7SR220 Technical Manual
Chapter 4 - Page 14 of 96
© 2017 Siemens Protection Devices Limited
Setting Name
Range/Options
Default
Setting
Notes
COM3
Protocol
OFF
IEC60870-5-103
MODBUS-RTU
DNP3
IEC60870-5-103
The protocol used
to communicate on
the standard RS485
connection.
COM3
Station
Address
0 - 254 for IEC60870-5-103
1 - 247 for Modbus RTU
0 - 65534 for DNP3.0
0
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.
75 110 150 300
19200
The baud rate set
on all of the relays
COM3
600 1200 2400 4800
connected to the
control system must
Baud Rate
9600 19200 38400
be the same as the
57600 115200
one set on the master
device.
The parity set on
all of the relays
COM3
NONE
ODD
EVEN
connected to the
control system must
Parity
EVEN
be the same and in
accordance with the
master device.
COM3
Line Idle
LIGHT ON
LIGHT OFF
LIGHT OFF
LIGHT OFF
Not applicable for
RS 485 or RS 232
option, set to OFF.
COM3
Data Echo
#1
ON
OFF
OFF
OFF
Not applicable for
RS 485 or RS 232
option, set to OFF.
COM3
Mode
Local
Local or Remote
Remote
Remote
Refer to
, page
, for
further explanation
Fig. 2-5 Additional (Optional) Rear RS485 + IRIG-B Connection to a PC
2.6 Optional Rear RS232 (COM3)
The following settings, on the COMMUNICATIONS MENU, must be configured when using the electrical RS232
Com3 interface.
7SR24
COMMS MODULE
IRIG-B
RS485 Screened
twisted pair
COM3
GND
TERM
USB or 9 pin male
D connector
B
A
Laptop computer
RS232 straight
through cable
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
Page 386: ...7SR220 Technical Manual Chapter 4 Page 6 of 96 2017 Siemens Protection Devices Limited ...
Page 398: ...7SR220 Technical Manual Chapter 4 Page 18 of 96 2017 Siemens Protection Devices Limited ...
Page 414: ...7SR220 Technical Manual Chapter 4 Page 34 of 96 2017 Siemens Protection Devices Limited ...
Page 466: ...7SR220 Technical Manual Chapter 4 Page 86 of 96 2017 Siemens Protection Devices Limited ...
Page 468: ...7SR220 Technical Manual Chapter 4 Page 88 of 96 2017 Siemens Protection Devices Limited ...
Page 470: ...7SR220 Technical Manual Chapter 4 Page 90 of 96 2017 Siemens Protection Devices Limited ...
Page 472: ...7SR220 Technical Manual Chapter 4 Page 92 of 96 2017 Siemens Protection Devices Limited ...
Page 643: ...Unrestricted ...