
iSMA-B-W0202 Modbus User Manual
version 1.2
Page 33 / 49
List of Modbus registers
Modbus
Address
Dec
Address
Hex
Address
Register name
Access
Description
30001
0
0x00
VERSION AND MODULE
TYPE
Read Only
Firmware version and module type
(30001)
30004
3
0x03
RS485 COUNTER OF
RECEIVED FRAMES
(32–bits)
Read Only Counter of received messages (30004)
Default state is 0 Reset at the unit start
and change of transmission
parameters.
30006
5
0x05
RS485 COUNTER OF
FRAMES WITH ERROR
(32–bits)
Read Only
Counter of error messages (30006)
Default state is 0 Reset at the unit start
and change of transmission
parameters.
30008
7
0x07
RS485 COUNTER OF SENT
FRAMES
(32–bits)
Read Only
Counter of sent messages (30008)
Default state is 0 Reset at the unit start
and change of transmission
parameters.
30017
15
0x0F
STATUS OF SPECIAL INPUTS
WORKING AS DIGITAL
INPUT
Read Only
Status of Special Inputs working as
Digital Inputs are represented by bits 0
and 1 in register ( 30017)
40001
0
0x00
VERSION AND MODULE
TYPE PLUS ENABLE OF
ACTIONS
Read &
Write
Firmware version and module type
plus enable of actions
Value
Type of action
0x01FF
Reset of device
0x02FF
Reload settings
(RS485, Radio)
0x03FF
Set device to default
40018
17
0x11
STATE OF DIGITAL
OUTPUTS
Read &
Write
State of Digital Outputs (40018)
40020
19
0x12
SPECIAL INPUTS
COMMAND REGISTER
Read &
Write
Special Inputs command register
(40020)
40021
20
0x14
SPECIAL INPUTS BLOCKING
Read &
Write
Special Inputs blocking (40021)
default set to 0
40022
21
0x15
COUNTER RESET
Read &
Write
Resetting counters value (40022)
Set bit in register to reset
corresponding counter.
40023
22
0x16
COUNTER 1 LSB
Read &
Write
Memory
32-bit counters for each Special Input
counting pulses.
40024
23
0x17
COUNTER 1 MSB
40025
24
0x18
COUNTER 2 LSB
Read &
Write
Memory
40026
25
0x19
COUNTER 2 MSB
30071
70
0x46
SPECIAL INPUT 1 VOLTAGE Read Only
Special Input measure voltage 1 – 2
(30071, 30073)
and
Special Input measure temperature 1 –
2 (30072, 30074)
Voltage measurement value is
30072
71
0x47
SPECIAL INPUT 1
TEMPERATURE
Read Only
30073
72
0x48
SPECIAL INPUT 2 VOLTAGE Read Only
30074
73
0x49
SPECIAL INPUT 2
TEMPERATURE
Read Only