Mounting RJ-45 coupler for an HMI service port - Arc protection - Auto synchronization - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Petersen Coil control - Grid automation - Busbar differential protection (high impedance) - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Transformer protection - 3 winding - Interconnection protection - Generator protection - Power management/Load shedding - Installation Manual - REX640 Protection and control - PCL4 - IEC - ANSI - 16.02.2023

REX640 Installation Manual
  1. Make a cutout for the RJ-45 coupler according to the dimensional drawing.
    Figure 1. RJ–45 connector panel cutout
    A
    Ø 22.5 mm (0.8858 in)
    B
    Ø 45 mm (1.7717 in)
    C
    11.9 mm (0.4685 in)
    D
    R 1.85 mm (0.0728 in)
    1
    Free space behind the panel
  2. Install the RJ-45 coupler with a cable to the panel cutout and connect the cable to the HMI service port X1.2.