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5
Configuration and parameterization (continued)
5.2.2 Settings for asynchronous operation
In asynchronous mode, the measurements are triggered
with the frequency set in attribute 5
Asynchronus Period
.
These are independent of
CIP-Sync
of the query rate of
the PLC.
Attribute 5:
Asynchronous time interval (
Asynchronous Period
)
The value is interpreted in nanoseconds. This is used to
set the asynchronous measurement cycle.
The setting is ignored with a value of 0 and the
measurement is carried out with the fastest possible
frequency.
A value unequal to 0 sets the cycle time, as long as it is
greater than the minimum processing time (see Tab. 5-3
5.2.3 Further attributes of the device configuration
object
Attribute 6:
Number of magnets (
Number of Magnets
)
The attribute
Number of Magnets
sets the number of
expected magnets. It has the same function as the
parameter
Number_of_Magnets
in the
Config-Assembly
.
If
Config_assembly_parameter_recognition
is set to 1
(TRUE), the setting of the
Config-Assembly
is decisive.
Attribute 7:
Measurement status (
Measurement Status
)
The
Measurement Status
attribute can only be read. This
BYTE displays the current status of the measuring unit.
Bits 0 to 4 contain the number of detected magnets. Bits 5
and 6 display the measurement mode. The measurement
is in synchronous operation if bit 6 is set. If this bit is not
set, the measurement is asynchronous and the internal
time base is used.
If set, bit 7 displays a measuring error.
Attributes 8 to 10:
Service functions
These attributes control special service functions.
Attributes 11 to 15:
Temperature values
The temperature sensor is found on one of the electronics
circuit boards and measures the internal temperature of
the circuitry. The measured temperatures allow
conclusions to be drawn on the operating conditions and
are not suitable for precise environmental measurements.
Attribute 11
Actual Temperature
can be used to read the
current temperature of the electronics.
Attributes 12 and 13 contain the highest (
Session
Maximum Temperature
)
and the lowest (
Session Minimum
Temperature)
temperature since the last reset or switch on.
Attributes 14 and 15 save the highest (
Lifetime Maximum
Temperature
)
and the lowest (
Lifetime Minimum
Temperature
)
temperature since initial start-up.
Attribute 16:
FMM timeout
If the number of detected magnets is changed in the
Flexible Magnet Mode, the error value 0x7FFFFFFF is
output on all position values. The time (in milliseconds) in
which this error value is present is set using this attribute.
An error value is not output if
FMM Timeout
is set to 0.
on
Attribute 17:
Averaging (
Averaging Filter
)
Averaging can be set using this attribute.
Averaging does not take place if the value is 0 or 1.
If the value is greater than 1, it provides the number of past
measurements used to produce the average. Values from
1 to 128 are possible.
The reaction time to measurement changes
increases correspondingly due to averaging.
Attributes 30 to 34:
General information
Attributes 30, 31, 33 and 34 contain device information on
the type, serial number, firmware and hardware version in
text form (STRING).
Attribute 31 supplies the serial number as printed on the
label, therefore with the date of manufacture and place of
manufacture. Attribute 32 only supplies a shortened,
unique number. This form of serial number is part of the
CIP profile.
BTL7-V50D-…
Configuration Manual
Summary of Contents for Ethernet/IP BTL7-V50D Series
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