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Series 1500
ACTUAL
ADJUST
Ramping and Profiling
Microprocessor-Based
Control
User's Manual
Watlow Controls, Inc: 1241 Bundy Blvd., Winona, MN 55987 507/454-5300, Fax: 507/452-4507
W150-MA30-9043 $10.00
October, 1990 Made in the U.S.A.
Supersedes:
W150-MA20-8843
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How to Use the Manual Use The Manual This manual will make your job easier. Reading it and applying the information is a good First... way to become familiar with the Series 1500. Here's an overview. Introduction, Chapter 1, Page 4. Starting Out Sample Program A Sample Program in Action, Chapter 2, Page 16. Installation and Wiring, Chapter 3, page 26. Install/Wire Technical Reference, Chapter 4, Page 40. Programming Calibration Appendix Specification Ordering Information Technical Service Glos
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Page Item Contents 4 Starting Out with the Series 1500 -Chapter 1 4 General Description 5 Opening the 1500 59 Restarting a Program 6 Setting the DIP Switches 59 Remote Hold Input 7 Quick Wire 60 Data Communications 9 Overview of the 1500 Modes 60 Communication Parameters 10 Reading the Displays and Keys 60 Protocol 12 Overview of the Software 60 Command Rules & Words 61 Syntax 16 Learning the Series 1500: A Sample Program 73 Data Communication Error Codes in Action - Chapter 2 74 Troubleshooti
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Starting Out Chapter 1 Starting Out with the Watlow Series 1500 "Read Me First." Congratulations, you're about to become a fully-qualified user of the Watlow Series 1500! It is a versatile microprocessor-based control; powerful, yet simple to learn. In this chapter of the user's manual, you'll get an overview of the 1500 and its software. You'll "light" the displays and get a feel for moving through the control functions. Figure 1 is a simplified view of the 1500's capabilities. The control h
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Starting Out control because it will move from one process variable to another in a uniform manner. Operator-friendly features include automatic "prompts," or entry codes, to assist you in programming and monitoring. The Series 1500 has other display codes to indicate a variety of alarm conditions about your process. The 1500 also has a "Jump Loop" option for repeating program steps or segments. A "Wait For" option makes this control responsive to particular process conditions, an external
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Starting Out How to Set the DIP Switches The Watlow Series 1500 has a set of Dual In-Line Package (DIP) switches on circuit board, A007-1318. The location of the board and switches appear in Figure 2. The switches are clearly numbered; the "ON" direction is indicated by an arrow. Look at the DIP switches from the bottom of the control. You'll see them as they appear below. ! ! CAUTION: Power must be interrupted before a change in DIP A007-1318 Switch will take Board effect. DIP Switches F
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Starting Out Quick Wire º You may "power up " the Series 1500 with the following operational check-out. This WARNING: procedure also prepares you for the Sample Program in Chapter 2. Or, you may skip To avoid potential this section and the sample program, and go directly to Chapter 3, Installation and electric shock use Wiring. National Electric Code safety prac- tices when wiring and when connect- ing this unit to a º power source and to electrical sensors or peripheral devices. 1. Put the 15
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Starting Out 3. If you did not set DIP Switch #6 in the "ON" position before, do that now: Disconnect power from the unit. Open the 1500, set DIP Switch #6 to ON for a Cold Start. Replace the control chassis in the enclosure. Reapply power to the unit. (This clears all previously entered information from the 1500; it is a "clean" or "cold" start). 4. Now remove power again, open the unit, and set Switch #6 to OFF. (This will make the next start a "warm" one, retaining all subsequently enter
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Starting Out Overview of the Three Operating Modes Before getting into the details of the Series 1500's keys and displays, take a look at Figure 5, showing the three different modes. After you feel comfortable with the names of the modes and their functions, go ahead to learn the keys and displays. Series 1500: Four Mode Types Series 1500: Three Mode Types Monitor Data Mode Monitor Data Mode (MNTR DATA) (MNTR DATA) Generate a Set a non-ramping non-ramping (fixed) (fixed) set point and Exami
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Starting Out How to Read the Displays and Use the Keys Here's an understanding of the Series 1500 displays, keys and LEDs. Use Figure 6 to locate the keys, LEDs and displays described here. Try everything! You'll learn quickly how the 1500 works. The detailed overviews in the next section will further your knowledge. Figure 6 - Series 1500 Front Panel Components CH-2 EVENT LEDs: Indicates the status of each Channel 2 Event Output with one of four CH SEL key: CHANNEL ACTUAL display: Shows t
