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Diagnostics Optimization CT MODBUS RTU Technical Data
308 E300 Design Guide
Issue Number: 1
*Frame sizes 7 and above.
Input phase loss detection can be disabled when the drive is required to operate from a d.c. supply connected to the d.c. link or from a single phase
supply. If the drive operates from a single phase supply or a supply with high levels of phase imbalanced under load the input stage and d.c. link
thermal protection system may produce an OHt dc bus trip.
When frame sizes 10 and above are operated with parallel power modules a trip is initiated if the supply is completely removed from the input to any
of the parallel modules. This additional detection is disabled if Input Phase Loss Detection Mode Enable (H08) > 0.
When set to 0, stopping is activated by a removal of the speed signals. The deceleration distance is calculated from the profile parameters and is
displayed in V1 Calculated Deceleration Distance (J10) > V10 Calculated Deceleration Distance (J19).
When set to 1, stopping is activated by a stop signal via a digital input routed to the freeze input (Drive terminal 27). Upon receiving the freeze, the
AMC switches to position mode using the stopping distance for the speed selected, and compensates for any distance from when the stop input is
received to when the AMC is processed. The deceleration distance is calculated from the profile parameters and is displayed in V1 Calculated
Deceleration Distance (J10) > V10 Calculated Deceleration Distance (J19). Edge detection is selected by Direct To Floor Edge Detection (H10)
selects rising (0) or falling (1) edge detection.
When set to 2, stopping is activated by a removal of the speed signals. The user can specify the deceleration distance used directly using V1
Deceleration Distance Setpoint (G19) to V10 Deceleration Distance Setpoint (G28).
0: Rising 1st
Direct to floor stop input is triggered on a rising edge of Digital input 4. The first suitable edge produced by the trigger source causes the direct to floor
stop to be actioned.
1: Falling 1st
Direct to floor stop input is triggered on a falling edge of Digital input 4. The first suitable edge produced by the trigger source causes the direct to floor
stop to be actioned.
Input Phase Loss Detection Mode Enable (H08) Drive Active (L06) = 0 Drive Active (L06) = 1
0 *Direct input phase loss detection
*Direct input phase loss detection
D.c. link voltage ripple detection
1 No input phase loss detection D.c. link voltage ripple detection
2 No input phase loss detection No input phase loss detection
H09 Direct To Floor Sensor Mode
Mode RFC-A, RFC-S
Minimum 0 Maximum 2
Default 0 Units
Type 8 Bit User Save Update Rate Background
Display Format Standard Decimal Places 0
Coding RW, Txt, US
Value Text
0 Spd IP
1 Stop IP
2 Spd IP+User Dist
H10 Direct To Floor Edge Detection
Mode RFC-A, RFC-S
Minimum 0 Maximum 1
Default 0 Units
Type 8 Bit User Save Update Rate Background
Display Format Standard Decimal Places 0
Coding RW, Txt, US
Value Text
0 Rising 1st
1 Falling 1st
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