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Summary of Contents for Despatch Watlow 1500 Control
- Page 1 P/N 260786 Rev. 8/96 E-87 U.S. $45.00 Instruction Manual for the Despatch/Watlow 1500 Control...
- Page 2 We believe that you have selected the finest equipment available in the heat processing industry. At Despatch, our service does not end after the purchase and delivery of our equipment. For this reason we have created the Service Products Division within Despatch. The Service Products Division features our Response Center for customer service.
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Page 3: Preface
PREFACE This manual is your guide to the Watlow 1500 control. It is organized to give you the information you need quickly and easily. The INTRODUCTION section provides an overview of the control. The THEORY OF OPERATION section details the function NOTE: and operation of the control. - Page 4 Page ii Despatch/Watlow 1500 Control Instruction Manual...
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Page 5: Table Of Contents
Watlow 1500 Control ........ - Page 6 Table 9 Despatch Sample Program ........
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Page 7: Introduction
In this application the controller has been factory CAUTION: configured to control temperature and humidity conditions Before making changes to in your Despatch chamber. Under normal conditions, you your control, consult with should not have to reprogram this controller. We have, Despatch Industries Product however, included reprogramming instructions in this Service at 1-800-473-7373. - Page 8 Page 2 Despatch/Watlow 1500 Control Instruction Manual...
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Page 9: Instructions
ACTUAL display located at the top of the control. Service at 1-800-473-7373. Press the SEL key to toggle between temperature and humidity. Temperature will be displayed on Channel 1. Humidity will be displayed on Channel 2. Despatch/Watlow 1500 Control Instruction Manual Page 3... -
Page 10: Watlow 1500 Control
Describes the function or type of data being displayed in the data display. Data Shows current value for the function being viewed. This display is effected by the scroll up and down keys. Page 4 Despatch/Watlow 1500 Control Instruction Manual... -
Page 11: Table 2 Watlow 1500 Keys
Indicates the processor is in the change data mode. CHG DATA Indicates the processor is in the change parameter mode. CHG PARA Indicates that the FUNCTION and DATA displays are showing time. TIME Despatch/Watlow 1500 Control Instruction Manual Page 5... -
Page 12: Manual Set Point Controller
LED near the Watlow 1500 should be on. If the set point in the DATA display is lower than the value in the ACTUAL display for CH-1, then the cool LED should be on. Page 6 Despatch/Watlow 1500 Control Instruction Manual... - Page 13 Press the FCTN key. E1 is displayed. b. Turn the auxiliary event on or off. 1 = on 0 = off Try varying set points and events and watch how each effects the output LEDs. Despatch/Watlow 1500 Control Instruction Manual Page 7...
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Page 14: Guarded Access Programming
2. Select a GA code with the key and the key. 3. Press ENTER. The prompt appears in the DATA display. 4. Press the FCTN key. The next prompt in the loop appears in the DATA display. Page 8 Despatch/Watlow 1500 Control Instruction Manual... -
Page 15: Setting The Clock
Press ENTER to enter the hour into the program. The prompt MN will appear when you press ENTER. c. Select correct minutes and seconds. After setting the real time the FUNCTION prompt should display a GA. This is guarded access. Despatch/Watlow 1500 Control Instruction Manual Page 9... -
Page 16: Ga0001 And 0002 Pid Tuning
If you do not want this alarm, set to highest Alarm value. Lower Deviation Type If you do not want this alarm, set to lowest value. Alarm Sequence repeats for Channel 2 and then leaves the guarded area, returning to real time. Page 10 Despatch/Watlow 1500 Control Instruction Manual... -
Page 17: Ga0006 Setting Options
This prompt appears only on units with data 1500 communications. It applies only for an RS-422 interface. Each device on the net- work must have its own address. Sequence then leaves the guarded area, returning to real time. Despatch/Watlow 1500 Control Instruction Manual Page 11... -
Page 18: Ecosphere/16000 Series Guarded Access Chart
Ch-1 Lower Set Point Limit Ch-2 Upper Set Point Limit Ch-2 Lower Set Point Limit Recycle: ON = 1, OFF = 0 T-RH = 0000, T-T = 0001 Address number RS-422 Keyboard Lock Page 12 Despatch/Watlow 1500 Control Instruction Manual... -
Page 19: Lpb Series Guarded Access Chart
Ch-1 Upper Set Point Limit Ch-1 Lower Set Point Limit Ch-2 Upper Set Point Limit Ch-2 Lower Set Point Limit Recycle: ON = 1, OFF = 0 T-RH = 0000, T-T = 0001 Address number RS-422 Despatch/Watlow 1500 Control Instruction Manual Page 13... -
Page 20: Profile Mode
If you do not want the hot or humid conditions to be retained at the end of a programmed halt, add a step just before the Blank Step [End of Program] to establish stand-by set points near ambient with all Event Outputs OFF. Page 14 Despatch/Watlow 1500 Control Instruction Manual... -
Page 21: Blank Step
To clear a step: 1. Place the controller in halt by pressing the RUN/HALT key until RUN/HALT LED is lit. 2. Place the controller in the desired step to be cleared. 3. Press the CLEAR pushbutton. Despatch/Watlow 1500 Control Instruction Manual Page 15... -
Page 22: Creating Files/Profiles
DATA display. Use the FCTN key to advance to the next prompt without entering a value. b. Press the ENTER key to enter the value in the DATA display as the new set point. Page 16 Despatch/Watlow 1500 Control Instruction Manual... - Page 23 JC-Jump Count parameter. Use the FCTN key to advance to the next prompt without entering a value. d. Press the ENTER key. WT appears in the FUNCTION display. Despatch/Watlow 1500 Control Instruction Manual Page 17...
