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Parameter Generation and Control 9354-4250, Инструкция по установке и эксплуатации

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PGC, Inc. 

Appendix B; SmartPad version 0.503 

Steady State & Programmable 

 

November 2005 

B-28

PGC SmartPad™ Serial Communications 

The SmartPad™ is capable of communication with a remote terminal via RS-232 protocol.  The 
connection is made at a DB-9 male connector on the cabinet. 

 

I. OVERVIEW: 

This section of the manual will explain the use and function of the communications feature.  The 
SmartPad™ is capable of communication with a remote terminal via RS-232 protocol.  Through 
this interface the user can modify the control set points or the tuning values.  The user can also 
request the current set points, tuning values, percentage output or the measured process 
variables.  This functionality will allow the user to collect performance data from the controller 
or store test procedures on a remote terminal.  These stored test procedures can then be 
downloaded to the SmartPad™, giving the user unlimited programming capability. 
 
A complimentary copy of SmartLog™ is available by request.  SmartLog™ provides a Windows 
based platform for data collection, chamber control and real-time graphing. 

 

II. HARDWARE CONNECTIONS: 

Connect the remote terminal to the nine pin header on the back of the SmartPad™ or DB-9 Male 
connector on the cabinet.  Maximum cable length should be limited to 50 feet with RS-232 
protocol.  The required connections are as follows. 
 Terminal 

# Function 

 5 

Common 

 

2 

Terminal Receive (data from SmartPad™) 

 

3 

Terminal Transmit (data to SmartPad™) 

 

 

III. TERMINAL  PROTOCOL: 

Any terminal program or application that is capable of sending and receiving ASCII characters 
should be capable of communicating with the SmartPad™.  All hardware handshaking should be 
disabled in the terminal since there are no hardware handshaking connections on the SmartPad™ 
connector.  The command sample rate should also be limited to greater than 10 milliseconds 
between request commands (?) and 20 mS. between input commands (=). 
The protocol settings on the terminal should be: 

 Baud 

rate: 

9600 

 Parity: 

None 

 Data 

Bits: 

8 

 Stop 

Bits: 

1 

 

Soft flow control (XON/XOFF): 

on 

 

Hard flow control (RTS/CTS): 

off 

 

Carriage return translation: 

none (CR = CR only) 

 

Line feed translation: 

strip (CR = CR only) 

 

Line pacing (command frequency): 

10 milliseconds or greater for requests, 20 mS or 
greater for inputs. 

 

Local character echo: 

off 

 Duplex: 

full 

 

Carrier detection: 

do not abort if CD is lost (no hardware handshaking) 

Содержание 9354-4250

Страница 1: ...h Carolina 828 669 8717 500 1000 CFM Air Handler 460V 60 Hz Model 9354 4250 Installation and Operation Manual Customer Serial Ship Date Parameter Generation and Control Inc P O Box 129 1054 Old US 70 West Black Mountain NC 28711 800 438 5494 828 669 6928 FAX ...

Страница 2: ...PGC Inc Horizontal 500 1000 CFM June 2006 Parameter Generation and Control Inc 2 ...

Страница 3: ...peration 9 Turning the Chamber Off and On 9 Process Variable Display 10 Adjusting Set Points 10 Operation After Loss of Power 10 Fault Displays 11 Control Modes 12 Specifications 500 1000 CFM 13 Replacement Parts 500 1000 CFM 14 Appendices Appendix A Technical Information Appendix B SmartPad Operation Manual Appendix C Diagrams Appendix D Manuals for Accessory Equipment ...

Страница 4: ...to operation The required voltage and current are listed on the nameplate located on the unit The sump drain may be connected directly to a facility drain but the condensate drain must be connected to an open vented trapped drain see Figure 3 to ensure that backpressure on the facilities drain does not prevent proper drainage Note The condensate drain has been supplied with a copper trap Plumbing ...

Страница 5: ...m is equipped with a water cooled condenser Connect coolant water to the condenser inlet connection on the rear of the chamber cabinet Connect the coolant water return line to the coolant water outlet connection Coolant flow requirements will vary based on the operating conditions of condensing units as the temperature of the coolant fluid The following graph indicates the maximum coolant flow req...

