LSA-10A-30-D-130 Technical Document
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4-10 Power Source Connection
Please pay attention to the following points regarding the connection of the power source.
4-10-1 Measures to Avoid Voltage Drop in Power
The following diagrams are examples of connections when utilizing switching power sources.
As a measure to avoid voltage drop in power, please utilize the shortest and thickest lead wire possible
when connecting the power source to the driver (recommended lead wire: over AWG22).
4-10-2 Selection of Power Capacity
The necessary power capacity varies greatly according to operating conditions (load moment of inertia,
input command wave form, swing angle, frequency, etc.).
Measurements of the motor current based on the customer’s operating conditions are conducted during the
advanced testing stage. The data of the motor’s maximum current value and the motor’s effective current
value will be presented. Please utilize this data as a guide for power source selection.
•
Motor’s Maximum Current Value: Guide for selecting the power source’s maximum current
•
Motor’s Effective Current Value: Guide for selecting the power source’s rated current
Furthermore, the power source used in our adjustments is ±24V
、
240W (refer to 2-4-1 [15]).
4-10-3 Caution When Connecting Power Source
Errors in connecting the power source of the driver may cause the following problems. Please pay
sufficient attention when wiring.
•
If +24V and -24V are connected in reverse, the device will not start as there will be no current
flowing to the driver even if the power source is turned on.
Wiring errors, aside from the one listed above (+24V and -24V connected
in reverse), may damage the driver or significantly shorten the life of the
device after the power source has been turned on.
Caution
PSM Side
