambient typical Protection mode configurable 100 ohms max 60dB 120dB 5 times second 0 200 C 0 360 F 0 3600 seconds 0 1000 seconds 0 55 55 C 99 99 F minute 0 9999 minutes With ...

Page 4: ...ration should be given to the prevention of unauthorised personnel from gaining access to the power terminations 4 4 2 Thermocouple Input Thermocouple input connections are shown in Figure 4 5 The correct type of thermocouple extension lead wire or compensating cable must be used for the entire distance between the controller and the thermocouple ensuring that the correct polarity is observed thro...

Page 5: ... 4 12 Linear Voltage Current Connections 6 5 _ 0 20mA 4 20mA or 0 10V 4 4 8 Linear Output There are three types of linear output modules See Section 2 can be selected for control output OUT 1 The connections are shown in Figure 4 12 6 5 Load 120V 240V Mains Supply _ _ SSR Fig 4 11 SSR Drive Connections TOUCHKEYS FUNCTION DESCRIPTION Up Key Press and release quickly to select the desired digit of a...

Page 6: ... Heating Action Alarm with Hold Function Dwell Timer ON as Time Out No Special Function Alarm with Latch Function Alarm with Latch Hold Function Dwell Timer OFF as Time Out Deviation High Alarm Full Scale High Alarm Full Scale Low Alarm Deviation Band High Alarm Deviation Band Low Alarm Deviation Low Alarm 5 3 FLOW CHART OF PARAMETERS Normal Display Process value setpoint value Low scale to high s...

Page 7: ...n code 19 9 42 7 count Adjust the drift Adjust the drift compensation code 6 6 6 6 count Select a proper status for Output 1 Output 1 ON Output 1 OFF Protect Lock all the Level 0 parameters Allow all the Level 0 parameters to be adjustable Select Lock or F ree for the Security Level 1 Protect Lock all the Level 1 parameters Allow all the Level 1 parameters to be adjustable Select Lock or F ree for...

Page 8: ...rocess value so that the process value will be read with minimum error For those process with bad circulation may use this parameter to compensate the temperature difference between sensor and the process PB TI TD Constants for PID Control Refer section 5 7 for an in depth description AHY1 Hysteresis Values of Alarm 1 These values define the dead bands for alarm action As the process value exceeds...

Page 9: ...or that parameter by using up key or down key Finally press and hold 3 2 seconds or longer now the new level value is entered If the level value is unchanged the above operation for entering can be omitted For example If ASP1 RAMP are configured as level 0 PB TI TD are configured as leve 1 and the other parameters are configured as level 3 the scrolling sequence of parameters will be as follows 5 ...

Page 10: ... is set parameters TI TD and CCT will have no effect on the system nor can the manual mode and the auto tune program be executed PV Time D action Perfect TD too high TD too low SP PV Time Time P action SP 100 0 100 0 Reverse Action Action CONA REVR CONA DIR Direct OUTPUT SP HYST 2 SP HYST 2 SV DB CPB SV DB Negative DB Positive 100 0 Cooling Output PV C or F P T SV PV Time PV Time P action Perfect ...

Page 11: ...le to be used An error message will be shown in the display The manual control is used during Teaching the process The controller fails The manual control is an open loop control The process may rise to a dangerous value temperature Special attention to the process has to be given to prevent a system damage 5 13 RAMP DWELL The controller can be configured to act as either a fixed setpoint controll...

Page 12: ...is enabled by configuring the alarm 1 to act as a dwell timer If A1SF is set to time out on the alarm 1 relay will now operate as a timer contact with the contact being opened on initial start up The timer begins to count down once the setpoint temperature is reached After the setting at ASP1 has elapsed the alarm 1 relay closes The dwell function may be used to operate an external device such as ...

Page 13: ...ration procedure connect a thermocouple to terminal 13 and 14 observing polarity and select a correct INPT for the thermocouple Switch the power on and let the controller to be powered for at least 30 minutes If the controller does not measure a correct temperature for the thermocouple the following procedures may be employed to correct the error 1 Perform procedure 1 and 2 stated in calibration p...

Page 14: ...8 Control abnormal or operation incorrect Check and replace Read the operation procedure carefully Overflow error data out of range during execution of software program Wrong sensor or thermocouple type Wrong input mode selected Analog portion A D converter defective Replace sensor Check sensor or thermocouple type correct input selection Replace module Check for outside source of damage such as t...

Page 15: ...hermocouple type wrong input mode selected Analog portion of A D converter defective Check sensor or thermocouple type and if proper input mode was selected Replace related components or board Reversed input wiring of sensor Check and correct 7 No heat or output No heater power output incorrect output device used Output device defective Open fuse outside of the instrument Check output wiring and o...

Page 16: ...User s Manual FDC 2220 Process Temperature Controller 7524 West 98th Place Bridgeview IL 60455 Phone 888 751 5444 Fax 888 307 8014 ...

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