Beckhoff EtherCAT Registers Section II Manual do Utilizador descarregar pdf (Página 59)

SII EEPROM Interface (0x0500:0x050F)

Slave Controller – Register Description II-47

Table 66: Register EEPROM Control/Status (0x0502:0x0503)

ESC20

ET1100

ET1200

IP Core

[7]

Bit

Description

ECAT

PDI

Reset Value

ECAT write enable*

0: Write requests are disabled

1: Write requests are enabled

This bit is always 1 if PDI has EEPROM control.

r/(w)

r/-

4:1

Reserved, write 0

r/-

EEPROM emulation:

0: Normal operation (I²C interface used)

1: PDI emulates EEPROM (I²C not used)

r/-

IP Core:

depends on

configuration

Others: 0

Supported number of EEPROM read bytes:

0: 4 Bytes

1: 8 Bytes

r/-

ET1100: 1

ET1200: 1

Others: 0

Selected EEPROM Algorithm:

0: 1 address byte (1KBit – 16KBit EEPROMs)

1: 2 address bytes (32KBit – 4 MBit EEPROMs)

r/-

ESC20: 0*

IP Core:

depending on

PROM_SIZE and

features

Others: PIN

EEPROM size

10:8

Command register*

Write: Initiate command.

Read: Currently executed command

Commands:

000: No command/EEPROM idle (clear error bits)

001: Read

010: Write

100: Reload

Others: Reserved/invalid commands (do not issue)

EEPROM emulation only: after execution, PDI writes

command value to indicate operation is ready.

r/(w)

r/[w]

Checksum Error at in ESC Configuration Area:

0: Checksum ok

1: Checksum error

r/-

EEPROM loading status:

0: EEPROM loaded, device information ok

1: EEPROM not loaded, device information not

available (EEPROM loading in progress or

finished with a failure)

r/-

Error Acknowledge/Command*

0: No error

1: Missing EEPROM acknowledge or invalid

command

EEPROM emulation only: PDI writes 1 if a temporary

failure has occurred.

r/-

r/[w]

Error Write Enable*

0: No error

1: Write Command without Write enable

r/-

Busy:

0: EEPROM Interface is idle

1: EEPROM Interface is busy

r/-

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 97 98

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