Watlow 12LS Controller Manual do Utilizador

ANAFAZE 12LSInstallation And Operation ManualRevision 3August 1, 1991Copyright (c) 1990Watlow Anafaze, Incorporated334 Westridge DrWatsonville, CA 950

1-3Guided Menus Simplify SetupThe ANAFAZE 12LS directs operator and supervisor changes with guided menus. Two levels areprovided: one for operator ch

7-2If the address is not changed the unit will probably have the default address 1. If the addressmust be changed on line, ANASOFT will indicate comm

7-3If ANASOFT runs then the next step is to establish communications with the 12LS. On start upANASOFT checks communication with the controller. If

8-18.0 SOFTWARE COMMAND STRUCTUREThe 12LS will respond to commands according to the following format. The commandsgenerally follow the specifications

8-2 Data Boundary ErrorThis Error Code is returned when: - A Read command attempts to read beyond the 32 byte boundary of byte-size vari

8-3. Input TypesThe following one byte codes designate the various input types accepted by the 12LS: Code Input Type

8-4The following examples show the output code for specific output types: Output Configuration Hex Code-------------

G-19.0 GLOSSARY OF TERMSAddress The ANAFAZE controller address used in computercommunications. Each controller must have aseparate address b

G-2Cycle Time The time base for the time proportioning outputsentered in seconds. For example with a 10 secondcycle time, and 30% output, the outpu

G-3Scaling Enter two values of unscaled process readings RDGand their corresponding scaled process values PV.Try to have as near as possible to

1-4Digital Inputs and Outputs Expand VersatilityDigital inputs and outputs are provided to further enhance the ANAFAZE 12LS flexibility. Digitaloutpu

Congratulations! You have obtained one of the fineproducts from the ANAFAZE Incorporated line of qualityMeasurement and Control

2-12.0 SPECIFICATIONS2.1 Analog InputsAnalog Inputs 12, Solid state, common ground.Isolation: Between inputs and ground: 10v

2-22.2 Control CapabilityNumber of Loops: 12, Dual Output.Control Outputs: Cycle Time Proportioning, Distributed Zero Crossing, or On/Off;all

2-3Power input: 10 to 30VDC, 3 Watts typical, 110VAC adapter provided.

3-13.0 INSTALLATIONThere are some precautions that must be observed when installing ANAFAZE 12LS. WARNING! -- ELECTRICAL SHOCK DANGER It

3-23.1.1 MOUNTINGFor optimum performance when directly connecting thermocouple inputs the unit should beprotected from thermal shocks whenever possi

3-3 1/8th DIN HOUSING

3-43.1.2 EXTERNAL WIRINGDuring wiring, it is recommended that the 12LS electronics be removed or temporary covers be put over the housingslots to ensu

3-54. Use Thermocouple Extension Wire for all thermocouple (T/C) inputs. Most T/C Ext. Wire is solid wireunshielded. When using such, the shield

iiSTATEMENT OF WARRANTYANAFAZE, Incorporated warrants that the Products furnished under this Agreement will be freefrom material defects in material a

3-63.1.4 RECOMMENDED CABLES P/NUse these cables or equivalent. |--------------------------------------------------------------| ¦ FUNCTION

3-73. Separate the 120 vac power leads from the low level input and outputs leads from the ANAFAZE. Do not run thedigital outputs or PID control outpu

3-83.2 TERMINAL BLOCK AND CONNECTOR LAYOUTThe ANAFAZE 12LS terminal blocks and connectors are assigned according to the following two pages. Subseque

3-9 REMOTE TERMINAL BLOCK CONNECTIONSThe remote terminal block (RTB) provides the control outputs and additional digital inputs and out

3-103.3 ANALOG INPUTSConnecting analog signals to the ANAFAZE 12LS is normally straightforward. Most thermocouples can be directlyconnected and mixed

3-113.3.5 INPUT SCALINGThe ANAFAZE 12LS contains an area that can be used to install resistors to scale input voltages and convert milliampinputs to m

3-123.3.6 VOLTAGE INPUTSDC Voltage inputs should be connected with the positive side to the CH +IN terminal and the negative side to one ofthe -IN COM

3-13 WARNINGUse of the grounded T/C, meaning that the T/C junction is at the same potential of the metal protection sheath

3-14If desired, a second input may be used to monitor the internal IRSM ambient temperature. Consult ANAFAZE formore information.3.3.11 SCALING AND CA

3-153.4.1 PID CONTROL AND ALARM OUTPUTS CONNECTIONSTypical digital control outputs utilize external optically- isolated solid-state relays. These rel

iiiWARNINGANAFAZE HAS MADE EFFORTS TO ENSURE THE RELIABILITY AND SAFETY OFTHE 12LS AND PROVIDE RECOMMENDATIONS FOR ITS SAFE USE IN SYSTEMSAPPLICATIONS

3-163.5 COMPUTER SERIAL COMMUNICATIONSThe ANAFAZE 12LS offers two types of serial communications: RS- 232 and RS-485. The RS-232 is used primarilyfor

