Operation
Document No. D113-015
Page 46 of 77
Revision 1.9
Figure 4.6 - HART 4 DNP3 key update method.
The module supports all DNP3 MAC algorithms and Key Wrap algorithms. The module also
supports Aggressive Authentication mode which reduces the amount of traffic on the network
(which could be required on busy networks or serial communication).
4.3.
MODBUS TCP OPERATION
The Modbus TCP operation is enabled when the configuration protocol is set to either
Modbus TCP. The HART 4 module will then operate as a Modbus TCP Slave supporting the
following Modbus registers.
Register Type:
Holding Registers
Parameter
Byte
Length
Date
Type
Register
General Channel
0
Channel
1
Channel
2
Channel
3
Module Status
Bit 0 – Configuration Valid
Bit 1 – Channel 0 Enabled
Bit 2 – Channel 1 Enabled
Bit 3 – Channel 2 Enabled
Bit 4 – Channel 3 Enabled
Bit 5 – Channel 0 HART Enabled
Bit 6 – Channel 1 HART Enabled
2
INT
0
-
-
-
-
