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Les langues disponibles
Installation
1
Pressure
2
Level
Terminal
Signal
Function
number
Supply
X0/1
L
X0/2
N
Supply 230 V, maximal 16 A
X0/3
PE
X0/1
L1
X0/2
L2
X0/3
L3
Supply 400 V, maximal 20 A
X0/4
N
X0/5
PE
Circuit board
1
PE
2
N
Voltage supply
3
L
4
Y1
"Safe Control" motorized ball
5
N
valve for make-up (MKH1) WV
6
PE
7
Y2
Motorized ball valve to the tank
8
N
(MKH2)
9
PE
10
Y3
11
N
3-way motorized ball valve
12
PE
13
Dry-run protection message
(floating)
14
15
M1
16
N
PU 1 pump
17
PE
18
M2
19
N
---
20
PE
21
FB1
Pump 1 voltage monitoring
22a
FB2a
Pump 2 voltage monitoring
22b
FB2b
External make-up request
together with 22a
23
NC
24
COM
Group message (floating)
25
NO
27
M1
Flat plug for supply, pump 1
31
M2
Flat plug for supply, pump 2
35
+18 V (blue)
Analogue input, LIS level
36
GND
measuring
37
AE (brown)
at the primary tank
38
PE (shield)
39
+18 V (blue)
Analogue input, "PIS" pressure
measuring
40
GND
at the primary tank
41
AE (brown)
38 — English
3
Fuses
Terminal
Wiring
number
42
43
User supplied
44
45
51
User supplied
52
53
54
Factory-
55
provided
56
57
Factory-
provided
58
Factory-
provided
6.4.2
Terminal plan, operating unit
Factory-
provided
User supplied
Factory-
provided
---
1
RS-485 interfaces
2
I/O interface
3
I/O interface (reserve)
Factory-
provided
4
Micro SD card
5
10 V supply
Factory-
provided
6
Analogue outputs for Pressure and Level
7
Battery compartment
Factory-
provided
8
Bus module supply voltage
9
RS–485 connection
10
RS–485 connection
User supplied
Terminal
Factory-
number
provided
Factory-
1
provided
2
3
4
User supplied
5
6
7
User, optional
8
9
Servimat M/L — 25.07.2025
Signal
Function
PE (shield)
+24 V
Digital inputs
E1
E1: Contact water meter
Insufficient water switch E2
E2
(LSL)
GND
+24 V (supply)
0 – 10 V
---
(correcting
variable)
0 – 10 V
(feedback)
GND
+24 V (supply)
0 – 10 V
Pressure relief valve (control
(correcting
ball valve RKH1)
variable)
0 – 10 V
(feedback)
Signal
Function
A
RS-485 interface
B
S1 networking
GND S1
A
RS-485 interface
B
S2 modules: Expansion or
communication module
GND S2
+5 V
I/O interface: Interface to the
R × D
main board
T × D
Wiring
User, optional
Factory-
provided
---
---
Factory-
provided
Wiring
User
supplied
User
supplied
Factory
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