Страница 6: ...porator tubing to change the water level adjust the angle of the float arm slightly A low water safety switch is located in the front left corner of the sump This switch will open when the water level is too low for safe operation of the pump and water heater When the water level is correct the float switch will close and allow the controller to resume operation of the unit NOTE The conditioner wi...

Страница 7: ...00 1000 CFM June 2006 Parameter Generation and Control Inc 7 CAUTION Do not connect the drain connection to an un vented drain NOR Ensure that the drain connection is vented as shown below OR Open Vented Drain Connections ...

Страница 8: ...shipment and must be re connected prior to operation Refer to the attached wiring diagrams for re connection information NOTE The SmartPad user interface interconnect cable has a maximum voltage of 24VDC Refer to local codes to determine the proper conduit requirements for the control cable The optional circular chart recorder can be powered by 24VDC or 120 230VAC Refer to the wiring diagrams or t...

Страница 9: ...The SmartPad may be remotely mounted refer to the PGC SmartPad section at the rear of this manual for instructions Turning the Chamber Off and On When the chamber is energized and the Standby key has been pressed the system should begin to operate and control the temperature and humidity in the chamber at the set points entered into the SmartPad user interface The SmartPad user interface is config...

Страница 10: ... the Process Variable screen pressing the SP function key will access the Set Point screen The Set Point screen will allow the user to enter the desired air temperature and relative humidity set points for the chamber NOTE The SmartPad has no ENTER key In order to enter a value in any field all digits must be entered For example to enter 25 0 C air set point you must press 2 5 and 0 When the field...

Страница 11: ...f the power loss exceeds approximately 30 minutes the controller will re initiate the program according to the loop parameters defined in the INIT screen Fault Displays If the system encounters a temperature low water remote on off switch or refrigerant pressure fault the system will shut down and the SmartPad will indicate the fault that has occurred The SmartPad will continue to indicate that th...

Страница 12: ...ature mode can be used when operating the very edges of the system capabilities 3 Slow Damper Mode This mode is similar to Cascade mode with the difference being that the air bypass damper control loop and the air heater control loop have been separated In this mode the damper is moved slowly and its final position is when the desired percentage of air heat output is achieved The desired percentag...

Страница 13: ...tt 3000 watts Refrigerant R 404a 96 Ounces Process Water Pressure Max Min 125 5 psig Weight Net 1000 lb Weight Shipping 1400 lb Temperature Range 7 to 60 C Relative Humidity Range 10 to 95 1 Temperature Constancy control 0 2 C Rh Constancy control 0 5 1 Minimum Rh is limited by a minimum dew point of 5 C 41 F for standard Spray Mode For example Air Temperature Max Rh Min Rh 10 C 50 F 88 70 25 C 77...

Страница 14: ...1 Gasket Spray Chamber Inner Door 95 Refrig Hardware 47 131 1604 0101 Gasket Spray Chamber Outer Door 95 Refrig Hardware 47 131 1604 0101 Gasket Supply Duct Transition Box Refrig Hardware 47 131 1604 0101 Heater Air Vulcan OEM 0416 0508 Heater Water Watlow OEM 0416 0599 Hour meter UV Durant E42DIR48230 0215 2821 HygroClip Connector and Cable 5 meters amplified analog 0ºC to 100ºC PGC MOK 05 XX 005...

Страница 15: ...5 15 1612 0201 Stepper Micro Controller PGC Step 503 SDR3 N A Strainer Bronze Y McMaster Carr 43935K24 0215 0904 Supply Duct Transition 10 Round PGC N A 5000 1389 Surge Suppressor Siemens 3RT1936 1TR00 0419 0891 Switch Float Gems LS1750 192 908 0421 0060 Switch Hi Lo Refrig Pressure Copeland 085 CP2M 7K 0423 0683 Thermostat Safety Thermtrol TS 120SR 30F 240F 1636 0223 Timer Chamber Light Intermati...

Страница 16: ...__________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ _________________________________________________________...

Страница 17: ...ir Flow 4 Water Flow 5 Temperature Controls 5 Description of Circuitry 7 Safety Devices 9 Troubleshooting 12 Operating Range of the System 12 Water Temperature 12 Air Temperature 13 Water Level 13 Rh Control 14 Maintenance 15 Preventive Maintenance Schedule 15 Automatic Damper Motor Adjustments 18 Calibration 18 Calibration 19 Calibration Air Rh 19 Water Temperature Calibration 22 ...

