BL20 - Communication in CANopen
D301087 0308 - BL20 CANopen4-118
Object 6020
hex
- Read Input Bit (1 to 128)
Object 6021
hex
- Read Input Bit (129 to 256)
Object 6022
hex
- Read Input Bit (257 to 288)
The objects are a bit-wise representation of the values of the digital
input modules. Each sub-index for these objects is a Boolean value.
A total of 128 bits can be represented (128 digital input channels).
If more than 128 input channels are present, then object 6021
hex
is
used.
If more than 256 input channels are present, then object 6022
hex
is
used.
Since the number of digital input channels in a station is limited to
288, it is not possible to make use of the complete range of the array
in object 6022
hex
.
Table 63:
Objects 6020
hex
,
6021
hex
and
6022
hex
Feature Description/ Value
Name Read input bit
Object code ARRAY
PDO-mapping Yes
Sub-index 00
hex
Data Type Unsigned8
Access ro
Default value, BL20 No
Sub-index 01
hex
to
80
hex
Data Type Boolean
Access ro
Default value, BL20 No
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