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©
2017 Sensata Technologies
Introduction
Figure 1-2, Internal Features
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The PT controller is equipped with the following features (under the access cover) see Figure 1-2):
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DIP Switch
– this Dual In-line Package (DIP) switch determines the different operating
features of the PT Series. See Section 3.0 for information on con
fi
guring this switch.
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ARC Fault Test Button Switch
– designed to be a momentary button switch that allows
the ARC Fault circuit to be tested. See Section 4.6.1 for information on this switch.
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ARC Fault LED
– The red LED
fl
ashes to alert you that a series arc has been detected in
the PV system, or the arc-fault test button has been pushed.
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Auxiliary (Aux) Relay Connection Terminal
– a 3-port terminal block to allow
connection to an internal aux relay. See Section 2.9 to wire and set up the Aux Relay.
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USB Micro-B Port
– this connector port allows you to download and install updated
fi
rmware into the PT-100. See Section 5.8 to update the
fi
rmware in your PT-100.
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DC Terminal Block
– a 4-port terminal block to connect the PV and battery wires. See
Section 2.7.8 and 2.7.9 for information on wiring to this terminal block.
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Ground Fault Fuse
– this is the fuse for the Ground Fault Detection Interrupter (GFDI)
circuitry. See Section 5.5 for information on replacing this fuse.
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Ground Busbar
– this ground busbar is connected to the PT controller chassis and is used
to tie the DC equipment grounds to a common point (refer to Figure 2-17).
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Wiring Box
– provides the location for making the PV, battery and ground connections, and
includes knockouts to accommodate and secure input and output
fi
eld
wiring. This box has
also been designed to remain in place if the PT-100 requires service (refer to Section 5.6).
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Dual Stack Ports
– these two RJ45 ports are provided to allow multiple controllers to
be connected (or stacked) together. See Sections 2.11 and 4.13 for stacking information.
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Network Connection Port (green label)
– a RJ11 port that allows the PT-100 to network
to a Magnum inverter. See Section 2.10 for information on networking.
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BTS Connection Port
(yellow label)
– a RJ11 port that allows the Battery Temperature
Sensor (BTS) to connect to the PT-100. See Section 2.8 for information on the BTS.
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