Страница 18: ...otor starter and contactors 3 Conditioner Exterior sump drain valve air bypass damper actuator UV filter and air temperature safety thermostat 4 Control Enclosure SmartPad user interface and optional chart recorder The unit is sturdily constructed with a stainless steel interior and exterior and insulated door with heavy refrigerator type latches and vapor resistant seals Double walls separated by...

Страница 19: ...constantly sprays water across the air stream saturating the air A submerged refrigeration evaporator coil operates 1 C 2ºC 1 8 F 3 6 F below the desired dew point and cools the water that is sprayed across the air stream The air is then re heated before it is returned to the test chamber NOTE Dew point is the temperature at which the air can contain no more moisture and some moisture begins to co...

Страница 20: ...th the unit for air and water temperatures necessary for the desired relative humidity AIR FLOW As the air enters the conditioner through the round flexible duct connection in the removable top cover The process blower located beneath this cover will force the air into the conditioning section Entering the conditioning section the air first encounters the by pass damper the damper determines the v...

Страница 21: ...e the air Since the refrigeration system has a greater capacity than is needed for most conditions a hot gas bypass valve is provided to modulate the refrigeration capacity as required This valve is automatically adjusted by an actuator operating on a control signal derived from the duty cycle of the water temperature control loop the more the hot gas valve opens the more the refrigeration capacit...

Страница 22: ...s quickly as possible Many variables affect how fast the water temperature will change such as the efficiency of the pump how much water is in the sump how often the test chamber is opened etc These are beyond the capability of the control system to measure however the controller measures how quickly the water temperature is actually changing regardless of the uncontrollable variables When the mea...

Страница 23: ...he air heaters and water heater is controlled by the PLC the PLC determines the duty cycle On time verses Off time for each of the heaters based on the requirements of each temperature control loop The PLC will open and close digital outputs that will control the input signals to solid state relays which will apply power to the respective heater based on the respective control loop An LED on each ...

Страница 24: ...gnal 0 5VDC is required if the analog signal is transmitted more than 10 feet The 0 5VDC amplifier can be used to scale the analog output for different ranges the most common range is 0 5VDC 0 C to 100 C However amplifiers are available for 30 C to 70 C and 40 C to 60 C This 0 5VDC analog amplifier is not used by the chamber controller and is only required when an analog device such as a chart rec...

Страница 25: ...h ambient temperature or excessive refrigerant charge low line voltage or unusually high ambient temperature Refrigeration High Pressure Fault A pressure switch monitors the discharge pressure in the refrigeration system This switch is located beside the compressor If the pressure is allowed to operate at an excessive level the compressor will be damaged If the high pressure switch opens the Smart...

Страница 26: ... restarted by pressing the Standby key on the SmartPad key pad Low Water Safety Switch A low water level safety float switch is located in the front left corner of the sump near the floor of the sump this switch will shut down the air handler if the water level in the sump falls below a safe operating level If this float switch opens the air handler will shut down The SmartPad user interface will ...

Страница 27: ... the SmartPad user interface will indicate FAN TEMP FAULT CLEAR and the system may be restarted by pressing the Standby key on the SmartPad key pad Motor Starter Protector If a motor starter protector MSP trips that component will not operate The starter must be reset by turning it to the Off position and then to the On position MSPs are used by the process blower pump and compressor Figure A 5 Mo...

Страница 28: ...re surrounding the conditioner is too warm or humid heat cannot be properly rejected by the air cooled condenser affecting the chamber temperature and humidity NOTE The system will not operate if the low water level safety switch has opened due to low water level in the sump WATER TEMPERATURE 1 The refrigeration system controls the water temperature 2 If the water temperature is too high a Check f...

Страница 29: ... up to three minutes to complete If the motor cannot reach the stops the Phillips screws at each end of rotation determine cause of the fault 3 Are the air heaters operating properly Measure the air heater current when the SmartPad indicates 100 air heat output 4 Is the airflow restricted or the ductwork leaking Ordinary A C ductwork is not sufficiently vapor tight for an environmental chamber The...

