Rockwell Automation 1397 DC Drive Firmware 2.xx - Manual (Page 144)

5–34 Programming Parameters
Publication 1397-5.0 — June, 2001
REFERENCE SET
[MOP Accel Time] — P.084
Only available if the I/O Expansion kit is
installed.
Time in which the motor operated
potentiometer (MOP) output can change from
zero to [Max Motor Speed].
The MOP function provides a manual
reference to the speed/voltage loop when the
MOP output is selected.
Display/Drive Units: SEC
Parameter Type: Tunable
Group: Reference Set
Factory Default: 0.1 sec. or drive accel rate, whichever is highest
Minimum Value: 1.0 sec
Maximum Value: 300.0 sec.
The [Mop Output] is increased through digital input 4 (terminal 63) and decreased through digital input 3 (terminal 62) on the I/O Expansion
board. The [Mop Output] is limited to prevent going over [Max Process Spd] or under [Min Process Spd].
[Mop Accel Time] and [Mop Decel Time] set the time in which the [Mop Output] can change from zero to [Max Motor Speed] and vice versa.
To prevent the S-curve block from limiting the rate of change from the [Mop Output], [Mop Accel Time] has a low limit equal to [Accel Time].
[Mop Decel Time] has a low limit equal to [Decel Time].
When [Mop Reset Enable] is on, the MOP output goes to [Minimum Speed] when the drive stops. If it is off, the [Mop Output] remains at its
present level when the drive stops.
[MOP Decel Time] — P.085
Only used if the I/O Expansion kit is installed.
Minimum time in which the [Mop Output] can
change from [Max Motor Speed] to zero.
Refer to the [Mop Accel Time] parameter
and block diagram for additional information.
Display/Drive Units: SEC
Parameter Type: Tunable
Group: Reference Set
Factory Default: 0.1 sec. or drive decel rate whichever is highest
Minimum Value: 1.0 sec
Maximum Value: 300.0 sec.
[MOP Reset Enable] — P.086
Determines if the [Mop Output] resets or
stays at the present level when the drive
stops. When [Mop Reset Enable] is on, the
MOP output goes to [Min Process Speed]
when the drive stops. If it is off, the [Mop
Output] remains at its present level when the
drive stops.
Refer to the [Mop Accel Time] parameter
and block diagram for additional information.
Display/Drive Units:
Parameter Type: Tunable
Group: Reference Set
Factory Default: 0 (Off)
Minimum Value: 0 (Off)
Maximum Value: 1 (On)