456
Bosch Rexroth AG
| Tightening Technology
3 608 878 300
System 350
| 3 608 878 300/2019-03
6.10.1
Message structure
Depending on the protocol version, the message structure may vary.
Table
shows the basic structure of a message of the Rexroth IPM Protocol.
Table 6–140:
Rexroth IPM Protocol message structure
Message component
Element
Element description
Comment
Header
AFO
AFO description
For identification of a work
sequence (AFO) and/or
tightening position
Name
AFO name
Data fields
Steps
Tightening steps
Actual values/
characteristics
1
1
If there is no actual value for a characteristic, e.g. as the corresponding monitoring function in the tightening
program is not activated, a so-called "actual dummy value" with the value 9999999 will be transferred. In the
subsequent evaluation on the IPM web interface, this pseudo measurement value can then be filtered out again.
Measured actual values like
– Torque (TA)
– Angle (AA)
– Gradient (GA)
– Time (TA)
– Torque threshold (SA)
As of IPM version 5:
– Redundant angle of turn
(AR)
– Redundant torque (TR)
– Actual value of speed
(NA): Special case as
the actual speed value is
not available, the set
speed value is entered.
As of IPM version 6:
– String information (STR)
Parameters belonging to
the actual values:
– TA:
TV, T+, T-, TS
– AA:
AV, A+, A-
– GA:
GV, G+, G-
– TA:
TV, T+
– SA:
without parameters
as of IPM version 5:
Torque threshold
Set values/parameters
Parameterized values from
KE/CS, set values and limit
values as well as
parameters from the
database like torque
threshold set value
Parameters are clearly
identified via the
combination of KE/CS,
tightening channel and
tightening program
Graphs
Graphs
Filtered tightening result
graphs (graph filter) with
and without tightening
steps
Torque values related to data output from the Tightening System 350 are rounded to two decimals for
transfer to the IPM communication partner. This may result in an error evaluation on the IPM
communication partner. Please note that rounded values may result in error evaluations.
Summary of Contents for Rexroth Tightening System 350
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