Mitsubishi Electric FX3U SERIES

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3UC

PLC User's Manual - Positioning Control Edition

Built-in Positioning Functions

2 Specifications

2.4 Input Specifications

B - 28

Main unit

Fuse

Input impedance

24 V

COM0

·Source input type (FX3UC- MT/DSS)

* Class-D grounding

Main unit

Fuse

Input impedance

24 V

COM0

·Sink input type (FX3UC- MT/DSS)

* Class-D grounding

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Main Page

Safety Precautions3
Table of Contents9
Functions and Use of this Manual15
Related Manuals16
Generic Names and Abbreviations Used in Manuals19
Common Items23
Description of Manual (Common Items24
Introduction25
Outline25
Introduction of Products Needed for Positioning26
List of Models26
Main Unit (Transistor Output27
Special Adapter (Differential Line Driver Output28
Special Function Unit/Block29
Unit Connection30
Fx 3S Plc30
Fx 3G Plc30
Fx 3Gc Plc31
Fx 3U Plc32
Fx 3Uc Plc33
Individual Operation of Special Function Unit (FX 2N -10GM, FX 2N -20GM34
Comparison of Specifications35
Comparison of Performance Specifications35
Built-In Positioning Function [Main Unit (Transistor Output), High-Speed Output Special Adapter (FX 3U -2HSY-ADP35
Pulse Output Block [FX 3U -1PG, FX 2N -1PG(-E), FX 2N -10PG36
Positioning Special Function Block [FX 3U -20SSC-H38
Positioning Special Function Unit [FX 2N -10GM, FX 2N -20GM39
Comparison of Operation Modes40
Built-In Positioning Functions45
Description of Manual (Built-In Positioning Function46
Outline47
Features47
Setup Procedure for Positioning Control48
Version Numbers of Compatible Plcs50
Manufacturer's Serial Number Check Method51
Version Check52
Version Upgrade History52
Version Numbers of Compatible Programming Tools53
1.5 Assignment of Input/Output Numbers54
Assignment of Input Numbers54
Assignment of Output Numbers56
Connection of the High-Speed Output Special Adapter58
Specifications60
General Specifications61
Power Supply Specifications61
Performance Specifications62
Input Specifications63
FX 3S Series Main Unit (24 V DC Input63
FX 3G Series Main Unit (24 V DC Input65
FX 3GC Series Main Unit (24 V DC Input67
FX 3U Series Main Unit (24 V DC Input69
FX 3UC Series Main Unit (24 V DC Input71
Output Specifications73
FX 3S Series Main Unit (Transistor Output73
FX 3G Series Main Unit (Transistor Output75
FX 3GC Series Main Unit (Transistor Output77
FX 3U Series Main Unit (Transistor Output80
FX 3UC Series Main Unit (Transistor Output81
High-Speed Output Special Adapter [FX 3U -2HSY-ADP83
List of Functions84
Connection of Input/Output Lines and Tightening Torques86
Terminal Board (M3, M3.587
Terminal Block Screw Size and Tightening Torque87
Termination87
European Terminal Board88
Cable88
Termination of Cable End88
Tool89
Connector89
Cable Connection to Input/Output Connector89
Setup of Input/Output Connection Connector90
Before Programming91
List of Related Devices91
Special Auxiliary Relays91
Special Data Registers93
Setting of Various Items Regarding Speeds94
Setting of Various Items Regarding Instructions and Speeds94
Setting of Output Pulse Frequency (DVIT, PLSV, DRVI, and DRVA Instructions96
Setting of Zero Return Speed (DSZR/ZRN Instruction97
Setting of Creep Speed (DSZR/ZRN Instruction98
Setting of Maximum Speed98
Setting of Bias Speed99
Setting of Acceleration Time99
Setting of Deceleration Time100
Various Special Relays for Operation Commands101
Forward Rotation Limit and Reverse Rotation Limit101
Immediate Stop of Pulse Output (Pulse Output Stop Command Relay102
Designation of Zero Return Direction (DSZR/ZRN Instruction102
CLEAR Signal Output (DSZR/ZRN Instruction104
Change in Logic of Near-Point (DOG) Signal (DSZR Instruction105
Change in Logic of Zero-Phase Signal (DSZR Instruction105
Designation of Interrupt Input Signal for DVIT Instruction106
Change in Logic of Interrupt Input Signal (DVIT Instruction107
Acceleration/Deceleration by PLSV Instruction108
Current Value and Flag for Monitoring of Operation109
Current Value109
Completion of Instruction Execution ("Instruction Execution Complete" Flag, "Instruction Execution Abnormal End" Flag110
Pulse Output Monitor" (BUSY/READY) Flag110
Positioning Instruction Activation" Flag110
4.5 Setting of Various Items on PLC Side111
Setting of Common Items Using Program111
Setting of High-Speed Output Special Adapter115
Setting of Various Items on Servo Amplifier (Drive Unit) Side117
Setting the Command Pulse Method117
Setting of Electronic Gear (for MELSERVO Series121
Setting of "Servo Ready" Signal (MELSERVO MR-C Series122
Items to be Observed in Programming123
Positioning Instruction Activation Timing123
STOP Instruction125
Correction of Backlash125
Operation Error Flag128
Write During RUN128
