Evoqua WALLACE & TIERNAN SFC SC, Оригинальное руководство

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WT.050.590.020.DE.IM.0719
Functions
SFC SC
4.
4.3.3 Ratio control
The SFC SC only operates as a ratio controller.
The dosing capacity of the connected device is controlled
automatically, depending on a measuring signal (external flow rate
control signal) and a settable dosing factor. When actuators with
feedback are used, any non-linearity of the dosing device can be
adjusted using a maximum of 11 calibration points.
Picture 2 SFC SC Summary of the inputs/outputs
S
FC
S
in
gl
e
Fu
nc
tio
n
C
on
tr
ol
le
r
R e l a y K 2
R e l a y K 1
S F C
E S C
D i g i t a l I n p u t 1
m A O u t p u t
0 / 4 . . . 2 0 m A
R S 2 3 2 f o r F i r m w a r e U p d a t e
f e e d b a c k i n p u t
1 k / 5 K / 0 . . . 1 V / m A i n p u t
C o n t r o l p a n e l /
D i s p l a y / K e y p a d
m A i n p u t f o r e x t e r n a l c o n t r o l
s i g n a l f l o w
d o s i n g p u m p
s o l e n o i d
p u m p
a c t u a t o r w i t h
f e e d b a c k
D i g i t a l I n p u t 2