Chapter 5: Payload Structures
NOTE: The total weight of your payload structure plus any objects carried by
the payload must not exceed the rated capacity of your LD-250. See: Technical Spe-
cifications on page 191.
Power Consumption
Any electrical devices on your payload structure that consume significant power will notice-
ably shorten the AMR's run time.
Minimize power consumption whenever possible. The battery is rated at 1840 W*hr (1.84
kWh). Examples of power-consuming payload structures are robot arms attached, or a motor-
ized conveyor.
Power Limits
The tables in the following sections describe the available power circuits and power output
l
Aux Power on page 105
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User Power on page 105
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Power Connections on page 101
Omron recommends that you use external current limiting devices to prevent transient current
overload. The limits are:
l
For the 5VDC, 12VDC and 20VDC connections max inrush peak current is 2A.
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For Battery_Out_1 and Battery_Out_2 max inrush peak current is 10A.
l
For Battery_Out_3_and_4 max inrush peak current is 20A.
Momentary current spikes over these thresholds will activate current limiting protection caus-
ing power loss at the connector. Simultaneous inrush loads might trip the over current pro-
tection at the battery. The maximum permitted duration of an overcurrent level is as follows:
Overcurrent Level Overload Duration
40 A 8 sec
64 A 250 ms
96 A 250 us
Payload Bay Access
The area between the LD-250 and your payload structure is the payload bay. This is where you
access the LD-250 Core's power and I/O connectors, in addition to any mechanical fasteners
that secure your payload to the LD-250.
20472-000 Rev B LD-250 Platform User's Guide 79
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