Rockwell Automation 865 Differential Protection Relay User Manual
Page 141

Communications
7-15
865-UM001A-EN-P – July 2009
Table 7.12 – IEC 60870-5-101 Parameters
Parameter
Value
Unit
Description
Note
bit/s 1200
2400
4800
9600
bps
Bitrate used for serial
communication.
Set
Parity None
Even
Odd
Parity used for serial communication
Set
LLAddr
1 – 65534
Link layer address
Set
LLAddrSize
1 – 2
bytes
Size of Link layer address
Set
ALAddr
1 – 65534
ASDU address
Set
ALAddrSize 1
–
2
Bytes
Size of ASDU address
Set
IOAddrSize
2 – 3
Bytes
Information object address size.
(3-octet addresses are created from
2-octet addresses by adding MSB
with value 0.)
Set
COTsize
1
Bytes
Cause of transmission size
TTFormat Short
Full
The parameter determines time tag
format: 3-octet time tag or 7-octet
time tag.
Set
MeasFormat Scaled
Normalized
The
parameter
determines
measurement data format:
normalized value or scaled value.
Set
DbandEna No
Yes
Dead-band calculation enable flag
Set
DbandCy
100 – 10000
ms
Dead-band calculation interval
Set
Set = An editable parameter (password needed)