Страница 30: ...p to indicate the source of the problem a Verify the chamber air temperature and or relative humidity using an independent sensor This can be a rough verification just to make sure the air temperature and Rh measurements are close b Verify the water spray temperature using an independent sensor placed in the water sump This can be a rough verification just to make sure the water temperature measur...

Страница 31: ...rly or as needed Spray Nozzles The spray nozzles should be checked periodically to make sure they are free of foreign particles that might impair their operation The spray pattern may be observed by opening the front access door All spray jets should be working and spraying uniformly Quarterly or as needed UV Lamp and Quartz Jacket The UV filter lamp and quartz jacket should be replaced every 9 00...

Страница 32: ...Particulate Filter Proper filtration by the UV lamp requires that the water be free of particulates that block the UV light from passing through the water The particulate bag filter is located in the sump and will trap particulates that are 5 microns and larger This filter bag must be replaced periodically the frequency of replacing this bag filter depends mostly upon the process in the test chamb...

Страница 33: ...onnect power from the unit pull out the lamp using the harness cap as a handle until the lamp is extended far enough to unplug the harness and withdraw the lamp from the unit UV Filter Removal Instructions 1 Turn the air handler off The quartz tube will be under discharge pressure from the water spray pump 2 Gently pull the UV lamp harness to remove the UV lamp from the quartz tube 3 Disconnect th...

Страница 34: ...ed movement of the damper the mechanical stops Philips screws on the actuator shaft are adjusted to reduce the operation range of the motor After the stops are adjusted the actuator must be acclimated This is an initialization procedure that informs the actuator where the physical stops are located To perform the acclimation process remove the control input signal from PLC1 to the damper actuator ...

Страница 35: ... cable available from Rotronics allows the PC to communicate directly to the HygroClip The HygroClip is then positioned in a stable chamber compared to a reference standard and adjustments made to the calibration constants from the PC Contact Rotronics or PGC for more details regarding PC based HygroClip calibration Calibration in place Rotronics produces a hand held device called a HygroPalm that...

Страница 36: ...is means that the HygroPalm must be connected to the DIO and common on the sensor side of the amplifier The DIO amplifier is located in a plastic box near the HygroClip Two terminals are provided for the DIO and common connections from the HygroPalm Connect HygroPalm Here Piggy back HygroPalm Connection Figure A 15 DIO Amplifier HygroPalm Connection Figure A 13 ACE4 PCB HygroPalm Connection Calibr...

Страница 37: ...ration offset 10 The display will respond wait until the data written to the HygroClip 11 When wait disappears you can press ENTER to return to the measured value display screen HygroPalm Single Point Rh Calibration Procedure 1 Install an Rh reference as close as possible to the HygroClip sensor 2 Using a special cable from PGC connect the HygroPalm to the ACE pc board at the two pin connector in ...

Страница 38: ...er b Operate the system at the minimum water temperature or if performing a single point offset calibration operate the system at the desired offset temperature c Access the RTD calibration screens in the SmartPad On the Process Variables screen press MORE F4 then PREF F2 and enter the access code factory setting 0000 to access the Area modification screen Press CAL F3 to access the Water Calibrat...

Страница 39: ...mperature measured by the reference standard and press ZERO F1 c Press CAL F1 after a few seconds observe the Actual Value matches the Reference Value c Press DONE 2 Span Gain Adjustment a Place the high temperature precision resistor in the RTD circuit b Access the RTD calibration screens in the SmartPad On the Process Variables screen press MORE F4 then PREF F2 and enter the access code factory ...

Страница 40: ...__________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ _________________________________________________________...

Страница 41: ...Parameter Generation and Control Inc Black Mountain North Carolina 828 669 8717 SmartPad Operation Manual Steady State and Programmable Set Point Entry Mode Software Version 0 503 November 2005 ...

Страница 42: ...PGC Inc Appendix B SmartPad version 0 503 Steady State Programmable November 2005 B 1 ...

Страница 43: ...iguration Screen Programmable Modes B 10 Monitor Water Values Screen Steady State and Prog Modes B 12 Monitor React Values Screen Steady State and Prog Modes B 12 More Screens Steady State and Prog Modes B 13 Area Modification Screen Steady State and Prog Modes B 13 Alarm Condition Screen Steady State and Prog Modes B 14 Access Code Screen Steady State and Prog Modes B 15 Water RTD Calibration Scr...

