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ЕТ-485
NOVATEK-ELECTRO
Parameter
Min
–
Max
Factory
setting
Description
Address
Modbus code of
exception, gene-
rated at absence
of answer from
query addressee
0
–255
11
0: If there is no answer from the query addressee
(Gateway Timeout), the answer is not returned to the
client.
1-255: If there is no answer from the query addressee, this
exception code is returned to the client.
598
ACC settings
Enable using of
DNS server with
gateway IP
address
0
–1
1
Used when DHCP is not available (is off)
0: DNS of gateway is not used
1: DNS of gateway is used to identify client (or DCRS) IP ad-
dress for active connection, if its address is set as host name
1500
Enable using of
DNS server with
manually set IP
address
0
–1
1
Used when DHCP is not available (is off)
0: DNS with manually set IP is not used
1: DNS with manually set IP is used to identify client (or
DCRS) IP address for active connection, if its address is
set as host name
1501
Manually set IP
address of DNS
server
IP
address
8.8.8.8
Used when manual address of DNS server is enabled in
order to identify client (or DCRS) IP address for active
connection, if its address is set as host name
1502
–
1505
Enable
active
connection
to
the client
0
–1
0
0: active connection to the client is not used
1: Modbus queries are also received from the client (or
DCRS) with set address, to which ET-485 establishes and
maintains connection. This client recieves rights of the
second primary ET-485 client
1506
Enable sending
of unique MAC
address of the
unit after active
connection
to
the client
0
–1
1
Used in the mode of active connection to the client.
0: automatic sending is not accomplished
1: after active connection to the client the unit once sends
1000
–1010 registers contents in the form of Modbus
response without client query (response
– 1000–1010
registers reading by function 3)
1507
Timeout
until
repeated active
connection
to
the client, sec
0
–
30 000
20
Used in the active connection to the client mode. After
loss of active connection to the client, repeated
connection will be established after present connection
timeout (after setting of the unit the first connection is
established after the fixed time interval of 5 seconds).
1508
Client port (or
DCRS) for ac-
tive connection
0
–
65535
20502
Used in the mode of active connection to the client. Client
(or DCRS) port, to which ET-485 establishes active
connection.
1509
Client (or
DCRS)
address for ac-
tive connection
Symbol
string
modbus.
overvis.com
Used in the mode of active connection to the client. IP
address (or host name) of the client or DCRS for active
connection
1510
–
1541
Table 9
– State of unit identification for ACC
Parameter
Description
Address
Unit type
see register 0
1000
Firmware version
see register 1
1001
Unique MAC address
Globally unique MAC address of the unit, which can be used for
identification by the client
1002
–
1007
ACC state flags
Bit 0
0: 0: error of unique MAC address reading
1: registers 1002
–1007 contain globally unique MAC
address
1008
Bit 1
0: 0: activation code on the data collection server is not set
1: activation code on the data collection server is set
Bit 2
0: ET-485 does not require new activation code from
the data collection server
1: ET-485 requires new activation code from the data
collection server
Bit 3
0: connection is not activated by the data collection
server
1:connection is activated by the data collection server
