CHA NGE PARA METERS 115
6.10.5 ZERO INTERLOC KS / Zero interlocks current level PIN 11 8
6.10.6 ZERO INTERLO CKS / At zero reference flag PIN 119
Branch hopping facility to next windo w.
6.10.7 ZERO INTERLO CKS / At zero speed flag PIN 120
Branch hopping facility to adjacent windo ws.
6.10.8 ZERO INTERLOCKS / At standstill flag PIN 121
This flag operates irrespective of the state of 115)ST A NDSTILL ENBL.
6.10.8.1 Low speed performance
When running at very lo w speeds the SPEED PI AD APTIO N may need adjustment for optimum performance.
The SPEED PI ADAPTION default settings are designed to give lower gain with lo w error. This provides
smooth steady state performance. Ho w ever applications that require precise control at very low speeds may
function better with the adaption disabled.
If the adaption is required to be on during normal running and off at lo w speeds then use a MULTIFUNCTION
block to connect an inversion of 120)A T ZERO SPD FLA G to 79)SPD AD APT EN ABLE.
See 6.7.7.6 SPEED PI A D APTIO N / Speed loop adaption enable PIN 79
See 6.7.7.7 SPEED PI A D APTIO N / Using small speed inputs and 6.5.1.4 Precise stopping
ZERO INTERLO CKS 3
118)ZERO INTLK CUR %
118)ZERO INTLK CUR %
1.50 %
PARA METER RANGE DEF AULT PIN
ZERO INTLK CUR % 0.00 to 100.00 % 1.50% 118
Sets current % for the zero ref
start and standstill blocks.
R R
ZERO INTERLO CKS 3
119)A T ZERO REF FLA G
119)A T ZERO REF FLA G
LOW
PARA METER RANGE PIN
A T ZERO REF FLAG HIGH (at zero) or LOW 119
Allo ws the total speed reference
zero status to be monitored.
ZERO INTERLO CKS 3
120)A T ZERO SPD FLA G
120)A T ZERO SPD FLA G
LOW
PARA METER RANGE PIN
A T ZERO SPD FLA G HIGH (at zero) or LOW 120
Allo ws the zero speed
status to be monitored.
ZERO INTERLO CKS 3
121)A T STANDSTILL
121)A T STANDSTILL
LOW
PARA METER RANGE PIN
A T ST A NDSTILL HIGH (at standstill) or LOW 1 21
Allo ws the standstill function
status to be monitored.
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