4.6. Parameter Group 5: Digital In/Out
4.6.1. 5-** Digital In/Out
The following describes all digital input command functions and signals.
4.6.2. 5-1* Digital Inputs
Parameters for configuring the functions for the input terminals.
The digital inputs are used for selecting various functions in the frequency converter. All digital inputs can be set to the following:
[0] No Operation The frequency converter will not react to signals transmitted to the terminal.
[1] Reset Reset the frequency converter after a Trip/Alarm. Not all alarms can be reset.
[2 ] Coast Inverse Coasting stop, inverted input (NC). The frequency converter leaves the motor in free mode.
[3] Coast and reset inv. Reset and coasting stop inverted input (NC). The frequency converter resets and leaves the motor in free mode.
[4] Quick stop inverse Inverted input (NC). Generates a stop in accordance with the quick-stop ramp time set in par. 3-81. When motor stops,
shaft is in free mode.
[5] DC-brake inv. Inverted input for DC braking (NC). Stops motor by energizing it with DC current for a certain time period, see par. 2-01.
Function is only active when value in par. 2-02 is different from 0.
[6] Stop inv. Stop inverted function. Generates stop function when selected terminal goes from logical level “1” to “0”. Stop is
performed according to selected ramp time.
[8] Start Select start for a start/stop command.
1 = Start, 0 = stop.
[9] Latched start Motor starts if a pulse is applied for min. 2 ms. Motor stops when Stop inverse is activated.
[10] Reversing Change direction of motor shaft rotation. Reversing signal only changes direction of rotation; it does not activate start
function. Select Both directions [2] in par. 4.10.
0 = normal, 1 = reversing.
[11] Start reversing Use for start/stop and for reversing at the same time. Signals on start [8] are not allowed at the same time.
0 = stop, 1 = start reversing.
[12] Enable start forward Use if motor shaft must rotate clockwise at start.
[13] Enable start reverse Use if motor shaft must rotate counterclockwise at start.
[14] Jog Use for activating jog speed. See par. 3-11.
[16] Preset ref bit 0 Preset ref bit 0, 1 and 2 enables a choice between one of the eight preset references according to the table below.
[17] Preset ref bit 1 Same as preset ref bit 0 [16], see par. 3-10.
[18] Preset ref bit 2 Same as preset ref bit 0 [16].
[19] Freeze reference Freeze actual reference. The frozen reference is now the point of enable/condition for Speed up and Speed down to
be used. If Speed up/down is used, speed change always follows ramp 2 (par. 3-51 and 3-52) in the range par. 3-02
Minimum Reference - par. 3-03 Maximum Reference.
[20] Freeze output Freeze the actual motor frequency (Hz). The frozen motor frequency is now the point of enable/condition for Speed up
and Speed down to be used. If Speed up/down is used, the speed change always follows ramp 2 in the range par. 4-12,
Motor Speed Low Limit - par. 4-14, Motor Speed High Limit.
NB!
When freeze output is active, the frequency converter cannot be stopped via a low Start [8] signal. Stop the frequency
converter via a terminal programmed for Coasting Inverse [2] or Coast and reset, inverse [3].
[21] Speed up Select Speed up and Speed down if digital control of the up/down speed is desired (motor potentiometer). Activate this
function by selecting either Freeze reference or Freeze output. When Speed up is activated for less than 400 ms. the
resulting reference will be increased by 0.1%. If Speed up is activated for more than 400 ms. the resulting reference
will ramp according to ramp 2 in par. 3-51.
[22] Speed down Same as Speed up [21].
[23] Setup select bit 0 Set par. 0-10 Active set-up to Multi set-up.
Logic 0 = set-up 1, Logic 1 = Set-up 2.
AF-60 LP™ Micro Drive Programming Guide
32
4
To Next Page
Loading...
Need help?
General
