7
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Positioning Control Edition
Table of Contents
12. Examples of Programs B-151
12.1 Input/Output Assignment........................................................................................................B-152
12.2 Programs for Forward/Reverse Rotation (Relay Ladder Program)........................................B-154
12.2.1 Example Program...................................................................................................................B-154
12.3 Programs for Forward/Reverse Rotation (Step Ladder (STL) Program)................................B-157
12.3.1 Example Program...................................................................................................................B-157
12.4 Positioning Using Batch Setting Method ................................................................................B-161
12.4.1 Setting Using GX Developer...................................................................................................B-161
12.4.2 Operation Program.................................................................................................................B-163
12.5 Program for Reading Current ABS Value Using ABS Instruction ..........................................B-166
13. Troubleshooting B-167
13.1 LED Indicator Lamp Check ....................................................................................................B-167
13.1.1 POWER Indicator Lamp (Statuses: ON, flashing, OFF) [FX3G/FX3U/FX3UC] .....................B-167
13.1.2 RUN Indicator Lamp (Statuses: ON, OFF) [FX3G/FX3U/FX3UC]..........................................B-169
13.1.3 BATT Indicator Lamp (Statuses: ON, OFF) [FX3U/FX3UC]...................................................B-169
13.1.4 ALM Indicator Lamp (Statuses: ON, OFF) [FX3G].................................................................B-169
13.1.5 ERROR indicator lamp (Statuses: ON, flashing, OFF) [FX3G/FX3U/FX3UC] .......................B-169
13.1.6 Pulse Output Destination Device and Rotation Direction Output Indicator Lamp...................B-171
13.2 Error Check ............................................................................................................................B-173
13.2.1 Error Code Check Method......................................................................................................B-173
13.2.2 Error Codes ............................................................................................................................B-174
13.3 If the Servo Motor or the Stepping Motor Does Not Operate .................................................B-175
13.4 If Operation Is Stopped at a Wrong Position..........................................................................B-176
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