ABB AW400 Series User Manual

9
2.6 Instrument operating block diagram
CPU
configuration
output setting
alarms
algorithms and
routines
SERIA
L
COMMUNICATION
RS485
RS422
RS232
DIGITA
L
I
/
O
CCI 1 freezes Ch.1
CCI 2 freezes Ch.2
CCI 1 + CCI 2 when
in OR freeze Ch.1 +
Ch.2
CCO 1
CCO 2
CCO 3
CCO 4
CCO 5
CCO 6
CCO 7 watch dog
G
C
B
D
ANALOG I/O
Channel 1
Type of chann.
Calibration data
Input signals:
pH, mV, O2, Cl,
CD, O3, mA
Output signal:
(0 – 20 o
r
4–20
mA)
A
POWER
SUPPLY
power supply to
all pc boards and
components
ANALOG I/O
Channel 2
Type of chann.
Calibration data
Input signals:
pH, mV, O2, Cl,
CD, O3, mA
Output signal:
(0 – 20 o
r
4–20
mA)
ANALOG I/O
Channel 3
Type of chann.
Calibration data
Input signals:
pH, mV, O2, Cl,
CD, O3, mA
Output signal:
mA)
E
F
CCO1Ö6
functions
depend on
type of
instrument
selected
Output signal:
(0
–
20 o
r
4
–
20

ABB AW400 Series Specifications

General

Brand	ABB
Model	AW400 Series
Category	Transmitter
Language	English