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Rockwell Automation Publication 1606-RM002A-EN-P - March 2019
Power Supply - 24V, 10 A, 240 W, Three-phase Input
Recommendations for building redundant power systems:
• Use separate input fuses for each device.
• Use separate mains systems for each device whenever it is possible.
• Monitor the outputs of the individual devices. Use the DC-OK contact,
which is included in the redundancy module.
• It is desirable to set the output voltages of all devices to the same value
(± 100 mV) or leave it at the factory setting.
• Set the devices into Parallel Use mode.
Verify that the leakage current, EMI, inrush current, and harmonics increase
when using multiple devices.
N+1 Redundancy
Redundant systems for a higher power demand are usually built in a N+1
method. For example, four devices, each rated for 10 A are paralleled to build a
30 A redundant system.
Verify that the leakage current, EMI, inrush current, harmonics increase when
using multiple devices.
Keep an installation clearance of 15 mm (0.59 in.) (left and right) between two
devices and avoid installing the devices on top of each other.
Do not use devices in parallel in mounting orientations other than the standard
mounting orientation or in any other condition, where a reduction of the output
current is required.
For 1+1 redundancy the ambient temperature is not allowed to exceed
60 °C (140 °F).
Figure 34 - 1 + 1 Redundant Configuration for 10 A Load Current and Redundancy Modules
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L2
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PE
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Summary of Contents for Allen-Bradley 1606-XLE240E-3
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