
screen and then display the connected version of the TCC600 Main Screen with
Read-Only permission.
4.5
Using fiber-optic communications
The fiber optic interface is connected to the rear COM Port of the device. It can be enabled
through the front panel under the Comm setting menu. When fiber optic is selected, the
RS-485 is disabled. The fiber optic baud rate is selectable from 300 to 115200 bps.
The echoing of the received data is supported by the hardware. Switch (located on the side
of the control to the right of the TX fiber transmitter connection as viewed from the rear
of the control) opened, will disable the echoing feature (echo off). Echo ON is primarily
used if the control is in a daisy chain network. Disabling the echo transmission is usually
done when there is peer to peer communication. If the client software supports echo
canceling, as is the case for TCC600, then there is no need to disable echo transmission.
In this case echo cancel should be enabled on the client software. Physical specification:
•
Fiber type: Multi mode
•
Tested with fiber size 62.5/125 or 200 HCS™
•
820 nm nominal wavelength
To use TCC600 to interrogate, set, or monitor the TCC300 Digital Tapchanger Control
using a Fiber Optic connection the following conditions must be met:
•
The control is physically connected to a Fiber Optic network consistent with the
correct hardware and connection requirements.
•
TCC600 software communication parameters and device parameters must match the
control’s default Fiber Optic settings and the selected/default device parameters.
Elements of the control’s Fiber Optic Port communication parameters include the
following (default settings):
•
Baud Rate (115200 bps)
•
Sync Time (2 ms)
•
Parity (None)
•
Stop Bits (1)
Default device parameters that are at the default settings or have been configured locally
at the control include (default settings):
Section 4
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