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JC Systems Model 620A

Reference Guide

This guide is a pictorial progression through the various display screens with basic

descriptions of each display field and brief definitions of each.

More detailed information on the JC Systems Model 620A manufactured by TMC

Services is also available in the Model 620A Manual.

Содержание 620A

Страница 1: ...ctorial progression through the various display screens with basic descriptions of each display field and brief definitions of each More detailed information on the JC Systems Model 620A manufactured...

Страница 2: ...lays CH1 CH2 SP Setpoint and status of first eight event outputs 1 8 Line 2 Displays CH1 CH2 PV Process value and status of next eight event outputs A H SP and PV are displayed in units configured for...

Страница 3: ...age of menus configurations editing calibration PID tuning etc In LCL_STP mode of the Home Run screen pushing Page Down accesses the Main Menu SEL Used to scroll through selections of a field on a pag...

Страница 4: ...Pg1 Main Guide screen Main Menu structure w o Item 4 details Power on screen Pg 2 Run screen Run infor screen 1 Pg3 Run info screen 2 Run info screen 3 Pg4 Alarms POP Range Deviation Pg5 Response to D...

Страница 5: ...se provide this information when contacting the factory regarding any issues with the Model 620A This information does not indicate the age of the instrument The firmware version may have been pevious...

Страница 6: ...CH2 Setpoint Events 1 8 Line 2 CH1 Process Value CH2 Process Value Events A H Line 4 Line 3 Prog Step Time Remaining in Step INTERFACE LCL Local Front Panel RMT Remote Ext Computer MODE RUN STP EOP D...

Страница 7: ...ote below Line 2 Line 3 Guarantee Soak CH1 Line 4 RUN INFO SCREEN 2 CH2 PID SET IN USE STAG1 SET 1 STAG2 SET 2 PAGE DOWN FOR RUN SCREEN 3 NOTE LOOP and CYCLE fields indicates the Loop or Cycle step ha...

Страница 8: ...e PID tuning section After the new span is entered return to the PID tuning section and enter the previously recorded PBAND value Do not change the PGAIN value It will automatically adjust to the prop...

Страница 9: ...mmer continues to run The alarm field display flashes and the alarm output TB1 7 goes low ALARM RESET ACTION AUTOMATIC If Stop during DEV is selected The Model 620A will automatically resume operation...

Страница 10: ...OWN to access the Main Menu MAIN MENU Selection Menus The menu of the 620A controller has 6 major selection screens In the next sections each of these major menu screens will be explained in detail Th...

Страница 11: ...e program from the selected program and step number Caution You MUST select a starting step with a Step Type of Ramp Soak Pushing RUN on any other step type will cause the 620A to freeze on that step...

Страница 12: ...Section 1 2 Change Current Values Page 1 Change current value screen pages 1 2 Page 2 Change current value definitions...

Страница 13: ...to navigate to the field to be modified The following parameters can be modified in the CHG_CUR_VAL selection Page 1 CH1 Setpoint and DEV CH2 Setpoint and DEV PROG STEP TIME Time remaining in the curr...

Страница 14: ...isplay in the setpoint display and immediately kill the controller outputs for that channel when the cursor is moved The next step will always be a ramp to the next programmed setpoint from the curren...

Страница 15: ...ber of steps available in memory of the original 200 Line 4 Guarantee Soak Value entered in controller units CH2 GS is not displayed in singel channel mode PAGE DOWN to page 2 Page 2 Ramp Soak Step Si...

Страница 16: ...h the desired event number or letter while in the appropriate Field to turn event On Off Event ON number or letter displayed Event OFF decimal displayed PAGE DOWN to page 1 of next step or PAGE UP pag...

Страница 17: ...e 1 of previous step PAGE DOWN to page 1 of next step GOTO STEP Unconditional jump Line 1 Displays GOTO selected Line 2 Select the Prog and Step to GOTO when this step is reached Unconditional jump ve...

Страница 18: ...e IN4 ON Photo isolated input 4 is true low when this step is reached p Or A selected event 1 8 or A H is programmed on for this ste Line 3 Displays current Prog Step PAGE UP to page 1 of previous ste...

Страница 19: ...ative Humidity using either wet bulb Dry Bulb or electronic sensors The Model 620A internally contains the tables for WB DB conversion and Temp compensation for the Vaisala HMM30 RH sensor to providin...

Страница 20: ...to step 6 Ramp range 85 35 120 C 120 2 ramp rate 60 minutes Step 6 Ramp Soak Soak at 35 for 2 hours Step 7 Ramp Soak Ramp from 35 C to 25 C in 30 min and wait until for the process temp to be within...

Страница 21: ......

