Instruction manual –AQ F210 Feeder Protection IED
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)
5
S
YSTEM INTEGRATION
The AQ-200 series IED have fixed communication connections RS-485 (2-wire) and RJ-
45options for system integration. Both of these rear ports are designed for SCADA and
service bus communications. In addition to these communication ports various
communication media options can be installed to the IED including serial fiber as well as
redundant Ethernet option cards.
COM B RS-485 pin-out description
Pin number (1=leftmost)
Description
1
DATA +
2
DATA -
3
GND
4 , 5
Terminator resistor enabled by shorting pins 4 and 5.
Supported communication protocols are IEC-61850, Modbus RTU, Modbus TCP and IEC-
103 for SCADA and telnet, ftp and SNTP for station bus communications and time
synchronization.
5.1
C
OMMUNICATION PROTOCOLS
5.1.1
NTP
NTP is short for Network Time Protocol. When NTP service is enabled in the device it can
use an external time sources for synchronization of the device system time. NTP client
service uses Ethernet connection to connect to NTP time server. NTP is enabled by setting
the Primary time server (and Secondary time server) parameters to the address of the
system NTP time source(s).
Parameter
Range
Description
Primary time server address
[0.0.0.0
…
255.255.255.255]
Primary
NTP
server
address. 0.0.0.0 = service
not in use.
Secondary
time
server
address
[0.0.0.0
…
255.255.255.255]
Secondary/backup NTP
server address. 0.0.0.0 =
service not in use.