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Diagnostics Optimization CT MODBUS RTU Technical Data
E300 Design Guide 317
Issue Number: 1
When set to Off (0), Normal Duty operation is prevented if Motor Rated Current (B02) > Maximum Heavy Duty Rating (J05) by Trip 61 (Drive rating).
Trip 61 (Drive rating) warns commissioning personnel that the drive and motor combination will result in normal duty operation where the maximum
overload current is reduced which will result in reduced motor torque capability. It is possible that the drive has been sized incorrectly for the
application. When the drive is used in Normal Duty operation Symmetrical Current Limit (B16) is reduced linearly to the minimum of 110 % of motor
rated current.
When set to On (1), Normal Duty operation is allowed and Trip 61 (Drive rating) is disabled. The peak current capability is reduced to typically 110 %
of motor rated current.
When set to Off (0), Elevator Position (J36) displays the elevator position relative to the last stop. Selecting this mode resets the shaft position count.
The reset behaviour can be used to datum the shaft position prior to selecting absolute mode.
When set to On (1), Elevator Position (J36) displays the absolute elevator position. The absolute position may be associated to the absolute shaft
position by user manual entry when the elevator is in the idle state, Elevator Software State (J03) = 0. This may be achieved by stopping the elevator
car at zero position in the elevator shaft, e.g. the lowest floor, and then reset Elevator Position (J36) to 0 by toggling Position Display Mode (H30) from
Relative to Absolute (0 to 1).
It must be noted that this position can drift over time due to rope slip, therefore it is for indication only when commissioning.
When set to On (1), the following trips are disabled to assist with commissioning and diagnostics for service personnel when setting up a new elevator
system:
• Trip 65 (Fast disable err), Fast disable monitoring.
• Trip 66 (STO ctrl err), Safe T
o
rque Off input monitoring.
• Trip 70 (Mot con open) / Trip 71 (Mot con closd), monitoring of the motor contactors.
It is recommended for normal operation to leave this parameter set to Off (0).
This parameter can’t be saved to On (1) by the user.
When Elevator Trip Disable (H31) = On (1) State 1 and state 14 will not time out in the event that the fast disable input, STO input or motor contactor
monitoring inputs are not in the correct state.
H29 Normal Duty Enable
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default 0 Units
Type 1 Bit User Save Update Rate Background
Display Format Standard Decimal Places 0
Coding RW
H30 Position Display Mode
Mode Open-Loop, 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, TE
Value Text
0 Relative
1 Absolute
H31 Elevator Trip Disable
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default 0 Units
Type 8 Bit Volatile Update Rate Background
Display Format Standard Decimal Places 0
Coding RW, TE
Value Text
0 Trips Enabled
1 Trips Disabled
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