IAI America ROBO Cylinder Series - Manual (Page 170)

5. Modbus RTU
162
Modbus
[4] Move in the incremental (pitch feed) mode.
Conditions: The operation conditions conform to the default speed, default
acceleration/deceleration and default positioning band set by the controller’s
user parameters. Only the pitch width is changed to move the actuator.
Write the target position specification register (9900
H
) through control
flag specification register (9908
H
: Incremental setting) (Example 4)
Start of movement
Supplement: Addresses 9900
H
and 9908
H
alone cannot be changed in a single data
transmission. Since all addresses are sequential, send two messages if 9900
H
and 9908
H
alone are changed. If you want to send only one message, write all
addresses from 9900
H
to 9908
H
.