Mitsubishi Electric GOT1000 Manuel d'utilisateur

Graphic Operation Terminal Training ManualGOT1000 basic course(for GT Designer2 Version2)GOT1000 basic course(for GT Designer2 Version2)Graphic Opera

(6) Relevant manuals The following table lists the relevant manuals for this product. Refer to this table as needed. Manual Title Manual Number (

5 - 28 (2) Bit switch settings 1) 1) Click the Dev... button in [Switch Action]. 2)3) 2) As the [Device] dialog box appears, set the devic

5 - 29 (3) Setting a display style 1) 1) Click the Others... button of [Shape] in [Display Style]. 3)2) 2) As the Image List dialog box app

5 - 30 (From previous page) 5)7)4) 4) Set the display style for OFF as follows: [Frame]: dark aqua [Switch]: dark blue [Background]: black [Pat

5 - 31 (4) Creating other bit switches Create a new switch by copying and pasting the switch created in step 2. Copy and paste a switch as desc

5 - 32 6) 6) Create two switches as described in (5) above. 7) Change the settings of switch created by copying/pasting as follows: Switch name

5 - 33 5.6 Operation check 1 Display the download screen of the project (select the [Communication] → [To/From GOT...] menu). After checking [Del

5 - 34 (3) Test 3 Perform the following tests in screen No. 1. Test object Item Line stop switch Operation lamp Operating time (numerical display

5 - 35 5.7 Comment display settings Two types of messages (comments) are displayed depending on the condition of devices. Describes the line ope

5 - 36 (2) Comment display (word) It is the function to display the comment corresponding to word device value. D100Display comment ofcomment No

5 - 37 5.7.2 Comment display settings by bit device (1) Click on the toolbar (Object) to place a comment on the object screen. (2) Comment di

(7) System Configuration in this Textbook Y40 Y5FY60 Y6FI/O panelBCD digital display (four digits x 2)Y5CY5FY58Y5BY54Y57Y50Y53Y4CY4FY48Y4BY44Y47Y4

5 - 38 (From previous page) 14)12)13) 12) Set comments to be displayed when the device is ON. Enter "Line in operation". 13) Select

5 - 39 (3) Settings on object screen Adjust the size of object frame so that all the comments are displayed. Create a frame for the comments. 1

5 - 40 5.8 Window screen creation Create a screen displayed over the base screen. Window screen No. 1 is displayed in Overlap window 1 here. Disp

5 - 41 (2) Creating window screen 2)3)4)1) Select the [Screen] - [New Screen] - [Window Screen] menu. 2) Enter "Sub screen" for [Sc

5 - 42 (3) Setting the time displayed on the window screen The current date and time is displayed on the GOT. 1)1) Click on the toolbar (Obje

5 - 43 Point (1) Date and time displayed by time display function The time display function represents the date and time of the GOT maintained b

5 - 44 5.9 System alarm settings Create Base Screen No. 2 and set the system alarm. Refer to section 4.5.3 for details for system alarms. The fol

5 - 45 (From previous page) Window screen No. 2 is displayed on the screen. (2) Setting a system alarm. 3)1) Click on the toolbar (Object

5 - 46 (3) Adjust the system alarm size. Adjust the size of system alarm so that all the system alarms are displayed. 1) Position the cursor ov

5 - 47 Remarks (2) Misalignment of object and figure (a) Centering the object in the figure Right click on the object to be realigned. Right

(8) Notes

5 - 48 (4) Creating a title text for the system alarm Enter "System alarm" in Text.

5 - 49 5.9.2 Go to screen switch settings Create a switch which can switch a base screen to another or display a window screen by touch operation.

5 - 50 (3) Setting the display (figure, color) of Go To Screen Switch. 1) 1) Set the Display Style of Go To Screen Switch as follows: "Sha

5 - 51 (4) Create Go To Screen Switch which displays Window Screen No. 1. Copy and paste the Go To Screen Switch to Base Screen No. 2 created abo

5 - 52 5.10 Operation check 2 Display the download screen of the project, and download all the data to the GOT. Reset the PLC CPU using the RESET

5 - 53 (3) Test 3 Perform the following tests in screen No. 1. Test object Item Line stop switch Comment display Touch operation It is touched w

5 - 54 (6) Test 6 Perform the following tests in screen No. 2. Test object Item Control screen switch 1) Touch operation Touch Screen state Swi

