MODBUS
FC013 Fancoil controller
Release 18.12.2014 ver. 01900
FC013
– EC (0...10 V) fan controller (with UC013), RTC, 2xDO, 3xAO 0-
10 V, 2xDI, 2xRS485
-
50 words can be read at the same time (i.e. 100 bytes)
-
whole range can be addressed bitwise
-
the whole memory is mirrored as read-only from address 0x101 (e.g. 257 dec)
name
register
type
description
notes / defaults
module ID
1 LSB
1 MSB
R
module type identification
0505
hex
firmware
2 LSB
2 MSB
R
firmware version
13
hex
status LSB
3 LSB
R, W RAM
module status lower byte
bit 0
– write to EEPROM enabled
bit 1
–
SW reset enabled
bit 4
– init EEPROM
Init EEPROM
follows if
the INIT switch was ON at
power up, and if INIT
switch was OFF at setting
bit 4 to 1 (indicated by bit
2 in Status MSB)
SW reset
follows if
enabled and 1 is written
into the
SW reset
register
(address 1002)
status MSB
3 MSB
R, RAM
module status upper byte
bit 0
0 normal mode
1 init mode
bit 1
1 at the next EEPROM
write attempt will all data
be written to EEPROM,
0 at the next EEPROM
write attempt will received
data be written to RAM
only
bit 2
– 1 – EEPROM initialized
bit 3
– N/A
bit 4
– 0
bit 5
– SW reset enabled
indication
bit 6
– 0
bit 7
– commissioning mode (1 –
active)
address
4 LSB
R,W
EEPROM
(0x01)
Modbus module address
(default = 1)
To distribute load, fans and
outputs are enabled after
address
modulo 10
secs
!!!
the change will be
effective after restart only
(however the register will
be set immediately)
