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Appendix A: System Data Types

Table 8:

System Integer Functions

System Integer

Function

Scan Time (mSec)

Current key pressed

7* LCD

contrast

8* Unit

LCD Backlight intensity

30*

Current second—according to RTC

31*

Current time—according to RTC

Current date—according to RTC

Current year— according to RTC

Current day— according to RTC

Modem Status: COM 1

Modem Error Code: COM 1

Modem Status: COM 2

Modem Error Code: COM 2

200*-201* Network

operands

236

Network communication error code

237

Network: failed unit ID

Содержание Vision 120 OPLC

Страница 1: ...User Guide 03 06 V120 21 G1 ...

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Страница 3: ...other than as recommended hereunder or other than that embodied in the Unitronics product Unitronics retains all rights to its proprietary assets including but not limited to its software products which are copyrighted and shall remain the property of Unitronics Copyright protection claimed includes all Forms and matters of copyrightable materials and information legally allowed including but not ...

Страница 4: ......

Страница 5: ...procedures and considerations Chapter 4 I Os Presents information regarding on board I Os and I O expansion modules Chapter 5 Communications Contains program download instructions as well as information on serial communications and CANbus networking including wiring Chapter 6 Information Mode Describes how to use Information Mode to view runtime values set timer values reset and initialize the con...

Страница 6: ... Wiring Considerations 15 On board I Os 15 I O Connectors 15 I O Connections 16 Wire Size and Specifications 16 I O Options According to Model 16 Digital Inputs 16 High Speed Counter Shaft encoder 16 Analog I Os 16 Digital Outputs 17 Installing I O Expansion Modules 17 Chapter 5 Communications 19 RS232 19 Downloading Your Program 20 Connecting the Controller to the PC 20 RS485 21 RS485 Network Ter...

Страница 7: ...ndards should perform tasks associated with the electrical wiring of this device Symbols are used to highlight information relating to the user s personal safety and protection of the equipment throughout this manual When any of the following symbols appear the associated information must be read carefully and understood fully Danger Symbols Symbol Meaning Description Titl Danger The identified da...

Страница 8: ...e applications for this equipment the user must assess the suitability of this product for specific applications Make sure to have safety procedures in place to stop any connected equipment in a safe manner if the controller should malfunction or become damaged for any reason Do not replace electrical parts or try to repair this product in any way Only qualified service personnel should open the d...

Страница 9: ...n a graphic LCD screen and a keyboard The LCD screen displays operator instructions alarms and real time variable system information via text and graphic images The operator uses the programmable keyboard to enter or modify data within the Vision controlled system This communication interface between the controller and operator is referred to as the HMI or Human Machine Interface throughout this m...

Страница 10: ...to the on board I Os the controller s I O expansion port enables up to 8 I O Expansion Modules to be connected to a single controller Note that I O technical specifications are provided in separate documents Communications Serial Communications The controller has 2 serial communication ports These may function in conjunction with either the RS232 or RS485 standard in accordance with the instructio...

Страница 11: ...nteger and timer values times and dates I O status and values and text from the variable text display list Variables can also use a graphic image or a bar graph to represent a value or range of values Up to 32 fonts may be included in a typical application A variety of languages are supported When the VisiLogic program is complete the programmer downloads it into the controller The data types in t...

Страница 12: ...comply with appropriate safety guidelines can result in severe personal injury or property damage Always exercise proper caution when working with electrical equipment Check the user program before running it Do not attempt to use the controller with voltage exceeding permissible levels Permissible voltage levels are listed in the technical specifications provided with your controller Install an e...

Страница 13: ...ting brackets each with a screw inserted for panel mounting These elements are illustrated in Figure 2 The kit also contains a black seal used for panel mounting the controller a CD ROM containing VisiLogic software used to program the controller a technical specification sheet and a programming communication cable Kits comprising CANbus ready models also contain a green plastic CANbus plug in con...

Страница 14: ...age cables and power equipment Leave a minimum of 10mm space for ventilation between the top and bottom edges of the controller and the enclosure walls Panel Mounting Before you begin note that the panel itself cannot be more than 5 mm 0 197 thick 1 Make a panel cut out that measures 92 x 92 mm 3 622 x 3 622 2 Check the seal that is placed over the back of the unit The seal must fit snugly against...

Страница 15: ...Chapter 2 Mounting 11 Figure 3 Panel Mounting the Controller When properly mounted the controller is squarely situated in the panel cut out as shown in Figure 4 Figure 4 Panel Mounted ...

Страница 16: ...ontroller onto the DIN rail as shown in Figure 5 Figure 5 Snapping the Controller on to the DIN Rail When properly mounted the controller is squarely situated on the DIN rail as shown in Figure 6 96mm 3 78 35mm 1 377 96mm 3 78 Figure 6 Proper DIN Rail Position ...

