User Manual
8
Siemens
A6V11393927_en--_d
Smart Infrastructure
2021-04-06
Register name
Description
I/O
type
Modbus func-
tion code
Modbus
register
type
Start
address
Register
number
Data type
TR
Room temperature from
QMX1.M34H integrated
sensor
AI
04: Read input
register
Input
register
0
2
Float, F32-L-S
SpShftIn
Setpoint shift input value
from QMX1.M34H button
AI
04: Read input
register
Input
register
2
2
Float, F32-L-S
PscBtnIn
Presence button input
value from QMX1.M34H
BI
04: Read input
register
Input
register
4
1
U16-B
0x0001: occupied
0x0000: unoccupied
TRRu
Room Temperature for
QMX1.M34H visualization
AO
16: Write
multiple register
Holding
register
0
2
Float, F32-L-S
PrSpShftRu
Setpoint shift for
QMX1.M34H visualization
AO
16: Write
multiple register
Holding
register
2
2
Float, F32-L-S
PrSpRu
Present setpoint for
QMX1.M34H visualization
AO
16: Write
multiple register
Holding
register
4
2
Float, F32-L-S
PscBtnRu
Presence button for
QMX1.M34H visualization
BO
16: Write
multiple register
Holding
register
6
1
U16-B
0x0001: occupied
0x0000: unoccupied
SplyVtg
Power supply voltage for
QMX1.M34H
ACnf
Val
1)
16: Write
multiple register
Holding
register
7
1
U16-B
0x000F: 15 V power
supply (default value)
0x0018: 24 V power
supply
SpTRShftLm
Setpoint shift
limitation(symmetric)
ACnf
Val
1)
16: Write
multiple register
Holding
register
8
2
Float, F32-L-S
Min setpoint shift = -
SpTRShftLm
Max setpoint shift =
SpTRShftLm
Max range is 10.0K
(Default value)
SysUn
2)
System of unit
BCnf
Val
1)
16: Write
multiple register
Holding
register
10
1
U16-B
0x0000: ℃
0x0001: ℉
Note:
1)
ACnfVal (Analog configuration value) and BCnfVal (Binary configuration value) should only
be updated when initialize the room unit or the value is changed
2)
This data point has the same effect as local Temperature unit setting.










