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Speed Mode Bits
DCP Name of Speed Mode
G4
G5
G6
G7
G8
G9
G10
Speed modes V7, V6, V5, V2, and V1 are not available with DCP4.
◆
DCP Slave Messages from Drive Controller to Lift Controller
■
Status Byte
Process Data
1
Status Byte
Data Byte 1
(S7 ... S0)
The first byte of the message is called status byte. It contains the following information:
Bit S0 : Drive controller ready
DCP3 and DCP4:
The drive controller is ready for the next run. This status bit is similar to the terminal "Drive controller ready" at
the lift controller.
0 : Drive controller is not ready to travel
1 : Drive controller is ready to travel
Bit S1 : Travel active
DCP3 and DCP4:
The drive controller is currently carrying out a run.
0 : Not in travel
1 : In travel
Bit S2 : Stop switch
DCP3 and DCP4:
The travel can be continued to the next floor. In this case, the lift controller should no longer give any travel
commands while alarms are active.
Bit S3 : Fault active
DCP3 and DCP4:
The drive controller error flag is set. The drive controller has been switched off, the run contactor was closed, and
the brake was applied. Possible causes of the fault include:
• Over-speed
• Over-current
• DC bus over-voltage
• DC bus under-voltage
• Motor parameter setting error
• Power section over-temperature
The command "Drive controller enable" (see command bit B0) must be cleared at this situation. The lift controller
will not travel until the fault has been cleared on the drive side.
Bit S4 : Motor speed below leveling speed (v < 0.3 m/s)
DCP3 and DCP4:
The motor speed has dropped to or below leveling speed. This signal is used for monitoring the re-leveling speed
(v < 0.3 m/s) by the lift controller.
YASKAWA TOEPC710616134G AC Drive L1000A Technical Manual Addendum
L1000A Standard Speed
Designation
VI
V2
Intermediate 2
V3
Intermediate 1
V4
V5
Intermediate 6
V6
Intermediate 5
V7
Intermediate 4
2
3
Data Byte 2
Related L1000A Parameter
Inspection
d1-24
d1-03
d1-02
Fast
d1-01
d1-07
d1-06
d1-05
Communication Data
4
Communication Byte 1
Communication Byte 2
6 DCP Interface
L1000A DCP Designation
VI Speed
V2 Speed
V3 Speed
V4 Speed
V5 Speed
V6 Speed
V7 Speed
Checksum
5
6
Checksum
EN
21
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