Posting this time I will give tips on how to check transistor module commonly used in CNC Machining. Location of the transistors is in the power supply module and the servo amplifier that functions as a switch. By way of triggering the transistor module provides the servo motor speed can be set, usually by using PWM (Pulse Width Modulation).
1. Check the terminal P in U, V, W foot tester (+) on terminal P, if the resistance 500-600 Ohm (normal), if short (abnormal).
Rates tester foot, foot (-) to the terminal P, and a foot (+) to terminal U, V, W under normal circumstances are not connected, if short or no resistance means not normal.
2. Check the terminal N to U, V, and W foot tester (-) in the terminal N, if the resistance 500-600 Ohm (normal), if short (abnormal).
3. Check the terminal P to B1, B3, B5 foot tester (+) on terminal P, if the resistance 500-600 Ohm (normal), if short (abnormal).
4. Rates tester foot, foot (-) to the terminal P, and a foot (+) to terminal B1, B3, B5, in normal circumstances are not connected, if short or no resistance
means not normal.
5. Check the terminal B1, B3, B5 with U, V, W, in a normal state resistance 500-600 Ohm, if short (abnormal).
Check the terminal B2, B4, B6 with terminal N, the normal state resistance 500-600 Ohm, if short (abnormal).
When a transistor is defective, terminals between collector and emitter and between collector and base are short.
You may be reading my other articles Servo Motor Basics System or Parameter Fanuc CNC Machining.
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Parameter Configurations For Fanuc – Backup Data
Before you receive or send data such as parameters, programs, and other offsets to the machine CNC Machining, needs to be done setting the parameters for the data backup process is not an error. Since I never had the experience during the receive program error occurred. Below I write parameters – setting parameters for data backup.
Before you change the parameter settings for MDI PWE = 1 mode, appears Alarm 100 push CAN + RST and you’re ready for setting parameters.
Cable data.
For 9 pin serial on PC RJ45 DB9 For 25 pin serial on CNC RJ45 DB 25
5———————————————————7
8———————————————————4
2———————————————————2
7———————————————————5
3———————————————————3
To DB 25 Pin 6,8,20 Jumper
Setting to PC
Baudrate = 4800 (Must match CNC setting).
Stop bits = 2
Data bit = 7
Parity = Even
Control code = Xon/Xoff
Setting CNC
Fanuc O series
CNC Setting Data
TV ON = 0
ISO = 1
I/O =0
Parameter 0002 = 000000001
0552 = 10 (Baudrate 4800).
Fanuc 6 series
CNC Setting Data
TV CHECK = 0
PUNCH CODE = 1
INPUT UNIT = 0
INPUT DEVICE 1 = 1
INPUT DEVICE 2 = 1
Parameters 306 = *00010*0
311 = 00001001
340 = 2
341 =1
* = Leave this bit set to what is currently
Fanuc 3 series
CNC Setting Data
TV ON = 0
ISO = 1
I/O= 0
Parameters 005 = 00000001
068 = 4800
Fanuc 10/11/12 Series
CNC Setting Data
TV CHECK = 0
PUNCH CODE = 0
INPUT DEVICE =1
INPUT DEVICE = 1
Parameter 5001 = 1
5110 = 1
5111 = 2
5112 = 10
Fanuc 16 / 18 Series
CNC Setting Data
TV CHECK = 0
PUNCH CODE = 1
I/O CHANNEL = 0 (0-3: CHANNEL NO)
TAPE FORMAT = 0
Parameters
0000 = 00000*10
0020 = 0
0100 = 00000000
0101 = 10000001
0102 = 0
0103 = 10
* = Leave this bit set to what is currently.
You interested my other articles Fanuc Alarm List or Servo Motor Basics System.
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