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5.4.1 RS232 interface (standard)
SimpleServo drives are equipped with RS232 communication interface as a standard.
SS94 family of drives support following baud rates: 9600, 19200 and 38,400 baud .
Communication speed is set via front panel display. Drives are addressable with up
to 32 addresses from 0-31. Address is set via front panel display. Please note that
baud rate and address are applied to both RS232 and RS485 interfaces. RS232 and
RS485 can be used simultaneously.
5.4.2 RS485 interface (option module)
SimpleServo drives can be equipped with RS485 communication interface via an
option module. SS94 family of drives support following baud rates: 9600, 19200
and 38,400 baud . Communication speed is set via front panel display. Drives are
addressable with up to 32 addresses from 0-31. Address is set via front panel display.
Please note that baud rate and address are applied to both RS232 and RS485
interfaces. RS232 and RS485 can be used simultaneously. SimpleServo RS485
interface is optically isolated from the rest of the drive’s circuitry.
5.4.3 Using RS232 and RS485 interfaces simultaneously
When the command received by the drive doesn’t matched the drive’s address, the
drive resends this command over the other interface. For example if drive receives
the command over RS232 and the address does not match, the drive will resend this
command over the RS485 interface thus making it available for another device in the
network. The same will happen if a command is received over the RS485 interface;
all devices whose addresses do not match will repeat the command on their RS232
ports. This feature is useful when you need to access drives on RS485 network using
RS232 interface. Usually a PC computer is not equipped with an RS485 interface
as standard. Using the above described feature, a PC computer can be used to
communicate to an RS485 array of SimpleServo drives by connecting the PC’s RS232
port to one of the drives in the network.
5.4.4 MODBUS-RTU support
As a default, the RS232 and RS485 interfaces are configured to support PPP (point-
to-point) protocol for MotionView program operation. In addition, the RS485 interface
can be configured to support the MODBUS-RTU slave protocol. The interface can be
configured through MotionView program. When configured for MODBUS operation,
baud rate for RS485 is set by parameter “Modbus baud rate” in MotionView, while the
RS232 baud rate is set on the front panel. Thus RS485 and RS232 can have different
speeds at the same time if RS485 is configured for MODBUS operation. Please note
that if RS485 is configured for MODBUS operation, the command repeat function (see
5.4.3) is unavailable even if baud rates are set the same for both interfaces.
5.4.5 CAN bus interface
Please refer to Appendix for CAN bus interface support.
5.5 Motor Selection
SimpleServo drives are compatible with many servo motors, both Lenze motors
Содержание SimpleServo 94
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