Installation
20
© Lutz-Jesco GmbH 2020
BA-62010-01-V01
Chlorine Dioxide System
EASYZON Dd
Operating Instructions
Input/Output Terminals
Description of the connection
Terminals already
connected (x)
12
25
26
To be configured
Default: Flow sensor test sample: Black wire on M25; M26 free (for Compact models not applicable)
DI 13
(1)
69+
70-
Flow Sensor – Acid
x
DI 14
(1)
27+
28-
Flow Sensor – Chlorite
x
DI 15
(1)
71+
72-
Reserve
DI 16
(1)
29+
30-
Pre-Dilution Flow Sensor
x
AO 1
73 +
74 -
4 – 20 mA Analog Output – Production %
AO 2
31 +
32 -
4 – 20 mA Analog Output – Chlorine Dioxide Residual Value (only with sensor connected) (for
Compact models not applicable)
AO 3
75 +
76 -
4 – 20 mA Analog Output – Chlorite Value (only with sensor connected) (for Compact models not
applicable)
AI 1
(2)
33 +
34 -
Green-brown: 0 – 2 V Analog Input Temperature Value
white-yellow: (for Compact models not applicable)
AI 2
(3)
77 +
78 -
4 – 20 mA Analog Input Chlorine Dioxide Measurement Sensor (for Compact models not applicable)
AI 3
(3)
35 +
36 -
4 – 20 mA Analog Input
Measurement Sensor Gaseous Chlorine Dioxide in the Air
AI 4
(3)
79 +
80 -
4 – 20 mA Analog Input
Chlorite Measurement Sensor/Acid Tank Lev. Sensor (for Compact models not applicable)
AI 5
(3)
37 +
38 -
4 – 20 mA Analog Input Free/Chlorite Tank Lev. Sensor (for Compact models not applicable)
AI 6
(4)
81 +
82 -
4 – 20 mA/Pulse Analog Input
Flow Rate Value
AI 7
(4)
39 +
40 -
4 – 20 mA/Pulse Analog Input
Proportional to external signal
RS232
83 RX
84 TX
85 GND
RS232 Serial (for Compact models not applicable)
41 H
42 L
43 GND
Free
RS485
86 A
87 B
88 GND
RS485 Serial
OPT
44
Power Supply 5 V DC
Tab. 10: Description of the electrical connections
(1)
Active or passive 4 – 20 mA inputs
(2)
Inputs that can be switched from mA to pulse by software
7.8 Power cables
The power cables used to connect the producer shall be of a non-flame propagating type (IEC 20-22 and version 1).
We recommend the following cross sections:
n
1 mm² to connect signals and controls.
n
1.5 mm² to connect the power supply of the producer and of the dosing pumps.