5 - 55 (9) Test 9 Perform the following tests in screen No. 1. Test object Item Window screen 1) Touch operation Touch x in the upper right corn

5 - 56 5.12 Method for checking devices using the created screen data To identify the device used for the created screen data, the Device List fu

6 - 1 Chapter 6 About Debug This chapter describes the debug function used for troubleshooting and maintenance of the PLC system. 6.1 Extended F

1 - 1 Chapter 1 What is the GOT? 1.1 About the GOT The GOT (Graphic Operation Terminal) can be used as an electronic operation panel that enables

6 - 2 Function Name Description Intelligent module monitor function Function to monitor and change the data of intelligent function module buffer

6 - 3 6.2 Training screen creation Add the following Base Screen No. 3 to the screen created in chapter 5. Base Screen No. 3 Bit lampTurns on dur

6 - 4 (From previous page) 3)(4)(3)(2)(1)2) 2) Place the numerical display, and make the settings as follows: [Basic tab] Device: D30 Number

6 - 5 7) 7) Copy and paste the touch switch created in section 5.5, change the width size, and make the settings as follows: [Basic tab] Device: M

6 - 6 6.2.3 Training device list and sequence program (1) Training device list Device Signal name GOT operationDevice Signal name GOT operation

6 - 7 6.3 Ladder monitor function 6.3.1 About the ladder monitor function (1) Features This is the function to monitor PLC CPU programs in the l

6 - 8 (3) Hardware and OS required for ladder monitor The following hardware and OS are required to use the ladder monitor. Required option funct

6 - 9 6.3.2 Operation check (1) Perform the following operation checks for screen No.3 created in section 6.2. (1) Test Perform the following te

6 - 10 6.3.3 Method for starting the ladder monitor function Utility call keysSimultaneous 2-point touch 1) Touch the upper left and upper right

6 - 11 (From previous page) 4) 4) Touch [Ladder Monitor]. 5)5) Touch NO when the screen as shown left appears. Otherwise, go to step 7).

1 - 2 1.3 GOT features (1) With its 256 colors, the color screen provides a sharp, clear display that yields a vivid, top quality image. Further,

6 - 12 (From previous page) 8)(1)(2) 7) The channel setting window appears. (1) Displays the names of communication drivers installed in the G

6 - 13 (From previous page) 13) 13) When the drive selection window appears, enter [0] in the drive (applicable memory) and touch the Enter key.

6 - 14 (From previous page) 19) The sequence program is displayed, and the ladder monitor function becomes available. 6.3.4 Method for factor

6 - 15 (From previous page) 3) 3) When the Menu window appears, touch the Xref. key. 4) 4) Touch the M key for the device name to select

6 - 16 6.3.5 Training screen modification Check the settings of touch switch (Operation/Stop) that turns on M31. 2) 1) Check the settings of tou

6 - 17 6.4 System monitor function 6.4.1 About the system monitor function (1) Features This function is able to monitor and test the devices o

6 - 18 (4) Hardware and OS required for system monitor function The following hardware and OS are required to use the system monitor. Required op

6 - 19 (From previous page) 4)4) Touch [System Monitor]. 5) 5) When the channel setting window appears, touch the "1" key. 6)

6 - 20 6.4.3 Operation check (device monitor operation) In this section, the following operation checks are performed regarding the training scre

6 - 21 (From previous page) 4) 4) Touch the ENTRY key. 5)6) 5) When the device registration screen appears, touch the key, move the cursor

1 - 3 (7) Parts overlay (Layer function) With the layer function, parts(objects/figures) can be superimposed, which increases design flexibility.

6 - 22 (From previous page) 11) 10) When registration is complete, return to the device registration screen. 11) Touch the AC key to clear the

6 - 23 (2) Operation procedure for test operation 1) 1) Touch the SET key on the device monitor screen. 2) 2) Touch the TEST key. 3) 3) Wh

6 - 24 (From previous page) 5)6) 5) Touch the key, and move the cursor to the device number. 6) Make the settings as follows and touch the En

6 - 25 (From previous page) 11)11) Touch the END key. 12) 12) When the Main menu screen appears, touch x.

