Rockwell Automation Allen-Bradley 160 SSC Series, User Manual

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2-14 Installation and Wiring
Important:
Settings 4 through 9 provide additional flexibility of TB3 control
input terminal 8.
P46 Setting 4 - Two-Wire Accel/Decel Control
This input mode is similar to Setting 1 except TB3 terminal 8 provides the function
of switching from
P30 - [Accel Time 1]
and
P31 - [Decel Time 1]
to
P69 - [Accel Time 2]
and
P70 - [Decel Time 2]
for any commanded frequency reference.
Two-Wire Accel/Decel control Figure 2.8
➊
TB3 terminal 8 can be used to clear faults. See Figure 2.14 for details.
P46 Setting 5 - Two-Wire Enable Control
This input mode is similar to Setting 1 except TB3 terminal 8 provides the function
of “enable” command. The “enable” input is required for the drive to operate and
if opened during operation the programmed
P34 - [Stop Mode] will be overridden
and the motor will coast to rest.
Two-Wire Enable control Figure 2.9
➊
TB3 terminal 8 can be used to clear faults. See Figure 2.14 for details.
➋
When this input is in an open state, the motor will coast to rest.
56
7
8
Run Reverse
Run Forward
Common
Accel/Decel Select
➊
TB3
TB3-8 Open
Accel 2, Decel 2
TB3-8 Closed
Accel 1, Decel 1
Enable
➊
56
7
8
Common
Run Reverse
Run Forward
TB3
TB3-8 Open
Controller Disabled
➋
TB3-8 Closed
Controller Enabled