YASKAWA L1000A - Page 130

4 Start-Up Programming & Operation
128 YASKAWA ELECTRIC TOEP C710616 38H YASKAWA AC Drive-L1000A Quick Start Guide
• When the lightest load direction is up, the drive stops after Light Load Direction Search and then accelerates upwards to
the Rescue Operation speed set in parameter S4-15. The output terminals set for “Light Load Direction” (H2- = 54)
and “Light Load Direction detection status” (H2- = 55) will close.
Figure 68
Figure 75 Light Load Direction Detection (Up)
• When the lightest direction is down, then after Light Load Direction Detection is finished the drive immediately
accelerates to the Rescue Operation speed set in S4-15 without stopping. An output terminal set for “Light load
direction” (H2- = 54) will stay open, and an output terminal set for “Light Load Direction detection status”
(H2- = 55) will close.
Figure 69
Figure 76 Light Load Direction Detection (Down)
H1-غغ = 55
(Rescue Operation)
Up
Off (open)
Off (open)
Up
Down
Speed agree torque calculations
Elevator moves in the
direction of the light load
Up/Down command
Up command (internal)
Down command (internal)
On (closed)
On (closed)
㧔Light Load Direction Search status㧕
H2- = 55
㧔Light load direction㧕
H2- = 54
Off (open)
Off (open)
On (closed)
On (closed)
H1-غغ = 55
(Rescue Operation)
Up
Off (open)
Off (open)
Down
Speed agree torque calculations
Elevator moves in the
direction of the light load
Up/Down command
Up command (internal)
Down command (internal)
On (closed)
On (closed)
㧔Light Load Direction Search status㧕
H2- = 55
㧔Light load direction㧕
H2- = 54
Off (open)
Off (open)
On (closed)
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