MODBUS
FC013 Fancoil controller
Release 18.12.2014 ver. 01900
actual outside
temp
22 LSB
22 MSB
R, W RAM
actual outside temperature, may
be written to RAM optionally for
display
recalculate:
temperature =
read value/ 100
0 … 0
199.99 … 19999
-
0.01 … 0FFFFhex
-
199.99 … 0B1E1hex
set presence
mode
23 LSB
23 MSB
R,W
EEPROM
presence status set by user
(displayed symbols depend on the
configuration register
regulator
settings,
if set to
hotel
then
comfort, standby, off; if set to
residential
then day, night,
depression, auto, party)
(default = comfort/day, 0x0001)
bit 0 … comfort (occupied
house)
or
day (sun +
occupied house)
bit 1 … standby (empty
house)
or
night (moon +
occupied house)
bit 2 … off (off)
or
depression (empty house)
bit 3 … auto (clock) –
only
when residential
bit 4 … party (sun + drink
+ clock, after 2h goes to
auto)
–
only when
residential
bit 5 to 14 ... reserved
bit 15 ... write enable (if
set to 1 value will be
written into register, if in 0
attempt will be ignored)
set fan mode
24 LSB
24 MSB
R,W
EEPROM
Fan status set by user;
the stages correspond to:
Off: 0 %
Man1: 30 %
Man2: 70 %
Man3: 100 %
If Off, AO1 and AO2 are = 0.
(default = Auto, 0x0001)
bit 0 … Auto (fan + A)
bit 1 … Off (fan + M)
bit 2 … Man 1 (fan + M +
Stage1)
bit 3 … Man 2 (fan + M +
Stage1 and 2)
bit 4 ... Man 3 (fan + M +
Stage1,2 and 3)
bit 5 to 14 ... reserved
bit 15 ... write enable (if
set to 1 value will be
written into register, if in 0
attempt will be ignored)
actual control
mode
25 LSB
R, RAM
actual mode used for control, if on
manual
then the
actual control
mode
is equal to
set presence
mode
, if on
auto
then the
actual
control mode
is according to time
schedule
(displayed symbols depend on the
configuration register
regulator
settings,
if set to
hotel
then
comfort, standby, off;
if set to
residential
then day,
night, depression, auto, party)
bit 0 … comfort/day
bit 1 … standby/night
bit 2 … off/depression
