T-solution MASTER-K120S

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Chapter 2 System Configuration

2-3

(3) RS-232C Communication over a long distance via modem by Cnet I/F modules

2) 1:n Communications system

This method can connect between one computer and multiple main units for up to 32 stations

Modem

G7L-CUEB

MASTER-K120S

RS-232C ⇔ RS-422 Converter

Can be connected Max. 32 stations

G7L-CUEC

MASTER-K120S

RS-232C ⇔ RS-485

Converter

Built-in RS-485 Built-in RS-485

Built-in RS-485

* Refer to ‘chapter 8. communication function’ for details.

MASTER-K120S

Main Page

Safety Instructions2
Design Precautions3
Contents8
General13
High Speed Processing14
Various Built-In Functions14
Battery-Less14
Features ·······················14
Terminology15
System Configuration17
Overall Configuration17
Basic System17
Cnet I/F System18
Communications System18
Product Functional Model20
Product Functional Block20
K120S Series System Equipment Product21
Communication I/F Module22
General Specifications23
Names of Parts24
Main Unit24
60-Points Main Unit (Standard)25
40-Points Main Unit (Standard)26
Expansion I/O Module31
20Points I/O Module31
10Points I/O Module31
8Points I/O Module32
Special Module33
A/D D/A Combination Module33
D/A Conversion Module34
A/D Conversion Module34
Analog Timer Module35
RTD Input Module35
Communication I/F Module36
Cnet I/F Module36
Fnet I/F Module36
Option Module37
Pnet I/F Module37
Devicenet I/F Module37
Power Supply / CPU38
Power Supply Specifications38
Standard Type38
Economic Type38
CPU Specifications39
Self-Diagnosis ······························································································539
Operation Processing43
Operation Processing Method43
Cyclic Operation43
Operation Processing at Momentary Power Failure Occurrence44
Interrupt Operation Method44
Momentary Power Failure Within 10 Ms44
Momentary Power Failure Exceeding 10 Ms44
Scan Time45
Scan Watchdog Timer45
Expression for Scan Time45
Flags45
Timer Processing46
On Delay Timer46
Off Delay Timer46
Integral Timer47
Monostable Timer47
Retriggerable Timer48
Counter Processing49
Up Counter (CTU)49
Down Counter (CTD)49
Up-Down Counter49
Ring Counter50
Maximum Counting Speed50
Program51
Classifications of Program51
Program Execution Procedure51
Scan Program52
Interrupt Program52
Usage of Interrupt Program52
Time Driven Interrupt53
Process Driven Interrupt53
HSC Driven Interrupt53
Error Handling54
Error Classification54
Operation Mode at Error Occurrence54
PLC Hardware Defect54
External Device Malfunction55
Operation Modes56
RUN Mode56
Processing When the Operation Mode Is Changed56
Operation Processing Contents56
STOP Mode57
PAUSE Mode57
DEBUG Mode57
Processing When the Operation Mode Changes57
Operation Mode Change58
Debug Operation Conditions58
Mode Change Remote Operation59
Functions60
Self-Diagnosis60
WDT (Watch Dog Timer) Function60
I/O Module Check Function60
I/O Force On/Off Function61
Forced I/O Setting Method61
Special Data Register for Forced I/O63
Force On/ off Processing Timing and Method63
Forced Input63
Forced Output63
Direct I/O Operation Function64
System Error History64
Special Data Register for Error History64
Description of each Word64
Memory Configuration65
Bit Data Area65
Word Data Area65
User Program Area65
I/O Address Allocation66
I/O No. Allocation Method66
Built-In Cnet Selection Switch67
Structure·····································································································567
External Memory Module69
Usage·······································································································569
RTC Module71
Usage······································································································571
Write RTC Data72
Date Expression72
Input and Output Specification73
Specification ································································································773
Digital Input Specification74
Circuit Diagram74
Input Wiring75
Example of External Devices76
Expansion Module77
