iSMA-B-MG-IP User Manual
www.ismacontrolli.com
DMP260en | 1st Issue rev. 6 | 05/2022
page 28 of 29
8 List of Modbus Registers
Modbus
Address
Decimal
Address
Hex
Address
Register Name
Access
Description
30001
0
0x00
VERSION AND DEVICE
TYPE
Read-only
30002
1
0x01
DEVICE ADDRESS
(state of switch)
Read-only
30003
2
0x02
BAUD RATE AND
PROTOCOL
(state of switch)
Read-only
30004
3
0x03
MODBUS RECEIVED
FRAMES COUNTER
(32 – bits)
Read-only
Default state is 0. Reset at
the device start and
change of transmission
parameters.
30006
5
0x05
MODBUS ERROR
FRAMES COUNTER 32
– bits)
Read-only
Default state is 0. Reset at
the device start and
change of transmission
parameters.
30008
7
0x07
MODBUS
TRANSMITTED
FRAMES COUNTER
(32 – bits)
Read-only
Default state is 0. Reset at
the device start and
change of transmission
parameters.
30012
11
0x0B
UP TIME
Up device time in sec
30015
14
0x0E
M-BUS RECEIVED
FRAMES COUNTER
Read-only
Default state is 0. Reset at
the device start and
change of transmission
parameters.
30017
16
0x10
M-BUS TRANSMITTED
FRAMES COUNTER
Read-only
Default state is 0. Reset at
the device start and
change of transmission
parameters.
30019
18
0x12
M-BUS ALARMS
COUNTER
Read-only
Default state is 0. Reset at
the device start and
change of transmission
parameters.
30130
129
0x81
HARDWARE_VERSION
Read-only
The current hardware
version of a device
30131
130
0x82
MAC_ADDRESS (32 –
bits)
Read-only
The MAC address of a
device
40001
0
0x00
DEVICE ACTIONS
Read/write
Allows to enable 1 of 3
device actions