Dwyer 32A User Manual

INSTRUCTIONS FOR THE 32A SERIES 1/32 DINMICROPROCESSOR BASEDTEMPERATURE / PROCESS CONTROLLOVE CONTROLS DIVISIONPhone: 219/879-8000DWYER INSTRUMENTS, I

Page 10NOTATION CONVENTIONS FOR THE MENUSBecause of the number of features available in this control, information is included that may not applyto yo

Page 11PROGRAMMING AND OPERATION FOR RAMP / SOAK FEATUREThe ramp / soak feature offers a great deal of flexibility by allowing changes in the set poin

Page 12Program SetupAll of the programming for the Ramp / Soak function is done in the Secondary Menu. You may wish towork out your program on paper b

Page 13Ramp / Soak OperationWhen you wish to start the program, enter the Secondary Menu and set the Prog menu item to On.Return to the HOME position

Page 14AUTO / MANUAL OPERATIONThe AUTO / MANUAL function allows you to manually adjust the output of the control. This is normal-ly used during proce

Page 15OPERATION AND PROGRAMMING OF OPTIONSOption 992, Serial Communication.The serial communications option allows the control to be written to and r

Page 16FACTORY DEFAULT PROCEDUREIf for any reason you wish to restore the factory settings or change the function of the second outputbetween ALarm or

Page 17ALARM TYPE AND ACTIONCaution: In any critical application where failure could cause expensive prod-uct loss or endanger personal safety, a redu

Page 18Serial Communications Options and Non-volatile MemoryThere are many different types of memory used in computer driven devices. The terms RAM (r

Page 19If your computer system will be making frequent changes to the control we strongly recommend thatyou select the ‘write to RAM’ parameters (Stor

CONTENTSINSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 20SECONDARY MENUHold UP ARROW & ENTER. Press INDEX to advance to the next menu item. Press UP ARROW orDOWN ARROW to change the value in the d

Page 21##tP Time Proportioning Cycle Time. Select 1tP to 80tP.1tP A setting of 1tP is recommended for solid state outputs (SSR or 15VDC).2tP to 80tP T

Page 22tunE Tuning Choice: Select SELF, Pid, SLO, nor, or FASt.SELF The Controller will evaluate the Process and select the PID values to maintain goo

Page 23FrtE Fuzzy Logic Rate of Change: Select 0.00 to 99.99 counts/second. For best initial setting, find the count/second change of process value n

Page 24The following items repeat in the following order: 1ti, 1SP, 1A1 (if alarm 1 is programmed as anevent), 2ti, 2SP, 2A1, . . . , 16ti, 16SP,16

Page 25SECURE MENUHold UP ARROW & ENTER for 5 Seconds. Press INDEX to advance to the next menu item. Press UPARROW or DOWN ARROW to change the val

Page 26OSUP Zero Suppression: Select On or OFF. Only with Current and Voltage input types.OFF The input range will start at 0 (zero) Input.On The inpu

Page 27SEnC Sensor Rate of Change: Select OFF, 1 to 4000 °F, °C, or counts per 1 second period. Thisvalue is usually set to be slightly greater than t

Page 28If Out1 is set for ##tP, #PUL, or ProP, then S1OL and S1OH (following) appear. If Out1 is set forONOF, then skip to S1rE.S1OL Set Point Ou

Page 29If your control is not equipped with a second output or if the second output is programmed asan alarm, then proceed to the alarm section (next

GETTING STARTED1. Install the control as described on page 4.2. Wire your control following the instructions on page 5. If you are using a two-wire t

Page 30The following menu item applies only to the alarm when programmed.AL Alarm function: Select OFF, Lo, Hi, HiLo, or Evnt.OFF Alarm is disabled.

Addr (Option 992, Serial Communications) Control Address: Set from 1 to 3FF. This number (hexadecimal, base 16) must match the address number used by

Page 32SPECIFICATIONSSelectable Inputs: Thermocouple, RTD, DC Voltage, or DC Current selectable.Input Impedance:Thermocouple = 3 megohms minimum. RTD

Page 33DIAGNOSTIC ERROR MESSAGESDISPLAYUFLorOFLbAdInPOPEnInPLOOPbAdSEnCbAdCHECCALMEANINGUnderflow or Overflow:Process value hasexceeded input rangeend

Page 34DIAGNOSTIC ERROR MESSAGESDISPLAYNo display lightedFAIL tEStCHEC SP1,CHEC SP2,CHEC 1SP, ...,CHEC 16SPCHEC SPL orCHEC SPHCHECrSptCHECLorEArEAMEAN

Page 35Input Ranges (Field Selectable)Thermocouple TypesInputTypeRange1° F1°CInputTypeRange1° F1°CInputTypeRange1° F1°CType J or L*Iron-Constantan-100

LOVE CONTROLS DIVISIONPhone: 219/879-8000DWYER INSTRUMENTS, INC.www.love-controls.comP.O. BOX 373 • MICHIGAN CITY, Fax: 219/872-9057INDIANA 46361, U.

MODEL IDENTIFICATIONModel 3 2 AAlarm Programming0 = No1 = YesOutput 11 = SSR 5 = Current2 = 5 VDC 8 = DC SSR3 = RelayOutput 20 = None 3 = Relay1 = S

Prepare the panel by cutting and deburring the required opening(s).From the front of the panel, slide the housing through the cutout. The housing gask

Control wiring is as shown.The wiring terminals for the 32A are compres-sion type. To open the wiring terminal, turn thescrew for that terminal counte

Wiring for 4 to 20mA Transmitter InputsWire power and outputs as shown above. Two-wire transmitters wire as shown below.For three or four wire transmi

FRONT PANEL KEY FUNCTIONSThe decimal point flashes when Self-Tune is operating.Keys are illuminated when pressed. Key functions are as follows:INDEX:

While in the Primary or Secondary Menu, if no key is pressed for a period of 30 seconds, the displaywill return to the HOME position displaying the te