6 - 26 (3) Operation check 3)2) 1) Display Base screen No. 3. 2) Check that the operating time indicates 7:59:50. 3) Touch the Preparation s

Appendix 1 Appendix Appendix 1 Alarm history display function Appendix 1.1 About the alarm This is the function to display the user-created comm

Appendix 2 (1) Alarm function types There are two types of alarm: alarm function and advanced alarm function. The advanced alarm function, an ext

Appendix 3 Appendix 1.2 About the alarm history display function (1) The alarm history display function The alarm occurrence time and comments a

Appendix 4 (2) Alarm collection mode Select either of the two collection modes, historical mode or cumulative mode. • Historical mode In this mo

Appendix 5 (4) Restrictions and setting positions when using this function Only one set device and its device name can be monitored for each proj

1 - 4 1.4 GOT function list The table below shows the list function for each GOT model.

Appendix 6 d) When the number of alarms occurred has exceeded the upper limit (when the collection mode is "Historical") In the case wh

Appendix 7 Appendix 1.3 Settings screen example This section describes screen setting examples that display detailed information using window scr

Appendix 8 Appendix 1.4 Alarm history display function settings (1) Select the [Object] - [Alarm History] menu. (2) Placement of alarm history

Appendix 9 (3) Settings for alarm history display ([Basic]/[Frame]/[Option] tab) Set the display format (number of rows/frame for alarm) for alarm

Appendix 10 Appendix 1.5 Alarm history display function switch settings Set the touch switches used for displaying/moving the cursor for alarm hi

Appendix 11 (2) Settings and functions of touch switch for alarm history display The type of touch switch for alarm history display can be change

Appendix 12 The types and the key codes for touch switches for alarm history display are listed in the following table. Switch name Functions K

Appendix 13 Remarks A touch switch for alarm history display can be created using the touch switch (key code switch) for key code. With a key cod

Appendix 14 Appendix 1.6 Detail display window screen creation Creating window screens No. 2 to No.5 for detail display. 1) Select the [Scree

Appendix 15 (From previous page) Window Screen No. 3 Window Screen No. 4 Window Screen No. 5 7) Repeat steps 1) to 6) to create Window Scree

1 - 5

Appendix 16 Appendix 1.7 Operation check Download all the data to the GOT from the download screen of monitor data. Reset the PLC CPU using the R

Appendix 17 Appendix 2 Data transfer to GOT by memory card It is possible to download the OS installation data and the screen data from a memory

Appendix 18 2) Memory → GOT The data can be installed/downloaded into the GOT in either of the following two methods. • How to Install while the

Appendix 19 Appendix 3 About the FA transparent function The FA transparent function allows the sequence programs of the Mitsubishi PLC to be rea

Appendix 20 Appendix 3.2 Procedures up to accessing This section describes the system configurations using the following connection examples: •

Appendix 21 (2) Cable connection 1) Connection method for bus connection cable Connect the bus connection cable to the bus connection unit on th

Appendix 22 (From previous page) 6)3), 4)3)8)3) Set [Connection Setup]. PC side I/F: Serial USB PLC side I/F: PLC module Other station: No spec

Appendix 23 (b) Monitoring PLC by GX Developer 1)1) In GX Developer, select the [Online] → [Monitor] → [Monitor Mode] menu. 2) Monitoring

Appendix 24 Appendix 3.3 About the restrictions This section describes the restrictions of the FA transparent function. Refer to the GOT1000 Seri

Appendix 25 (4) Software available on one personal computer When multiple kinds of software are activated on one personal computer, only one of th

1 - 6 1.5 Applicable connection type between the GOT and the PLC CPU The GOT can perform monitoring by connecting it to the PLC using the followi

Appendix 26 Appendix 4 Boot OS installation This section describes the procedures for installing the Boot OS in the GOT. Point (1) Boot OS is

Appendix 27 Point Checking method for the version of Boot OS and OS The versions of Boot OS or OS currently installed in the GOT can be displayed

Appendix 28 Appendix 5 Screen data upload This section describes the procedures for saving the screen data being written to the built-in memory o

Appendix 29 (From previous page) 7) 7) Click the Get Latest button. 8) As the confirmation that the drive information was acquired appears, c

Appendix 30 Appendix 6 Glossary This glossary explains the terms used in this document. All entries are in alphabetical order A Access key A

Appendix 31 B Backlight This is a fluorescent lamp that shines light from the rear of an LCD in order to display with the LCD. Base screen The