- Page 24 Repeat steps 3b and 3c for: • WE (Wait for Event) • WH (Wit for Real Hours) • WM (Wait for Real Minutes) • WS (Wait for Real Seconds) Select actual time-of-day values for each. Page 18 Despatch/Watlow 1500 Control Instruction Manual...
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Page 25: Table 7 Set Point Step Programming Detail
To display the next prompt in sequence, press ENTER. To display a different step: > Enter that step number with the keys. Press ENTER. The Watlow 1500 will return to the SP, JL, WT, NX loop. The process begins over again. Despatch/Watlow 1500 Control Instruction Manual Page 19... -
Page 26: Wait Steps
To establish new set point values, place a short (1 second) step containing the conditions you wish to achieve immediately before the Wait Step. Page 20 Despatch/Watlow 1500 Control Instruction Manual... -
Page 27: Next Step
However, if your Step #1 is programmed as a Wait Step, the processor will be waiting for a time or actual condition and no action will be taking place. Despatch/Watlow 1500 Control Instruction Manual Page 21... -
Page 28: Write Your Program
We suggest that you write it out on copies of the charts in this section. This will enable you to program the Series 1500 quickly and without mistakes. This Programming Chart will provide you with a back-up copy of your entire program. Page 22 Despatch/Watlow 1500 Control Instruction Manual... -
Page 29: Worksheets
WORKSHEETS Programming Work Sheet Name Date Set Point Events Duration CH-1 CH-2 1 = ON 0 = OFF Step C or % or 4321 4321 Comments Despatch/Watlow 1500 Control Instruction Manual Page 23... -
Page 30: Sample Hast Profile For Lpb Chambers
W1(40) Waits for typical safe unloading temperature. 0000 0000 Test complete light on (all EV's off). Note: --'s in above sample indicate parameter is left blank. Blank is not the same as zero. Page 24 Despatch/Watlow 1500 Control Instruction Manual... -
Page 31: Procedure For Programming Hast Profile
WT appears (if S1 is displayed, press “CLEAR” and it will read SP), press enter. Press FCTN until W3 is displayed, use arrow keys to 0001, press enter Press FCTN until NX is displayed, use arrow keys to 0003, press enter Despatch/Watlow 1500 Control Instruction Manual Page 25... - Page 32 12. At Step 6 the display will read 06 SP, press FCTN until WT appears, press enter. Press FCTN until W4 is displayed, use arrow keys to 099.5, press enter Press FCTN until NX is displayed, use arrow keys to 0007, press enter Page 26 Despatch/Watlow 1500 Control Instruction Manual...
- Page 33 JS is displayed, use arrow keys to 0010, press enter JC is displayed, use arrow key to 0001, press enter Press FCTN until NX is displayed, use arrow key to 0010, press enter Despatch/Watlow 1500 Control Instruction Manual Page 27...
- Page 34 MN is displayed, use arrow keys to 30, press enter SC is displayed, use arrow keys to 00, press enter TIME is displayed NX is displayed, use arrow keys to 0013, press enter Page 28 Despatch/Watlow 1500 Control Instruction Manual...
- Page 35 MN is displayed, use arrow keys to 00, press enter SC is displayed, use arrow keys to 05, press enter TIME is displayed NX is displayed, use arrow keys to 0048, press enter Despatch/Watlow 1500 Control Instruction Manual Page 29...
- Page 36 SC is displayed, use arrow keys to 05, press enter TIME is displayed NX is displayed, use arrow keys to 0001, press enter 27. Press mode key to jump out of guarded access. Page 30 Despatch/Watlow 1500 Control Instruction Manual...
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Page 37: Hast Chamber Programming Instructions And Definitions
2 = Wait for Relative Humidity 3 = Wait for Water Level 4 = Wait for Water Temperature = Jump Loop = Jump to Step JC = Number of Times to Perform Jump NX = Next Programming Step Despatch/Watlow 1500 Control Instruction Manual Page 31... -
Page 38: Ecosphere Sample Program
This is a jump to Step #2. Steps 2-8 will be repeated. Set points are changed to 25 C and 60%, a normal condition, before program is ended. Is a blank step (SP when viewed in CHG DATA mode). Program execution will end here. Page 32 Despatch/Watlow 1500 Control Instruction Manual... -
Page 39: Ecosphere Sample Profile Worksheet
SP = Blank step. End of program. NOTE: --'s indicate blanks, which are not the same as 00's. To get blank in data display, press the FCTN key instead of the ENTER key. Despatch/Watlow 1500 Control Instruction Manual Page 33... -
Page 40: Clearing A Program
Press MODE key until CHG PARA LED lights. Press FCTN key until GA shows in FUNCTION display. > Press the key until DATA display shows 0006. Press ENTER key. Press the CLEAR key. Press the RESTART key. Page 34 Despatch/Watlow 1500 Control Instruction Manual... -
Page 41: Tuning/Programming Worksheet
Ch-1 Lower Set Point Limit Ch-2 Upper Set Point Limit Ch-2 Lower Set Point Limit Recycle: ON = 1, OFF = 0 T-RH = 0000, T-T = 0001 Address number RS-422 Keyboard Lock Despatch/Watlow 1500 Control Instruction Manual Page 35... -
Page 42: Warm/Cold Start
“Warm” start, otherwise the control will return to the default settings after each power loss. DIP Switch #6 determines a warm or cold start. Your controller leaves the factory programmed for a warm start. Figure 2 DIP Switch Location and Orientation Page 36 Despatch/Watlow 1500 Control Instruction Manual... -
Page 43: Changing The Position Of A Switch
Return the control chassis to the case. Be sure you have it oriented correctly. It will not fit in upside down, but check just the same. Press firmly, but gently, to seat the chassis. Despatch/Watlow 1500 Control Instruction Manual Page 37...
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