22
3.5 VFD Setup
3.5.1
!
DANGER
To avoid a shock hazard,
DO NOT
perform
ANY
mechanical or electrical
maintenance on the trolley or hoist within 5 minutes of de-energizing (disconnecting) the trolley or hoist.
This time allows the internal VFD capacitor to safely discharge.
3.5.2
!
WARNING
Do Not remove power to the hoist or trolley during operation.
3.5.3 All trolleys are equiped with a VFD. The VFD is used to control the high and low speeds and the
accelereations/decelerations (accel/decel) of the trolley. These speeds, 80/13 and
acceleration/decelerations, 4.0 seconds come preset from the factory. Speed (frequency) and
acceleration/deceleration time parameters can be customized. Refer to
Section 3.5.10
for trolley specific
speed ranges and instructions and
Section 3.5.11
for trolley specific acceleration/deceleration
parameters and instructions.
3.5.4 The VFD is controled by a Keypad/Display Interface. Refer to
Figure 3-13
for Keypad/Display Interface
functions and descriptions.
Figure 3-13
VFD Keypad/Display Interface
3.5.5 When power is supplied to the trolley the VFD LED operator display will illuminate as shown
Table 3-3
.
Table 3-3
LED Operator Display
Summary of Contents for SMR2Q Series
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