
GUID-46025E27-EEFF-4A9A-A95C-8FC9626F1265 V1 EN
Figure 71:
Successfully Connected Access level 2 Screen
4.4
Using RS-485 communications
To use TCC600 to interrogate, set, or monitor the TCC300 Digital Tapchanger Control
using a RS-485 connection the following conditions must be met:
•
The control is physically connected to a RS-485 network consistent with the correct
hardware and connection requirements.
•
TCC600 software communication parameters and device parameters must match the
control’s default RS-485 settings and the selected/default device parameters.
Elements of the control’s RS-485 Port communication parameters include the following
(default settings):
•
Baud Rate (9600 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):
•
Device (Comm) Address (1)
•
Protocol (DNP)
•
Echo Cancel (fiber optic) (None)
1.
For Communication Using RS-485 Connection, ensure the following conditions
exist:
Section 4
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