Digital Output Specification78
Main Unit (Relay Output)78
Usage of Various Functions85
Built-In Functions85
High-Speed Counter Function85
Performance Specifications85
Names of Wiring Terminals86
External Interface Circuit87
Wiring Instructions87
Instructions ································································································787
Wiring Example88
Voltage Output Pulse Generator88
Open Collector Output Pulse Generator88
Instruction(Hscst)89
Hscst S Sv CV89
Error Code89
Parameter Setting90
Format Setting90
Linear Counter90
Mode Setting91
1-Phase Operation Mode91
1-Phase Pulse + Direction Mode91
2-Phase CW/CCW Mode91
2-Phase Multiplication Mode (MUL4)92
Preset Setting92
Internal Preset92
External Preset92
Latch Counter Setting93
Comparison Output Setting93
Comparison Set93
Zone Comparison Set94
Comparison Task94
RPM Setting95
Examples of Program95
Programming Example96
Pulse Catch Function98
Minimum Input Pulse Width98
Input Filter Function100
External Interrupt Function101
Minimum Processing Time101
PID Control Function103
Integral Operation105
The System Response When a Long Integration Time Given106
The System Response When a Short Integration Time Given106
Derivative Operation (D Action)106
PID Action107
Derivative Action with a Constant Deviation107
PID Action with a Constant Deviation107
Integral Windup108
Example of Integral Windup108
Realization of PID Control on the PLC109
P Control109
I Control109
D Control109
Parameter Setting and Explanation110
PID8 Instruction Parameter Setting and Explanation110
Operation Mode110
Manual Operate Range110
Proportional Gain111
Derivative Time and Integral Time111
Mode Command Set111
PWM Set111
SV Ramp112
Delta MV112
Bias112
Sv(Target) and PV(Current)112
PID8AT Instruction Parameter Setting and Explanation113
Relay Response Method114
Process Reaction Curve Method(PRC Method)114
PID Operation Explanation (Without A/T Function)118
In Case of Using Combined Function of PID Operation and Auto Tuning119
RTD Module Setting120
D/A Module Setting120
Error Code List122
Names of Parts and Functions125
Scaling Function127
I/O Converstion Characteristics129
Analog Input Characteristics129
Voltage Input129
Current Input129
Analog Output Characteristics130
Voltage Output130
Current Output130
D/A Conversion Characteristic (Voltage Output)130
Distinction Program of A/D Conversion Value131
Analog/Digital Conversion Characteristics136
Temperature Conversion Characteristics149
Digital Conversion Value149
Burn-Out Detection Function150
Positioning Function(DRT/DT Type Only)153
Output Specification154
Internal Circuit and Wiring Example155
Positioning Function156
Position Control156
Control by Absolute Method156
Control by Incremental Method156
Speed Control (Uniform Speed Operation)157
Timing Diagram157
Operation Pattern158
End Operation159
Keep Operation160
Continuous Operation161
Operation Method162
Repeat Operation162
Repeat Pattern162
Positioning Start163
Positioning Stop163
Return to Origin164
Origin Return Method164
Origin Detection When Approximate Origin Turns off164
Origin Detection after Deceleration When Approximate Origin Turns on165
Origin Detection by Approximate Origin165
JOG Operation166
Speed Override Command166
Acceleration/Deceleration Processing and Jog Speed166
External Input Stroke High/Low Limit167
M Code Function(after Mode)167
Error and Output Prohibition168
Unused the M Code Output168
Use the M Code168
Positioning Parameter and Operation Data169
Acceleration/Deceleration Time169
Backlash Compensation Amount170
Bias Speed170
Speed Limit170
Origin Return Parameter171
Origin Return Speed171
Origin Return High Speed171
Dwell Time171
JOG Speed172
JOG High Speed172
JOG Low Speed172
Coordinate173
Positioning Indirect Start(POSIST)175
JOG Operation(POSJOG)176
Positioning Control Instruction(POSCTR)177
Current Position Preset (POSPRS)178
PWM Output (PWM)179
Speed Control Operation (POSVEL)180
Speed Override (POSSOR)181
Positioning Direct Start(POSDST)182
Return to Origin(POSORG)183
Flag List and Error Codes184
