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Unidrive M Regen Design Guide 175
Issue Number: 4
The Final drive enable is a combination of the Hardware Enable (06.029), Drive Enable (06.015) and other conditions that can prevent the drive from
being enabled. All of these conditions are shown as bits in Enable Conditions (06.010) as given in the table below.
The bits in Sequencer State Machine Inputs (06.011) show the state of the inputs to the sequencer state machine as given in the table below.
Drive Enable (06.015) must be active for the drive to be enabled.
Date (06.016), Time (06.017) and Day Of Week (06.018) show the date and time as selected by Date/Time Selector (06.019). Date (06.016) stores
the date in dd.mm.yy format regardless of the setting made in Date Format (06.020) however if the parameter is viewed using a keypad the date will
be displayed in the format selected in Date Format (06.020). If a real time clock is selected from an option module then the days, months and years
are from the real time clock and the day of the week is displayed in Day Of Week (06.018). Otherwise the days have a minimum value of 0 and roll
over after 30, the months have a minimum value of 0 and roll over after 11, and Day Of Week (06.018) is always 0 (Sunday).
If when setting the date/time this parameter is being written via comms or from and applications module then the value should be written in standard
dd/mm/yy format as described below.
The value of this parameter as seen over comms or to an applications module is as follows.
Value = (day[1..31] x 10000) + (month[1..12] x 100) + year[0..99]
06.010 Enable Conditions
RO Bin ND NC PT
000000000000 to 111111111111
Enable Conditions
(06.010) bits
Enable condition
0 Hardware Enable (06.029)
1 Drive Enable (06.015)
2 Always 1 in Regen mode.
3NA
4 Set to 1
5 Zero until the drive thermal model has obtained temperatures from all drive thermistors at least once.
6
Zero until all option modules that are present in the drive have indicated that they are ready to run or the system has timed
out waiting for this.
7-10
Zero if an option module has forced the drive to be disabled if for example it is updating its user program. Bit 7 corresponds
to slot 1, bit 8 to slot 2, etc.
11 Zero if the drive is in standby mode. See Standby Mode Enable (06.060)
06.011 Sequencer State Machine Inputs
RO Bin ND NC PT
000000 to 111111
Sequencer State Machine Inputs
(06.011)
Signal Indicates
0 Final drive enable The drive inverter is allowed to be enabled
1 Not used Always zero.
2 Under Voltage Active (10.016) The under voltage condition has been detected.
3
Charge System Disabled / Contactor Closed
(03.008)
Indicates when the external charge system contactor is
closed.
4 Drive tripped The drive is tripped.
5 Synchronized (03.009) Regen system is synchronized to the supply.
06.015 Drive Enable
RW Bit US
Off (0) or On (1)
On (1)
06.016 Date
RW Date ND NC PT
00-00-00 to 31-12-99
00-00-00
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