Страница 17: ... or Line signal of the 110 220VAC to the device s 0V pin In the event of voltage fluctuations or non conformity to voltage power supply specifications connect the device to a regulated power supply The wiring of this device is specifically designed to be safe and easy A technician or engineer trained in the local and national electrical standards should perform all tasks associated with the electr...

Страница 18: ...ection according to the figure below 4 Tighten enough to keep the wire from pulling free Figure 7 Power Supply Wiring Earthing the Power Supply To maximize system performance avoid electromagnetic interference by Mounting the controller on a metal panel Earthing the controller s power supply connect one end of a wire 14 AWG to the chassis signal connect the other end to the panel Note The wire use...

Страница 19: ...ence with input output lines used over an extended distance Please use wire that is properly sized for the current load Double check all the wiring before turning on the power supply Unused I O pins should not be connected Ignoring this directive may damage the controller On board I Os I O Connectors I O connection points are provided by external connectors at the top and bottom of the controller ...

Страница 20: ...that you use crimp terminals for wiring I O Options According to Model Technical specifications regarding specific I O configurations are supplied with your model controller Digital Inputs Depending on your controller model inputs may function at 12 or 24 VDC in accordance with wiring and jumper settings be set to pnp source or npn sink via a single jumper and appropriate wiring Input values are p...

Страница 21: ... and protect the controller from potential damage by reverse EMF connect a clamping diode in parallel with each inductive DC load an RC snubber circuit in parallel with each inductive AC load This is illustrated in Figure 8 Figure 8 Increase the Contact Life Span Installing I O Expansion Modules An adapter enables you to integrate I O Expansion Modules into the system You plug an I O expansion cab...

Страница 22: ... Guide 18 I O expansion port Earth PLC EX A1 Figure 9 Integrating I O Expansion Modules Exact instructions are provided with the adapter and I O Expansion Modules Turn off the power before installing I O expansion modules ...

Страница 23: ...ons connections Do not connect the controller directly to a telephone or telephone line Caution The RJ 11 type serial ports are not isolated note that communication signals are related to the controller s 0V this is the same 0V used by the power supply Ports must always be used with an appropriate adapter RS232 Via RS232 you can Download programs from a PC Communicate with external devices You can...

Страница 24: ...ion note that when a port is adapted to RS485 Pin 1 DTR is used for signal A and Pin 6 DSR signal is used for signal B as shown in Table 2 Downloading Your Program You can download programs via a direct cable connection between your PC and the controller The cable should not exceed 3 meters in length Connecting the Controller to the PC Connect the controller to your PC using the communication cabl...

Страница 25: ...DSR are not used Note that the ports are not isolated If the controller is used with a non isolated external device avoid potential voltage that exceeds 10V To avoid damaging the system all non isolated device ports should relate to the same ground signal Caution Use shielded twisted pair cables Minimize the stub drop length leading from each device to the bus Ideally the main cable should be run ...

Страница 26: ...RS232 RS485 Jumper Settings The tables below show how to set a specific jumper to change the functionality of the controller To open the controller and access the jumpers refer to the instructions on the next page Table 3 RS232 RS485 Jumper Settings COM 1 COM2 To use as JP1 JP2 aaaaaaa To use as JP5 JP6 RS232 A A RS232 A A RS485 B B RS485 B B Table 4 RS485 Termination Settings COM 1 COM2 Terminati...

Страница 27: ... 4 slots on the sides of the controller 3 Using the blade of a flat bladed screwdriver gently pry off the back of the controller as shown in Figure 11 Figure 12 Removing the Top PCB board 4 Gently remove the top PCB board a Use one hand to hold the top most PCB board by its top and bottom connectors as shown in Figure 12 b With the other hand grasp the controller while keeping hold of the serial p...

Страница 28: ...uired Figure 14 Replacing the Board 6 Gently replace the PCB board as shown in Figure 14 Make certain that the pins fit correctly into their matching receptacle a Do not force the board into place doing so may damage the controller 7 Close the controller by snapping the plastic cover back in its place If the card is placed correctly the cover will snap on easily ...

Страница 29: ...solation between CANbus and controller Yes Max Network Cable Length 1 Mbit s 500 Kbit s 250 Kbit s 125 Kbit s 100 Kbit s 50 Kbit s 20 Kbit s 25 m 100 m 250 m 500 m 500 m 1000 m 1000 m Note If you require cable lengths over 500 meters contact technical support Wiring Considerations Use twisted pair cable DeviceNet thick shielded twisted pair cable is recommended Network terminators These are suppli...

