1 SUMMARY OF OBJECT DICTIONARY
1.1 Structure
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SUMMARY OF OBJECT DICTIONARY
Each data such as control parameters, command values, and feedback values is handled as an object composed of an Index
value, object name, data type, access rule, and other elements. The object data can be exchanged between the master
station (external device) and the slave stations (servo amplifiers). The aggregate of these objects is called an object
dictionary.
This manual describes the object dictionary which is necessary for servo amplifiers to be used via CC-Link IE TSN.
1.1
Structure
The following shows the detailed structure of the object dictionary.
Object units
This section explains the pos units, vel units, and acc units used in this manual.
pos units
The unit is pulse.
vel units
The unit can be changed using [Pr. PT01.1 Speed/acceleration/deceleration unit selection] as shown in the following table.
*1 "0.01 mm/s" is used in the linear servo motor control mode.
acc units
The unit can be changed using [Pr. PT01.1] as shown in the following table.
Item
Explanation
Data Type
Indicates the object size.
Access
Indicates whether the object can be read or written.
RO: Only reading is available
RW: Reading and writing are available
Mapping
Indicates whether the object can be mapped in cyclic communication.
Impossible: The object cannot be mapped to TXPDO or RXPDO.
TXPDO: The object can be mapped to TXPDO.
RXPDO: The object can be mapped to RXPDO.
TXPDO, RXPDO: The object can be mapped to TXPDO and RXPDO.
Default
Indicates the initial value of the object.
Range
Indicates the object range. If a value outside the range is written, a parameter
external error (error code CCD4h) occurs.
Units
Indicates the object unit.
Save
Indicates whether data can be stored in the non-volatile memory.
Impossible: Data cannot be stored in the non-volatile memory. The value of
the data written from the controller returns to the value of "Default" when the
power is shut off.
Possible: Data can be stored in the non-volatile memory with [Store
Parameters (Obj. 1010h)]. Data is saved in the servo parameter
corresponding to the object. For the corresponding servo parameters, refer to
"Parameter".
Parameter
Indicates where data is stored in the non-volatile memory.
Description
Describes the object.
Setting value
Unit
0
0.01 r/min, 0.01 mm/s
1
pulse/s
Setting value
Unit
0
ms
1
pulse/s
2
Содержание MELSERVO J5 Series
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