Installation
13
© Lutz-Jesco GmbH 2020
Subject to technical changes.
200123
BA-46020-02-V04
Multi-Channel Controller
TOPAX
®
MC
Operating instructions
7.4 Terminal connection
8
1
9
2 3 4 5 6 7
10 11121314151617181920
2930313233343536
2122232425262728
37383940
41 42 43
44 45 46 47 48 49 50 51 52
USB
A B
Fig. 7: Overview of terminal connection
Terminal Function
Description
1
LED output 1 (red)
+
5 V with 220 Ω series resistance for LEDs of the water
sampling stations
2
LED-output 1 (green)
+
3
LED output 2 (red)
+
4
LED-output 2 (green)
+
5
LED output 3 (red)
+
6
LED-output 3 (green)
+
7
LED output 4 (red)
+
8
LED-output 4 (green)
+
9 − 10
LED output GND
-
Ground for the LEDs
11
Disturbance variable input
+
0/4 − 20 mA
12
-
13
Analogue output 1
+
0/4 – 20 mA, working resistance max. 500 Ω
14
-
15
Analogue output 2
+
16
-
17
Analogue output 3
+
18
-
19
Analogue output 4
+
20
-
21 − 36
Digital inputs 1 − 8
+ (odd numbers)
- (even numbers)
Function configurable
37 − 40
Ethernet connection
41 − 43
Alarm relay
Clamps 41 + 42 normal on
Clamps 42 + 43 normal off
44 − 46
Connection supply voltage
Protective earth (PE)
47 − 49
Neutral line (N)
50 − 52
Phase (L)
Tab. 7: Terminal connection
LED outputs
Input 1
Input 2
Input 3
Input 4
Output 1
Output 2
Output 3
Output 4
Ethernet
Digital inputs
0/4 – 20 mA
Alarm relay
Voltage
RS485
