Galletti FM 43 Technical Manual - Page 16
Browse online or download pdf Technical Manual for Air Conditioner Galletti FM 43. Galletti FM 43 20 pages. High wall-mounted fan coil units with bldc motor and incorporated valve 2.0 kw-3.7 kw
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FM
12
MODBUS
The protocol implemented on the fan coil is Modbus RTU (9600,N,8,1) on RS485.
IMPLEMENTED FUNCTIONS
Function Code
01(01H)
02(02H)
03(03H)
04(04H)
05(05H)
06(06H)
15(0FH)
16(10H)
255(FFH)
IMPLEMENTED EXCEPTIONS
Error code
01 (01H)
02 (02H)
03 (03H)
04 (04H)
INPUT COILS
Description
Unit ON/OFF
Sleep mode
Louver swing
STATUS COILS
Description
MTV1
MTV2
AUX1
AUX2
Condensate pump
Electrical Heater
Wired wall pad
PRO
Float switch
Reserved
EH protection switch
Internal actually running and unit ON/OFF
16
Function Description
Read Coils Status
Read Input Status
Read Holding Registers
Read Input Registers
Write Single Coil
Write Single Register
Write Multiple Coils
Write Multiple Registers
Extended Commands which is used to test
Description
Invalid commands
Invalid data address
Invalid data
Write data not succeed
Address
100000
100001
100002
Address
200000
200001
200002
200003
200004
200005
200006
200007
200008
200009
2000010
2000011
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Definition
Received commands beyond valid commands
Data addresses beyond valid data address
Data beyond definition range
Write data not succeed
Type
R/W
R/W
R/W
Type
R
R
R
R
R
R
R
R
R
R
R
R
Remark
Testing purpose only.
FC66003740 - Rev 01