4
MOVIDRIVE
®
DFC11A CAN Bus
1
Introduction
1
Introduction
This
DFC11A CAN Bus Fieldbus Interface Manual describes the procedure for installing the fieldbus
interface in the drive inverter and for commissioning the MOVIDRIVE
®
drive inverter when con-
nected to the CAN bus.
In addition to describing all the settings on the fieldbus interface, this manual further discusses the
various options for connecting the drive inverter to the CAN bus in the form of commissioning
examples.
In addition to this
DFC11A CAN Bus Fieldbus Interface Manual we recommend that you familiarize
yourself with the
Fieldbus Unit Profile Manual (Part no. 0919 1607), which will provide you with
the necessary information for simple and efficient connection of the MOVIDRIVE
®
to the CAN bus
system.
The
Fieldbus Unit Profile Manual gives a detailed description of the fieldbus parameters and their
codes and discusses various control concepts and potential applications in the form of brief exam-
ples (including examples in S5 syntax).
The
Fieldbus Unit Profile Manual contains a list of all the drive inverter parameters that can be read
or written via the various communications interfaces such as RS-232, RS-485 and via the fieldbus
interface.
Thanks to its high-performance universal fieldbus interface, the MOVIDRIVE
®
drive inverter with
the
DFC11A (CAN bus) option can be connected to and controlled from higher-level automation
systems via the standardized CAN bus system.
MOVIDRIVE
®
and CAN Bus
The drive inverter profile for CAN bus mode, i.e. the way the inverter operates and responds when
in CAN bus mode, is independent of the type of fieldbus, and thus consistent for all fieldbus types.
This allows the user to develop his drive applications independent of a particular fieldbus or change
to another bus system, e.g. PROFIBUS-DP/FMS (
DFP11A option) or the I
NTER
B
US
-S (
DFI11A
option) without any problems.
MOVIDRIVE
®
offers digital access to all drive parameters and functions via the CAN bus interface.
The drive inverter is controlled by the high-speed process data. These process data messages pro-
vide the facility to specify setpoints such as speed setpoint, ramp generator times for acceleration
and deceleration etc., and allow various drive functions such as enable, controller inhibit, stop,
rapid stop, etc. to be triggered. These messages can also be used to read back actual values from
the drive inverter, such as actual speed, current, inverter status, fault number or reference
messages.
This exchange of parameter data via the MOVILINK
®
parameter channel enables applications where
all major drive parameters are stored in the higher-level automation system (master control) to be
implemented, thus avoiding manual parameter setting on the drive inverter itself, which can often
be very time-consuming.
