ABB ACS 400 User Manual page 103

Code Description
3407 P VAR 2 SEL
Selection of process variable 2. Number of any parameter of the group 1
3408 P VAR 2 MULTIP
Process variable 2 multiplier.
3409 P VAR 2 DIVISOR
Process variable 2 divider.
3410 P VAR 2 SCALING
Decimal point location of process variable 2, when displayed.
3411 P VAR 2 UNIT
Process variable 2 unit. See parameter 3406.
Example. Assume that a two pole motor is directly connected to a roll 0.1 m in diameter and the line
speed is to be displayed in m/s. The following settings are then needed:
3401 = 2 (
DISPLAY SEL
3402 1 = 0103 (
P VAR SEL
3406 1 = 19 (m/s)
P VAR UNIT
Since 1 Hz output equals 1 rev/s, equals PI * 0.1 m/s line speed, or approximately 0.314 m/s, is:
Select:
3403 1
P VAR MULTIP
3404 1
P VAR DIVISOR
Since variable 0103
value 10 represents 1 Hz. Therefore 3405
ACS 400 User's Manual
)
PROCESS VAR
)
OUTPUT FREQ
line speed =
= 314
= 1000
is displayed with 0.1 Hz resolution, it is internally scaled so that
OUTPUT FREQ
output freq * 314
1000
1 = 1 must be selected.
P VAR SCALING
.
OPERATING DATA
m/s
93