216 Rockwell Automation Publication 1560F-UM001A-EN-P - June 2019
Appendix A Parameter Information
186 UTS Level % 0/100 75 The SMC-50 has the ability to determine if the motor is up-to-
speed (UTS). If the SMC-50 encounters a problem detecting
motor UTS, this parameter can be modified by the user to
compensate. If the SMC-50 is detecting the UTS condition to
soon (e.g., abrupt speed change), this number should be
increased (this typically occurs on high efficiency motors). If the
SMC-50 is detecting the UTS condition to late or not at all
(display does not indicate At Speed), this number should be
lowered. Contact RA Technical Support for assistance.
R/W
187 Stall Level % 0/100 75 Allows the user to set the motor winding voltage level (as a
percentage of line voltage) at which the SMC-50 will consider
the motor stalled.
R/W
188 Stall Delay Secs 0/30 1.0 Allows the user to configure the time period after the start
maneuver start time that the motor has to reach UTS, or else a
stall fault will occur.
R/W
189 Stall Position % 0/100 75 Allows the user to set the change in the notch position at which
the SMC-50 will consider the motor stalled.
R/W
190 Notch Maximum
(Pump Control)
50/70 60.0 Allows the user to change the maximum notch value during
pump stop. This parameter is not typically modified and it is
recommended that RA Technical Support be contacted for
assistance before attempting to do so.
R/W
191 Notch Position % 40/100 87.5 Enables the user to make a manual adjustment to an internal
value used for notch control gain, which impacts the SMC-50
starting control algorithm. This parameter is not typically
modified and it is recommended that RA Technical Support be
contacted for assistance before attempting to do so.
R/W
192 Bypass Delay Secs 2/10 2 During the coast to stop, the bypass contactor will be hold by
this number after the Main Contactor open.
R/W
194 Forced Tuning 0/1 1 FALSE
[TRUE]
Enables the controller's tuning algorithms to analyze the load
and supply and adjust parameters for easy set up and optimum
performance.
FALSE
: Do not run tuning algorithm (was already run or
disabled by user).
[TRUE]: Run tuning algorithm at next start command
[Default].
R/W
195 Stator R Ohms 0/50 0.00 Enables the user to read/view the motor stator resistance value
that was measured during the tuning process.
R
196 Total R Ohms 0/50 0.00 Enables the user to read/view the motor total load resistance
that was measured during the tuning process.
R
197 Coupling Factor 0/10 0.00 This is a coefficient inserted by the controller during the tuning
process and viewable by the user.
R
198 Inductance mH 0/1000 0.00 Enables the user to read/view the motor inductance that was
measured during the tuning process.
R
199 Speed Pgain 1/10000 1000 Provides the ability to adjust the gain factor used in speed
measurement algorithms. These parameters are not typically
modified and it is recommended that RA Technical Support be
contacted for assistance before attempting to do so.
R/W
200 Transient Mag 0/2 0.90 Provides the ability to adjust the gain factor used in speed
measurement algorithms. These parameters are not typically
modified and it is recommended that RA Technical Support be
contacted for assistance before attempting to do so.
R/W
Table 66 - SMC -50 Parameter List (Continued)
Number Name Unit Min/Max Default Enum Text Description R/W
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