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You can enable or disable the transmission of a PGN message, or set the frequency of transmission
of the message by pressing the Enter key ( ) on the message to be configured. Options are:
• Off – The PGN will not be transmitted
• On – The PGN will be transmitted at its default NMEA2000 rate.
• 0.5s…5s – The PGN will be transmitted at the interval specified.
Select the required option using the Scroll Up and Scroll Down keys followed by the Enter key.
6.3.1.11 Restore Factory Defaults
This option restores all settings on the ACM100 device to their factory default state.
6.3.2 AC Circuit Type
You must configure the ACM100 as to what type of AC circuit connection it is monitoring. The
allowable values for this parameter are as follows:
• Single-Phase (Phase A) – use this value when power is connected via a single hot wire and a
single neutral wire (a typical 110VAC connection in the US, or 220VAC connection in Europe).
• Single-Phase (Phase A, B) – use this value when power is connected via two hot wires (180°
out of phase with each other) and single neutral wire from a single phase of a transformer (a
typical 220VAC connection in the US).
• 3-Phase Y (Phase A, B, C) – use this value when power is connected via the three hot wires
(120° out of phase with each other) and single neutral wire from a three-phase “Y” connected
circuit.
6.3.3 AC Device Type
You must configure the ACM100 as to what type of AC source it is monitoring. The allowable values
for this parameter are as follows:
• Generator (default) – use this value when you are monitoring the output of an onboard
generator.
• Utility – use this value when you are monitoring shore power.
• Bus – use this value if you are monitoring power flowing across a cable that is not located
directly at the output of a generator or a shore power connection (e.g., an AC selection switch
might have as an input the shore power and another input from the generator, connecting the
ACM100 at the output of the AC selection switch would require the ACM100 to be configured
as “Bus”.
6.3.4 Device Instance
This entry allows you to program the NMEA 2000 device instance for the unit. You usually will not
need to modify the default value of “0” unless you have multiple ACM100s on the network.
6.3.5 Label
A device label may be assigned to the ACM100 as an aid to identifying the device over the network
(i.e., Shore Power or Port Generator, etc.). Typically this label will describe the equipment to which
the ACM100 is connected. See section 3.3.4 for details on how to enter a textual value.