Bc-technologies M720 Dryer Control (DE, DP, DI Series) Manual do Utilizador Página 1

DryerM720 Programming and Operation ManualAugust 9, 2013Revision 1.41

When a drying or cool-down cycle is active, the adjusted drying or cool-down time is set atthe moment the drying or cool-down cycle starts. Sometimes

Table 2.1: Special key FunctionsItem Normal Function Shift Function5 START -6 STOP -10 SHIFT -9 ENTER CLEAR4 Select Program Single Cycle3 HOME SETUP7

Table 2.2: Display SymbolsIcon DescriptionPrimary Temperature SensorSecondary Temperature SensorInfra Red Temperature SensorHumidity SensingDrying Tim

Chapter 3OperationThe basic operation of the machine consists of the following steps:1. Select a drying program2. Starting the program3. Program runni

In this screen, a predefined program can be selected with the numeric buttons 0 to 9 or with theARROW UP and the ARROW DOWN buttons. The currently sele

3.1.4 Program OperationIn this phase the program cycle is running. A program cycle can be a drying step, a cool-downstep or both. When running, the 2n

on the lower display. If the machine is running, the lower line is used to display temperatures andtime left to finish cycle.Before starting the machin

sensor or a humidity sensor, the text DRYING will be toggled with the current automatic dryingvalue. Automatic drying means that the current drying me

and to notify the user that a program is finished and that the batch is ready to be taken out.If an alarm is active, the numeric display will toggle be

Chapter 4Programming4.1 Menu StructureIf a parameter setting needs to be changed, a counter needs to be read or reset or test programsneed to be run,

Contents1 Important Safety Information 11.1 FOR YOUR SAFETY - CAUTION! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Control Overview 2

Figure 4.1: M720 Menu Structure17

Table 4.1: M720 PasswordsLevel Password Description1 1234 Reset counters per programEdit program parametersEdit program nameTest outputs manually2 999

drying program has its own counters. The second and third set are for a counter set per day(Counters Per Day) and counter set with totals of all progr

• Running minutesThe number of minutes a program cycle has been active this day.It is not possible to reset the day counters. This is also not necessa

As the name suggests nonresettable counters cannot be reset. Also they are saved in EEPROMmemory and not in battery backed-up memory. This means that,

Figure 4.2: M720 Program Parameter Menu22

1. Drying methodThe standard controller is equipped with 1 temperature sensor – this parameter will not beavailable. If the machine is equipped with a

So, for example, if the temperature measured on the drum sensor (the standard temperaturesensor) is 63oC and this parameter is set to 5oC, the batch i

14. Drum stop timeIf the machine is equipped with a reversing drum motor, and program parameter 13 is set toreversing, this parameter allows the time

Changing the character where the cursor is on can be done with the numeric keypad, in more orless the same way text messages are created on cell-phone

4.3 Delayed Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184.4 Counter Menu . . . . . . . . . . . . . . . .

Figure 4.3: M720 Program Naming Menu27

Figure 4.4: M720 Machine Parameter Menu28

1. Tmp in fahrenheitSet this parameter to YES if all temperature settings and displays should be displayed inFahrenheit units instead of Celsius. If t

Every controller in a network must be programmed to the same communication speed. Incases where long cables are used to connect controllers to the net

13. Del. check airflowWhen a program is started the controller will check if the airflow switch (input 3) is in the offposition. After that the blower w

4.6.2 View Status of OutputsThe View status of outputs screen can be used to check if the controller board is activating anoutput. Viewing the status

4.7 System Setup MenuThe System set-up menu is a menu with items which are not directly related to the control func-tions of the machine itself but de

4.7.3 Restore Factory SettingsRestoring factory settings should normally not be necessary because all parameters are stored innon- volatile memory, wh

4.8 Alarm HistoryThe alarm history list can be viewed by selecting Alarm history in the main menu. The alarmhistory is a list with the last 50 alarms,

to confirm change, followed by after all changes are made.The following configuration parameters are available:1. Startup logo nr.When the controller st

Chapter 1Important Safety Information1.1 FOR YOUR SAFETY - CAUTION!WARNING: For your safety the information in this manual must be followed to minimiz

• Value 0: Output on when a drying cycle or cool-down cycle is busy. In this case theoutput will be switched on when a drying cycle starts and will sw

of the manual is being used as a reference. This information must also be provided with eachsupport request.38

Chapter 5AlarmsIf the machine detects an alarm or a warning a message will be displayed on the 2ndline of theoverview screen. In some cases, the numer

The input for the error of the frequency inverter (input 11) is configured to be a pulse traininput. This means that the controller must detect a certa

Also please note that if the lint filter door or drawer is opened when a program is runningthe air flow will change which can also cause the switch to o

means it cannot determine if the batch is dry. The machine is still able to run if the humiditysensor is broken, but it cannot run on automatic drying

Chapter 6Default Settings and Default Programs6.1 Default ValuesBecause the programmed language can vary, no default program names are set, except for

Table 6.2: M720 Factory Default ProgramsProgram Drying Time Drying temperature1 40 167oF / 75oC2 30 140oF / 60oC3 30 113oF / 45oC4 40 140oF / 60oC5 25

Chapter 7M720 Input / Output MappingTable 7.1: Connector J7 PinoutPin Point Function1 Input 1 Door2 Input 2 Lint Door3 Input 3 Air Flow4 Input 4 Overl

Figure 7.1: M720 Connector MappingTable 7.3: Connector J9 PinoutPin Point Function1 Input 9 Over Heat2 Input 10 E-Stop3 Input 11 Drive Error4 Input 12

Chapter 2Control OverviewThe M720 is a user configurable microprocessor controller used to control dryers. Because of theversatility of the software, i

Table 7.4: Connector J10 PinoutPin Point Function1 Output 1 Common2 Output 1 Cooldown Damper3 Output 2 Status4 Output 3 Heat Recirculation Damper5 Out

• Power supply monitoring.• Full worldwide character set, including Chinese, Japanese, Thai, Russian, Arabic and Greekcharacters.• Stores up to 50 dif

Figure 2.1: M720 Display and Keypad Detail4

A pre-defined drying program or a single cycle program can only be chosen if there is noactive drying cycle, a cool-down cycle or when a program is fini

Pushing the ENTER key without the SHIFT key (see item 10) means enter or accept. If the keyis pressed in combination with the SHIFT key (see item 10),