Overview of Connections
Right Side – Voltage and Current Terminals
L1, L2, L3 voltage inputs. Rated for
100 to 480 Vac nominal, 50/60Hz.
Earth terminal – Functional. Used as
the reference point for voltage
measurements.
Neutral terminal – optional depending
on your power configuration.
Inputs for CT sensors – nominal 0.333 V
RMS
(LOW range) or ±10 V
pk
(HIGH range).
Left Side: Communication and General I/O
10/100 Ethernet RJ-45 port. PoE compatible
only when modem is not present.
Analog & Digital I/O terminals
24 Vdc power supply input.
(2) Environment Probe USB interface:
USB 1.0 ports for use ONLY with ENV2.
20 Vdc AUX power output (4 W max)