Group 70 Pos Ref Limit - ABB ACSM1 Manual

Group 70 POS REF LIMIT
Position reference (dynamic) limiter and synchronisation error supervision settings.
The limiter adds the reference changes from the profile reference generator
POS REF
monitors speed, acceleration and deceleration changes in the positioning reference.
The limited reference changes generate a synchronous error shown by
ERROR. The limits should be set according to the mechanical limits of the driven
machinery.
See also section
20.01 MAXIMUM SPEED
MIN
70.04 POS SPEED LIM
70.03 POS REF ENA
+
4.13 POS REF IPO
4.16 SYNC REF GEARED
20.02 MINIMUM SPEED
NEG
70.04 POS SPEED LIM
IPO) and synchron reference
Dynamic position reference limiter
0
Dynamic Limiter
70.05 POS ACCEL LIM
d
d
dt
dt
70.06 POS DECEL LIM
MAX
(4.16 SYNC REF GEARED). The limiter
on page 66.
dt dt
4.17 POS REF LIMITED
+
ABS
70.07 SYNC ERR LIM
Parameters and firmware blocks
249
(4.13
4.18 SYNC
4.18 SYNC ERROR
a>b
a
FLT 42 POSITION
a=b
ERROR SYNC
b
a<b