Allen-Bradley Rockwell Automation 857 User Manual page 219

Table 7.11 – IEC 60870-5-101 Parameters
Parameter Value
bit/s 1200
2400
4800
9600
Parity None
Even
Odd
LLAddr 1 – 65534
LLAddrSize 1 – 2
ALAddr 1 – 65534
ALAddrSize 1 – 2
IOAddrSize 2 – 3
COTsize 1
TTFormat Short
Full
MeasFormat Scaled
Normalized
DbandEna No
Yes
DbandCy 100 – 10000
Set = An editable parameter (password needed)
Communications
Unit Description
bps Bitrate used for serial
communication.
Parity used for serial communication
Link layer address
bytes Size of Link layer address
ASDU address
Bytes Size of ASDU address
Bytes Information object address size.
(3-octet addresses are created from
2-octet addresses by adding MSB
with value 0.)
Bytes Cause of transmission size
The parameter determines time tag
format: 3-octet time tag or 7-octet
time tag.
The parameter determines
measurement data format:
normalized value or scaled value.
Dead-band calculation enable flag
ms Dead-band calculation interval
7-13
Note
Set
Set
Set
Set
Set
Set
Set
Set
Set
Set
Set
857-UM001A-EN-P – July 2009