Electrical Connections; Operating Unit; Control Keys - Kronos 50 Manuel D'installation

6.1

Electrical Connections

Terminal number Description
1 - 2 Power supply
3 - 4 Trigger 1 input signal
5 - 6 Trigger 2 input signal
7 - 8 Alarm relay output
9 - 10
10
10
10 - 11
11
12 - 13 Level control probe input
14 -15 -16 -17 Not used

8. OPERATING UNIT

8.1

Control Keys

The control keys are designated as follows:
Key
0000137630
9 Pole + (mA)
Pole - (GND)
Pole - (GND)
Pole + (Pulse)
Description
Starts and stops the pump. In the event of a level alarm (alarm function only), flow
alarm and active memory alarm, it deactivates the signal on the display.
Used to "exit" the various menu levels. Before definitively exiting the programming
phase, you will be asked if you wish to save any changes.
When pressed during the pump operation phase, it cyclically displays the
programmed values on the display.
When pressed at the same time
value dependent on the selected operating mode. During programming it carries out
an "enter" function, meaning that it confirms entry to the various menu levels and
modifications within the same.
Used to run upwards through the menu
Used to run downwards through the menu or for the priming, keeping it there for at
least 3 seconds, pump start running at 100% until the
Used to increase the numerical values to be changed. Can be used to start dosage
in Batch mode.
Used to decrease the numerical values to be changed.
Electrical features
100÷240 VAC
24÷240 VAC
24÷240 VAC
250VAC 8A
Input mA 0/4÷20 mA (Input impedance: 200 ohm)
Pulses free from voltage (pulse emission meter;
Pulses input
dry contact: on-off, maximum frequency 1KHz)
Dry contact (on-off)
Not used
or
Rev. 2.0
(50–60Hz)
or VDC
or VDC
keys, it increases or decreases a
key is pressed.
5