Technical description
6 Communication
6.2 Communication protocols
VM259.EN007
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231
6.2.6.
DNP 3.0
The device supports communication using DNP 3.0 protocol.
The following DNP 3.0 data types are supported:
binary input
binary input change
double-bit input
binary output
analog input
counters
Additional information can be obtained from the ―DNP 3.0
Device Profile Document‖.
DNP 3.0 communication is activated via menu selection. RS-
485 interface is often used but also RS-232 and fibre optic
interfaces are possible.
Parameters
Parameter
Value
Unit Description
Set
bit/s
4800
9600 (default)
19200
38400
bps Communication speed
Set
Parity
None (default)
Even
Odd
Parity
Set
SlvAddr
1
65519
An unique address for
the device within the
system
Set
MstrAddr
1
65519
255=default
Address of master
Set
LLTout
0
65535
ms
Link layer confirmation
timeout
Set
LLRetry
1
255
1=default
Link layer retry count
Set
APLTout
0
65535
5000=default
ms
Application layer
confirmation timeout
Set
CnfMode
EvOnly (default)
All
Application layer
confirmation mode
Set
DBISup
No (default)
Yes
Double-bit input support
Set
SyncMode
0
65535
s
Clock synchronization
request interval.
0 = only at boot
Set
Set = An editable parameter (password needed)