Siemens Argus 7SR21 Technical Manual page 392

7SR220 Technical Manual
Setting Name
COM3 LIGHT ON
Line Idle LIGHT OFF
COM3
ON
#1
OFF
Data Echo
Local
COM3
Local or Remote
Mode
Remote
The following settings, on the COMMUNICATIONS MENU, must be configured when using the fibre Optic Com4
interface
Setting Name
OFF
COM4 IEC60870-5-103
Protocol MODBUS-RTU
DNP3
COM4 0 - 254 for IEC60870-5-103
Station 1 - 247 for Modbus RTU
Address 0 - 65534 for DNP3.0
75 110 150 300
COM4
600 1200 2400 4800
Baud Rate
9600 19200 38400
NONE
COM4
ODD
Parity
EVEN
COM4 LIGHT ON
Line Idle LIGHT OFF
COM4
ON
#1
OFF
Data Echo
Local
COM4
Local or Remote
Mode
Remote
#1 In ring mode, echo = on, the whole fibre optic data comms link will be interrupted if the relay element is withdrawn
from the case.
Chapter 4 - Page 12 of 96
Range/Options
Range/Options
Default Setting
LIGHT OFF
OFF
Remote
Default Setting
IEC60870-5-103
0
19200
EVEN
LIGHT OFF
OFF
Remote
© 2017 Siemens Protection Devices Limited
Notes
Sets the fibre optic
line idle state.
Set to ON when
relays are connected
in a fibre-optic ring
configuration.
Refer to Appendix
1, page 95, for
further explanation
Notes
The protocol used
to communicate on
the standard RS485
connection.
An address within the
range of the relevant
protocol must be
given to identify the
relay. Each relay in a
network must have a
unique address.
The baud rate set
on all of the relays
connected to the
control system must
be the same as the
one set on the master
device.
The parity set on
all of the relays
connected to the
control system must
be the same and in
accordance with the
master device.
Sets the fibre optic
line idle state.
Set to ON when
relays are connected
in a fibre-optic ring
configuration.
Refer to Appendix
1, page 95, for
further explanation