Power Measurement 7330 ION - Configuring the 7330 ION-RM

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The following table lists protected quantities and modules that are locked when
the hardware security system is enabled.
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When enabled, the 7330 ION-RM security system prevents unauthorized
alteration of revenue-related quantities. Refer to the previous section, “Security
Mechanisms” for details. By default, all 7330 ION-RM meters are shipped from
the factory with the security system enabled. The following sections describe the
steps required to configure a 7330 ION-RM meter.
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Before attempting to remove the back plate of the 7330 ION-RM, ensure that the
device is protected against static-electric discharge. To prevent damage to the
unit, wear an anti-static wrist strap at all times.
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1. Open all PT fuses (or direct voltage input fuses) and close all CT shorting
blocks.
2. Turn off all power to the 7330 ION-RM and disconnect the Line and Neutral
(or DC power) wires from the Supply Power inputs to the unit.
3. Disconnect all other wiring (or power off all other circuits) which may
present potentially hazardous voltage levels to the unit, such as connections
to the relay outputs.
4. Ensure that all cables still connected to the 7330 ION-RM are NOT live.
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