Device Profile Area
CAN-CBX-AI420
Manual • Doc.-No.: C.3030.21 / Rev. 1.4
Page 83 of 103
7.10.5 Analog Input Interrupt Trigger (6421
h
)
Index
Sub-
index
Description
Value range Default
Data type
Access
mode
6421
h
0
Number_of analog_inputs
4
4
unsigned 8
ro
1
Analog_Input_IRQ_Trigger_1
0 ... 7
7
unsigned 8
rw
2
Analog_Input_IRQ_Trigger_2
0 ... 7
7
unsigned 8
rw
3
Analog_Input_IRQ_Trigger_3
0 ... 7
7
unsigned 8
rw
4
Analog_Input_IRQ_Trigger_4
0 ... 7
7
unsigned 8
rw
This object defines, when an interrupt is triggered.
Assignment of the variable Analog_Input_IRQ_Trigger_x (x = 1...4):
Bit:
7
6
5
4
3
2
1
0
Meaning:
reserved for future
applications
not supported
Value changed
more than
Delta (6426
h
)
Lower Limit
(6425
h
)
is not reached
Upper Limit
(6424
h
)
is exceeded
Example:
Analog_Input_IRQ_Trigger_x
Meaning
00
h
no interrupt trigger
03
h
Interrupt Upper Limit (object 6424
h
) and Interrupt Lower
Limit (object 6425
h
) triggered.
04
h
Interrupt trigger if the change of the A/D-value is higher than
the value (Delta), defined in object 6426
h
.