Watlow 8PID Controller Manual do Utilizador

WATLOW ANAFAZE 8 PID CONTROLLERInstallation And Operation ManualRevision 5March 26, 1987ANAFAZE 8 PID Serial Numbers P2000 and higherWatlow Anafaze344

53.0 INSTALLATIONThere are some precautions that must be observed when installing the ANAFAZE 8 PID:WARNING-ELECTRICAL SHOCK DANGERIt is very importan

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7For optimum performance when directly connecting thermocouple inputs, the terminalstrips should be kept horizontal. In addition the unit should be pr

8Please note that the ANAFAZE 8 PID does not require an automatic LF line feed at theend of each communication. Do not use this feature available in t

9If the host computer uses RTS and CTS or DSR and DTR, these lines should beconnected together in pairs [or as shown in the computer manual]. Normally

10The connections are shown for a single controller:Multiple ANAFAZE 8 PIDs' are connected in series. R+ is connected to the first unitTXD and TX

11Multiple ANAFAZE 8 PID's are connected in parallel. The RXD of the first unit isconnected to the RXD of the next unit, the RXD* to the RXD*, an

123.3.2 BAUD RATE SELECTIONWARNING - TURN OFF POWER BEFORE CHANGING BAUDRATEBaud rate is selected by positioning a selector jumper on J1 on the main

134.0 ANALOG INPUTSConnecting analog signals to the ANAFAZE 8 PID is normally straightforward. Mostsignals, including thermocouples can be directly co

144.5 USE OF THE SHIELD CONNECTIONThe shield connection provides a third input which is switched as each channel ismeasured. It is the ground referenc

STATEMENT OF WARRANTYANAFAZE, Incorporated warrants that the Products furnished under this Agreement willbe free from material defects in material and

15RA, RB, RC, and RD are selected separately for each input and are labeled on the PCboard for each loop. CH 1 (channel 1) is loop 1 etc. Resistors sh

164.9 CURRENT TRANSMITTER INPUTSCurrent inputs are accommodated by placing resistors in the input section to convert thecurrent input into a voltage.

174.11 SCALING AND CALIBRATIONSince a computer is used to display the reading and load the setpoints, a mathematicalstep can be used to convert measur

184.13 DIAGRAM OF TYPICAL INPUTS

195.0 CONTROL OUTPUTSControl output boards are plugged into rear slots on the main circuit board as follows:ANAFAZE 8 PID serial numbers above 2000 on

20The time proportioning output is turned on for a percentage of the ANAFAZE 8 PIDcycle time according to the calculated control output. Thus if the c

21 Output 1 pin is labeled "AL 1". Output 2 pin is labeled "AL 2".Each of the outputs can be configured as diagrammed:

221. As a TTL signal by connecting to "AL" pin and "GND". ON < 0.5V at 4ma sink OFF = 5V at 400ohm source resistance2. T

236.0 OPERATIONThe ANAFAZE 8 PID is operated using the communications interface according to thecommands sent from the host computer. ANAFAZE provides

24The host computer manual provides the information needed to write this type ofprogram. An example in BASIC is provided in Appendix 1 for the IBM PC.

WARNINGANAFAZE HAS MADE EFFORTS TO ENSURE THE RELIABILITY ANDSAFETY OF THE ANAFAZE 8 PID CONTROLLER AND PROVIDERECOMMENDATIONS FOR ITS SAFE USE IN SYS

257.0 COMMAND STRUCTURECommunication between the ANAFAZE 8 PID and the host computer is accomplishedwith ASCII code. The baud rate can be selected fro

26Standard Input Types:Code InputJ J thermocouple -50 to 1400 FK K thermocouple -110 to 2500 FT T thermocouple -120 to 750 FU 0 to 100%, 0 to 60mvSee

27Command: K5PQRCResponse: K5P200CRLF loop 5 proportional gain is 200To set the integral multiplier:T(1)M(a)CR T is the time indicator1 affects all lo

28To pre-set the integral sum value:I(n)S(abcde)CR I is the Integral indicatorn is the loop number 1 to 8S is integral sum indicatorabcde is the value

29Digital Filter ASCII character0011223344556677889910 :11 ;12 <13 =14 >15 ?Example:Command: D3F4CR sets digital filter level 4 for loop 3Respo

30Example:Command: O7V0512CR suspends control and sets output to 50%Response:O7V0512CRLF control is suspended, output fixed at 50%To initiate PID con

