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Diagnostics Optimization CT MODBUS RTU Technical Data
E300 Design Guide 393
Issue Number: 1
If there is no alarm then Active Alarm (L24) = 0. If one alarm is active then Active Alarm (L24) shows the value of the alarm. If more than one alarm is
active then Active Alarm (L24) shows the active alarm with the lowest value. The strings from this parameter are also used by the basic keypad to
provide the status display text except for option slot warnings where the option module may supply the string.
Autotune Active (L25) is set to one while an auto-tune sequence is active.
It is possible for some trips to cause the motor to stop before the trip is initiated (see Action On Trip Detection (H45)). During the period while the
motor is being stopped before the trip is initiated Stop Motor (L26) is set to one. Once the motor stops Stop Motor (L26) is set back to zero.
Reverse Direction Commanded (L27) indicates the reference direction at the input to the ramp system. If the Profile Speed (J39) is negative Reverse
Direction Commanded (L27) is one otherwise Reverse Direction Commanded (L27) is zero.
In Open-loop mode, Reverse Direction Running (L28) is set to one if the Profile Speed (J39) is negative otherwise it is set to zero. In RFC-A and
RFC-S modes, Reverse Direction Running (L28) is set to one if the Drive Encoder Speed Feedback (J51) is negative, otherwise it is set to zero.
Value Text
0 None
1 Brake Resistor
2 Motor Overload
3 Ind Overload
4 Drive Overload
5 Auto Tune
6 Limit Switch
7 Fire Mode
8 Low Load
9 Option Slot 1
10 Option Slot 2
11 Option Slot 3
12 Option Slot 4
L25 Autotune Active
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate Background write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
L26 Stop Motor
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate Background write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
L27 Reverse Direction Commanded
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate Background write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
L28 Reverse Direction Running
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate Background write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
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