CAN shield/analog inputs
The CAN shield pin on the unit can be used as a non-configurable analog input.
The values in the following table assumes that software compensates for errors in the analog to digital
(A/D) converter.
CAN shield
Description
Unit
Minimum
Maximum
Typical
Comment
Input impedance
—
—
—
0.68 μF + 1 Ω —
Analog input (5 V only)
Description
Unit
Minimum
Maximum
Comment
Allowed voltage at pin
V
0
36
—
Measuring range
V
0
5.75
—
Resolution
mV
1.4
—
Worst case error
mV
±(20 + U*2%)
—
Input impedance
kΩ
233 ± 3
—
CAN communication
There are two stand-alone CAN-busses. Both CAN ports are software configurable and can be used for
PLUS+1
®
communication. One of them can be used either as CAN or a digital-analog input.
CAN communication
Description
Unit
Minimum
Maximum
Comment
Available baud rates
kBd
50
1000
The default baud rate is 250kbit.
Maximum input voltage
range
V
0
36
—
Technical Information
DP570 Series Displays
Controller Area Network (CAN) specifications
©
Danfoss | January 2017
L1328765 | BC00000231en-US0701 | 15
