7SG163 Ohmega 300 Series Maintenance
©2010 Siemens Protection Devices Ltd
Chapter 10 Page 5 of 6
SYMPTOM PROBLEM
ACTION
Ensure connection between PC and relay
(either via the front RS232 port or TX2 and
RX2 on the rear of the relay) has been
correctly made.
Ensure Relay address is set correctly on
both the relay and within ReyDisp Evolution.
If the relay address is set to “0” the relay will
not communicate.
Ensure the baud rate / parity settings on the
PC are the same as those set on the relay.
Relay unable to communicate using
ReyDisp Evolution software
Communication
channel incorrectly
configured.
Refer to Section 6 of
this manual for more
details on the
configuration of the
Communication
Channel
If using the front port ensure that the setting
IEC870 on Port
is set to COM2 & COM2
DIRECTION is set to either Auto-Detect or
the port being used.
