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Changeable
The parameters listed in Table 5.8 that can be changed
settings
and activated as described in it. 5.3.3 and 5.3.4
Active settings The settings being used by the device at the moment
The set is saved regardless the power of the device and
Saved settings
is used at starting
Table 5.4 – Format of parameters presentation in Modbus registers
Parameter
Range of values
0 – 65535
Number
-32768 – +32767
Number
0 – 4294967295
Number
In two registers,
Upper part – first
-2147483648 –
+2147483647
Number
in two registers, the upper
part is the first
In every register – number of
Character
0 to 255 - ASCII character
string
code or 0 (the end of string)
In every register – one byte
IP-address
(IP-mask)
In every register – one byte
MAC-address
Table 5.5 – Parameters describing the device
Parameter
The code that defines the MODBUS product by the manufacturer (23 – EM-481)
Device type
Firmware version
Firmware version of embedded software
Check code
CRC32 of firmware of embedded software
Table 5.6 – Parameters of the current mode
Range of
Parameter
values
Entering
String of
password
characters
0–40959,
Writing in
Control
the
command
configura-
tion mode
Table 5.7 – Parameters of current state
Parameter
NOVATEK-ELECTRO
Whole number (16 bit) in standard range of Modbus
register values
Whole number (16 bit) in complementary arithmetic
Whole number, which value can exceed the limit for
Modbus register (65535)
Whole number (32 bit) in complementary arithmetic
A set of values, each of which is equal to the code of one
character in the ASCII encoding. If the string is shorter than
the maximum length, the last character is placed code 0.
Set of four byte of address IPv4, from left to right
(0–255)
Set of six byte of address MAC-48, from left to right
(0–255)
Initial
volume
When entering a valid password, the client is given the
appropriate permission (see registers 710 - 749).
0
When you enter an empty string, the client rights are reset to the
rights level at the time of connection.
0: no activity;
1: "Restart" – EM-481 restart;
2: "Save" – save the changes of settings via MODBUS;
3: "Apply" - apply settings without restarting (only available for
MODBUS and user parameters);
4: "Save and apply" - similarly to commands 2 and 3 sent one after
another;
9: "Cancel" - to read the saved settings;
51: "Apply for Modbus" – apply settings via Modbus and RS-485;
59: "Apply for user" – apply settings for the user area of the registers;
81: "Synchronize clock with NTC server"
0
82: "Obtain account balance from GSM operator"
444: "Back to Factory Settings" - reset the settings to the factory
settings;
35381: "Start setting the clock" - it allows access to the registers
of clock setting;
35431: "Cancel setting the clock" - it closes the access to the
registers of the clock setting without changing hours;
40959: "Clear the internal memory of the tasks" - to erase the
program for logic of actions (when the memory card is inserted, it
will automatically read again).
11
-
-
Only in mode of setting,
reading or writing
In any mode, only
reading
Only in mode of setting,
only reading
Description
Description
Description
Description
300 – 799,
5250 – 5499
2300 – 2799,
5500 – 5749
3300 – 3799,
5750 – 5999
Number of occu-
pied registers
1
1
2
2
Max. length of
string for this
parameter
4
6
Address
0
1
2–3
Address
100–
119
120
Address
EM-481
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