15-B Maintenance Mnl, GFZ-62075E/03 - Automation Service Srl

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3. TROUBLESHOOTING AND ACTION TO BE TAKEN B–62075E/03 (9) Displaying servo control information Servo control information is displayed. 3010 to 3023 Servo control information for axis 1 3030 to 3043 Servo control information for axis 2 3050 to 3063 Servo control information for axis 3 3070 to 3083 Servo control information for axis 4 3090 to 3103 Servo control information for axis 5 3110 to 3123 Servo control information for axis 6 3130 to 3143 Servo control information for axis 7 3150 to 3163 Servo control information for axis 8 3170 to 3183 Servo control information for axis 9 3190 to 3203 Servo control information for axis 10 3210 to 3223 Servo control information for axis 11 3230 to 3243 Servo control information for axis 12 3250 to 3263 Servo control information for axis 13 3270 to 3283 Servo control information for axis 14 3290 to 3303 Servo control information for axis 15 ⋅ Checking a disconnection or overload alarm If a message indicating an overload alarm (SV 023) or disconnection alarm (SV 015) appears on the screen, check the diagnostic data to see if the data indicates an overload or disconnection alarm. The number of the diagnostic data is 3014 for axis 1, 3034 for axis 2, 3054 for axis 3, and the start number + 4 for other axes. #7 #6 #5 #4 #3 #2 #1 #0 OVL LVAL OVC HCAL HVAL DCAL FBAL OFAL When an overload alarm is issued: #7 = 1 When a disconnection alarm is issued: #1 = 1 Details of digital servo alarms #7 #6 #5 #4 #3 #2 #1 #0 OVL LVAL OVC HCAL HVAL DCAL FBAL OFAL – 36 –
B–62075E/03 3. TROUBLESHOOTING AND ACTION TO BE TAKEN Symbol OFAL FBAL DCAL HVAL HCAL OVC LVAL OVL Description LSI OVERFLOW An overflow alarm occurred in the digital servo. PULCO DISCONNECTION A disconnected pulse coder alarm occurred. EXCESS I FROM MOTOR A regenerative discharge circuit alarm occurred in the servo amplifier. (LED DC on the servo amplifier is on.) EXCESS V TO MOTOR An overvoltage alarm occurred in the servo amplifier. (LED HV on the servo amplifier is on.) ABNORMAL CURRENT IN SERVO An abnormal current alarm occurred in the servo amplifier. (LED HC on the servo amplifier is on.) EXCESS CURRENT IN SERVO An overcurrent (overload) alarm occurred in the servo amplifier. POWER V TOO LOW An insufficient voltage alarm occurred in the servo amplifier. (LED LV on the servo amplifier is on.) SV OVERLOAD An overload alarm occurred in the servo motor or amplifier. When this alarm occurs in the servo amplifier, the servo amplifier, separate discharge unit, or power transformer is overheated. (LED OH on the servo amplifier is on.) Then check the diagnostic data to determine the cause of the alarm. The number of the diagnostic data is 3015 for axis 1, 3035 for axis 2, 3055 for axis 3, and the start number + 5 for other axes. Check bits 7 and 4 at the address to determine the cause of the alarm by consulting the following table. #7 #6 #5 #4 #3 #2 #1 #0 ALDF EXPC Cause of the alarm 7 bit ALDF 4 bit EXPC Motor overheated 1 0 Amplifier overheated 0 0 Disconnected built–in pulse coder (hard) 1 0 Disconnected separate pulse coder (hard) 1 1 Disconnected pulse coder (soft) 0 0 Example When a disconnection alarm (SV 015) is issued for axis 1, assume that the diagnostic data of Nos. 3014 and 3015 is as follows: No. 3014: 00000010 No. 3015: 10110100 FBAL (bit 1) of diagnostic data No. 3014 is set to 1. Both ALDF (bit 7) and EXPC (bit 4) of diagnostic data No. 3015 are set to 1. The diagnostic data indicates that the cause of the alarm is a disconnected separate pulse coder (hard). ⋅ Checking an absolute–position detection alarm If an alarm is detected at power–on when the absolute position is detected optionally, the message SV101 DATA ERROR (ABS PCDR) or OT032 NEED ZRN (ABS PCDR) appears. The cause of the alarm is indicated in the diagnostic data. – 37 –
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B-62075E/03 8. HOW TO REPLACE FUSES
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APPENDIX
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APPENDIX 1. SYSTEM ALARMS B-62075E/
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APPENDIX 2. DISPLAYING THE SYSTEM L
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APPENDIX 3. SIGNAL INTERFACE LIST A
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B-62075E/03 A Action to be taken wh
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B-62075E/03 INDEX SIGNAL INTERFACE
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15-B Maintenance Mnl, GFZ-62075E/03 - Automation Service Srl

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