3-173.5.3 RS-485 DESCRIPTIONThe EIA Standard RS-485 specifies only the electrical characteristics of generators (transmitters) and receivers for usein

3-183.5.3.2 RS-485 CONNECTIONSConnection of ANAFAZE controllers to a system computer requires an interface at the computer to convert RS-232levels to

3-19ANAFAZE 12LS connections for a single unit are as follows:Black Box 12LSLD485A

4-14.0 FRONT PANEL OPERATION AND DISPLAYSThe 12LS front panel provides the operator interface for the controller. The 12LS may be fullyprogrammed and

4-2 |- - - - - - - - - - - - - -|

4-34.1 FRONT PANEL KEYSThe four main function keys on the front panel are used to perform specific operations : |-----| o Adjust the setpoint on

4-44.2 DISPLAYSOn power-up the controller defaults to the BAR GRAPH display which shows the status of all 12 loops.From there the user may switch to t

4-54.2.2 SINGLE LOOP DISPLAYThe SINGLE LOOP Display shows the detailed information for one loop at a time. The UP/DOWN arrows select theloop number.

4-6|--------------------------------------------------------------|¦ Table 4-1. LOOP STATUS DEFINITIONS ¦|------------------

ivANAFAZE 12LSTABLE OF CONTENTS1.0 INTRODUCTION...

4-74.2.4 ALARM DISPLAYThe ALARM display interrupts any system display. If more than one alarm is present the first alarm is shown. |-----------

4-84.3 GENERAL PROGRAMMING AND EDITINGIn general, the 12LS menu structure consists of several main menus each having a group of sub-menus beneath them

4-94.4 OPERATIONAL MENUSAll changes must start from the SINGLE LOOP display. The following changes can be made by pressing theassociated front panel k

4-104.4.2 SET LOOP TO MANUAL/AUTOTo toggle the current mode from MANUAL to AUTO or from AUTO to MANUAL, press this key : |----|

4-114.5 SETUP MENUSTo change any other of the controller settings select the loop desired and from the SINGLE LOOP display enter thepassword key seque

4-12LOOP SETUP DATA|--------------------------------------------------------------|¦Date _________ ¦¦

4-13 |-----------------------------------------------------| ¦ NOTE: Unless otherwise specified, in all examples ¦ ¦of menu displays in

4-14The menu appears as: |----------------| ¦SAVE CURRENT ¦ ¦SETUP TO JOB ? x¦ |-----------

4-15Press ENTER to store the new alarm delay setting or press BACK to return to the SETUP GLOBAL PARAMETERSmain menu heading.4.5.1.4 SETTING THE GLOBA

4-164.5.1.6 POWER UP OUTPUT STATUSThis menu is used to configure the initial power-up state of the control outputs. The controller will either initial

v4.4 OPERATIONAL MENUS...4-94.4.1 CHANGE SETPOINT...

4-174.5.1.8 COMMUNICATION ERROR CHECKING METHODThis menu is used to select the checksum algorithm used in the ANAFAZE communications protocol. Either

4-18Press YES to select the menu or NO to advance to the next menu.Press UP and DOWN to toggle the selection between 9600 and 2400.Press ENTER to stor

4-194.5.2 SETUP LOOP INPUTPress YES at this prompt to access menus to change parameters related to the channel input including : o Input typ

4-20The display appears as : |----------------| ¦LL INPUT ¦ ¦ UNITS ? xxx ¦ |-------

4-21The display for the high process variable will appear as : |----------------| ¦LL INPUT SCALING¦ ¦HIGH P

4-22The low input reading is referenced to 60mV and is calculated using this equation: (see section 3.3.6) (Sensor

4-23When the PV readout is reading below the true known PV level, add that amount to the High and Low PV scaling.When the PV readout is reading above

4-244.5.3.1 PROPORTIONAL BANDThe first selection for each output allows programming of the proportional band. The display bottom line appears as :

4-254.5.3.4 OUTPUT FILTERThis menu allows allows programming of the output filter. The output filter causes the controller to average multipleoutput c

4-26 |-----------------------------------------------------| ¦ NOTE: If the channel is operating as a single output¦ ¦loop (ref. 4.5.3) al

vi6.0 SOFTWARE ...6-16.1 ANASO

4-274.5.4.2 CYCLE TIMEIf Time Proportioning is selected as the output type the controller will prompt the user for a cycle time. The lowerdisplay will

4-28Press UP and DOWN to set the maximum output power percentage from 0 t 100%.Press ENTER to store the output limit or BACK to return to the SETUP L

4-294.5.5.1 HIGH PROCESS ALARM SETPOINTThis menu is used to set the point within the scaled sensor range at which the high process alarm is activated.

