Q9 ASD Installation and Operation Manual 155
ASD-to-ASD Communications (RS485 2-Wire)
Program Communication Settings
The function of this parameter is 2-fold:
1) In a Master/Follower configuration and while communicating via RS485
2-Wire, this parameter sets the ASD as the Master or the Follower.
2) This parameter determines the function of the ASD while operating as the
Master or the Follower. If operating as the Master ASD, an output parameter of
the Master ASD is used to control the Follower ASDs and is set here. If
operating as a Follower ASD and in the event of an error, the ASD response
will be of the selection here.
Note: Select a Follower function here if F826 is configured as a Master
Output controller for any other ASD in the system. Otherwise, an
EOI failure will result.
Changes made to this parameter require that the power be cycled (off then on) for
the changes to take effect.
Settings:
0 — Follower (Decel Stop - If Error Detected)
1 — Follower (Continue - Operation If Error Detected)
2 — Follower (Emergency Off - If Error Detected)
3 — Master (Output Frequency Command - If Error Detected)
4 — Master (Output Frequency - If Error Detected)
5 — Master (Output Torque Reference - If Error Detected)
6 — Master (Output Torque Command - If Error Detected)
Direct Access Number — F806
Parameter Type — Selection List
Factory Default — Follower (Decel Stop)
Changeable During Run — Yes
RS485 2-Wire Protocol Selection
No Path — Direct Access Only
This parameter sets the RS485 (2-Wire) communications protocol.
Settings:
0 — Toshiba
Direct Access Number — F807
Parameter Type — Fixed
Factory Default — To shi ba
Changeable During Run — Yes
Communications Reference Selection
Program Communication Settings
This parameter is used to set the communications reference for scaling.
See F811 — F814 for more information on this setting.
Note: Scaling the communications signal is not required for all
applications.
Changes made to this parameter require that the power be cycled (off then on) for
the changes to take effect.
Settings:
0 — Disabled
1 — RS485 (2-Wire)
2 — RS485 (4-Wire)
3 — Communication Card
Direct Access Number — F810
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — Yes
F806 F810
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