RS485 MODBUS Module 8AI
User Manual
7. Modules Registers
7.1. Registered access
Modbus Dec
Hex
Register Name
Access
Description
30001
0
0x00 Version/Type
Read
Version and Type of the device
30002
1
0x01 Address
Read
Module Address
40003
2
0x02 Baud rate
Read & Write
RS485 baud rate
40004
3
0x03 Stop Bits & Data Bits
Read & Write
No of Stop bits & Data Bits (see 3.4.2)
40005
4
0x04 Parity
Read & Write
Parity bit
40006
5
0x05 Response Delay
Read & Write
Response delay in ms
40007
6
0x06 Modbus Mode
Read & Write
Modbus Mode (ASCII or RTU)
40010
9
0x09 Filter
Read & Write
Measurement filtering, value from 1 to 10
40033
32
0x20 Received packets MSB
Read & Write
No of received packets
40034
33
0x21 Received packets LSB
Read & Write
40035
34
0x22 Incorrect packets MSB
Read & Write
No of received packets with error
40036
35
0x23 Incorrect packets LSB
Read & Write
40037
36
0x24 Sent packets MSB
Read & Write
No of sent packets
40038
37
0x25 Sent packets LSB
Read & Write
30051
50
0x32 Inputs
Read
Connected inputs
Bit in high state → signal is connected
40052
51
0x33 Outputs
Read & Write
Alarms state
bit no. 3 digital output
30053
52
0x34 Voltage
Read
Voltage in μV
30054
53
0x35 Current
Read
Current in
μA or
‰
30055
54
0x36 Alarm – max voltage
Read & Write
Maximum value of voltage excess which causes set
bit no 1 in the register 40052
30056
55
0x37 Alarm – min voltage
Read & Write
Minimum value of voltage. If voltage drops below
this voltage bit no 1 in the register 40052 is set.
30057
56
0x38 Alarm – max current
Read & Write
Maximum value of current excess which causes set
bit no 1 in the register 40052
30058
57
0x39 Alarm – min current
Read & Write
Minimum value of current. If current drops below
this voltage bit no 1 in the register 40052 is set.
30059
58
0x3A Voltage alarm configuration Read & Write
Alarms configuration
0 – alarms state depends on actual values
1 – alarms state need to clear by master
30060
59
0x3B Current alarm configuration Read & Write
30061
60
0x3C Voltage input configuration
Read & Write
0 – OFF
1 – 0 .. 10V
2 – -10 .. 10V
3 – 0 .. 1V
4 – -1 .. 1V
40062
61
0x3D Current input configuration
Read & Write
0 – OFF
1 – 0 .. 20mA (in
μA)
2 – 4 .. 20mA (in
‰)
3 – -20mA .. 20mA (in μA
)
40063
62
0x3E Digital output configuration
Read & Write
Digital output configuration
0 – output controlled by master
1 – output state depends voltage
2 – output state depends current
Expansion Module – 1 analog input, 1 digital output
User Manual
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