4-304.5.5.4 DEVIATION BAND ALARMThis menu is used to set the deadband alarm value. The deviation alarm is a plus and minus alarm that is alwaysrelativ

4-31Press ENTER to store the output assignment or press BACK to return to the SETUP LOOP ALARMS main menuprompt.4.5.5.7 LOW DEVIATION ALARM OUTPUT ASS

4-32Press ENTER to store the status or press BACK to return to the SETUP LOOP ALARMS main menu prompt.4.5.5.10 LOW PROCESS ALARM OUTPUT ASSIGNMENTThis

4-334.5.6.1 DIGITAL INPUT TESTINGThis is a view-only display showing the logic state of the 8 digital inputs as 1's (High) or 0's (Low). The

4-344.6 RAMP AND SOAK OPTIONThe ramp and soak option turns the 12LS into a powerful batch controller. Along with the powercomes a certain amount of c

4-354.6.1 DESCRIPTIONA ramp / soak profile consists of several groups of parameters: those global to the profile as a unit,those defined as the "

4-36+-------------------------------------------------------------+¦ PARAMETERS SPECIFIC TO EACH SEGMENT ¦|-------------------

vii

4-37This function may be enabled or disabled per segment via the tolerance parameter. If tolerance isOFF no guarantee of setpoint is made and the tole

4-384.6.3 PROFILE STATUS DISPLAYWhether in the TIME display, the CYCLE COUNT display or the PROFILE OPERATION menu,the upper line of the display will

4-39Use the UP and DOWN keys to change the profile letter. Profile assignment may be 'A' to 'L' forone of the twelve ramp and soak

4-40An example display follows: |----------------| ¦05 A SEG01/07 R ¦ ¦TIME LEFT= 34:28¦ |----

4-41|--------------------------------------------------------------|¦ TABLE 4-2 Ramp / Soak Operations ¦|-----------------

4-42 |----------------------------------------------------| ¦ NOTE: When leaving ramp and soak mode the loop is ¦ ¦ placed in MANUAL mode and the

4-43 PROFILE SETUP GUIDE

4-44 PROFILE SETUP GUIDE

4-45 |-----------------------------------------------------| ¦ NOTE: For RAMP AND SOAK option, if the loop is run- ¦ ¦ ning a ramp and soak profile, f

4-46UP/DOWN Select a profile designator [A-L].

1-11.0 INTRODUCTIONThe ANAFAZE 12LS is a powerful 1/8th DIN controller that delivers 12 fully independent loopsof PID control. It functions as both

4-47ENTER Open the selected profile for editing. The display advances to theCopy Profile Menu. BACK Return to SETUP R

4-48When any segment is out of tolerance for a period greater than the Tolerance Time entered, atolerance alarm is generated. A tolerance alarm activa

4-49 ENTER Store new ready state setpoint. Display will advance to Edit Ready EventStates. BACK Return to

4-504.7.6 EDIT EXTERNAL RESETFrom this menu one of the eight digital inputs will be selected to provide an input for a externalreset of this profile w

4-51 NO Select the default segment for editing. Display advances to Edit SegmentTime. BACK Return t

4-52YES Change current setpoint setting. Lower display SP =xxxx UP/DOWN Changes setpoint value. ENTER

4-53YES Change the output assigned to this event. Lower display DOUT= xx UP/DOWN Select output number. [1-30, NO].

4-544.7.13 EDIT SEGMENT TRIGGERSUse this menu to edit the trigger input assignments, their active states and their latching status forthe current segm

4-55 YES Edit input number assigned to this trigger. Lower display DIN = xx UP/DOWN Select input nu

4-564.7.16 EDIT TRIGGER LATCH STATUS |--------------|Display: ¦ a SEG TR DI¦ ¦ TRIG? UNLATCH¦ |-----

1-2The ANAFAZE 12LS front panel provides an intelligent method for both viewing the processconditions and operating the controller. Displays show inf

4-57 YES Change current tolerance value. Lower display TOL = xx UP/DOWN Set value [+99]

4-584.7.19 EDIT PROFILE CYCLESThis menu is used to enter the desired cycles for this profile. Cycles is the number of times thisprofile is to be repea

5-15.0 PID CONTROLThe information provided in this manual is provided to get the system up and running with aminimum of effort. For further details o

5-25.1.5 DISTRIBUTED ZERO CROSSINGDistributed Zero Crossing [DZC] output is the other time proportioning output available from the12LS. This output i

5-35.2.2 PROPORTIONAL WITH INTEGRAL CONTROL:The Two-mode PI is the most common of the control modes in use in industry. It must be tunedby tuning the

5-4There is no tuning step for the Output Filter. Adjusting the PID without the Filter(set at 0) willgive the fastest output response to a step change

5-55.2.5 PID TUNING CONSTANTS PROPORTIONAL BAND SETTINGSTHE FOLLOWING TABLE REPRESENTS AN AVERAGE SETTING FOR THE PB INRELATIONSHIP

5-65.2.6 GENERAL PID CONSTANTS BY APPLICATIONPROPORTIONAL BAND ONLY (P)PB = SET 7% of SP Example: SP = 450 PB = 31TI = OFFTD = OFFOutput Filter =

6-16.0 SOFTWAREANAFAZE offers turnkey software for IBM PC and compatible computers. The presentsoftware includes:ANASOFT-SV Standard Version for

7-17.0 TROUBLE SHOOTING INFORMATION7.1 Stand Alone SystemsFor stand alone systems the ANAFAZE 12LS should be returned to ANAFAZE when problemsoccur.