Страница 44: ...In this mode the air temperature and Rh are entered by the user The Rh is controlled using a desiccant dryer The dryer controller can be configured for bypass or reactivation heater capacity control The type of dryer control is pre configured at the factory The displayed screens will be different based on the type of control selected SmartPad software is capable of operating with both analog and d...

Страница 45: ...on key that is directly below it If a key has no function or if the function is disabled the title is blanked out Screen progression charts are provided to help illustrate the screens available in each mode There is a chart for each of the four modes two temperature cascade dryer and slow damper cascade Many of the screens are available in different modes and have exactly the same function Each in...

Страница 46: ...e current segment and the time left in that segment Depressing the ESC function key on any screen will access the process variable screen AIR or RH H2O ACTUAL indicates the current measured conditions in the chamber SEG indicates the current segment TIME indicates the time left in the current segment If the program is running the time will be decrementing If the program is halted the time will be ...

Страница 47: ...only be energized 10 of the time If the air heat control is calling for 1 2 output in low temperature mode the actual heater will only be energized 5 of the time When the system is operating in normal not low temperature mode the air heat out will reflect the actual heater duty cycle H2O HEAT OUT indicates the duty cycle of the resistance heaters in the water control system This will also relate t...

Страница 48: ... set point screen displays the current air temperature and water temperature or Rh set point This screen allows the user to view and or modify the set points for the system Note 1 The controller does not have an ENTER key The set point will be entered into the controller when the entire field is filled When the field is filled the cursor will return to the beginning of the field to indicate proper...

Страница 49: ... point In this fashion it will usually require two segments one ramp and one dwell for each condition that is to be achieved The time duration must be in a range from 0 seconds to 17 hours 59 minutes 59 seconds If longer segments are require simply program two segments to double the time Keep in mind that the SmartPad is only controlling the amount of time required for the set points to change The...

Страница 50: ...om 05 to 02 The controller will then continue to execute segments 02 through 05 indefinatly until the profile is halted or altered Example 2 If START AT SEG 00 LOOP FROM SEG 05 LOOP TO SEG 05 The controller will execute segments 00 through 05 in sequence Then since the loop to segment is the same as the loop from segment the controller will loop from 05 to 05 The controller will then continue to e...

Страница 51: ...sists for four digital switches Each switch is closed or on when the bit is high and off when the bit is low The low nibble right digit is used to configure the operating mode of the chamber Bit 2 is used as a reconfigure indicator If this bit is set the system will reconfigure the operating mode If this bit is clear the system will ignore the mode indicator Bits 0 and 1 represent the mode indicat...

Страница 52: ...YES DRY MODE x7 YES SLOW DAMPER MODE x8 NO NO ACTION x9 NO NO ACTION Programming examples PRGC 00 All digital outputs are off System will not reconfigure PRGC 10 Digital output 1 is on System will not reconfigure PRGC 04 All digital outputs are off System will reconfigure to mode 00 Cascade mode PRGC 14 Digital output 1 is on System will reconfigure to mode 00 Cascade mode PRGC 16 Digital output 1...

Страница 53: ...og Modes The monitor react values screen allows the user to observe the measured reactivation temperature and the reactivation set point that is determined by the desiccant dryer control loop These values cannot be modified This screen is for monitoring only This screen is available only in dry mode and only if the controller is configured for reactivation heater control H2O SETPOINT 11 0 C H2O AC...

Страница 54: ...n that is encountered when the user s custom access code is entered into the access screen This screen allows the user to select the user accessible configuration options SmartPad SN 1234567 Software ver 502 STEADY STATE CASCADE ALM PREF ESC Key for function keys action F1 ALM access the alarm information screen F2 PREF access the access code screen F3 no function F4 ESC return to process variable...

Страница 55: ...d and the alarm delay timer expires the display will flash on a one second interval and the alarm output will change state ACK will acknowledge the alarm condition This will cause line two to display ALARM ACKNOWLEDGED This is not the same as resetting the alarm Acknowledge will keep the display from flashing but will not reset the open collector output The purpose of the acknowledge function is t...

