Rear Rs485 Connection; Configuring Relay Data Communication; Figure 2.1-2 Rs485 Connection To Pc - Siemens 7PG2113 Manual

2.1.2

Rear RS485 connection

USB or 9 pin male
RS232 straight
Laptop computer
through cable or
USB to RS232
Converter cable
2.1.3 2.1.3

Configuring Relay Data Communication

Configuring Relay Data Communication
Using the keys on the relay fascia scroll down the settings menus into the 'communications' menu and if Using the keys on the relay fascia scroll down the settings menus into the 'communications' menu and if
necessary change the settings for the communication port you are using on the relay. Reydisp software uses necessary change the settings for the communication port you are using on the relay. Reydisp software uses
IEC60870-5-103 protocol to communicate. IEC60870-5-103 protocol to communicate.
When connecting the relay to a pc using the front USB port, the Reydisp setting software will automatically detect When connecting the relay to a pc using the front USB port, the Reydisp setting software will automatically detect
the relay without making any setting changes in the relay first as long as the USB is selected to IEC60870-5-103. the relay without making any setting changes in the relay first as long as the USB is selected to IEC60870-5-103.
COM1-RS485 Port COM1-RS485 Port
COM2-USB Port COM2-USB Port
Setting name Setting name Range
0 ... 65534 (DNP3)
1 ... 254 (103)
Station Address
0 ... 247 (MODBUS)
DNP3 Unsolicited
Disabled/Enabled
Events
DNP3 Destination
0 ... 65534
Address
OFF, IEC60870-5-103,
COM1-RS485 Protocol
MODBUS-RTU,DNP3
75 110 150 300 600 1200
COM1-RS485 Baud
2400 4800 9600 19200
Rate
38400
NONE, ODD, EVEN
COM1-RS485 Parity
OFF, IEC60870-5-103,
MODBUS-RTU,
COM2-USB Protocol
ASCII,DNP3
©2010 Siemens Protection Devices Limited
RS232 to RS485
D connector
9/25 pin connector

Figure 2.1-2 RS485 connection to PC

Figure 2.1-2 RS485 connection to PC
Default
0
Disabled
0
IEC60870-5-
103
19200
EVEN
IEC60870-5-
103
7PG2113/4/5/6 Solkor Settings
Converter with
Auto Device
Enable (ADE)
A
B
RS485 Screened
twisted pair
Units Notes
Address given to relay to
identify that relay from
others which may be using
the same path for
communication as other
relays for example in a fibre
optic hub
This setting is only visible
when DNP3 Unsolicited
Events is Enabled.
COM1 is the rear mounted
RS485 port
14
18
Rear terminals
Chapter 2 Page 18 of 21