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Diagnostics Optimization CT MODBUS RTU Technical Data
180 Installation and System Design Guide
Issue Number: 1
Figure 7-10 Profile start and associated gains
7.8.4 Start profile brake control
The motor brake control for the Elevator can be controlled either from the E300 Elevator drive, or from the Elevator controller. By default, the drive is
set-up to provide a brake control output on control terminal T25. If the Elevator controller manages the motor brake control, the drive can be
configured using T25 Digital I/O 02 Source/Destination (F19) to provide a motor magnetized output. Only once the motor is fully magnetized, does the
drive provide a motor magnetized output which can be used for the brake control in the Elevator controller. Table 7-19and Table 7-20describe the
various brake control parameters and settings.
Table 7-19 Brake control digital output parameters
Table 7-20 Brake control parameters
Figure 7-11 Brake control - Closed loop release
During any drive trip where brake control is being carried out on the drive, the brake output will become inactive forcing the brake to be closed and
preventing further operation. If the brake control is being carried out by the Elevator controller and a drive trip occurs, the drive ok output will turn
Off (0) and the Elevator controller will apply the motor brake to prevent further operation.
The operating speeds for the E300 Elevator drive are V1, V2, V3 and V4. V1 is selected by default as the Creep speed with V2, V3 and V4 being user
defined speeds. The selected operating speed can be seen in Reference Parameter Selected (J09).
Parameter Setting
T25 Digital I/O 02 Source/Destination (F19)
Brake Control Output (D03) for brake control output from drive
Motor Magnetized Indication (D01) output for external brake control
T25 Digital I/O 02 State (F04) Digital output state On (1) Off (0)
T25 Digital I/O 02 Invert (F13) Invert digital output on T25
Parameter Detail
Brake Control Output (D03) Brake control output state
Brake Control Release Delay (D04) Brake release delay
Upper Current Threshold (D06) Brake control release high current threshold (Open loop) and RFC-A
Brake Release Frequency (D08) Brake release frequency (Open loop) and RFC-A
Drive active
Ramp torque (100 ms)
Start speed loop Kp
Start speed loop Ki
Brake control
Debounce motor contactor (100 ms)
Start current loop Kp
Start current loop Ki
Start current loop filter
Position feedback filter
Run Current Loop Filter ()I10
()Run Jerk 1 G13
Drive Encoder Feedback Filter ()C09
External motor contactor control
Acceleration Rate ()G11
Variable Gains Transition
Speed Threshold ()I16
Brake Control Release Delay ()D04
()Run Jerk 2 G14
Run Speed Loop PGain ()I06
Run Speed Loop IGain ()I07
Run Current Loop PGain ()I08
Run Current Loop IGain ()I09
Motor contactor
STO, Drive enable
Speed selections
()
Brake Control Release Delay
D04
Ramp torque (100 ms)
Direction selected
Start lock
Start lock Kp ()I20
Debounce motor contactors (100 ms)
External motor contactor control
Brake control
()Brake Control Output D03
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