Страница 30: ...Vision120 OPLC User Guide 26 121 terminating resistor 121 terminating resistor Circuit protection device 24V Power Supply V L H V PE V L H V PE V L H V PE Figure 15 CANbus Wiring Diagram ...

Страница 31: ...ter Information mode press the i button on the Vision s keyboard down for several seconds 2 Enter your password The default password is 1111 This password remains in effect until you change it via the Information Mode screen described in the table below 3 The controller enters Information Mode showing the first category Data Types Caution The controller will block entry into Information mode until...

Страница 32: ...Vision120 OPLC User Guide 28 Figure 16 Navigating Information Mode Table 5 shows the categories of information that can be accessed in this mode ...

Страница 33: ...n input condition on an output status Outputs View output status Force output status to 1 FR1 or 0 FR0 Note that forced output values do not affect your program Set Reset output status Memory Bits View bit status System Bits Change bit status Set Reset Timers Enter a Preset Timer value View the current timer value and status by selecting the R T option Memory Integers View integer long integer dou...

Страница 34: ...starts your program Initialize the controller This restarts your program and initializes all values Time Date View the Real Time Clock RTC settings Note that the RTC settings control all time based functions Change the RTC settings via the controller s keyboard Unit ID The Unit ID number identifies a networked controller You can Change the ID number Serial Port 1 Serial Port 2 View and edit commun...

Страница 35: ...to the controller Both the FB name and its version are displayed Password New Set a New Password Hardware Configuration Check if I O Expansion Modules are installed Note that I O Expansion Modules are represented by letters Identical module types are represented by identical letters as shown below Shows if an on board I O or I O module is short circuited ...

Страница 36: ... on Expansion Module 5 is short circuited Shows that I Os on Snap in Module are not short circuited X no I O Expansion Module installed Identical letters signify identical I O Expansion Module types Figure 17 Information Mode Hardware Configuration ...

Страница 37: ...Is SLs and SDWs not listed are reserved for use by the system To obtain a complete updated list of system operands refer to the VisiLogic software Table 6 System Bit Functions System Bits SB Function 0 Always 0 1 Always 1 2 Power up bit 3 1 second pulse 4 Divide by zero 5 Output s short circuit 6 Keyboard is active 7 100 mS pulse 8 Battery low 30 HMI keypad entries completed 31 Refresh current LCD...

Страница 38: ...ision120 OPLC User Guide 34 Table 7 Keypad System Bit Functions System Bit SB Keypad Key System Bit SB Keypad Key SB 40 SB 49 SB 41 SB 50 SB 42 SB 51 SB 43 SB 52 SB 44 SB 53 SB 45 SB 57 SB 46 SB 47 SB 48 ...

Страница 39: ...ight intensity 30 Current second according to RTC 31 Current time according to RTC 32 Current date according to RTC 33 Current year according to RTC 34 Current day according to RTC 80 Modem Status COM 1 81 Modem Error Code COM 1 82 Modem Status COM 2 83 Modem Error Code COM 2 200 201 Network operands 236 Network communication error code 237 Network failed unit ID ...

Страница 40: ...ng Integer Functions System Long Integer Function 4 Divide Remainder signed divide function Table 10 System Double Word Functions System Double Word Function 0 10mS counter 4 Divide Remainder unsigned divide function 5 Output s short circuit bitmap ...

Страница 41: ...erator You assign functions to the keys when you write your software program Inputs Inputs receive signals from external devices such as switches push buttons and variable voltage signals from analog devices The inputs convert the voltage to signals that the PLC can process Outputs Outputs send signals from the PLC to external devices such as lights or contactor coils Outputs convert the PLC progr...

Страница 42: ...dder language and is written using the PLC s proprietary software All program instructions are executed in each scan cycle Last the outputs are updated with the new data The sample program below causes an alarm connected to output 1 to actuate whenever a gate connected to input 1 opens The command means that the status of the gate is checked at the beginning of each scan When the gate is open the ...

Страница 43: ...ening the Controller 23 Figure 12 Removing the Top PCB board 23 Figure 13 RS232 RS485 Jumpers Factory Default Settings 24 Figure 14 Replacing the Board 24 Figure 15 CANbus Wiring Diagram 26 Figure 16 Navigating Information Mode 28 Figure 17 Information Mode Hardware Configuration 32 Figure 18 PLC Scan 38 Tables Table 1 RS232 Pinout 20 Table 2 RS485 Pinout 21 Table 3 RS232 RS485 Jumper Settings 22 ...

Страница 44: ...Vision120 OPLC User Guide 40 Notes ...

Страница 45: ...41 ...

Страница 46: ...Vision120 OPLC User Guide 42 Notes ...

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