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Connecting enerVista 745 Setup to the Relay
Configuring Serial
Communications
GE Multilin
Connecting enerVista 745 Setup to the Relay
Before starting, verify that the serial cable is properly connected to either the RS232
port on the front panel of the device (for RS232 communications) or to the RS485
terminals on the back of the device (for RS485 communications).
This example demonstrates an RS232 connection. For RS485 communications, the
GE Multilin F485 converter will be required. Refer to the F485 manual for additional
details. To configure the relay for Ethernet communications, see Configuring
Ethernet Communications on page 4–13.
1.
Install and start the latest version of the enerVista 745 Setup software
(available from the GE enerVista CD). See the previous section for the
installation procedure.
2.
Click on the Device Setup button to open the Device Setup window and click
the Add Site button to define a new site.
3.
Enter the desired site name in the Site Name field. If desired, a short
description of site can also be entered along with the display order of devices
defined for the site. In this example, we will use "Transformer Station 1" as the
site name. Click the OK button when complete.
4.
The new site will appear in the upper-left list in the enerVista 745 Setup
window.
5.
Click the Add Device button to define the new device.
6.
Enter the desired name in the Device Name field and a description (optional)
of the site.
7.
Select "Serial" from the Interface drop-down list. This will display a number of
interface parameters that must be entered for proper RS232 functionality.
–
Enter the slave address and COM port values (from the
menu) in the Slave Address and COM Port fields.
SERIAL PORTS
–
Enter the physical communications parameters (baud rate and parity
setpoints) in their respective fields. Note that when communicating to the
relay from the front port, the default communications settings are a baud
rate of 9600, with slave address of 1, no parity, 8 bits, and 1 stop bit.
These values cannot be changed.
http://www.GEindustrial.com/multilin
745
Transformer Management Relay
S1 745 SETUP
4–11
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