Appendix E  Motion Parameter Details
E.3  Monitoring Parameter List
A-46
* Valid only when using an MP2300SCPU ver 2.61 or later and Σ-V series servo drive.
IL38
Servo Driver User 
Constant Reading 
Data (SERVOPACK 
Parameter Reading 
Data for
MECHATROLINK 
Command Area)
Stores the data of the parameter being read.
Yes
IL3A
Supplementary Servo 
Driver User Constant 
Reading Data
(SERVOPACK
Parameter Reading 
Data for
MECHATROLINK 
Subcommand Area)
Stores the data of the parameter being read.
Yes
IW3F Motor Type
Stores the type of motor actually connected.
0: Rotation type motor
1: Linear motor
Yes
IL40 Feedback Speed Unit is according to OW03, bits 0 to 3 (Speed Unit).
Yes Ye s
IL42
Feedback
torque/thrust
Unit is according to OW03, bits 12 to 15 (Torque Unit).
Yes Ye s
IW44 to 
IW55
− Reserved
−−
IL56
Fixed Parameter 
Monitor
Stores the data of the fixed parameter when FIXPRM-RD has been 
specified in the Motion Subcommand.
Yes Ye s
IW58 to 
IW5C
− Reserved
−−
IL5E
Encoder Position 
When the Power is 
OFF (Lower 2 Words)
1 = 1 pulse
Yes
IL60
Encoder Position 
When the Power is 
OFF (Upper 2 Words)
1 = 1 pulse
Yes
IL62
Pulse Position When 
the Power is OFF 
(Lower 2 Words)
1 = 1 pulse
Yes
IL64
Pulse Position when 
the Power is OFF
(Upper 2 Words)
1 = 1 pulse
Yes
IW66 to 
IW6F
− Res
erved
−−
IW70 to 
IW7F
Response
 Buffer for 
Transparent 
Command Mode
Stores the response data when MECHATROLINK Servo commands 
are specified directly.
Yes
(cont’d)
Register No. Name Contents SVB SVR