REMEHA GTW-08 Modbus Konfigurationsanleitung Seite 9

Data type Description
OCTETSTRING Consecutive pairs of
8-bit UINT8 stored
one pair per 16-bit
register
VISIBLESTRING Consecutive pairs of
8-bit ASCII charac­
ters stored one pair
per 16-bit register
5.6 Main appliance information
Tab.12 Appliance registers
Modbus Data type Description
register
272 UINT8 Current system power re­
ceived from consumer man­
ager of the zone
275 UINT8 Bitfield heat demand per
zone; Nbr zone, power set­
point, temp setpoint and type
of heat demand
277 UINT16 List of error for all connected
devices in the system
279 UINT8 List of output status 2 infor­
mation of all connected devi­
ces in the system
280 UINT8 List of output status 2 infor­
mation of all connected devi­
ces in the system
384 INT16 Instantaneous outside tem­
perature
385 ENUM8 Seasonal mode active (sum­
mer / winter)
400 INT16 Flow temperature of appli­
ance.
401 INT16 Return temperature of appli­
ance. The temperature of the
water entering the appliance.
402 INT16 Temperature of the exhaust
gas leaving the appliance
403 INT16 Heat pump flow temperature
7854678 - v.01 - 15092023
Read Write Access trough
function function
code code
03d 16d Read or written as a series of 1
to 25 consecutive registers, de­
pending on the number of UINT8
specified for the OCTET­
STRING.
03d 16d Read or written as a series of 1
to 25 consecutive registers, de­
pending on the number of char­
acters specified for the VISIBLE­
STRING.
You can find all the relevant Modbus registers here for the main appliance.
Display codes in this manual are the same as friendly names referenced in
other manuals.
The relevant Modbus registers for cascade and zoning are found
in the other chapters.
R is read and W is write access.
Resolution / Format
1%
See the following table
Tab.13, page 11
See the following table
Tab.14, page 11
See the following table
Tab.15, page 11
0,01 °C
0:
Winter
1: Frost protection
2: Summer neutral band
3: Summer
0,01 °C
0,01 °C
0,01 °C
0,01 °C
5 Configuration
Min - max value
0 – 50 characters.
0 – 50 characters (in­
cluding. delimiter).
Strings are termina­
ted by a zero-delimit­
er.
Min - Max Access
0 - 100 R
0 – 255 R
0 – 65535 R
R
R
-70 – 70 R
0 – 3 R
-327,67 – 327,68 R
-327,67 – 327,68 R
-20 – 120 R
-20 – 120 R
en
Display
code
AM016
AM018
AM036
HM001
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