MODBUS
FC013 Fancoil controller
Release 18.12.2014 ver. 01900
allowed
operation modes
45 LSB
45 MSB
R,W
EEPROM
settings that user is able to
perform
0 … disabled
1 … enabled
(default = temp corr, presence
mode 0x0101)
bit 0 … temp corr.
bit 1 … heating day temp
bit 2 … heating night
temp
bit 3 … heating
depression temp
bit 4 … cooling day temp
bit 5 … cooling night temp
bit 6 … cooling
depression temp
bit 7 … RTC time
bit 8 … presence mode
bit 9 … fan mode
bit 10 … time programme
presence mode
edit mask
46 LSB
46 MSB
R,W
EEPROM
states in presence mode that user
is able to switch between
(default = all, 0x001F)
bit 0 … day (sun +
occupied house)
bit 1 … night (moon +
occupied house)
bit 2 … depression
(empty house)
bit 3 … auto (clock)
bit 4 … party (sun + drink
+ clock, after 2h goes to
auto)
fan mode edit
mask
47 LSB
47 MSB
R,W
EEPROM
fan states that user is able to
switch between
(default = all, 0x001F)
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)
display symbols
48 LSB
48 MSB
R,W RAM
displayed symbols
bit 0 … spanner
bit 1 … boiler
bit 2 … alarm bell
bit 3 to 14 ... reserved
bit 15 ... write enable (if
set to 1 the value will be
written into register, if in 0
attempt will be ignored)
RTC
49 LSB
49 MSB
50 LSB
50 MSB
51 LSB
51 MSB
52 LSB
52 MSB
R,W
EEPROM
Real time clock
(not subject to INIT command)
see table below;
to write to those registers,
write to EEPROM must
be enabled in the
status
LSB
register
53 LSB
53 MSB
reserved
