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Technical Manual N5 (CANopen)
10 Description of the object dictionary
PDO mapping
TX-PDO
Allowed values
Preset value
00000000
h
Description
The user-defined units are made up of offset (3321
h
). If both object
entries are still set to the default values, the value in 3320
h
is specified in the "ADC digits" unit.
Formula for converting from digits to the respective unit:
Voltage input: (x digits – 512 digits) * 20 V / 1024 digits
Current input: x digits * 20 mA / 1024 digits
The following applies for the sub-entries:
•
Subindex 00
h
: Number of analog inputs
•
Subindex 01
h
: Analog value 1
•
Subindex 02
h
: Analog value 2
3321h Analogue Input Offset
Function
Offset that is added to the read analog value (3320
h
) before dividing by the divisor from object 3322
.
Object description
Index
3321
h
Object name
Analogue Input Offset
Object Code
ARRAY
Data type
INTEGER32
Savable
yes, category: application
Firmware version
FIR-v1426
Change history
Value description
Subindex
00
h
Name
Number Of Analogue Inputs
Data type
UNSIGNED8
Access
read only
PDO mapping
no
Allowed values
Preset value
02
h
Subindex
01
h
Name
Analogue Input 1
Data type
INTEGER32
Access
read / write
Version: 2.0.1 / FIR-v1650
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