Siemens SIMATIC ET 200SP Manual - Page 21

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Byte 1: Station status 2

Table 5- 4

Structure of station status byte 2

Bit no.

Name

Deactivated

Reserved

Sync_Mode

Freeze_Mode

Watchdog_On

Status_From_Slave

Static_Diag

Parameter_Request

Byte 2: Station status 3

Table 5- 5

Structure of station status byte 3

Bit no.

Name

Ext_Data_Overflow

6...0

Reserved

Byte 3: Master address

The address of the DP master that has configured this DP slave is entered in the

"Master_Add" byte.

If the DP slave was not configured by a DP master, the DP slave sets address 255 in this

byte.

Bytes 4 and 5: Manufacturer ID of the slave ("Ident_Number")

The manufacturer ID ("Ident_Number") for the DP slave type is entered in the bytes 4 and 5.

This identifier can be used to identify the slave.

The most significant part of the value is in byte 5.

Communication module CM DP (6ES7545-5DA00-0AB0)

Manual, 12/2014, A5E33619758-AB

Explanation

The DP slave was shown as inactive in the local parameter set and will not be cyclically

queried.

- Reserved -

The DP slave is in SYNC mode. The bit is set by the slave.

The DP slave is in FREEZE mode. The bit is set by the slave.

The watchdog is activated on the DP slave. The bit is set by the slave.

Bit =1: The diagnostics comes from the DP slave. The bit is permanently set by the slave

to 1.

Static diagnostics

If the DP slave sets this bit, the DP master must fetch the diagnostic data from the DP

slave until the DP slave resets this bit.

The DP slave sets this bit, for example, if it cannot perform data transfer.

The DP slave sets this bit when it has to be re-parameterized and configured.

If bit 0 and bit 1 are both set, bit 0 has the higher priority.

Explanation

If this bit is set, there is more diagnostic information than is specified in the diagnostics

data. This data cannot be viewed.

- Reserved -

Diagnostics, error and system alarms

5.3 Standard diagnostics