Schneider Altivar 28 Manual De Usario página 79

Configuration
I/O assignment menu
Code Assignment
- - - - L L L L I I I I 2 2 2 2 Logic inputs
- - - - L L L L I I I I 3 3 3 3 no : not assigned
rrS : reverse rotation (2 operating directions)
- - - - L L L L I I I I 4 4 4 4
rP2 : ramp switching (1)
JOG : "step by step" operation (1)
PS2, PS4, PS8: See "Preset speeds", page 67.
nSt : freewheel stop. Function active when the input is powered down
dCI : DC injection braking IdC, peak limited at 0.5 ItH after 5 seconds if the command is
maintained
FSt : fast stop. Function active when the input is powered down
FLO : forced local mode
rSt : fault reset
rFC : reference switching (when the input is powered down the speed reference is AIC/AI2
or that generated by the PI function if it is assigned).When the input is powered up the
speed reference is AI1
• If tCC = 3C, LI2 = For (forward), cannot be reassigned
• If a function is already assigned to another input it still appears, but its storage using
is inactive
• The 4 or 8 preset speeds must be configured in the following order of assignment : PS2
then PS4 then PS8. They must be cancelled in the reverse order (see Configurable I/O
Application Functions )
- - - - A A A A I I I I C C C C Analog input AIC / AI2
no : not assigned
SAI : summing with AI1
PII : PI regulator feedback, the PI reference being internal adjustment parameter rPI (1)
PIA : PI regulator feedback, the PI reference being automatically assigned to AI1 (1)
• SAI cannot be assigned if a logic input is assigned to rFC (reference switching)
• PII and PIA cannot be assigned if a logic input is assigned to JOG or to PS2
• If a logic input LIx is assigned to rFC (reference switching) and AIC is assigned to PII or
PIA, the speed reference is taken on AI1 if LIx = 1 and is the output of PI if LIx = 0
(1) Assigning this function displays the corresponding settings in the SEt- menu so that they can be adjusted.
(continued)
I I I I - - - - 0 0 0 0 - - - -
Factory
setting
rrS
PS2
PS4
ENT
SAI
80