BENSHAW RediStart MX3 Series, User Manual

Page: 139 / 238

Description The Tachometer Loss Time is the allowable time the starter will operate when a tachometer signal is lost. If
the signal is lost, the starter will perform the action set by the Tach Loss Action parameter.
z
NOTE: Nuisance tachometer loss faults at start can be prevented by setting the initial current parameter to
a value that allows the motor to begin rotating soon after a start is commanded.
Tachometer Loss Action FUN 15
LCD Display
LCD Description
Range
Fault The starter will shutdown and indicate a tachometer loss fault.
Current Acceleration If the tachometer signal is lost the starter will fault. However the
start mode parameter will be set to Current control acceleration so
that when the fault is reset the starter will start in Current control
mode.
TruTorque Accel If the tachometer signal is lost the starter will fault. However the
start mode parameter will be set to TruTorque control acceleration so
that when the fault is reset the starter will start in Current control
mode.
KW (Power) If the tachometer signal is lost the starter will fault. However the
start mode parameter will be set to KW (Power) so that when the fault is
reset the starter will start in Current control mode.
Description If the tachometer detects the feedback signal is not valid one of the above actions will be taken depending on
the value of the Tach Loss Action user parameter.
Communication Address FUN 16
LCD Display
Range 1 – 247 (Default 1)
Description The Communication Address parameter sets the starter’s address for Modbus communications.
See Also Local Source parameter (QST04) on page 74.
Remote Source parameter (QST05) on page 74.
Communication Baud Rate parameter (FUN17) on page 131.
Communication Timeout parameter (FUN18) on page 132.
Communication Byte Framing parameter (FUN19) on page 132.
Communication Baud Rate FUN 17
LCD Display
Range
1200, 2400, 4800, 9600, 19200 bps
(Default 19200)
Description
The Communication Baud Rate parameter sets the baud rate for Modbus communications.
131
6 - PARAMETER DESCRIPTION
FUN: Com Drop #
16
1
FUN: Com Baudrate
17
19200
FUN: Tach Los Act
15
Fault