R&M Materials Handling VARIABLE SPEED CONTROLS ControlMaster NXT Service Manual - Manual (Page 33)

R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
33/53 R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
5.3 Switch settings on chain hoist lifting application
The chain hoist lifting application is activated with switch group S10. The switches must be set according to the
descriptions in the following section.
5.3.1 S10 -2 Chain hoist lifting application
The switch S10 – 2 activates the chain hoist lifting application.
Switch S10- 2 Chain hoist lifting application
0 The chain hoist lifting application is not active.
1 The chain hoist lifting application is active.
Note: The setting shall be used for lifting applications only.
5.3.2 S6 U/f curve settings on chain hoist lifting application
Switch S6 U/f curve settings
-1 -2 -3 Zero Freq Volt [%] U/f Mid Volt [%]
1 1 1 8.5 16
The intermediate point is 5.5 % of the motor’s nominal frequency.