![background image](http://html1.mh-extra.com/html/watts/blucher-connected-roof/blucher-connected-roof_user-manual-and-installation-manual_3779458027.webp)
REV. 01 - OCTOBER 2020 - BLÜCHER
®
CONNECTED ROOF
27
Table 2. Modbus registers are grouped by parameter type (the values are mirrored from the corresponding registers in the Table 1)
sensor
index
Modbus
name
index
value type
range and unit
object
type
object
access
size, bit
address offset 1
bit
offset
01
device tag
01
string of 32 ASCII characters
1st character
input
register
R
16
11901
8-15
2nd character
11901
0-7
…
…
…
31st character
11916
8-15
32nd character
11916
0-7
…
…
16
device tag
241
string of 32 ASCII characters
1st character
12141
8-15
2nd character
12141
0-7
…
…
…
31st character
12156
8-15
32nd character
12156
0-7
…
…
1
device ID
1
hex
1st octet
12401
8-15
hex
2nd octet
12401
0-7
hex
3rd octet
12402
8-15
hex
4th octet
12402
0-7
…
…
16
device ID
31
hex
1st octet
12431
8-15
hex
2nd octet
12431
0-7
hex
3rd octet
12432
8-15
hex
4th octet
12432
0-7
…
…
1
HW version2
1
uint8
A (0 … 256)
12501
8-15
uint8
B (0 … 256)
12501
0-7
…
…
16
HW version2
16
uint8
A (0 … 256)
12516
8-15
uint8
B (0 … 256)
12516
0-7
…
1
SW version2
1
uint8
A (0 … 256)
12601
uint8
B (0 … 256)
12601
…
…
16
SW version2
16
uint8
A (0 … 256)
12616
8-15
uint8
B (0 … 256)
12616
0-7
1
frame counter
1
uint32, big endian byte order
12701
12702
…
…
16
frame counter
31
uint32, big endian byte order
12731
12732
…
1
time counter
1
uint32, big endian byte order
second
12801
12802
…
…
16
time counter
31
uint32, big endian byte order
second
12831
12832
…
…
1
communication lost alarm
1
bool
12901
0
blocked sensor alarm
bool
12901
1
blocked drain alarm
bool
12901
2
battery low alarm
bool
12901
3
internal leak alarm
bool
12901
4
…
…
16
communication lost alarm
16
bool
12916
0
blocked sensor alarm
bool
12916
1
blocked drain alarm
bool
12916
2
battery low alarm
bool
12916
3
internal leak alarm
bool
12916
4
…
…