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LWPM 410
4
Frequently asked questions
1)
Is the Modbus protocol a master or slave protocol?
Modbus is a slave protocol
2)
Is the Modbus a Modbus RTU or Modbus Ascii? It is an RTU
Modbus
3)
Is the serial interface an RS232 or an RS485?
Modbus supports an RS 485 interface card.
4)
At which transfer rate are the data points transferred?
The standard transfer rate is 9600. However, it must be
adapted to the network.
5)
What are the Modbus slave numbers?
Tab. 4.1 auf S. 3
See
6)
Parity, none or even?
The parity is NONE.
7)
Where can the software version of the heat pump manager
be found?
The software version can be read in the operating data
menu.
NOTE
The current data point list for the relevant heat pump
manager software version is available for downloading under
www.dimplex.de/wiki.
SUPERVISOR_EXTENSION=0
HPM
Type
Address
Digital
1
Digital
2
Digital
...
Digital
198
Digital
199
Analogue
1
Analogue
2
Analogue
...
Analogue
126
Analogue
127
Integer
1
Integer
2
Integer
...
Integer
126
Integer
127
Table 4.1: Modbus slave numbers
www.dimplex.de
The
Modbus
Type
Address
Coil
2
Coil
3
Coil
...
Coil
199
Coil
200
Register
2
Register
3
Register
...
Register
127
Register
128
Register
130
Register
131
Register
...
Register
255
Register
256
452115.66.86 · FD 0211
5
Technical specifications
Operating conditions
0 to 55°C, 20/80% r.h. condensation-free
Storage conditions
-20 to 70°C, 20/80% r.h. condensation-free
Degree of environmental pollu-
normal
tion
Cable dimensioning
Cable 2 x 0.5mm² screened; max. length 50m
Pin
Assignment
1
GND
2
RX+/TX+
3
RX-/TX-
English
EN-3
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