Beckhoff EtherCAT Registers Section II Manual de usuario descargar pdf (Pagina 57)

Watchdog Status Process Data (0x0440:0x0441)

Slave Controller – Register Description II-45

3.42 Watchdog Status Process Data (0x0440:0x0441)

Table 60: Register Watchdog Status Process Data (0x0440:0x0441)

ESC20

ET1100

ET1200

IP Core

(w ack)

Bit

Description

ECAT

PDI

Reset Value

Watchdog Status of Process Data (triggered

by SyncManagers)

0: Watchdog Process Data expired

1: Watchdog Process Data is active or

disabled

r/-

(w ack)*

15:1

Reserved

r/-

(w ack)*

* PDI register function acknowledge by Write command is disabled: Reading this register from PDI clears AL

Event Request 0x0220[6]. Writing to this register from PDI is not possible.

PDI register function acknowledge by Write command is enabled: Writing this register from PDI clears AL Event

Request 0x0220[6]. Writing to this register from PDI is possible; write value is ignored (write 0).

3.43 Watchdog Counter Process Data (0x0442)

Table 61: Register Watchdog Counter Process Data (0x0442)

ESC20

ET1100

ET1200

IP Core

Bit

Description

ECAT

PDI

Reset Value

7:0

Watchdog Counter Process Data (counting is

stopped when 0xFF is reached). Counts if

Process Data Watchdog expires.

w(clr)

r/-

NOTE: Watchdog Counters 0x0442-0x0443 are cleared if one of the Watchdog Counters 0x0442-0x0443 is

written. Write value is ignored (write 0).

3.44 Watchdog Counter PDI (0x0443)

Table 62: Register Watchdog Counter PDI (0x0443)

ESC20

ET1100

ET1200

IP Core

Bit

Description

ECAT

PDI

Reset Value

7:0

Watchdog PDI counter (counting is stopped

when 0xFF is reached). Counts if PDI

Watchdog expires.

w(clr)

r/-

NOTE: Watchdog Counters 0x0442-0x0443 are cleared if one of the Watchdog Counters 0x0442-0x0443 is

written. Write value is ignored (write 0).

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 97 98

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