15.3.3 Analog inputs (4.3.2)
Fig. 24 Analog inputs
This display shows the three analog inputs of the CU 372 and two
analog inputs of the IO 351B, if installed. Only sensors measuring
the following parameters can be connected to the system:
Level in collecting tank
•
Level in buffer tank
•
Flow, mains water.
•
Standard configuration:
AI1 (CU 372) [51]
Level in collecting tank
AI2 (CU 372) [54]
Level in buffer tank
AI3 (CU 372) [57]
Flow, mains water
AI1 (IO 351B-41) [57]
Not used
AI2 (IO 351B-41) [60]
Not used
15.3.4 Analog inputs (4.3.2.1 - 4.3.2.3)
Configure the analog inputs in these displays.
The display below shows an analog input which has been
configured for the measurement of the level in the collecting tank.
Fig. 25 Analog inputs
15.3.5 Digital outputs (4.3.3)
Fig. 26 Digital outputs
This display shows the two digital outputs of the CU 372 and the
seven digital outputs of the IO 351B, if installed.
Standard configuration:
DO1 (CU 372) [71]
Open mains water valve
DO2 (CU 372) [74]
Start feed pump
DO1 (IO 351B-41) [77]
Feed pump alarm
DO2 (IO 351B-41) [79]
Booster pump alarm
DO3 (IO 351B-41) [81]
High-water alarm in buffer tank
DO4 (IO 351B-41) [82]
Open mains water valve
DO5 (IO 351B-41) [84]
Level in collecting tank too low
DO6 (IO 351B-41) [86]
Water level above stop level
DO7 (IO 351B-41) [88]
No function
17