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LG Electronics
120S
3) Input wiring
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Chapter 6
Input and Output Specification
6-3
3) Input wiring
Main unit’s wiring method is as follows. DC input specificati
ons offered by MASTER-K120S is to be used for both electric
current sink and electric current source.
(1) Main unit
DC24V
DC24V
Contents
Main
Users Manual
MASTER-K 120S series
WARNING CAUTION
Page
SAFETY INSTRUCTIONS
Installation Precautions
SAFETY INSTRUCTIONS Wiring Precautions
SAFETY INSTRUCTIONS Startup and Maintenance Precautions
Disposal Precaution
Revision History
Contents
Page
Page
Page
Page
Chapter 1. General
1.1 Guide to Use This Manual
Page
1.3 Terminology
Page
Chapter 2 System Configuration
Chapter 2. System Configuration
2.1.1 Basic system
Page
Page
Chapter 2 System Configuration
CPU
Chapter 2 System Configuration
2.2.2 K120S Series System Equipment Product
1) Main Unit Standard type
2) Main Unit Economic type
3) Expansion Modules
Chapter 3 General Specifications
Chapter 3. General Specifications
3.1 General Specifications
Chapter 4. Names of Parts
4.1 Main Unit
Page
Page
Page
Page
Page
Page
Chapter 4 Names of Parts
4.2 Expansion I/O Module
Page
Chapter 4 Names of Parts
4.3 Special Module
4.3.1 A/DD/A Combination Module
Page
Page
Chapter 4 Names of Parts
4.4 Communication I/F Module
Chapter 4 Names of Parts
4.5 Option Module
Chapter 5 Power Supply / CPU
Chapter 5. Power Supply / CPU
5.1 Power Supply Specifications
Chapter 5 Power Supply / CPU
5.2 CPU Specifications
Page
Page
Page
Chapter 5 Power Supply / CPU
5.3 Operation Processing
5.3.1 Operation Processing Method
1) Cyclic operation
Chapter 5 Power Supply / CPU
2) Interrupt operation method
5.3.2 Operation Processing at Momentary Power Failure Occurrence
1) Momentary power failure within 10 ms
2) Momentary power failure exceeding 10 ms
Chapter 5 Power Supply / CPU
5.3.3 Scan Time
1) Expression for scan time
2) Flags
Chapter 5 Power Supply / CPU
5.3.5 Timer Processing
1) On delay timer
2) Off delay timer
3) Integral timer
5) Retriggerable timer
Chapter 5 Power Supply / CPU
5.3.6 Counter Processing
1) Up counter (CTU)
2) Down counter (CTD)
3) Up-down counter
4) Ring counter
5) Maximum counting speed
t
times/sec)(
1 100
5.4 Program
5.4.1 Classifications of Program
5.4.2 Program Execution Procedure
Chapter 5 Power Supply / CPU
1) Scan program
2) Interrupt program
5.4.3 Interrupt Programs
1) Usage of interrupt program
Page
Chapter 5 Power Supply / CPU
5.4.4 Error Handling
1) Error Classification
2) Operation mode at error occurrence
Page
Chapter 5 Power Supply / CPU
5.5 Operation Modes
5.5.1 RUN Mode
1) Processing when the operation mode is changed.
2) Operation processing contents
Chapter 5 Power Supply / CPU
5.5.2 STOP mode
1) Processing when the operation mode is changed.
2) Operation processing contents
5.5.3 PAUSE mode
Chapter 5 Power Supply / CPU
3) Debug operation conditions
4) Operation method
5.5.5 Operation Mode Change
1) Operation mode change methods
3) Mode change Remote operation
5.6 Functions
Page
Page
2) Special data register for forced I/O
3) Force on/ off Processing timing and method
Chapter 5 Power Supply / CPU
5.6.3 Direct I/O Operation function
5.6.4 System error history
1) Special data register for error history
2) Description of each word
5.7 Memory Configuration
5.8 I/O Address Allocation
1) I/O No. allocation method
Chapter 5 Power Supply / CPU
5.9 Built-in Cnet Selection Switch
5.9.1 Structure
5.9.2 Usage
Page
Chapter 5 Power Supply / CPU
5.10 External Memory Module
5.10.1 Structure
5.10.2 Usage
1) Saving the users program on the external memory module.
2) Run the PLC with a program of external memory module
Chapter 5 Power Supply / CPU
5.11 RTC Module
5.11.1 Structure
5.11.2 Usage
1) Read RTC data
2) Write RTC data
3) Date expression
6.1 Input / Output Specifications
AC 125V r/load DC 30V r/load AC 250V r/load
Chapter 6 Input and Output Specification
6.2 Digital Input Specification
6.2.1 Main unit
1) Specification
2) Circuit diagram
3) Input wiring
4) Example of external devices.