Страница 56: ...alled pressing CAL will return to the process variable screen When a digital air Rh sensor is used the water temperature is measured using an RTD that is connected directly to the controller The controller then converts the RTD resistance to a digital temperature measurement using a 16 bit A D converter The offset zero and scaling span of this A D converter input can be adjusted from the SmartPad ...

Страница 57: ...ion curve This value should be as close as practical to the maximum operating temperature ACTUAL VALUE will indicate the current water temperature as it is measured by the input circuit This value will change to indicate the calibration offset after the CAL key is pressed REF VALUE will indicate the reference value entered in the water RTD calibration screen H2O RTD ZERO CALIB ACTUAL VALUE 03 9 C ...

Страница 58: ...odes The first step in calibrating the auxiliary RTD is to set the zero or offset value This value should be as close as practical to the minimum operating temperature ACTUAL VALUE will indicate the current auxiliary temperature as it is measured by the input circuit This value will change to indicate the calibration offset after the CAL key is pressed REF VALUE will indicate the reference value e...

Страница 59: ...te the current water temperature as it is measured by the input circuit This value will change to indicate the calibration offset after the CAL key is pressed REF VALUE will indicate the reference value entered in the water RTD calibration screen AUX RTD SPAN CALIB ACTUAL VALUE 3 9 C REF ACTUAL 04 0 C CAL DONE Key for function keys action F1 CAL instructs the A D converter to accept the new span v...

Страница 60: ...ill toggle the displayed value through all possible settings The setting that is displayed is the setting that will become active Press ENTER F4 to exit the alarm control menu and return to the process variable screen This will cause the system to reboot in the mode selected Label Displayed Acceptable Data Range Description CHOOSE CONTROL MODE Rh Cascade Two Temp Dryer Slow Damper Will reconfigure...

Страница 61: ...larm function on or off GEN ALARM CONFIG Timer 00 00 00 through 17 59 59 Alarm delay timer This defines the time that an alarm condition will be ignored AIR ALARM CONFIG Trip by Limits Deviation Defines the type of air alarm that will be used Limits allow the user to set a fixed max min temperature that will trigger an alarm Deviation sets a range of temperatures above and below the current set po...

Страница 62: ...hat is equal to the manual adjust setting AUX HEATER CONTROL Set Point 00 00 to 99 99 Allows access to the auxiliary heater control loop set point This set point can be configured to be slaved to the air set point AUX HEATER CONTROL Actual 00 00 to 99 99 Displays the measured temperature from the auxiliary RTD AUX HEATER CONTROL Output 00 00 to 99 99 Displays the percentage output heater duty cycl...

Страница 63: ... Limit 00 00 to 99 99 Defines the minimum reactivation temperature set point that the system will allow RH DRYER CONTROL Control Band 00 00 to 99 99 Defines the proportion P portion of the desiccant dryer control loop RH DRYER CONTROL Rate 00 00 to 99 99 Defines the rate or integral I portion of the desiccant dryer control loop RH DRYER CONTROL Derivative 000 to 999 Defines the derivative D portio...

Страница 64: ...creen in order to access the set point screen When the SmartPad displays the set point screen enter the new set point no decimal required Note Since there is no ENTER key it is necessary to fill every digit in the field for proper entry For example 10 0 C would be entered as 1 0 0 If the field is not filled the new set point will be ignored After the new set point has been entered it is usually a ...

Страница 65: ... the desired dry bulb temperature vertical lines and Relative Humidity horizontal lines The intersection of these two lines defines the water spray temperature curved lines necessary to achieve the desired conditions SEGMENT 01 1 Time set in hours minutes and seconds is the time to proceed to the conditions desired IMPORTANT Since the starting point of the SmartPad is unknown program the time in t...

Страница 66: ...Bulb Temperature and RH as follows NOTE If lock out option ALL has been chosen from the configuration options screen there will be no TAB function F1 and no flashing cursor since you are allowed to view but not change the program 1 From the METER screen press the PROG key the display should change to the PROGRAM screen 2 Segment 00 should show on the display depress NEXT or 01 on the number pad Th...

