43
9.4.
Parameters in the Long parameter mode
The following table includes the complete descriptions of all parameters that are visible only in the Long parameter mode. See section 9.1 on
page 38 for how to select the parameter mode.
Parameters in the Long parameter mode
Index
Name/Selection
Description
Def
0000 Read only parameters access
Press the button when in this parameter to access the read only parameters as listed in
section 9.3 on page 41.
-
04
FAULT HISTORY
Fault history (read-only)
0401
TRIP HISTORY LOG
Displays the last four fault codes for the drive. Refer to section 13.1 for further information.
-
11
REFERENCE SELECT
The drive can accept a variety of references in addition to the conventional analog input,
potentiometer and keypad signals.
1100
KEYPAD MODE RESTART
SPEED
This parameter is only active when parameter 1103 = 1 or 2. When settings 0 to 3 are used,
the drive must be started by pressing the Start key on the keypad. When settings 4 – 7 are
used, the drive starting is controlled by the enable digital input.
1 : Previous
Operating
Speed
0 : MINIMUM SPEED
Following a stop and restart, the drive will always initially run at the minimum speed
parameter 2007 MIN SPEED LIMIT.
1 : PREVIOUS OPERATING
SPEED
Following a stop and restart, the drive will return to the last keypad setpoint speed used
prior to stopping
2 : CURRENT RUNNING
SPEED
Where the ACS255 is configured for multiple speed references (typically Hand / Auto control
or Local / Remote control), when switched to keypad mode by a digital input, the drive will
continue to operate at the last operating speed
3 : PRESET SPEED 4
Following a stop and restart, the ACS255 will always initially run at Preset Speed 4 (Par 1205)
4 : MINIMUM SPEED
(TERMINAL ENABLE)
Following a stop and restart, the drive will always initially run at the minimum speed
parameter 2007 MIN SPEED LIMIT.
5 : PREVIOUS OPERATING
SPEED (TERMINAL
ENABLE)
Following a stop and restart, the drive will return to the last keypad setpoint speed used
prior to stopping.
6 : CURRENT RUNNING
SPEED (TERMINAL
ENABLE)
Where the ACS255 is configured for multiple speed references (typically Hand / Auto control
or Local / Remote control), when switched to keypad mode by a digital input, the drive will
continue to operate at the last operating speed
7 : PRESET SPEED 4
(TERMINAL ENABLE).
Following a stop and restart, the ACS255 will always initially run at Preset Speed 4 (Par 1205)
1103
PRIMARY COMMAND
SOURCE MODE
0: Terminal
Control
0: TERMINAL CONTROL
The drive responds directly to signals applied to the control terminals.
1: UNI-DIRECTIONAL
KEYPAD CONTROL
The drive can be controlled in the forward direction only using an external or remote Keypad.
2: BI-DIRECTIONAL
KEYPAD CONTROL.
The drive can be controlled in the forward and reverse directions using an external or remote
Keypad. Pressing the keypad START button toggles between forward and reverse.
3: PI CONTROL
The output frequency is controlled by the internal PI controller.
4: FIELDBUS CONTROL
Control via Modbus RTU.
5 : CAN BUS CONTROL.
Control via CAN bus connected to the RJ45 serial interface connector
