Status Message; H Status - Siemens SIMATIC Compact FF Link Operating Instructions Manual

11.2.2.4

Status message

Definition
The status message is part of the device-related diagnostics and supplies the assignment of
slots to the configured FF device addresses. As soon as the configuration information is
available in the Compact FF Link, and the Compact FF Link switches to data exchange, the
data is updated. If Compact FF Link stops data exchange, the information is retained and is
only updated with new configuration information. For non-configured slots, the FF device
address 0 is given.
Format of the status message
The status message comprises 38 bytes.
In S7 standard operation and redundancy mode, the start address is equal to 25.
Figure 11-5
11.2.2.5

H status

Definition
If inserted in a BM Compact FF Link, the Compact FF Link returns the H status.
The H status provides information about the status of active and passive Compact FF Links.
The H status consists of 8 bytes.
Compact FF Link
Operating Instructions, 03/2015, A5E35651552-AA
Format of the status message
Alarm, error, and system messages
11.2 Diagnostics of the Compact FF Link
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