R&M Materials Handling VARIABLE SPEED CONTROLS ControlMaster NXT Service Manual User Manual
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5.3.4 S3 Acceleration and deceleration ramp times on chain hoist lifting application
Switch group S3 adjusts the ramp time as described in chapter “S3 Acceleration and deceleration ramp times”, but
values for acceleration and deceleration differ from normal (travelling application) use. Values for chain hoist lifting
are shown in the table below.
Note: The setting shall be used in chain hoist lifting applications only.
Switch S3
Acceleration and deceleration ramp
time
-1
-2
-3
0
0
1
0.5
0
0
0
1.0
0
1
0
1.5
0
1
1
2.0
1
0
0
2.5
1
0
1
3.0
1
1
0
3.5
1
1
1
4.0
5.3.5 Other switch groups on chain hoist lifting application
Note: Switch group S8 (start and stop direct current) has no effect when a chain hoist lifting application is in use.
Note: The maximum frequency (switch group S1) is limited to 100 Hz in a chain hoist lifting application.
Note: Switch groups S2, S4, S5, S9 and S10 are similar to normal (travelling application) use and can be set as described in
the “Parameters” section.