Appendix 32 Communication driver This is one type of software (OS) for communicating with the PLC. There is a dedicated communication driver for e

Appendix 33 Display Method The display color, operations, etc. can be changed for each specified range. The display area corresponding to monitor

Appendix 34 F Falling (trigger) This is the status when the devices goes from ON to OFF. With a GOT, the condition established just once at th

Appendix 35 Install To register application software on a PC or GOT The GOT OS is installed on the GOT from GT Designer2. This function is called t

1 - 7 (4) MELSECNET/10 connection GOT can be connected to the network as a normal station of the MELSECNET/10 (PLC to PLC network). The cyclic dat

Appendix 36 ISO9001 ISO9000 covers a series of standards from the International Standard Organization. These are international standards prescribin

Appendix 37 Menu bar The menu bar is positioned one row beneath the application window title bar. Message display Displays explanations of operatio

Appendix 38 Operating System (OS) Generally, this means the basic software for computers, etc. This is the software for running programs created by

Appendix 39 R Recipe The recipe function writes and reads the values of devices specified by the PLC CPU according to the specification conditi

Appendix 40 Screen switching This switches between the GOT base screen and window screen. To switch between the screens, the word device for base a

Appendix 41 Special internal relay (M)/special relay (SM) These are internal relays (M) with determined applications in the PLC. A variety of infor

Appendix 42 Timer (T) This is a device that has the function of operating the timer coil after the specified time (timer setting value). The object

Appendix 43 W Window screen A pop-up screen that appears over the base screen. A window screen can be closed by touching the button at the top

Appendix 44 Notes

1 - 8 (7) Applicable connections with third party PLCs GOT can be connected to third party PLCs. The system construction without regarding to P

Graphic Operation Terminal Training ManualGOT1000 basic course(for GT Designer2 Version2)GOT1000 basic course(for GT Designer2 Version2)Graphic Opera

1 - 9 1.6 Equipments required for using GOT The equipment required to connect the GOT to the PLC CPU is shown below. (The illustration shows GT15

1 - 10 Personal computer The personal computer is for creating and downloading the GOT1000 screen data. Item Description PC PC/AT compatible per

1 - 11 GT Works2 and GT Designer2 (CD-ROM) Product NameProducts included GT Works2 Version GT Designer2 Version GT Designer2 Creates screens

1 - 12 Notes

2 - 1 Chapter 2 GOT Operation GOT enables reading and writing to PLC CPU device memory (bit, word) with the switches, lamp display, numerical dis

2 - 2 <Action description> (GOT)(PLC CPU)M0Y10Y10M1 Y10K123MOVD10Turns ON.StopData 0Touch.Operation LampOperation (1) While the touch switc

2 - 3 2.2 Entering numerical values into PLC CPU 2.2.1 Numerical input function The function that writes an arbitrary numerical value into a spe

2 - 4 2.2.2 How to operate numerical input D100100D200100 Touch the numerical input to be input. D100200D2001000 Input the numerical value on the

2 - 5 2.3 Switching the screen to be displayed 2.3.1 The screen type The GOT1000 comprises the following screen types. Production status screen

Safety Precautions (Make sure to read before training) When designing a system, always read the relevant manuals and give due consideration

2 - 6 Remarks • Maximum of 32767 screens of both the base screen and the window screen can be created. Maximum of 4096 base screens and 1024 win

2 - 7 2.3.3 Base screen switching with the sequence program GOT display screen is switched when the screen switching device value is written with

2 - 8 2.3.4 Base screen switching with the touch switch GOT display screen is switched when the screen switching device value is written with the

2 - 9 2.3.5 Window screen display and switching The window screen is displayed by writing the same No. as the window No. of the screen to be disp

2 - 10 Notes

3 - 1 Chapter 3 About GT Designer2 3.1 About GT Designer2 The screens displayed in the GOT are designed with the GT Designer2. Drawing is to plac

3 - 2 (1) Easy understanding of the overall project (workspace) The overall project settings are displayed in a tree structure. It is convenient

3 - 3 (7) Easy confirmation of images with preview. Display images that are the same as those for GOT (language switching, security level changin

3 - 4 3.3 How to use the online manual The online manual is contained in the product CD-ROM in PDF data. To view the PDF data, Adobe® Acrobat® R

