7
FIRMWARE VERSION
From time to time, as improvements are made to Prime products, the firmware controlling the
units is revised. When setting a unit up or troubleshooting it may be necessary to determine the
version number for the firmware installed in your unit. The version numbers begin with 1.0 and
are incremented either by tenths (1.1, 1.2, etc.) for small revisions or by the integer digit (1.0, 2.0,
etc.) for more significant revisions.
To determine the version of the firmware running in your unit, simply hold the calibration push
button in as power is applied to the unit. The revision number is displayed as one second flashes
of the green LED for the integer digit followed by one second flashes of the amber LED for the
fractional digit. Count the number of flashes on each LED to determine the revision number.
Thus one flash of the green followed by two flashes of the amber LED indicates version 1.2 of the
firmware.
POWER REQUIREMENTS
95 to 130 volts, 50/60 Hz at 50 mA.
OUTPUT RELAY SPECIFICATIONS
Maximum switched voltage: 380VAC
Maximum switched current: 14 amps N.O., 5 amps N.C, AC resistive,
8 amps DC
Maximum switched power: 20OW DC, 2,OOOVA AC.
Minimum required contact load: 12V, 100 mA
Expected mechanical life: 20 million operations
Expected electrical life: 100,000 operations at 8 amps, 240VAC
50,000 operations at 14 amps N.O., 5 amps N.C.,
120VAC resistive
30,000 operations at 7.2FLA, 45LRA, 120VAC
10,000 operations at 5FLA, 30 LRA, 240VAC
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