NT21_Setup Manual (V068-E1-1) (986757), страница 25
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The settings made last will be set and the NT21 will return tothe MAINTENANCE MODE MENU screen.If the combination of settings for serial port A and serial port B is not allowed, anerror message (indicating that the protocol settings are incorrect) will be displayed when the Quit touch switch is pressed. In this case, correct the settingsto a combination that is allowed.• To quit the memory switch setting screen without confirming the settings, pressthe Abort touch switch. The NT21 will return to the MAINTENANCE MODEMENU screen with the previous settings still in effect.6-8Starting OperationAfter completing screen data transmission and setting the communicationconditions, connect the NT21 to the host and start operation.Note Check the operation of all screen data and host programs carefully before usingthem.
If incorrect, the system may operate unpredictably.Switching to the RUNMode and StartingOperationPress the Quit touch switch on the System Menu screen or other screen. TheNT21 switches to the RUN mode and starts operation.133SectionSystem Settings6-9The operation at the start is as follows.Display of the System Initialization ScreenWhen establishing the communication with a host, the System initializing character string is displayed on the screen.
If the communication with the host cannotbe established, the System initializing screen remains up. If this is the case,check the settings at the host and the PT side, the cables and wiring.In addition, creating screen number 9000 enables the display of a screen otherthan the System initialization screen.Transmission of the Contents of Memory TablesIf the Resume Function memory switch is set to ON, or if the initial values of thememory tables are used, the contents of the numeral/character-string memorytables are copied to the allocated words at the host.↓Display of the Startup ScreenThe startup screen is displayed on reading the contents (screen number of thescreen to be displayed) of the first word of the PT Status Control Area.If the contents are not correct for a screen number, or there is no data registeredfor the set screen number, an error message is displayed.CheckingCommunicationsbetween the NT21 andthe HostExecute the host program and confirm that the following operations are performed normally.• Confirm that the NT21 screens switch in accordance with the host program.If the screens do not switch correctly, check the connection between thehost and the NT21, and also check if the hardware settings are correct.
Fordetails, refer to Section 4 Connecting to the Host from the RS-232C Port, orSection 5 Connecting to the Host from the RS-422A/485 Port.• Confirm that the operation results of touch switch and numeric value/characterstring input at the NT21 are sent to the host correctly by displaying the contentsof the host words and bits using a Programming Device (e.g., CX-Programmer).If the results of operations at the NT21 are not sent to the host correctly,check the setting of the display elements. For details on setting display elements, refer to the description of each display element in the ReferenceManual.6-9System SettingsThe NT21 supports a variety of functions that are convenient during operation tobe set with memory switches.
This section describes the memory switch settingsrelating to the operation environment.Since the memory switch settings are backed up to the flash memory by the battery in the NT21, they are not cleared when the power is switched OFF.6-9-1 Memory Switch Setting ScreensThere are four memory switch setting screens. The required screen can be displayed by using the [ ] (next screen) and [ ] (previous screen) touch switches.134SectionSystem Settings6-9The following diagrams show how to display the memory switch setting screensand move between the screens.Select Maintenance Mode.Select Memory Switch.[ ] (next screen)[ ] (previous screen)(next screen) [ ][ ] (previous screen)(next screen) [ ][ ] (previous screen)[ ] (next screen)[ ] (previous screen)Memory Switch SettingsA list of the memory switch settings is presented below.• Start-up Wait Timepage 136• Key Press Soundpage 136• Buzzer Soundpage 137• Battery Checkpage 137• Screen Saver Movementpage 138• Screen Saver Startup Timepage 138• Hist.
Disp. Methodpage 139• Resume Functionpage 140135SectionSystem Settings6-9• Comm. Auto-returnpage 141• Time-out Intervalpage 142• Retry Countspage 142• Comm. A Methodpage 125(For the bar code reader, refer to page 144.)• Comm. B Methodpage 125For details on each setting, refer to the pages indicated.6-9-2 Setting the Start-up Wait TimeThe Start-up Wait Time is the time lapse until the NT21 switches to the RUNmode after it has been turned ON. Set this item if it takes some time for the host tostart operation. Nothing is displayed during the Start-up Wait Time.The setting range is 0 to 10 seconds. The default (factory) setting is 00sec.Set the system start-up wait time with the first Memory Switch Setting Screen(1/4) as shown below. (Refer to 6-9-3 Memory Switch Setting Screens for detailson displaying the Screen.)Press Start-up Wait Time to display the required time lapse.The setting option changes each time thetouch switch is pressed, according to the following sequence.01 02 03 ....
