0000 0010 0000 0001
b
 = 0401 hex → 
Data Format [19]: Current Value
A current value is decimal point data (positive), resolution 0.01.
Example: 1st Motor Electronic Thermal Level (3004-0C hex) = 3.60 A
3.60 ×100 = 360 = 0168 hex → 
Data Format [20]: Communications Error Code
Code Description
1 Non-existent object (parameter number) specified
2 Non-existent object (parameter number) specified
3 Improper data (Range error)
7 NAK (Link priority, no right, write disabled)
71 Checksum error, CRC error
72 Parity error
73 Framing error, overrun error, buffer full
Example: Improper address
2 = 0002 hex → 
Data Format [21]: Auto Tuning
15
 
14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
00
Not used Data part
REV FWD0 000
Rotation 
direction
(Data part)
0: Disable
1: Tune the motor parameters while stopped
2: T
une the motor parameters while rotating
4: Tune the PM motor magnetic pole position offset while rotating
5: Tune the motor %R1 and %X while stopped
Example: 1st Auto Tuning Function Selection (3007-05 hex) = 2: Tune the motor parameters while
rotating, forward operation
2 = 0102 hex → 
Data Format [22]: Frequency Data
Decimal point data (positive), resolution 0.01 Hz
Example: Multi-step Frequency Reference 1 (3006-06 hex) = 50.25 Hz
50.25 × 100 = 5,025 = 13A1 hex → 
Data Format [24]: Floating Point Data
Appendices
A-178
M1 Series EtherCAT Type User’s Manual (I670)