1MAC309294-MB F Section 3
Basic functions
RER620 37
Technical Manual
Table 18: MODBUS settings
When the DNP unit address or DNP master and UR address setting is
changed, the relay must be rebooted to activate the new setting.
Parameter Values (Range) Unit Step Default Description
InOv 0=False
1=True
0=False Modbus Internal
Overflow:
TRUE-System level
overflow occurred
(indication only)
Serial port 1 0=Not in use
1=COM 1
2=COM 2
0=Not in use COM port for Serial
interface 1
Parity 1 0=none
1=odd
2=even
2=even Parity for Serial
interface 1
Address 1 1...255 1 Modbus unit address
on Serial interface 1
Link mode 1 1=RTU
2=ASCII
1=RTU Modbus link mode
on Serial interface 1
Start delay 1 0...20 char 4 Start frame delay in
chars on Serial
interface 1
End delay 1 0...20 char 3 End frame delay in
chars on Serial
interface 1
Serial port 2 0=Not in use
1=COM 1
2=COM 2
0=Not in use COM port for Serial
interface 2
Parity 2 0=none
1=odd
2=even
2=even Parity for Serial
interface 2
Address 2 1...255 2 Modbus unit address
on Serial interface 2
Link mode 2 1=RTU
2=ASCII
1=RTU Modbus link mode
on Serial interface 2
Start delay 2 0...20 4 Start frame delay in
chars on Serial
interface 2
End delay 2 0...20 3 End frame delay in
chars on Serial
interface 2
MaxTCPClients 0...5 5 Maximum number of
Modbus TCP/IP
clients
TCPWriteAuthority 0=No clients
1=Reg. clients
2=All clients
2=All clients Write authority
setting for Modbus
TCP/IP clients
EventID 0=Address
1=UID
0=Address Event ID selection
TimeFormat 0=UTC
1=Local
1=Local Time format for
Modbus time stamps