09 10 00 01 ....To set other memory switches, select the relevant screen using the [ ] (nextscreen) or [ ] (previous screen) touch switch, then make the setting.• To confirm the settings and quit the memory switch setting screen, press theQuit touch switch. The settings made last will be set and the NT21 will return tothe MAINTENANCE MODE MENU screen.• To quit the memory switch setting screen without confirming the settings, pressthe Abort touch switch. The NT21 will return to the MAINTENANCE MODEMENU screen with the previous settings still in effect.6-9-4 Setting the Key Press SoundIt is possible to set whether or not the key sound is sounded when a touch switchon the NT21 screen is pressed.• ON: When a touch switch is pressed, the key sound sounds for 0.2 seconds.• OFF: The key sound does not sound when touch switches are pressed.The default (factory) setting is ON.Turn the key-press sound ON and OFF with the first Memory Switch SettingScreen (1/4) as shown below.
(Refer to 6-9-5 Memory Switch Setting Screensfor details on displaying the Screen.)Press Key Press Sound to display ON orOFF.The setting option changes each time thetouch switch is pressed.136SectionSystem Settings6-9To set other memory switches, select the relevant screen using the [ ] (nextscreen) or [ ] (previous screen) touch switch, then make the setting.• To confirm the settings and quit the memory switch setting screen, press theQuit touch switch. The settings made last will be set and the NT21 will return tothe MAINTENANCE MODE MENU screen.• To quit the memory switch setting screen without confirming the settings, pressthe Abort touch switch. The NT21 will return to the MAINTENANCE MODEMENU screen with the previous settings still in effect.6-9-6 Setting the Buzzer SoundThe NT21 has a function for sounding a buzzer in response to a command fromthe host, or when an error occurs. It is possible to set whether or not the buzzeractually sounds with the memory switches.• ON:The buzzer sounds in response to commands and when an error occurs.• OFF:The buzzer does not sound in response to commands or when errors occur.• ERROR ON:The buzzer sounds only when an error occurs.The default (factory) setting is OFF.Reference:S There are other commands and settings relating to the buzzer, but thismemory switch setting has the highest priority.S For details on the buzzer, refer to 2-15-5 Buzzer Function in the ReferenceManual.Set the buzzer sound with the first Memory Switch Setting Screen (1/4) asshown below.
(Refer to 6-9-1 Memory Switch Setting Screens for details on displaying the Screen.)Press Buzzer Sound to display ON, OFF,or ERROR ON.The setting option changes each time thetouch switch is pressed.To set other memory switches, select the relevant screen using the [ ] (nextscreen) or [ ] (previous screen) touch switch, then make the setting.• To confirm the settings and quit the memory switch setting screen, press theQuit touch switch. The settings made last will be set and the NT21 will return tothe MAINTENANCE MODE MENU screen.• To quit the memory switch setting screen without confirming the settings, pressthe Abort touch switch. The NT21 will return to the MAINTENANCE MODEMENU screen with the previous settings still in effect.6-9-7 Setting a Battery CheckAn optional Battery can be connected to the NT21 to back up memory table contents, screen display/alarm history data, recipe data, and other data when poweris turned OFF.
When a Battery is connected, always turn ON the “Battery LowCheck” memory switch.ON:Battery checked.OFF: Battery not checked.137SectionSystem Settings6-9The default setting is OFF.Reference:S The Battery is optional for the NT21 and is sold separate. No Battery isinstalled at the factory.S Do not turn ON the the “Battery Low Check” memory switch when a Battery isnot installed. The battery low indicator will remain ON constantly.S Bit 13 (Battery Status) in the PT Status Notify Bits in the PT Status Notify Areawill turn ON when the Battery voltage drops.S The status of the Battery can also be checked by selecting “Battery” from theDevice Check menu. This item can be used to check the status of the Batteryregardless of the setting of the “Battery Low Check” memory switch.To set other memory switches, select the relevant screen using the [ ] (nextscreen) or [ ] (previous screen) touch switch, then make the setting.• To confirm the settings and quit the memory switch setting screen, press theQuit touch switch.
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