Страница 67: ...and back to the beginning If it is entered as desired depress the TAB key 11 The first digit of the loop from segment should be flashing On the number pad depress 07 The flashing portion of the display should have moved all the way through the indication and back to the beginning If it is entered as desired depress the TAB key 12 The first digit of the loop to segment should be flashing On the num...

Страница 68: ...is in the halt mode Press RUN to exit the halt mode and continue with the program If a segment must be longer than 17 hours 59 minutes and 59 seconds for a ramp or dwell the time must be spread out over more than one segment If power to the SmartPad is removed for less than 20 minutes a program cycle will resume from the point it was at when the unit was turned off or the power failed If power is ...

Страница 69: ...me graphing II HARDWARE CONNECTIONS Connect the remote terminal to the nine pin header on the back of the SmartPad or DB 9 Male connector on the cabinet Maximum cable length should be limited to 50 feet with RS 232 protocol The required connections are as follows Terminal Function 5 Common 2 Terminal Receive data from SmartPad 3 Terminal Transmit data to SmartPad III TERMINAL PROTOCOL Any terminal...

Страница 70: ...s Decimals and colons may be omitted or used if preferred All commands must be followed by a carriage return CR Uppercase and lowercase letters are equally valid It is important to note that all data entered into the SmartPad is stored in non volatile memory EEProm This type of memory has a finite limit to the number of write erase cycles This limit is vaguely in the 5 10 000 cycle range This shou...

Страница 71: ...ant WO CR Returns the percentage of Water heat Output The following commands are available in a Cascade mode only WL CR Returns Water Low limit WU CR Returns Water Upper limit RP CR Returns the current Rh Process variable measured rh RS CR Returns the current Rh Set point RH CR Returns Rh Half proportional band RR CR Returns Rh Reset rate maximum rate of change in water set point degrees C per min...

Страница 72: ...emperature mode only WS SP xx xx CR Inputs xx xx as the new Water Set point WR SP xx xx CR Inputs xx xx as the new Water Reset rate WH SP xx xx CR Inputs xx xx as the new Water Half proportional band WD SP xx xx CR Inputs xx xx as the new Water Derivative constant The following commands are available in a Cascade mode only WL SP xx x CR Inputs xx x as the new Water Lower limit WU SP xx x CR Inputs...

Страница 73: ... terminal next to the board mounting nut If this solves the problem it indicates that there is a difference in potential between the SmartPad common and the machine common This is typically only a problem when the SmartPad is mounted remotely To solve this connect a permanent ground from the SmartPad to the cabinet where the terminal connector is mounted Invalid characters are displayed on the ter...

Страница 74: ...ION F2 F3 F4 F1 CHOOSE THE AREA YOU WISH TO MODIFY CODE ALRM CAL TUNE AREA MODIFICATION F2 F3 F4 F1 NEW CODE ENTER THE NEW LOCK OUT ACCESS CODE REDO UNLOCK ESC F2 F3 F4 F1 TUNE MENU STEADY STATE TWOTEMP AIR HEATER CONTROL Control Band 05 00 PREV NEXT ESC F2 F3 F4 F1 STEADY STATE TWOTEMP GEN ALARM CONFIG Alarms Enabled PREV NEXT CHNG ENTER ALARM MENU F2 F3 F4 F1 WATER CALIBRATION H2O RTD CALIBRATIO...

Страница 75: ... WISH TO MODIFY CODE ALRM CAL TUNE AREA MODIFICATION F2 F3 F4 F1 NEW CODE ENTER THE NEW LOCK OUT ACCESS CODE REDO UNLOCK ESC F2 F3 F4 F1 TUNE MENU STEADY STATE CASCADE AIR HEATER CONTROL Control Band 05 00 PREV NEXT ESC F2 F3 F4 F1 STEADY STATE CASCADE GEN ALARM CONFIG Alarms Enabled PREV NEXT CHNG ENTER ALARM MENU F2 F3 F4 F1 WATER CALIBRATION H2O RTD CALIBRATION REF VALUE 63 9 ZERO SPAN NEXT ESC...