3 - 5 Remarks The online manual can be viewed from the Start menu or GT Designer2 Help after installation of the GT Manual to the personal comput

Revision History * The textbook number is indicated on the back cover in the lower left corner. Print date * Textbook number Revision details Ma

3 - 6 3.3.2 Reading the online manual from the GT Designer2 Help With Help, the GT Designer2 PDF manuals can be viewed and the software version c

4 - 1 Chapter 4 From GOT Screen Creation up to the Test 4.1 Preparation before using the GOT The procedures up to monitor the PLC by the GOT is

4 - 2 4.2 Screen creation 4.2.1 Project creation Projects comprise all the data and settings displayed in one GOT. The screens displayed in the GOT

4 - 3 (1) System settings for GOT The GOT type to be used and the color are set. 1)2) 1) When the left screen appears, set the GOT type and the

4 - 4 (From previous page) 6)5) 5) When the left screen appears, set the communication driver as follows. Communication driver: Bus connection

4 - 5 (From previous page) 10)10) The left screen is displayed. Confirm the settings. Click the Next button. (3) Setting of Screen Switch Dev

4 - 6 (From previous page) (4) Screen property The base screen is created. 1) The Screen Property dialog box is displayed. Set the base scree

4 - 7 4.2.2 Communication Settings Point Settings described in this section are not required when settings are made on the new project wizard (Sec

4 - 8 (From previous page) (3) When the left screen appears, check [Use Communication Settings]. With the Communication Settings, perform the

4 - 9 (From previous page) • CH No. ····· Select a CH No. that matches the usage. 0 : not used 1 to 4 : FA device, for microcomputer setti

(1) Introduction About the manuals···············································································································

4 - 10 Point Settings including QCPU (Q mode) Stage No. and Slot No. With a bus connection, the PLC CPU recognizes the GOT as a 16 I/O point intel

4 - 11 4.2.3 Screen switching device settings This section explains screen switching device settings. Set the base screen switching device to &quo

4 - 12 (From the previous page) 5)4) The screen switches. 5) Click the Dev… button and set the base screen screen switching device. 9)7)8

4 - 13 Remarks • Screen switching device settings With the screen switching device, refer to the following to set the devices to be used. 1) GO

4 - 14 4.2.4 Data reading In this section, training is performed using screen data prepared beforehand. (Specific creation methods for screen data

4 - 15 (From previous page) 2)2) When the dialog box appears, click , and then click "3½ Floppy [A:]". 4)3)5)3) Select the file f

4 - 16 4.2.5 Saving the project data This section explains operations to save the created project data. This section explains with an example of s

4 - 17 4.3 Data transfer (PC to GOT) This section explains procedures for writing data created on GT Designer2 to the GOT. 4.3.1 Connection from

4 - 18 4.3.2 About data types transferred to the GOT To operate the GOT, it is necessary to transfer the following types of data to the GOT. Data

4 - 19 4.3.3 Communication settings Settings for communication between the PC and the GOT are performed. 1) Click on the [Communication] – [Comm

(2) 4.3.1 Connection from PC to GOT ·············································································································

4 - 20 4.3.4 OS installation This section explains operations for installing the communication driver and OS in the GOT as preparation before monit

4 - 21 (From previous page) 6) 6) When the Yes button is clicked, OS installation is executed. 7) After OS installation is completed, click th

4 - 22 4.3.5 Screen data download This section explains operations for downloading the created screen data to the GOT. 1) Click on the [Communi

4 - 23 (From previous page) 5)4)3) 3) Check "Delete all old data in Project folder". When there is already screen data downloaded on

4 - 24 4.4 Connection to PLC CPU (bus connection) 4.4.1 Bus connection unit mounting For bus communication, a bus connection unit must be mounte

4 - 25 4.4.2 Connecting the cable This section explains connection procedures for connecting the GOT and PLC CPU with the bus connection cable.

4 - 26 4.5 Checking that GOT is communicating normally with the PLC 4.5.1 Checking the OS With the GT Designer2, check that the OS is properly in

4 - 27 4.5.2 Checking that the GOT recognizes the connected equipment Check, that the GOT recognizes the connected equipment with the GOT utility

4 - 28 Point When the target communication driver is not set, perform one of the following operations. (1) Change the communication driver setti

4 - 29 4.5.3 System alarm The system alarm is a function used to display error codes and error messages when error occurs in the PLC, GOT, servo am

(3) 6.3 Ladder monitor function····················································································································

4 - 30 4.6 Executing the monitor Operate the screen downloaded to the GOT, and monitor the PLC. GOT Operation Image Displays the value of D100.Ad

4 - 31 (2) Monitoring/changing the word device (D100) values 1) 1) Each time the Numeral Increase switch is touched, the D100 value increases.

