Function Description

The HSBY_BUILD_OFFLINE function block is used to make offline modifications to an application program in a Modicon M580 Hot Standby system. The function block allows or not a build offline mismatch.

The additional parameters EN and ENO may also be configured.

NOTE: Refer to the Modicon M580 Hot Standby documentation for more information on offline application modification with allowed build offline mismatch.
NOTE: HSBY_BUILD_OFFLINE function is available on CPUs with OS firmware V2.15 or later.

FBD Representation

Representation:

LD Representation

Representation:

IL Representation

Representation:

CAL HSBY_BUILD_OFFLINE_Instance (ALLOW_MISMATCH:=Allow_Mismatch, STATUS=>Status)

ST Representation

Representation:

HSBY_BUILD_OFFLINE_Instance (ALLOW_MISMATCH:=Allow_Mismatch, STATUS=>Status)

Description of Parameters

The following table describes the input parameter:

Parameter

Type

Comment

Allow_Mismatch

BOOL

Parameter description:

1: Allow a build offline mismatch.

0: Do not allow a build offline mismatch.

The following table describes the output parameter:

Parameter

Type

Comment

Status

WORD

Status report:

0000 hex: Operation processed successfully.

0001 hex: The EFB version is not compatible with the CPU firmware version.

0002 hex: The application is not a Hot Standby application.

Optional ENO parameter description:

ENO Value

Description

1

Operation processed successfully.

Status output parameter equals 0.

0

Operation not processed.

Status output parameter is not equal to 0 as described in previous output parameter table.