
Parameter listing and descriptions 203
ACH550-01 User's Manual
Group 16: SYSTEM CONTROLS
This group defines a variety of system level locks, resets and
enables.
Code Description Range
1601 RUN ENABLE -6…7
Selects the source of the Run enable signal. See the figure on page
208.
0 =
NOT SEL – Allows the drive to start without an external Run enable
signal.
1 =
DI1 – Defines digital input DI1 as the Run enable signal.
• This digital input must be activated for Run enable.
• If the voltage drops and de-activates this digital input, the drive will
coast to stop and not start until the Run enable signal resumes.
2…6 =
DI2…DI6 – Defines digital input DI2…DI6 as the Run enable
signal.
•See
DI1 above.
7 =
COMM – Assigns the fieldbus Command Word as the source for the
Run enable signal.
• Bit 6 of Command Word 1 (parameter 0301) activates the Run
disable signal.
• See the fieldbus user’s manual for detailed instructions.
-1 =
DI1(INV) – Defines an inverted digital input DI1 as the Run enable
signal.
• This digital input must be de-activated for Run enable.
• If this digital input activates, the drive will coast to stop and not start
until the Run enable signal resumes.
-2…-6 =
DI2(INV)…DI6(INV) – Defines an inverted digital input DI2…DI6
as the Run enable signal.
•See
DI1(INV) above.
1602 PARAMETER LOCK 0…2
Determines if the control panel (operator keypad) can change
parameter values.
• This lock does not limit parameter changes made by macros.
• This lock does not limit parameter changes written by fieldbus inputs.
• This parameter value can be changed only if the correct pass code is
entered. See parameter 1603
PASS CODE.
0 =
LOCKED – You cannot use the control panel to change parameter
values.
• The lock can be opened by entering the valid pass code to
parameter 1603.
1 =
OPEN – You can use the control panel to change parameter values.
2 =
NOT SAVED – You can use the control panel to change parameter
values, but they are not stored in permanent memory.
• Set parameter 1607
PARAM SAVE to 1 (SAVE) to store changed
parameter values to memory.
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