4 - 32 Notes

5 - 1 Chapter 5 Drawing Fundamentals This Chapter 5 explains how to create screens on the GOT. The screen data created in this chapter works with

5 - 2 5.1 Before creating the screen 5.1.1 Operations before creating the screen Set the project using the New Project Wizard in the following man

5 - 3 5.1.2 Figure drawing This section describes how to draw figures and how to edit the figures arranged on the screen. (1) Types of drawable f

5 - 4 (2) Drawing line, rectangle, and circle This section describes how to draw a line using an example. 1)1) Click on the toolbar (Figure).

5 - 5 (3) Drawing polygon and line free form This section describes how to draw a polygon using an example. 1) 1) Click on the toolbar (Figure

5 - 6 (From previous page) Start pointSecond pointThird point 5) Click the left mouse button at the third vertex. Repeat this procedure to incr

5 - 7 (4) Drawing arc and sector This section describes how to draw an arc using an example. 1) 1) Click on the toolbar (Figure). Drawing sec

(4) Introduction This textbook is a "basic edition". Practice how to use Mitsubishi Graphic Operation Terminal exercising the training i

5 - 8 (From previous page) Start point of arc 5) Drag and move the cursor to define the starting point of arc. Start point of arcEnd point of

5 - 9 (5) Text settings This section describes how to set a text (input a text). 1) 1) Click on the toolbar (Figure). 2) Click the left mo

5 - 10 (From previous page) 4)5) 5) Enter a character string. Enter "GOT1000 series" here. 6) After entering the character string, c

5 - 11 (6) Selecting data for editing This section describes how to select the desired figure/object for editing. 1)1) Click on the toolbar (

5 - 12 (7) Changing attribute Change the attribute of the created figure on the property sheet. This section describes how to change the color for

5 - 13 To change attributes other than the pattern figure color, use the following items of the property sheet. 1)2)3)4)5)6) 1) Line Style Select

5 - 14 (8) Size change This section describes how to expand/reduce the size of figure/object. 1) Select a figure/object of which the size needs

5 - 15 (9) Moving selected data This section describes how to move the figure/object. 1) Select the figure/object to be moved. 2) Move the c

5 - 16 (10) Cutting/copying and pasting selected data This section describes how to cut, copy, and paste the figure/object. (a) Cut and paste

5 - 17 (b) Pasting This section describes how to paste the cut or copied figure/object using an example. 1) 1) Click on the toolbar (Main). 2)

(5) About the manuals Manual Selection The GOT manuals are classified according to objectives. Refer to the following table and then read the man

5 - 18 5.2 Text settings This section describes how to create actual screens. The following characters will be placed on Base Screen No.1. Crea

5 - 19 (3) Set the attributes for the entered characters. In [Text Style], the text display format can be selected. Standard:Solid:Bold:Raised:

5 - 20 5.3 Numerical input/numerical display settings This function is used to display or write the data stored in the devices of the controller.

5 - 21 Remarks (1) Placement of object The cursor changes to the placement mode (+) when the menu/icon for setting an object is selected. By cl

5 - 22 (2) Making basic settings 2)1) 1) Select "16-bit" for [Data Size]. 2) Click the Dev... button. 3) 3) Set "D10&quo

5 - 23 (4) Making settings on the screen 1) 1) On the figure drawing screen, create characters for title and unit. This completes the settings

5 - 24 5.3.2 Numerical display settings Making the settings of numerical display (D20) (1) Click on the toolbar (Object), and then click any pl

5 - 25 5.4 Lamp display settings This function is used to turn on/off the lamp depending on the bit device condition (on/off) or the value of wor

5 - 26 (From previous page) 4) 3) As the [Library Image List] dialog box appears, click "12 CNF006_G". (Clicking the button displays

5 - 27 5.5 Touch switch settings Make the settings for the switches which behave as follows when touched. • Bit Switch : Turns bit device ON/OFF