3 fir filter (sdo index 2049h), 4 measuring range (sdo index 204a h), 11 parameter (connection set) handling – ifm electronic JN2100 v.2.2.0 User Manual

Page 28: 1 save the connection set (od index 1010h)

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Inclination sensor JN

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10.3 FIR filter (SDO index 2049h)
The sensor provides the possibility to filter the vibration signal. Depending on

the application the frequency range to be measured can be adapted. The limit

frequency of the filter is set via the FIR filter step (SDO index 2049h).
When the FIR filter has been changed for vibration measurement, the measured

values are only transferred when the filters are in the steady state. This settling

time depends on the set values and can be taken from the table below:
0.1...1 Hz: approx. 70 s

0.1...10 Hz: approx. 70 s

1...10 Hz: approx. 12 s

2...400 Hz: approx. 9 s

10...400 Hz: approx. 5 s
10.4 Measuring range (SDO index 204A h)
The measuring range of the vibration measurement can be set up to a maximum

value. The measuring range of the internal acceleration measuring cell can be

limited for different applications to 4 g (g = gravitational acceleration) or 2 g, the

maximum value is 8 g.

11 Parameter (connection set) handling

The CAN identifiers (COB IDs) of the communication objects are determined

according to the pre-defined connection set with every reset (communication,

application and hardware reset) depending on the set node ID (SDO index 2000h).

Make sure that the current parameters (connection set) always match the current

node ID.
The connection set always refers to the current node ID. Therefore set the node ID

to the requested value before saving the connection set.
If the node ID is changed after the connection set was saved, the connection set

first has to be reset to the factory settings. After saving the connection set again,

all COB IDs that are calculated with the node ID are mapped again correctly.
11.1 Save the connection set (OD index 1010h)
Changes of parameters in the object directory are immediately active except for

the node ID (SDO index 2000h) and the baud rate (SDO index 2001h). To ensure

that the changed parameters of the communication profile (CiA DS-301) are active

even after a reset, they must be saved in the internal permanent memory (flash).
By writing the command "save" (65766173h) to save the parameters (OD

index 1010h/01h) all current parameters of the object directory referring to the

communication are transferred to the flash memory. The saved communication

profile is called pre-defined connection set.

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