The FTC470XMB protocol converter
30
Format of the input data:
Reading from
FTC470XMB (= input data of the Modbus RTU Master)
Modbus function 3
●
Word 1, High-Byte:
No function, the device always reads zero (0) here
Word 1, Low-Byte:
Consecutive Modbus ID No.
of transmission. The ID number corresponds to the associated
request (output data).
●
Word 2, High-Byte:
BMS address
of the addressed device. Address corresponds to the associated request (output
data).
Word 2, Low-Byte:
BMS channel number
of the addressed device. Channel number corresponds to the associated
request (output data).
●
Word 3, High-Byte:
No function, the device always reads zero (0) here
Word 3, Low-Byte:
BMS instruction code
, see tables beginning on page 33. The instruction code corresponds to
the associated request (output data).
●
Word 4, High-Byte:
No function, the device always reads zero (0) here.
Word 4, Low-Byte:
BMS data type
, see tables beginning on page 33. The data type represents the requested result
read out by the device.
●
Word 5, High-Byte:
BMS High-Byte data value
, see tables beginning on page 33. The data type represents the
requested result read out by the device.
●
Word 5, Low-Byte:
BMS Low-Byte data value
, see tables beginning on page 33. The data type represents the
requested result read out by the device.
A selection of possible Modbus requests and answers is listed on page 33.
Word 1
Word 2
Word 3
Word 4
Word 5
H-Byte
L-Byte
H-Byte
L-Byte
H-Byte
L-Byte
H-Byte
L-Byte
H-Byte L-Byte
Always
„0“
Consecutive
Modbus
ID No.
BMS address
of the
addressed
device
BMS
channel
No.
Always
„0“
BMS
comma
nd
always
„0“
BMS
type
BMS value
Summary of Contents for FTC470XMB
Page 66: ...Function 66 TGH1367en 06 2010...
Page 76: ...Programming examples mode 1 76 TGH1367en 06 2010...
Page 99: ......