Wiring with Stepping Motor Driver188
General188
Wiring with Servo Motor Driver(MR-J2/J2S-A)189
Wiring with Servo Motor Driver(FDA-5000 AC Servo Driver)190
Communication Functions191
Dedicated Protocol Communication191
System Configuration191
System Configuration Method192
Wiring Method192
Frame Structure195
Base Format195
Sequence of Command Frame196
List of Commands197
Data Type198
Data Type of Variable198
Available Types of Device198
Execution of Commands199
Individual Reading of Device(R(R)Ss)199
PC Request Format199
Response Format (ACK Response)200
Response Format (NAK Response)201
Computer Request Forma201
Continuous Reading(R(R)Sb) of Device202
MASTER-K120S Main Unit Response Format (MASTER-K120S of ACK Response)203
Individual Writing of Device(W(W)Ss)205
Computer Request Format207
Continuous Writing of Device208
Monitor Register211
Reading PLC Status(RST)216
Built-In Communication between MASTER-K120S's218
Communication Parameter Setting219
Setting Registration List220
Flag Related with Operating Status222
Sending/Receiving Error Count for each Station222
Slave PLC Mode and Error Contents of each Station222
Status Flag of the Master PLC223
Max/Min/Current Sending/Receiving Cycle of Set Parameter223
Setting Communication Parameter of the Master Station and Its Program224
User Defined Protocol Communication229
Setting Communications Parameter229
Setting Frame230
Frame Specification230
Send / Receive231
Tail232
Frame Size234
Link Relay (L)234
User Defined Communication Instruction(SNDCOM)237
Example of Usage238
1:1 Dedicated Protocol Communication Cable238
Modbus Protocol Communication247
Basic Specification247
ASCII Mode247
RTU Mode247
Address Area248
Function Code Area248
Data Area248
LRC Check/Crc Check Area248
Function Code Types and Memory Mapping249
Modbus Addressing Rules249
The Size of Using Data249
Parameters Setting250
Map of Wiring250
Setting Communication Parameter250
Instruction and Example252
MODBUS Communication Instruction(MODCOM)252
No Protocol Communication257
Sending Data257
Receiving Data257
No Protocol Receive(DRCV)259
No Protocol Send(DSND)260
Remote Connection and Communication I/F Module263
Remote Connection by Built-In Cnet I/F263
Remote Connection by Modem264
Remote Connection by Fnet I/F Module265
Usage of G7L-CUEB266
Usage of G7L-CUEC266
Usage of G7L-FUEA/RUEA267
Usage of G7L-PBEA/DBEA268
Installation and Wiring269
Installation Environment269
Environment Requirements269
Precautions During Installing269
Power Consumption Block Diagram of PLC Systems270
Power Consumption of each Part270
Total 5VDC Power Consumption270
Average DC24V Power Consumption270
Handling Instructions271
Power Consumption of the Special Module271
Main Unit or Expansion Module Handling Instructions271
Mounting Instructions272
Connection of Expansion Module274
Power Supply Wiring275
Wiring ························275
Input and Output Devices Wiring276
Grounding277
Cable Specifications for Wiring277
Installation and Wiring277
Maintenance278
Maintenance and Inspection278
Daily Inspection278
Periodic Inspection279
Troubleshooting280
Visual Checks280
Troubleshooting Flowchart Used When the POWER LED Turns off281
Troubleshooting Flowchart Used When the ERR LED Is Flickering282
Troubleshooting Flowchart Used When the RUN LED Turns off283
Troubleshooting Used When I/O Part Doesn’t Operate Normally284
Troubleshooting Questionnaire287
Troubleshooting Examples288
Input Circuit Troubles and Corrective Actions288
Output Circuit Troubles and Corrective Actions289
System Definitions293
Editor Option294
Monitor Display Type294
Source File Directory294
Auto Save294
Page Setup295
Basic Parameters296
Timer Boundary Setting296
Watchdog Timer Setting296
Remote Access Control Setting296
Special Relay297
Internal Relay (M)299
Data Relay300
When FNET Module Is Connected300
When Communication Mode Is Dedicated Master Mode301
D Register for Forced I/O Setting303
Clock Data304
External Dimensions305

T-solution MASTER-K120S - Page 19

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