Appendix A: LIST OF PARAMETERS AND DATA
Appendix A-1 Monitor Data List
281
FX3U-20SSC-H Positioning Block User's Manual 
11
Buffer Memory
12
Program 
Example
13
Diagnostics
A
List of 
Parameters and 
Data
B
Version 
Information
*1. For details on the user units, refer to the section given below.
→ Refer to Section 7.10
*2. Variable speed operation is not supported.
*3. BFM #128 b11 and b12 are not available.
*4. The error in the calculation of user units is included in the value of the current address when an
interruput occurs.
BFM #29 BFM #129 Error code Stores the error code Decimal - Subsection 11.3.18
BFM #30 - Model code Stores the model code of 20SSC-H Decimal K5220 Subsection 11.3.19
BFM #32 BFM #132
Status information 2
(Ver.1.20 or later)
b0 Positioning parameter change
completion flag
b15 to b1 Not available
Bit - Subsection 11.3.20
BFM 
#35, #34
BFM 
#135, #134
Current address when 
an interrupt occurs 
(INT0)
*4
 (Ver.1.30 or later)
-2,147,483,648 to 2,147,483, 647 (user unit)
*1
Decimal - Subsection 11.3.21
BFM 
#37, #36
BFM 
#137, #136
Current address when 
an interrupt occurs 
(INT1)
 *4
(Ver.1.30 or later)
-2,147,483,648 to 2,147,483, 647 (user unit)
*1
Decimal - Subsection 11.3.21
BFM 
#51,#50
BFM 
#151,#150
Deviation counter value Deviation counter value of servo amplifier (PLS) Decimal - Subsection 11.3.22
BFM 
#53, #52
BFM 
#153, #152
Motor rotation speed Rotation speed of servo motor (×0.1 r/min.) Decimal - Subsection 11.3.23
BFM #54 BFM #154 Motor current value Current value of servo motor (×0.1%) Decimal - Subsection 11.3.24
BFM 
#61 to#56
BFM 
#161 to#156
Software number of 
servo amplifier
Stores software number of servo amplifier ASCII code - Subsection 11.3.25
BFM #62 BFM #162
Servo parameter error 
number
Stores parameter number of servo parameter Decimal - Subsection 11.3.26
BFM #63 BFM #163
Servo status
b0 Zero phase passed
b2,b1 Not available 
b3 Zero speed
b15 to b4 Not available
Bit - Subsection 11.3.27
BFM #64 BFM #164
b0 Ready ON
b1 Servo ON
b6 to b2 Not available
b7 Servo alarm is arising
b11 to b8 Not available
b12 In-position
b13 Torque is limited
b14 Absolute position is lost
b15 Warning is arising
Bit - Subsection 11.3.27
BFM #65 BFM #165 Regenerative load ratio Regenerative load ratio(%) Decimal - Subsection 11.3.28
BFM #66 BFM #166 Effective load torque Effective load torque (%) Decimal - Subsection 11.3.29
BFM #67 BFM #167 Peak torque ratio Peak torque ratio (%) Decimal - Subsection 11.3.30
BFM #68 BFM #168 Servo warning Code Stores servo warning number Decimal - Subsection 11.3.31
BFM
#71,#70
BFM
#171,#170
Motor feedback position Motor feedback position (PLS) Decimal - Subsection 11.3.32
BFM #72 BFM #172 Servo status 2
b0 Flag indicating parameter update is 
completed
b1 Parameter updating flag
b2 Parameter update request flag
b15 to b3 Not available
Bit - Subsection 11.3.33
BFM 
#91,#90
-
Flash memory write 
count
Number of writing to flash memory
(max:100,000 times)
Decimal - Subsection 11.3.34
BFM Number
Item Description
Value of 
monitor
Default 
value
Reference
X axis Y axis