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9
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NOVATEK-ELECTRO
ЕТ-485
Character
string
In every register
– ASCII
character code or 0 (end of
string)
The set of values, each one of which is equal to code
1 of a symbol in ASCII code.
If the string is shorter than maximum length, last
character is followed by the code 0.
Maximum length
of the string for
the given
parameter
IP-address
(IP-mask)
In every register
– one byte
(0-255)
A set of four byte IPv4 address, from left to right
4
MAC-
address
In every register
– one byte
(0-255)
A set of six byte MAC-48 address, from left to right
6
Table 5
– The Unit Describing Parameters
Parameter
Description
Address
Unit type
Code identifying the Modbus unit by the manufacturer (12
– ET-485)
0
Firmware version
Version of firmware of the integrated software of the unit
1
Table 6
– The Unit Current Mode Parameters
Parameter
Min
– Max Initial value
Description
Address
Entering
password
String of
characters
0
When a valid password is input, the corresponding permit is
given to the client (see registers 543-580).
When an empty string is input, the rights of the client are reset
to the level of rights at the moment of connection.
100
–119
Control
command
0-3,
writing in the
configuration
mode
0
0: no activity
1: «Restart» – unit restart
2: «Save» – save the changed settings on the Modbus
3: «Factory reset» – reset the unit to factory settings
120
Table 7
– Parameters to determine the current condition of the unit
Parameter
Description
Address
Mode
(more detailed see register 141)
0: User mode
1: Configuration mode
121
Current IP-address
IP-address of the unit in Ethernet network
122
–125
Current MAC-address
MAC-address to authenticate the unit in Ethernet network
126
–131
Number of Modbus TCP clients
Number of connections provided over the Modbus TCP protocol
132
Modbus TCP clients limit
Total number of Modbus TCP connections (herewith, one
connection is always reserved for the main client)
133
Time, min
Number of minutes since the start
134
–135
Modbus TCP loading, requests/sec Number of requests processed in a second
136
Number of Ethernet network
congestions
Number of input buffer overflows for Ethernet
– from the
moment of start-up
137
Number of communication errors
Number of identified errors (connection/communication) after
which the work was continued, - since the start
138
Number of programmed resets
Number of resets according to user’s setting – during all
working time of the unit
139
Number of critical errors
Number of identified errors (failures) resulting in a restart of the
unit - during the whole period of operation
140
Access mode flags
Bit 0
0: the connected client cannot get the permit for
requesting functions of non-recording the devices,
connected to ET-485
1: the connected client can get the permit for requesting
functions of non-recording the devices, connected to
ET-485
141
Bit 1
0: the connected client does not have the permit for
requesting functions of non-recording the devices,
connected to ET-485
1: the connected client has the permit for requesting
functions of non-recording the devices, connected to
ET-485