31Example:Command: T1R00090CR sets cycle time to about 5 secondsResponse: TR00090CRLF cycle time is about 5 secondsTo query the cycle time:T1RQCR7.5

32Example:Command: S3CR read analog input loop 3 (J/TC)Response: S3+11867CRLF temperature loop 3 is 1186.7 FExample:Command: S6CR read analog input

33Example:Command: SFCRResponse: +032;+001;+0334+0333+033=+034>+61:8+31:?CRLFthe value for loop 8 is calculated from 31:?3*4096 + 1*256 + 10*16 +

34APPENDIX 1 - SAMPLE BASIC TERMINAL PROGRAM FOR IBM PCThis program will transmit characters entered on the keyboard to the ANAFAZE 8PID and display t

TABLE OF CONTENTS1.0 INTRODUCTION ___________________________________________________12.0 SPECIFICATIONS _____________________________________________

ANAFAZE 8 PIDAEX (ALARM EXPANDER BOARD) OPTIONMANUAL SUPPLEMENTRevision 2March 26, 1987Watlow Anafaze344 Westridge DRWatsonville, CA 95076Phone: 831-7

ANAFAZE 8 PID AEX (ALARM EXPANDER BOARD) OPTIONANAFAZE 8 PID MANUAL SUPPLEMENTCONTENTS1. THEORY OF OPERATION _____________________________________ 11.

11. THEORY OF OPERATIONThe Alarm Expander Module (AEX) is an optional plug-in card for the ANAFAZE 8PID that provides 22 discrete input/output lines a

21.1.1 ALARM MODE I/O LINE CONFIGURATIONThe alarm mode input and output designations are as follows:I/O Line Nr. Input/Output Designation00 Output Loo

3The user may select an alarm deadband of 0 to 9 % of the setpoint. Refer to thecommand summary at the end of this section for further information.Ent

42. HARDWARE DESCRIPTION2.1 ANAFAZE 8-PID CONNECTIONThe Alarm Expander Board plugs into the A8PID at connector J3 and connects to J2 by ashort ribbon

52.2.1 CONNECTOR TYPES REQUIREDThe Alarm Expander Board is designed to interface directly to the PB24 Board witha 50 pin ribbon cable (optional...ANAF

6Refer to the diagram below for interconnection and jumper information:EXPANDER BOARD ____ J1 PIN __________ I/O LINE NR |

73. COMMAND SUMMARYAll AEX commands are prefaced by the character 'X' to identify it as an "eXpander" cardcommand.I/O lines are ad

8Examples:Channel Input Type Setpoint Entered InterpretationThermocouple 0050 50 Degrees FMillivolt Range 0050 5.0% Full ScaleNOTE: No internal check

5.0 CONTROL OUTPUTS ______________________________________________195.1 TIME PROPORTIONING VOLTAGE_______________________________195.2 ON/OFF VOLTAGE

9Example:Command: X2LQ <CR>Response: X2L0100 <CR><LF>Setting any alarm value updates both the run-time (RAM) and stored (ROM) data.

103.4 DEFINING I/O LINES AS INPUTS OR OUTPUTS (CONTROL MODE ONLY)If Control Mode is selected the user may define the four groups of I/O lines as input

11Or: XS03O <CR><LF>Input 3 is ON (HIGH level TTL signal)3.6 SETTING INDIVIDUAL OUTPUT LINE LEVELSI/O lines defined as Outputs may be set

123.8 WRITING ALL OUTPUT LINESAll 16 possible output Lines may be set or cleared simultaneously with one command.The desired level of each line [1=Hig

133.9 SETTING THE ALARM DEADBANDXAD(a) <CR>where a is the percentage (0-9)Example:Command : XAD1 <CR>Select a 1% deadbandResponse: XAD1 &l

14The ASCII characters are derived as per the following table:Value Hex Value Binary Value ASCII Character ASCII Code(Hex) (Decimal)00 0 0000 0 30 480

11.0 INTRODUCTIONThe ANAFAZE 8 PID is a full-featured, industrial-quality, eight- loop, three-modecontroller offering unique shared processing technol

22.0 SPECIFICATIONS2.1 ANALOG INPUTSNumber of channels: eightMultiplexing: three wire reed relay, guarded inputsA/D converter: integrating voltage to

32.3 REPORTING PARAMETERSThe computer can request any of the following for any loop:Operating parameters: all of the aboveAnalog inputs: sensor input2

42.8 SUBASSEMBLY IDENTIFICATIONThe ANAFAZE 8 PID controller consists of a measurement/processing unit with integralmounting frame, plug-in terminals f