Siemens SINUMERIK 828D Function Manual page 1169

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Table of Contents

Variables interface of the user alarms

Each user alarm can be given a variable as parameter. One double word each is reserved for this purpose in the

variable interface from offset 1000. As a consequence, valid offsets must be divisible by 4.

Alarm response and cancel criterion

These two terms involve the conception and configuration of user alarms. For each alarm, it can be defined

as to how the control should respond when it occurs (alarm response),

what has to be undertaken in order to clear the alarm again, to acknowledge it (clear criterion). The clear

criterion simultaneously defines the alarm priority.

Although two different subjects, their setpoints are configured together in one machine data and their actual

values are signaled together in one byte of the user interface. This byte is structured as follows:

Interrupt with

Clearing criterion

The setpoints are configured bit-coded in machine data MD14516[x], 0 ≤ x ≤ 247; whereby x = user alarm

number - 700000

Parameter Manual SINUMERIK 828D

The codings of the clear criteria and the corresponding priorities are:

User alarm is acknowledged by

Resetting of the activation bit

Acknowledgement in DB1600.DBX3000.0 (refer

Reserved (internally evaluated as {1, 0})

Basic Functions

Function Manual, 09/2011, 6FC5397-0BP40-2BA0

Variable for alarm [r32/w32]

PLC -> HMI interface

Variable for alarm 700000

Variable for alarm 700001

Variable for alarm 700002

Variable for alarm 700245

Variable for alarm 700246

Variable for alarm 700247

disable for all

Alarm response

P4: PLC for SINUMERIK 828D

14.6 Function interface

Sinumerik 840d sl