IMPULSE®•G+ & VG+ Series 4 Instruction Manual – February 2017
5-24
Table 5-25: Monitor Values at Hook Height Home Position
Lower Limit/Upper Limit Bypass MFDI
The Limit Bypass allows for the following without the use of jumpers or re-programming of the drive
parameters:
1. Ease of testing of the Weighted Upper Limit Switch (UL3) or re-homing the Height
Measurement function, and
2. To allow changing of the wire ropes, i.e. spooling all the rope off of the hoist drum.
NOTE: The momentary key-switch to operate this function should only be accessible to
maintenance personnel, not the crane operator. A functional description and usage
procedure should be included in an administrative control program to avoid confusion and
potentially have the End of Travel Limit switches left in a bypassed state during normal
operation of the crane.
Table 5-26: Limit Bypass MFDI
C03-15 = 0 C03-15 = 1
C03-14 U01-51 U01-50 U01-50
0 0 0% 100%
1 C03-13 100% 0%
2 0 0% 100%
3 C03-13 100% 0%
4 0 0% 100%
Functions Bypassed
C09-0x or H01-0x settings will bypass the functions in the left
most column when the input is activated
73 74
Upper Limit 1 N.O. (MFDI = 06) ×
Upper Limit 2 N.O. (MFDI = 07) × ×
Lower Limit 1 N.O. (MFDI = 08) ×
Lower Limit 2 N.O. (MFDI = 09) × ×
Upper Limit 1 N.C. (MFDI = 0A) ×
Upper Limit 2 N.C. (MFDI = 0B) × ×
Lower Limit 1 N.C. (MFDI = 0C) ×
Lower Limit 2 N.C. (MFDI = 0D) × ×
UL2 detected by EPLS (C03-16) × ×
UL1 detected by EPLS (C03-17) ×
LL1 detected by EPLS (C03-18) ×
LL2 detected by EPLS (C03-19) × ×
× = Limit Bypass
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