AMM36 • SSI, BiSS, & RS-485
7 – RS-485 serial interface
Order code:
AMM36xx/xxxJP1-...
7.1 RS-485 port settings
Serial port settings are as follows:
Serial port settings
Value
Baud rate (Mbit/s)
2.5
Byte size
8
Parity
None
Stop bits
1
Flow control
None
7.2 Frame format
The following abbreviations are used in the next sections:
CF: Control Field, see the “7.3.1 Control Field” section on page 42
SF: Status Field, see the “7.3.2 Status Field” section on page 42
DF: Data Field, see the “7.4 Data Field” section on page 43
ADF: Address Field, see the “7.5 Address Field and EEPROM Data Field” section on
page 46
EDF: EEPROM data (to be written to or to be read from), see the “7.5 Address
Field and EEPROM Data Field” section on page 46
CRC: CRC Field, see the “7.6 CRC Field” section on page 47
7.2.1 Encoder data capture and reset
Master Encoder
→
CF
Encoder Master
→
CF
SF
DF0
DF1
...
DF7
CRC
7.2.2 Write register
Master Encoder
→
CF
ADF
EDF
CRC
Encoder Master
→
CF
ADF
EDF
CRC
MAN AMM36 SSI_BiSS_RS485 E 1.0.odt
7 – RS-485 serial interface
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