Toshiba HWS-G2601ENXR-E - Page 40

Domestic Hot Water Heat Pump Service Manual
39
ModBus should be set form the installer menu D2, see the table below:
Code
Set point
name
Description
Range
Factory setting
D2
Modbus
D2.1
Address
The Modbus address can be selected
between 1 and 247
1 ~ 247
30
D2.2
Baud Rate
The Modbus baud rate can be selected
or de-activated
9600 ~ 19200
19200
D2.3
Parity
The Modbus parity can be selected or
de-activated
Even /
Odd /
OFF
Even
D2.4
Modify
If this function is activated, it is possible
to modify the set points kept for
development with a data logger
OFF / ON
OFF
Note: Stop bits are factory set to 1.
ModBus can be accessed by means of the XB/WF1 connection and by the use of the micro-USB
connection on the front panel, located under the display surround. The factory settings are
displayed in the table below.
Parameter
MODBUS
Via connector X8/WF1
MODBUS
via USB
Modbus Mode:
RTU
Baud rate:
19200 / 9600 (Default = 19200)
Data bits:
8
Parity:
Even / Odd / None (Default = Even)
Stop bits:
1
Modbus Address
1 ~ 247 (Default = 30)
Only 30
ModBus has 2 control levels.
The first control level is used for monitoring functions only and the second can be used for reading
or writing data depending on the status of installer menu parameter D2.4 ModBus Modify. This
parameter can only be changed by using the controller on the front of the DHW-HP.