ProSoft Technology MVI56-PDPMV1 - Manual (Page 167)

MVI56-PDPMV1 ♦ ControlLogix Platform Mailbox Messaging
PROFIBUS DPV1 Master User Manual
ProSoft Technology, Inc. Page 167 of 255
March 22, 2011
Seq Number
Unique identification number of the alarm. Range 0 to 31.
Alarm Spec Ack
Provides additional information about the alarm, such as if an error appears or
disappears. Also indicates whether the slave needs additional knowledge from
the Master. For example: writing to a certain memory area with an Acyclic Write
request.
Alarm Type
Identifies the alarm type such as Process Alarm, Plug Alarm, and so on. Range 1
to 6, 32 to 126.
Extended Diagnostic Flag
FFh: Slave sends an alarm message with "Extended Diag flag" set
00h: Slave sends an alarm message with "Extended Diag flag" cleared
Data [1 … n]
Additional manufacturer-specific alarm information (Alarm - PDU)
Fault Information
If the Message Information word in the header of the message indicates "Invalid
Other", addition information is available in this register.
3E00h: Module has received an invalid alarm indication data structure from a
DPV1 slave ("Slave Address" contains the node address of the slave that issued
the erroneous indication).
Refer to the PNO document "Extensions to EN50170 (DPV)" for more
information on how to interpret these parameters.
3.5.9 Mailbox Message: Set Operating Mode
This command allows setting the operating mode of the module (STOP, CLEAR,
or OPERATE).
Parameter Description
Command Initiator Application
Command Name SET OPERATING MODE
Command Number 0200h
Fragmented No
Extended Header Data Fault information may be returned in the header of the response.