Страница 76: ...F2 F3 F4 F1 CHOOSE THE AREA YOU WISH TO MODIFY CODE ALRM CAL TUNE AREA MODIFICATION F2 F3 F4 F1 NEW CODE ENTER THE NEW LOCK OUT ACCESS CODE REDO UNLOCK ESC F2 F3 F4 F1 TUNE MENU STEADY STATE DRYER AIR HEATER CONTROL Control Band 05 00 PREV NEXT ESC F2 F3 F4 F1 STEADY STATE DRYER GEN ALARM CONFIG Alarms Enabled PREV NEXT CHNG ENTER ALARM MENU F2 F3 F4 F1 WATER CALIBRATION H2O RTD CALIBRATION REF VA...

Страница 77: ...REV NEXT ESC F2 F3 F4 F1 STEADY STATE SLOWD GEN ALARM CONFIG Alarms Enabled PREV NEXT CHNG ENTER ALARM MENU F2 F3 F4 F1 WATER CALIBRATION H2O RTD CALIBRATION REF VALUE 63 9 ZERO SPAN NEXT ESC F2 F3 F4 F1 WATER ZERO H2O RTD ZERO CALIB ACTUAL VALUE 63 9 REF VALUE 63 9 CAL DONE F2 F3 F4 F1 WATER SPAN H2O RTD SPAN CALIB ACTUAL VALUE 63 9 REF VALUE 63 9 CAL DONE F2 F3 F4 AUX RTD CALIBRATION REF VALUE 6...

Страница 78: ...P TO SEG 04 TAB EXEC PRGC ESC F1 AUX RTD CALIBRATION F2 F3 F4 F1 CHOOSE THE AREA YOU WISH TO MODIFY CODE ALRM CAL TUNE AREA MODIFICATION F2 F3 F4 F1 NEW CODE ENTER THE NEW LOCK OUT ACCESS CODE REDO UNLOCK ESC F2 F3 F4 F1 TUNE MENU PROGRAMMABLE TWOTEMP AIR HEATER CONTROL Control Band 05 00 PREV NEXT ESC F2 F3 F4 F1 PROGRAMMABLE TWOTEMP GEN ALARM CONFIG Alarms Enabled PREV NEXT CHNG ENTER ALARM MENU...

Страница 79: ...MODIFICATION F2 F3 F4 F1 NEW CODE ENTER THE NEW LOCK OUT ACCESS CODE REDO UNLOCK ESC F2 F3 F4 F1 TUNE MENU PROGRAMMABLE CASCADE AIR HEATER CONTROL Control Band 05 00 PREV NEXT ESC F2 F3 F4 F1 PROGRAMMABLE CASCADE GEN ALARM CONFIG Alarms Enabled PREV NEXT CHNG ENTER ALARM MENU F2 F3 F4 F1 WATER CALIBRATION H2O RTD CALIBRATION REF VALUE 63 9 ZERO SPAN NEXT ESC F2 F3 F4 F1 WATER ZERO H2O RTD ZERO CAL...

Страница 80: ...DE REDO UNLOCK ESC F2 F3 F4 F1 TUNE MENU PROGRAMMABLE DRYER AIR HEATER CONTROL Control Band 05 00 PREV NEXT ESC F2 F3 F4 F1 PROGRAMMABLE DRYER GEN ALARM CONFIG Alarms Enabled PREV NEXT CHNG ENTER ALARM MENU F2 F3 F4 F1 WATER CALIBRATION H2O RTD CALIBRATION REF VALUE 63 9 ZERO SPAN NEXT ESC F2 F3 F4 F1 WATER ZERO H2O RTD ZERO CALIB ACTUAL VALUE 63 9 REF VALUE 63 9 CAL DONE F2 F3 F4 F1 WATER SPAN H2...

Страница 81: ...ODIFICATION F2 F3 F4 F1 NEW CODE ENTER THE NEW LOCK OUT ACCESS CODE REDO UNLOCK ESC F2 F3 F4 F1 TUNE MENU PROGRAMMABLE SLOWD AIR HEATER CONTROL Control Band 05 00 PREV NEXT ESC F2 F3 F4 F1 PROGRAMMABLE SLOWD GEN ALARM CONFIG Alarms Enabled PREV NEXT CHNG ENTER ALARM MENU F2 F3 F4 F1 WATER CALIBRATION H2O RTD CALIBRATION REF VALUE 63 9 ZERO SPAN NEXT ESC F2 F3 F4 F1 WATER ZERO H2O RTD ZERO CALIB AC...

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