Items to be Observed When Using the Main Unit (Transistor Output129
Caution for Using the High-Speed Output Special Adapter (FX 3U -2HSY-ADP130
Format and Execution of Applied Instruction132
Operation Test134
Test Procedure136
Creation of Test Program140
Mechanical Zero Return - DSZR/ZRN Instruction142
Types of Mechanical Zero Return Instructions142
DOG Search Zero Return (DSZR Instruction143
Instruction Format143
List of Related Devices144
Function and Operation146
Important Points152
Zero Return (ZRN Instruction154
Instruction Format154
List of Related Devices155
Function and Operation156
Important Points160
Absolute Position Detection System (Absolute Current Value Read) - ABS Instruction161
Instruction Format161
List of Related Devices162
Function and Operation162
Important Points164
Speed Positioning - DRVI/DRVA Instruction165
Incremental Method and Absolute Method165
Drive to Increment - DRVI Instruction166
Instruction Format166
List of Related Devices167
Function and Operation169
Important Points170
Drive to Absolute - DRVA Instruction171
Instruction Format171
List of Related Devices172
Function and Operation174
Important Points175
One-Speed Interrupt Constant Quantity Feed - DVIT Instruction176
Instruction Format176
List of Related Devices178
Function and Operation180
Important Points185
10. Variable Speed Operation187
(Variable Speed Pulse Output) - PLSV Instruction187
Instruction Format187
List of Related Devices188
Function and Operation190
Operation Without Acceleration/Deceleration (M8338 = off190
Operation with Acceleration/Deceleration (M8338 = on191
Important Points193
11. Batch Data Positioning Mode - TBL Instruction194
Instruction Format194
List of Related Devices195
Function and Operation197
11.4.1 Built-In Positioning Parameter Setting198
Changing of Set Built-In Positioning Parameters (Number of Pulses and Frequency204
12. Examples of Programs206
Input/Output Assignment207
Programs for Forward/Reverse Rotation (Relay Ladder Program209
12.2.1 Example Program209
Programs for Forward/Reverse Rotation (Step Ladder (STL) Program212
12.3.1 Example Program212
Positioning Using Batch Setting Method216
12.4.1 Setting Using GX Works2216
12.4.2 Operation Program218
Program for Reading Current ABS Value Using ABS Instruction221
13. Troubleshooting222
LED Indicator Lamp Check222
POWER (POW) Indicator Lamp (Statuses: ON, Flashing, off223
RUN Indicator Lamp (Statuses: ON, off223
BATT (BAT) Indicator Lamp (Statuses: ON, OFF)223
Fx 3Uc223
ALM Indicator Lamp (Statuses: ON, OFF)223
Fx 3Gc223
ERROR (ERR) Indicator Lamp (Statuses: ON, Flashing, off224
Pulse Output Destination Device and Rotation Direction Output Indicator Lamp225
Error Check227
13.2.1 Error Code Check Method227
13.2.2 Error Codes228
If the Servo Motor or the Stepping Motor Does Not Operate229
If Operation Is Stopped at a Wrong Position230
Description of Manual (Example of Connection)232
Apx.-3232
Appendix 1-1 Main Unit (Transistor Output)233
Appendix 1-1-1 Sink Input and Sink Output233
Appendix 1-2 High-Speed Output Special Adapter239
Appendix 1-2-1 Sink Input, Sink Output (Transistor), and Differential Line Driver Output239
Appendix 1-3 Absolute Position Detection (Transistor Output)240
Appendix 1-3-1 Sink Input and Sink Output240
Appendix 2. MELSERVO-J3 Series240
Apx.-13240
Appendix 2-1 Main Unit (Transistor Output)243
Appendix 2-1-1 Sink Input and Sink Output243
Appendix 2-2 High-Speed Output Special Adapter249
Appendix 2-2-1 Sink Input, Sink Output (Transistor), and Differential Line Driver Output249
Appendix 3. MELSERVO-JN Series249
Apx.-23249
Appendix 3-1 Main Unit (Transistor Output)253
Appendix 3-1-1 Sink Input and Sink Output253
Appendix 3-2 High-Speed Output Special Adapter259
Appendix 3-2-1 Sink Input, Sink Output (Transistor), and Differential Line Driver Output259
Apx.-31260
Appendix 4-1 Main Unit (Transistor Output)261
Appendix 4-1-1 Sink Input and Sink Output261
Appendix 4-2 High-Speed Output Special Adapter267
Appendix 4-2-1 Sink Input, Sink Output (Transistor), and Differential Line Driver Output267
Appendix 4-3 Absolute Position Detection (Transistor Output)268
Appendix 4-3-1 Sink Input and Sink Output268
Apx.-41268
Appendix 5-1 Main Unit (Transistor Output)271
Appendix 5-1-1 Sink Input and Sink Output271
Appendix 5-2 Absolute Position Detection (Transistor Output)272
Appendix 5-2-1 Sink Input and Sink Output272
Apx.-43272
Appendix 6-1 Main Unit (Transistor Output)273
Appendix 6-1-1 Sink Input and Sink Output273
Appendix 6-2 High-Speed Output Special Adapter277
Appendix 6-2-1 Sink Input, Sink Output, and Differential Line Driver Output277
Warranty279
Revised History280

Mitsubishi Electric FX3U SERIES - Page 72

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