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3.2.5 AC Voltage Monitoring
Two ports are available for monitoring AC voltage sources: One for Utility line power, and a second for an
auxiliary/back up source such as generator or inverter with floating output.
Utility power: Connect AC voltage Line and Neutral to these input terminals 1&2. To measure and log AC
voltages from 90-264 VAC, 47-63Hz. Fuse the Line side (hot) with a 1 amp fast blow fuse (provided).
Auxiliary power: Connect to inverter output to measure a secondary AC source of 90-264 VAC, terminals 3 &4.
Fuse the line side (Hot) with a 1 amp fast blow fuse. Note: This input can be used to monitor a second utility or
generator source providing it's a Line to Neutral source with grounded Neutral which must be connected to
"INV IN (GND)", Terminal #4
CAUTION: Never connect the line side (Hot) of an AC source to INV IN (GND) or any RTN terminal on the
SPM.
3.2.6 Ethernet Connection
Remote monitoring requires Ethernet connection via RJ 45 jack. Plug into the port on left side of unit. A solid
green LED on the port indicates a link is established. A flashing green LED on the jack indicates activity (com).
The SPM-200 requires a 10BaseT connection.
P.O. Box 1306
Newport Beach
California 92663
Phone: 714-751-0488
Fax: 714-957-1621
E-Mail: techservice@newmarpower.com
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