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Figure 6 (Con't) - Series 1500 Front Panel Starting Out Components PROG HALT LED: PROGRAM HALT--When lit, indicates that the processor is in the HALT condition. A RUN/HALT key press, or a "Blank Step" in the program causes a PROG END LED: PROGRAM END-- HALT. When flashing, indicates that the processor is in Indicates that the processor has "Remote-Hold" condition. See RUN/HALT key. reached the end of the program. CLEAR (erase) key: RUN/HALT key: Starts or stops the program. The a. Clears
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Starting Out Now that you have a good idea how the 1500's front panel works, look again at the operating modes. This time take a more detailed look. Overview of the Mode Software Again, the Series 1500 has three Operating Modes: Monitor Data, Change Data and Change Parameter. These modes change with the MODE key. They make up the basic software routines that run the Series 1500. Each mode has sub-routines and different prompts that appear in the FUNCTION display whenever you press the FCTN
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Starting Out Monitor Data Mode (MNTR DATA): Figure 7 - Monitoring a Halted Program Monitor Data (MNTR DATA) You may look at any step, but must Mode Overview be in the CHG DATA mode to change the step number. You'll see: • Step type. • Ch-1 and Ch-2 set points. • Auxiliary outputs programming. • Step duration. Monitoring a Running Program You may look at the current step. You'll see: • Ch-1 and Ch-2 current set points. • Auxiliaries programmed ON or OFF. • Time remaining. Set a Non-Rampi
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Starting Out Change Data Mode (CHG DATA): Figure 8 - Change Data (CHG DATA) Mode Three Step Types for Entering Program Data Overview Set Point (SP): Jump Loop (JL): Wait for…(WT): a simple, a means for a means to regular profile jumping to wait for a step. a step out of particular numerical condition or sequence. time. Set Point Step, Jump Loop Step, Wait for Step, Program: Program: Program: This Step# This Step# This Step# is an SP is a JL is a WT step. step. step. Set Point Jump to Wait for
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Starting Out Change Parameter Mode (CHG PARA) For Entering System-Wide Parameters Figure 9 - Change Parameter (CHG PARA) Mode Overview Program Real Time Then proceed to one of three "Guarded Access" areas – code-protected system setup parameters. Program These Program These Program These Parameters: Parameters: Parameters: Set Ch-1 & Ch-2 Set Recycle Option Set up Ch-1 and alarm type and Ch-2 high and low (program repeat). high/low points. ranges. Set up Ch-1 PID Leave "Guarded parameters and Se
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Sample Program Chapter 2 Learning the Series 1500 — A Sample Program in Action This chapter will guide you through an easy sample program for the Series 1500. You can quickly grasp the necessary terms and concepts by entering and observing this exercise. If you feel that your knowledge of programmable controllers does not require a sample program to learn the Series 1500, feel free to skip this chapter. In the Technical Reference section (Chapter 4), you will find details on all material here.
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Sample Program Perform Steps 4-6 Th Chart 1 - Series 1500 Temp/ Step 1 Step 2 Sample Program Step 4 Step 5 Step 3 %RH Chart (Wait) 90% RH 74% RH Temp/ Step 1 Step 2 Step 4 Step 5 Step 3 %RH (Wait) 90% RH 74% RH * 400°F 50%RH 275°F Setting Event Outputs To make the pie process even more automated, you have your toppings — sugar, cinnamon and nutmeg—connected to solenoid dispensers controlled by the 1500's Table 2 - "Event Outputs." As you enter the sample program, you'll set the Event Outputs
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Sample Program Before you begin entering the program, notice three small lights (LEDs) on the bottom half of the 1500's front panel. They are labeled "MNTR DATA" (Monitor Data), "CHG DATA" (Change Data), and "CHG PARA" (Change Parameters). Press the MODE key to move through these three modes as you read about each one. Another LED, labeled "TIME" indicates when time is being displayed. "MNTR DATA": While a program is running, you'll want to observe what's happen- ing. Some items can be obser
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4. Press the ENTER key: the display will flash, then it will change to “MN.” 5. Use the UP/DOWN keys to place the correct value for minutes into the Data Display; then press ENTER. 6. The display will show “SC” (seconds): again use the UP/DOWN keys to place seconds into the display and then press ENTER. 7. Press the FCTN key several times until the TlME LED is lit (along with the CHG PARA LED). You should now see the correct real time on the display, with the seconds counting up. Set the Recycle
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Sample Program 4. We suggest that you enter a time one hour from right now. Changing this time later is a simple matter. You go to the CHG DATA mode with "WH" displayed and then enter the new time. Select hours (0 to 23) and press ENTER. 5. Also enter the "WM" (minutes) and "WS" (seconds). Select minutes, press ENTER. Wait a moment for the display to change, then select seconds and press ENTER. 6. You have completed entering Step #1 as a "Wait Step." The display should now read "01 NX 0002.
