4 Generac
®
Power Systems, Inc.
An annunciator connected to a system controller would
be a slave.
Annunciator Connected to System Controller
DO NOT set the PM-GC to a modbus master port.
This connection will not work.
SETTING TO PASSIVE MODE
To set the 20-light annunciator to passive mode, simply
connect an 18 to 22 gauge wire between header posi-
tions J3-1 and J3-2.
NOTE:
1. It is not recommended to connect more than a
total of two 20-light remote annunciator panels.
(one set to active mode, one set to passive mode)
2. Up to four remote relay panels can be used with
the two 20-light remote annunciators.
HARDWARE FUNCTIONAL DESCRIPTION
The Remote Annunciator Panel communicates with the
control system and updates the light panel and audible
annunciator as described below.
GENERATOR STOP SIGNALS
These lights will flash when any alarm occurs and the
horn will sound as follows:
The ‘Re-Arm Horn' switch can be used to turn off and
re-arm the horn, or the alarms can be fully acknowl-
edged using the ‘Reset' switch.
The ‘Reset' switch will turn off and re-arm the horn, and
any flashing lights will switch to the ON state until the
alarms are no longer present at the generator control
panel.
NOTE:
1. Alarm condition MUST be reset at the generator
set control panel.
2. When this annunciator is used in a Modular Power
System (MPS), an alarm on any one of the genera-
tors will cause the above lights to light, and alarm
to sound.
WARNING INDICATORS
These lights will flash when any alarm occurs and the
horn will sound according to the following table:
These alarms will be latched/not latched by the RAP
according to the above table. They can be acknowledged
at the RAP using the ‘Reset' switch—the active lamps
will then stop flashing and remain in the ON state until
the alarm signal clears from the generator control
panel. The ‘Reset' switch will also turn off and re-arm
the horn.
NOTE:
1. These lamps can only be fully reset when the
alarm state is no longer active and “Reset” has
been pressed at both the generator control panel
and the RAP.
Alternatively, at any time the horn can be turned
OFF and re-armed with the ‘Re-Arm Horn’ switch.
2. When this annunciator is used in a Modular Power
System (MPS), a warning on any one of the gener-
ators will cause the above lights to light, and
alarm to sound (if the warning is audible).
20-light Remote Annunciator
Annunciator Light Light Audible
Color Alarm
RPM Sensor Loss Red Yes
Overcrank Red Yes
Overspeed Red Yes
Low Oil Pressure Red Yes
High Water Temp/Low Water Level Red Yes
Emergency Stop Red Yes
Annunciator Light Light Audible Latched
Color Alarm
Pre-low OIl Pressure Yellow Yes Yes
Pre-high Water Temp Yellow Yes Yes
Pre-low Water Temp Yellow Yes Yes
Pre-low Fuel Yellow Yes Yes
Battery Charger AC Failure Yellow Yes No
Low Battery Voltage Yellow Yes No
High Battery Voltage Yellow No No
Generator Run Yellow No No
Generator Power Yellow No No
Not in Auto Red Yes No
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