Torque Bias Selection (Pr.840) (Only For The Fr-A800 Series) - Mitsubishi Electric FR-A8NP Instruction Manual

7.8.3

Torque bias selection (Pr.840) (only for the FR-A800 series)

Under speed control under vector control, setting Pr.840 Torque bias selection = "24 or 25" enables torque bias setting via
PROFIBUS communication.
Pr. Name
840 Torque bias selection
70
PPO TYPE SUPPORT SPECIFICATION
Initial Setting
value range
Set the torque bias amount using contact signals (X42, X43) in Pr.841 to
0
Pr.843.
Set the torque bias amount using terminal 1 in any of C16 to C19.
1
(When the squirrel cage rises during forward motor rotation.)
Set the torque bias amount using terminal 1 in any of C16 to C19.
2
(When the squirrel cage rises during reverse motor rotation.)
9999 The torque bias amount using terminal 1 can be set automatically in C16 to
3
C19 and Pr.846 according to the load.
Torque bias command in the PROFIBUS buffer memory REF1 to REF7
24
Setting range: 600 to 1400 (-400% to 400%)
Torque bias command in the PROFIBUS buffer memory REF1 to REF7
25
Setting range: -32768 to 32767 (-327.68% to 327.67%)
9999 No torque bias, rated torque 100%
Description