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PROGRAMMING
TMS7 SERIES ME00070B 21
Adjustment: Refer Function 21 Relay Output A Functionality for
adjustment detail.
30. Phase Rotation
Range: 0 – 2
0 = Off (forward and reverse rotation accepted)
1 = Forward rotation only (reverse rotation prohibited)
2 = Reverse rotation only (forward rotation prohibited)
Default Setting: 0 (Off)
Description: Sets the valid phase rotations for the TMS7 phase
rotation protection. The TMS7 examines the incoming three
phases and trips if phase rotation does not match the allowable
rotations specified by Function 30.
Adjustment: Set as required.
31. Restart Delay
Range: 1 – 254 seconds
Default Setting: 15 Second
Description: Sets the minimum time between the end of a stop
and the beginning of the next start.
Adjustment: Set as required. During the restart delay period the
LEDs to the right of the TMS7 LED display will flash indicating
the motor cannot yet be restarted.
32. Current Imbalance
Range: 0 – 1
0 = On
1 = Off
Default Setting: 0 (On)
Description: Enables or disables the phase imbalance
protection.
Adjustment: Set as required.
40. Low Current Alarm
Range: 1 – 100% FLC
Default Setting: 50% FLC
Description: Sets the current level (% FLC) at which the low
current alarm operates.
Adjustment: The low current alarm can be assigned to the
Programmable Relay Outputs A, B or C for indication of a motor
current lower than the programmed value.
41. High Current Alarm
Range: 50 – 550% FLC
Default Setting: 105% FLC
Description: Sets the current level (% FLC) at which the high
current alarm operates.
Adjustment: The high current alarm can be assigned to the
Programmable Relay Outputs A, B or C for indication of a motor
current in excess of the programmed value.
42. Motor Temperature Alarm
Range: 0 – 105% Motor Temperature
Default Setting: 80%
Description: Sets the temperature (%) at which the motor
overtemperature alarm operates.
Adjustment: The motor overtemperature alarm can be assigned
to the Programmable Relay Outputs A, B or C for indication of a
motor temperature (as calculated by the Motor Thermal Model)
in excess of the programmed value.
A trip condition occurs when motor temperature reaches 105%.
43. Field Calibration
Range: 85% - 115%
Default Setting: 100%
Description: Adds a gain to the TMS7 current monitoring
circuits. The TMS7 is factory calibrated with an accuracy of ±
5%. The field calibration function can be used to match the
TMS7 current readout with an external current metering device.
Adjustment: Use the following formula to calculate the setting
required.
Field Calibration
(Function 43)
=
Current shown on TMS7 display
Current measured by external device
e.g. 96% =
108 Amps
112 Amps
CAUTION
NOTE:
All current based functions are affected by this
adjustment.
50. 4-20mA Output Range - Max
Range: 0 – 255%
Default Setting: 100 %
Description: Determines the value represented by a 20mA
signal from the analogue output.
Adjustment: Set as required to show percentage of motor
current.
51. 4-20mA Output Range - Min
Range: 0 – 255%
Default Setting: 0 %
Description: Determines the value represented by a 4mA signal
from the analogue output.
Adjustment: Set as required to show percentage of motor
current.
60. RS485 Timeout
Range: 0 – 100 Seconds
Default Setting: 0 seconds (Off)
Description: Sets the maximum allowable period of RS485
serial inactivity.
Adjustment: Set as required.
CAUTION
NOTE:
A setting of 0 seconds disables the RS485 –
Timeout Protection and enables the TMS7 to
continuing operating even if the RS485 link
becomes inactive.