© ElectroCraft 2022
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CPP-A12V80A-SA-CAN Drive User Manual
10
Communication
10.1 Connecting CAN
10.1.1 I/O Description
I/O Pin Name
Type
Functional
Description
CAN H
In/Out
CAN differential signal High
CAN L
In/Out
CAN differential signal Low
Enable Out
Output
Open drain output that is pulled to GND and can be used to
enable next CAN node.
Enable In +
Input
Isolated input that requires pull-up to external supply. Can be
configured in CompleteArchitect
TM
to enable CAN and/or the
Drive.
Enable In -
Input
Return for Enable In+.
+5V External
Output
Internally gen5 volts for customer use.
Refer to section
Error! Reference source not found.
Shield
-
Pass through for CAN cable shield ground.
Ground
-
Referenced to supply ground.
CAN V+
-
Pass thru (no connection).
10.1.2 CAN Physical Layer Circuit
CAN
TRx
CAN_P
CAN_N
24V
5pF
Figure 287: Analog output circuit
Important Note
: CAN bus termination of 120 Ohms between CAN high and low signals is not present
inside the drive. Depending on the application the user may need to provide this termination externally.
For high speed CAN this termination is required on each end of the network.
10.1.3 CAN Input & Output Circuits
CAN
Enable In+
CAN
Enable In-
BAS16
10K
220pF
Figure 29: CAN Enable (High and Low) Input Interface