
Chapter 4 - SETTING-UP AND COMMISSIONING
4-34
584S Frequency Inverter
Torque Mode
This parameter selects the power mode of the product. The following options are provided.
CONSTANT TORQUE
This mode allows a 50% overload for 60 seconds, ( see ELECTRICAL
RATINGS CONSTANT TORQUE ). This mode would be used in general
industrial application.
QUADRATIC TORQUE
This mode allows a 10% overload for 10 seconds, ( see ELECTRICAL
RATINGS QUADRATIC TORQUE ) but has a higher continuous current
rating than .
CONSTANT TORQUE.
This mode would be used for most pump
and fan applications where the torque required is a square of speed.
SERIAL LINK
The 584 Series Drives support 2 serial links. Fitted as standard is an RS232 port, called the AUX PORT, P3. This is
intended for connection to a personal computer to allow drive configuration and storing of parameters. The second
serial port, called MAIN PORT P1, is fitted as an option. It is an opto-isolated RS422/485 port allowing full remote
control of the drive from a host supervisory computer. This port also acts as an interface to Field Bus options (
currently only PROFIBUS DP ). Both serial ports use the industry standard EI BISYNC protocol. Each port has a
number of setup parameters which are described below. Further information regarding the Serial Communications
Option is included in Appendix B.
Main Port P1
Parameters available from the Main Port P1 menu are as follows:
SRL LINK ENABLE
Enables serial port operation. Note that this parameter must be enabled before
serial communications can take place.
PROTOCOL
There are three types of message format (protocol),
EI ASCII
,
EI INARY
or
OPTION
( used for FIELD BUS options ). This parameter selects which
format is to be used. Default:
EI ASCII
.
GROUP ID (GID)
Eurotherm protocol group identity address. Range: 0 to 7. Default: 0.
UNIT ID (UID)
Eurotherm protocol unit identity address. Rang e: 0 to 15. Default: 0.
OPTION ADDRESS
This parameter is used to set a "network" address to the option card.
Range: 0 to 32767
Default: 0.
BAUD RATE
Baud rate is the serial communications bit rate. Range: 300 to 9600. Default:
9600.
ESP SUP(ASCII)
See Appendix B for a description of ESP support.
CHANGEBAND(BIN)
Enquiry poll changeband. See Appendix B Block 0, PNO.4 for a description of
Changeband.
Range: 0.0% to 327.6%.
Default: 0.0%.
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Summary of Contents for 584S
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