Chapter 6 Input and Output Specification
6.2.2 Expansion Module
1) Specifications
2) Circuit diagram
3) Input wiring
6.3 Digital Output Specification
6.3.1 Main unit (Relay Output)
2) Circuit
3) Output wiring
Chapter 6 Input and Output Specification
6.3.2 Main unit (TR Output : DRT/DT type only)
2) Output wiring
Chapter 6 Input and Output Specification
6.3.3 Expansion Module
1) Specifications
2) Circuit
Page
Chapter 7 Usage of Various Functions
Chapter 7. Usage of Various Functions
7.1 Built-in Functions
7.1.1 High-speed counter function
1) Performance Specifications
Page
Page
6) Wiring example
Pulse Generator CHSC
Pulse Generator
CHSC
7) Instruction(HSCST)
8) Parameter Setting
Page
Page
Page
Page
Page
9) Programming example
Page
Chapter 7 Usage of Various Functions
7.1.2. Pulse Catch Function
1) Usage
2) Minimum input pulse width.
Page
Chapter 7 Usage of Various Functions
7.1.3 Input Filter Function
1) Usage
2) Operating Explanation
3) Using method
Chapter 7 Usage of Various Functions
7.1.4 External Interrupt Function
1) Usage
2) Minimum processing time.
3) Operating explanation
5) Usage
Chapter 7 Usage of Various Functions
7.1.5 PID control function(Standard type only)
1) Introduction
2) Specification
[]
PVSVKpMV = where, Kp : the proportional constant (gain), SV: set value, PV: present value
=Edt Ti
Kp MV
Page
dE TdKpMV =
Page
[]
Page
Page
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Page
Chapter 7 Usage of Various Functions
Ts
e K
5) instruction
Page
6) Program Example
Page
Page
Page
Page
6) Error code list
7-39
Remark
7. 2 Special module
The special module and allocated data registers are as followings.
RTD input module store digital conversion value of temperature value to data registers as below
1
)
Chapter 7 Usage of Various Functions
7.2.1 A/DD/A Combination module
Page
Page
Page
Chapter 7 Usage of Various Functions
4) Wiring
+
5) I/O converstion characteristics
Page
6) Program example
Page
Chapter 7 Usage of Various Functions
7.2.2 A/D Conversion module
1) Performance specifications
7-50
The Names of parts and functions of the analog input module are following. No Contents
3) Parameter setting
4) Wiring
5) Analog/Digital conversion characteristics
6) Program example
Page
Chapter 7 Usage of Various Functions
7.2.3 D/A Conversion module
1) Performance specifications
Chapter 7 Usage of Various Functions
7-56
G7F DA2I G7F DA2V
Page
5) Scaling function
6) Wiring
7) Digital/Analog conversion characteristics
8) Program example
Chapter 7 Usage of Various Functions
7.2.4 Analog timer
1) Performance specification
3) Program example
Chapter 7 Usage of Various Functions
7.2.5 RTD input module(Standard type only)
3) Parameter setting
4) Digital conversion value register
5) Error code ( D4880D4885 )
6) Temperature conversion characteristics
8) Burn-out detection function
9) Wiring
10) Program example
Chapter 7 Usage of Various Functions
7.3 Positioning Function(DRT/DT type only)
7.3.1 Specification
2) Output Specification(P40, P41)
3) Names of wiring terminal
Page
Chapter 7 Usage of Various Functions
1) Positioning function
(2) Speed Control (Uniform Speed Operation)
2) Operation pattern
3) Operation Mode
Page
Page
4) Operation Method
5) Positioning start
6) Positioning stop
7) Return to Origin(POSORG : Rising edge )
(2) Origin Detection when Approximate origin turns off
Page
9) Speed Override Command(POSSOR : Rising edge ))
10) External Input Stroke High/Low Limit
12) Error and Output Prohibition
Chapter 7 Usage of Various Functions
7.3.3 Positioning parameter and operation data
1) Positioning parameter
(2) Origin return parameter
rigin return-Low speed
2) Positioning parameter
Page
Page
Chapter 7 Usage of Various Functions
1) Positioning Indirect start(POSIST)
2) JOG Operation(POSJOG)
3) Positioning Control Instruction(POSCTR)
4) Current position preset (POSPRS)
5) PWM output (PWM)
6) Speed control operation (POSVEL)
7) Speed override (POSSOR)
8) Positioning direct start(POSDST)
9) Return to origin(POSORG)
Chapter 7 Usage of Various Functions
7-100
7.3.5 Flag list and Error codes
1) Flag list
Device Function Description
Page
2) Error code
Page
Chapter 7 Usage of Various Functions
7-104
Remark
7.3.6 Wiring with servo and stepping motor driver (Open Collector)
3) Wiring with servo motor driver(MR-J2/J2S-A)
* 3
K7M-DRT**U
* 3
4) Wiring with Servo motor driver(FDA-5000 AC Servo Driver)
Chapter 8 Communication Functions
Chapter 8. Communication Functions
8.1 Dedicated Protocol Communication
8.1.1 Introduction
Chapter 8 Communication Functions
8.1.2 System configuration method
