Messaging - Siemens SITRANS PCS 7 Function Manual

Panel blocks, general

3.1 Messaging

3.1 Messaging
PCS 7 messaging
Every panel function block can generate messages. Messages can be suppressed using the
MsgLock parameter.
Messages are sent via ALARM_DQ, and those of the technological block are suppressed to
avoid duplication. To enable this, the MsgLock input must be set to 0 on the panel block. The
output structure MsgLock_Out =1 is set simultaneously, and must be connected to the
MsgLock input structure of the technological block.
If control system messages (CSF) and external messages (ExtMsgx) are to be suppressed as
well, Feature bit 25 (1 = Suppress all messages if MsgLock = 1) must also be set at the
technological block.
It principally applies that all messages on the technological block are also present on the panel
block.
In the message view of the WinCC-flexible faceplate, the message classes "S7 messages", "S7
controller control system messages" and "S7 warning" are displayed. Note that messages of
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SITRANS Library for PCS 7
Function Manual, 05/2019, A5E35351976-11