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Structure of the cyclic process data – IO Assembly
 TR-Electronic GmbH 2020, All Rights Reserved Printed in the Federal Republic of Germany
Page 46 of 91 TR-ECE-BA-GB-0163 v03 10/07/2020
7.4.1 Input TR Safety – Status
The safety-related measuring system status is output via the Member TR Safety – Status .
Danger of death, serious physical injury and/or damage to property if the
drive system starts uncontrolled and the Safe State bit 2
4
fails to be
evaluated!

The output actual values are only valid if the Safe State bit 2
4
= 1.
Input UINT IW 0, UINT
Bit Description
0
Speed Error
Bit = 1, if the velocity value is outside the range
–21472147483647. The bit is automatically reset when the velocity coefficient is within
the permissible range.
1 reserved
2
Preset OK
Bit = 1, if a preset request was executed successfully.
3
Preset Error
Bit = 1, if a preset request was not executed because of an error. The bits can be reset using the
Preset Request and Preset Preparation preset control bits; see also Chapter 7.5.1 on
Page 48.
4
Safe State
Bit = 0,
-
in the initialization phase or, rather, if initialization was unsuccessful
-
if a preset request is initiated using the
Preset Preparation
control bit
-
if the measuring system is in Safe state
Bit = 1,
-
if initialization was completed successfully
-
if the preset control bits
Preset Request
and
Preset Preparation
were reset.
5
Preset Active
Bit = 1, if execution of the preset function is triggered via the Preset Request control bit. After
the preset function has been executed, the bit is reset automatically; see also page 74.
6 reserved
7
Scaling Error
Bit = 1, if the measuring system was run in de-energized state. As it is impossible to verify whether
a zero transition has been generated in this case, the issued position must first be verified with the
desired mechanical position before the application is started. After positive verification, the bit can
be cleared by executing the preset adjustment function, see Chapter 10 on Page 74.
8
Error Ack Request
Bit = 1 if the measuring system is in Safe state This bit can only be acknowledged when exiting the
Abort status. You may try to perform a Type 0 Safety Reset via Safety Supervisor
Object 0x39 (Service Code = 0x54) or perform a supply voltage OFF/ON cycle.
9
Preset Locked
Bit = 1 if a preset is already being executed under another Safety IO connection (application). In
order to avoid inconsistencies, this application will not be able to run a preset until the preset
operation has been completed in the other application.
10…15 reserved