iSMA-B-MINI/MIX Modbus User Manual
www.ismacontrolli.com
DMP262en | 1st Issue rev. 8 | 05/2022
page 62 of 107
9 List of Modbus Registers
Modbus
Address
Decimal
Address
Hex
Address
Register Name
Access
Description
30001
0
0x00
VERSION AND
MODULE TYPE
Read-only
30002
1
0x01
MODULE ADDRESS
(state of switch)
Read-only
30003
2
0x02
BAUD RATE AND
PROTOCOL
(state of the switch)
Read-only
30004
3
0x03
COUNTER OF
RECEIVED FRAMES
(32 – bits)
Read-only
Default state is 0
Reset at the unit start and
change of transmission
parameters
30006
5
0x05
COUNTER OF
FRAMES WITH
ERROR (32 – bits)
Read-only
Default state is 0
Reset at the unit start and
change of transmission
parameters
30008
7
0x07
COUNTER OF SENT
FRAMES
(32 – bits)
Read-only
Default state is 0
Reset at the unit start and
change of transmission
parameters
30012
11
0x0B
UP TIME
Read-only
This 32-bit register contains
module counting time in
seconds from the last
powering up or module
reset
30015
14
0x0E
STATUS OF
MANUAL
OPERATION
Read-only
Status of manual operation
DO, TO, and AO for MINI
series modules
30016
15
0x0F
STATE OF DIGITAL
INPUTS
Read-only
Status of digital inputs
30017
16
0x10
STATE OF
UNIVERSAL INPUTS
WORKING AS
DIGITAL INPUTS
Read-only
Status of universal inputs
operating as digital inputs
40001
0
0x00
DEVICE ACTIONS
Read/write
Allows for enabling 1 of 3
device actions
40018
17
0x11
STATE OF DIGITAL
OUTPUTS
Read/write
State of digital outputs