Schneider Electric Owner's Guide

Configuration
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Trigger Source Descriptions
Configurable trigger sources are described below. The text in parentheses
indicates how the trigger source appears on the SCP. The remaining trigger
sources are errors, warnings, and faults that are not configurable. See their
descriptions in Table 3-6, “Warning messages” on page 3–9.
Low battery voltage (LowBattV) Activates the auxiliary output when the
battery voltage falls below the trigger setting for the trigger delay time.
Deactivates the auxiliary output when the battery voltage rises above the clear
setting for the clear delay time. Use this setting if you want the auxiliary output to
control a relay to disconnect loads from a battery that is nearly discharged, or to
activate a low-battery-voltage alarm such as a buzzer or light.
High battery voltage (HighBattV) Activates the auxiliary output when the
battery voltage rises above the trigger setting for the trigger delay time.
Deactivates the auxiliary output when the battery voltage falls below the clear
setting for the clear delay time. This setting is useful for:
• Installations that have another external charging source such as a wind
generator or hydro generator connected directly to the batteries. The charge
controller’s auxiliary output can control a relay to disconnect the external
charging source from the battery when the battery is close to being
overcharged or control a relay to turn on a diversion load.
• Activating a high-battery-voltage alarm such as a buzzer or light.
• Activating a vent fan to disperse hydrogen from the battery compartment
when the batteries reach their gassing voltage.
Low array voltage (LowArrayV) Activates the auxiliary output when the PV
array voltage falls below the trigger setting for the trigger delay time. Deactivates
the auxiliary output when the PV array voltage rises above the clear setting for
the clear delay time.
High array voltage (HighArrayV) Activates the auxiliary output when the PV
array voltage rises above the trigger setting for the trigger delay time.
Deactivates the auxiliary output when the PV array voltage falls below the clear
setting for the clear delay time. Use this setting if you want the auxiliary output to
control a series latching relay to disconnect the PV array from the charge
controller or trigger an alarm when the PV array voltage exceeds the trigger
setting (the charge controller’s maximum operating voltage is 550 VDC).
Low battery temperature (LowBattTemp) Activates the auxiliary output when
the battery temperature falls below the trigger setting for the trigger delay time.
Deactivates the auxiliary output when the battery temperature rises above the
clear setting for the clear delay time. Battery temperature is measured with a
BTS. Do not use this setting if a BTS is not installed. With this setting, the auxiliary
output can turn on an indicator alarm if the batteries are too cold. A battery with
frozen electrolyte will not accept a charge.
975-0560-01-01(XW-MPPT80-600_Ops).book Page 14 Wednesday, November 22, 2017 5:52 PM