1) Connecting system configuration (link between MASTER-Ks)
Page
Page
Chapter 8 Communication Functions
8.1.3 Frame Structure
1) Base Format
2) Sequence of command frame
Chapter 8 Communication Functions
8.1.4 List of commands
Chapter 8 Communication Functions
8.1.5 Data type
1) Data type of variable
Chapter 8 Communication Functions
8.1.6 Execution of commands
1) Individual reading of device(R(r)SS)
Page
Page
2) Continuous reading(R(r)SB) of device
Page
Page
3) Individual writing of device(W(w)SS)
Page
Page
4) Continuous writing of device(W(w)SB)
Page
Page
5) Monitor register(X##)
Page
Page
6) Monitor execution(Y##)
Page
Chapter 8 Communication Functions
7) Reading PLC Status(RST)
Page
8.1.7 1:1, 1:n Built-in communication between MASTER-K120S's
1) Introduction
2) Parameter setting
Page
Page
3) Flag related with operating status
Page
4) Example
Page
Page
Page
Chapter 8 Communication Functions
8-38
8.1.8 Error code
Error code Error type Error condition and causes Treatment
8.2 User Defined Protocol Communication
8.2.2 Parameter Setting
Page
Page
Page
Page
Page
Page
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Chapter 8 Communication Functions
8.2.3 Instruction
1) User defined communication instruction(SNDCOM)
Chapter 8 Communication Functions
3) Error code
8.2.4 Example of Usage
1) The Programming and setting communication parameter of the master station
Page
Page
Page
2) Setting and program of slave station
Page
Page
Page
Page
Chapter 8 Communication Functions
8.3 Modbus Protocol Communication
8.3.2 Basic Specification
1) ASCII mode
2) RTU mode
3) Address area
4) Function code area
5) Data area
6) LRC Check/CRC Check area
Page
Chapter 8 Communication Functions
10) Map of wiring
Page
Chapter 8 Communication Functions
1) MODBUS communication instruction(MODCOM)
Page
2) Example program 1
3) Example program 2
4) Example program 3
5) Example program 4
8.4 No Protocol Communication
1) Sending Data
2) Receiving Data
Page
Chapter 8 Communication Functions
8.4.3 Instructions
Chapter 8 Communication Functions
8.4.4 Examples
Page
8.5 Remote connection and communication I/F module
1) Remote connection by built-in Cnet I/F
2) Remote connection by modem
Page
8.5.2 Communication I/F module
Page
Page
Chapter 9 Installation and Wiring
9.1 Installation
9.1.1 Installation Environment
1) Environment requirements
2) Precautions during installing
3) Heat protection design of control box
Chapter 9 Installation and Wiring
) Power consumption block diagram of PLC systems
5) Power consumption of each part
Main Unit
Expansion module
Chapter 9 Installation and Wiring
9.1.2 Handling Instructions
1) Main unit or Expansion Module handling instructions
2) Mounting instructions
Page
Chapter 9 Installation and Wiring
9.1.3 Connection of expansion module
9.2 Wiring
9.2.1 Power Supply Wiring
Chapter 9 Installation and Wiring
Input
Chapter 9 Installation and Wiring
9.2.3 Grounding
9.2.4 Cable Specifications for wiring
Chapter 10 Maintenance
Chapter 10 Maintenance
10.1 Maintenance and Inspection
10.2 Daily Inspection
Chapter 10 Maintenance
10-2
10.3 Periodic Inspection
Chapter 11 Troubleshooting
11.1 Basic Procedures of Troubleshooting
11.2 Troubleshooting
Chapter 11 Troubleshooting
11.2.1 Troubleshooting flowchart used when the POWER LED turns OFF.
Yes
No
No No
Chapter 11 Troubleshooting
11.2.2 Troubleshooting flowchart used when the ERR LED is flickering
Chapter 11 Troubleshooting
11.2.3 Troubleshooting flowchart used when the RUN LED turns off.
Chapter 11 Troubleshooting
11.2.4 Troubleshooting flowchart used when the I/O part doesnt operate normally.
Page
Chapter 11 Troubleshooting
11.2.5 Troubleshooting flowchart used when a program cannot be written to the CPU part
11.3 Troubleshooting Questionnaire
Chapter 11 Troubleshooting
11.4 Troubleshooting Examples
11.4.1 Input circuit troubles and corrective actions
Chapter 11 Troubleshooting
11-10
11.4.2 Output circuit troubles and corrective actions
Page
11-12
11.5 Error code list
11-13
(continued)
Appendix 1. System Definitions
Page
Page
2) Basic Parameters
Appendix 2. Flag List
Page
2) Internal relay (M)
App2-4
3) Data relay (D)
(1) When FNET module is connected Relay Keyword Function Description
App2-5
(2) When communication mode is dedicated master mode (Channel 0)
Relay Function Relay Function
App2-6
(3) When communication mode is dedicated master mode (Channel 1)
Relay Function Relay Function
App2-7
I/O Forced I/O designation register Forced I/O data register
Page
Appendix 3 External Dimensions
Appendix 3 External Dimensions (unit: mm)
1) Main unit
2) Extension module