Страница 22: ...select Item 4 Push 4 Section 4 CONFIG TUNE CALIBRATE 4 1 CONFIGURE PROGRAMMER 4 2 CONFIGURE CONTROLLERS 4 3 CALIBRATE INPUTS 4 4 CALIBRATE OUTPUTS Push 1 for CONFIG PROGRAMMER 2 for CONFIGURE CONTROL...

Страница 23: ...IT ODD 7 BIT MARK 7 BIT SPEC Factory Defaults 9600 Baud 8 BIT NONE 488 MODE IEEE 488 Select END OF LINE LF or CR LF Factory Default LF Page 2 CONFIGURE PROGRAMMER Line 1 Display Only Line 2 Select TWO...

Страница 24: ...rn off NOTE If the CH1 Limit is assigned to CH2 both channels MUST be configured for the same units Page 4 CH2 LIMITS Line 1 Display only Line 2 Select CH2 limit assignment CH2 PROCESS CH1 PROCESS CH1...

Страница 25: ...2 Deviation Line 1 Display only Line 2 Select action during CH2 DEV alarm PROGRAM RUNS or PROGRAM STOPS Line 3 Display only Line 4 Select CH2 alarm reset action AUTOMATICALLY or MANUALLY Page 7 Progra...

Страница 26: ...PROGRAM selected Line 3 Select Prog and Step to run Line 4 Blank Program 98 step 1 is immediately executed upon a low input signal to Input 8 Page 8B Line 1 Display only Line 2 DISABELE CONTROLLER se...

Страница 27: ...RREJT VALUE selected Line 3 CH1 TRIP VALUE select Line 4 CH2 TRIP VALUE select When power is restored operation will continue as stated above Unless one of the SP vs PV trip points are exceeded In thi...

Страница 28: ...and included in the calculation for direct RH Line 1 2 Display only Line 3 Display only Line 4 Enter elevation from sea level in feet Page 11 VIEWING ANGLE BACKLITE and PROGRAMMER TIME BASE Line 1 2 T...

Страница 29: ...h ENTER The unit goes to the Selection 4 menu screen With the code enabled Whenever Selection 4 is made from the Main Menu the screen below 12B will appear Enter the correct 4 digit code to access sel...

Страница 30: ...R S E B RTD alpha 385 LINEAR MV LINEAR MA LINE 4 Use numeric keypad to enter MAX and MIN Span Setpoints limits Page 3 Loop 1 is assigned in the CH1 config and Loop 2 is assigned in the CH2 config Line...

Страница 31: ...hannels have MTO values when one timer runs out the unit looks at the other If they are both at zero the output is disabled If the second channel is still running it will keep the MTO enabled until it...

Страница 32: ...set in the controller configuration action 0 00 to 99 99 sec e Max error for reset action value for de integration and reduce over integration and setting following the last page of CH1 set 2 CH2 set...

Страница 33: ...ine 2 Use only on very fast rate of change chambers When the PV exceeds the SP by the ID_Band value Clips the controllers s integ Line 3 Rate D reduces the output power based o the rate of change of t...

Страница 34: ...rammer mode Manual Output Mode This special function allows the user to set a fixed controller output The output is available on one screen only Leaving the output screen returns the controller channe...

Страница 35: ...2 CH1 process value CH2 process value and Event status A H Line 3 CH1 Manual mode CH1 Dev alarm value See definition of DEV alarm and operation Line 4 Blank in this mode In two channel mode Programme...

Страница 36: ...arrow keys In Two channel mode both channels must be in Manual to manipulate the event outputs HOME SCREEN in Manual Mode If either channel is left in the Manual Mode the letter m will be displayed i...

Страница 37: ...Manual Mode screen select one or both controller channels for Manual CH1 selected for Manual 2 Push Page Down The CH1 and CH2 fields will change to C 1 and C 2 3 Position the cursor over the desired c...

Страница 38: ...5 Both Loop 1 and Loop 2 have five output selections Reverse INC Direct DEC 12MA Null Setpoint retransmit and Process retransmit Loop1 has an additional output DUAL used only when the optional A2336...

Страница 39: ...advance to the next screen and turn on the Delsyed Start function Page 2 Data Entry screen Line 1 On Off Line 2 instructions Line 3 Enter Prog step and delay start time in HH MM SS Line 4 instruction...

Страница 40: ...Event ouputs are latched at the last active values Note These values are not the programmed values Anytime during the delay start countdown the Delay Start page can be accessed to review the time rema...

Страница 41: ...DOWN ARROW Moves cursor to MODE EXT_COMPUTER Push SEL button Twice To FRONT PANEL Push RESET button To the standard run screen in LCL mode You are now in the LCL Front Panel mode of operation All func...

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