EasyManua.ls Logo

GE D90 Plus - Communications Overview; Front Panel Interface

GE D90 Plus
688 pages
Save Page as PDF
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
8D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
PRODUCT DESCRIPTION CHAPTER 2: PRODUCT DESCRIPTION
Communications overview
The EnerVista UR
Plus
Setup software can communicate with the relay through three ports:
the front panel USB port, the rear Ethernet port, and the rear RS485 port. Both rear ports
are located in slot D.
Figure 4: Communications overview
To communicate through the D90
Plus
rear RS485 port from a computer’s RS232 port, the
GE Multilin RS232/RS485 converter box is required. This device (catalog number F485)
connects to the computer using a straight-through serial cable. A shielded twisted-pair (20,
22, or 24 AWG) connects the F485 converter to the D90
Plus
rear communications port. The
converter terminals (+, –, GND) are connected to the D90
Plus
communication module (+, –,
COM) terminals. Terminate the line with a 120 Ω, 1 nF R-C network.
Communications via Ethernet requires a connection to an Ethernet network using a
standard copper or fiber cable. The Ethernet port can also connect directly to a computer
using a cross-over cable.
To communicate via the faceplate USB port, use a standard USB serial cable. No converter
box is required.
For additional information, refer to:
Main processor module
on page 44.
Front panel interface
Information is displayed on the D90
Plus
front panel through two display panels. One serves
as a digital annunciator and the other reflects display and control functions. The panels
provide easy access and visualization of device information, ranging from the large display

Table of Contents

Other manuals for GE D90 Plus

Preview: Communications Manual
Communications Manual222 pages

Related product manuals