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The GE-Emerson IC697PWR722 Series 90-70 Power Supply Module can be attached to the left side of a rack or can be mounted as a stand-alone unit. It provides +5V, +12V, and –12V regulated DC power outputs as well as a TTL-compatible logic shutdown signal, named TTL. This power supply module must be connected to a Power Supply Adapter (PSA) module (IC697PWR720) which plugs into the power supply slot in an IC697CHS* rack. The PSA module connects the power supply outputs to the IC697CHS* rack backplane and monitors the TTL signal, as well as the +5V, in order to provide logic-level sequencing signals to the backplane. The physical connection from the power supply to the PSA is through a cable that is connected to the power supply at the factory.
The module can be used either in a single rack application or used to provide power to a second rack if the total load is within the supply rating. Interconnection to the second rack is made through an available prewired cable (IC697CBL700). Protection is provided for overcurrent and overvoltage fault conditions.
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