# Z offset of the robot arm centre of gravity (P-CHAN-00781)

P-CHAN-00781 | Z offset of the robot arm centre of gravity
Description | This parameter defines the Z offset of the robot arm centre of gravity in relation to the origin of the joint coordinate system.
Parameter | limit.kin[i].dynamic_model.link[j].z
Data type | REAL64
Data range | -MAX(REAL64) < P-CHAN-00781 < MAX(REAL64)
Dimension | [0.1 µm]
Default value | 0.0
Remarks | Parameter available as of V3.1.3112 Configuration example: limit.kin[0].dynamic_model.link[0].z 3400000