Reflex Variomat Touch VS 2-1/35 Originalbetriebsanleitung Seite 44

Installation
7.5.1 Terminal diagram
7.5.2 Terminal plan, connection component
1 Pressure
2 Level
Terminal
Signal
number
Supply
X0/1 L
X0/2 N Supply 230 V, maximum 16 A
X0/3 PE
X0/1 L1
400 V supply,
X0/2 L2
maximum 20 A
X0/3 L3
(applies only to Variomat Giga
X0/4 N
and Variomat 140!)
X0/6 PE
Circuit board
1 PE
2 N Voltage supply
3 L
4 Y1
5 N Make-up solenoid valve WV
6 PE
7 Y2
PV 1 overflow valve (motor ball
8 N
valve or solenoid valve)
9 PE
10 Y3
PV 2 overflow valve (motor ball
11 N
valve or solenoid valve)
12 PE
13 Dry run protection message
(potential free)
14
Max. 230 V, 2 A
15 M1
16 N PU 1 pump
17 PE
18 M2
19 N PU 2 pump
20 PE
21 FB1
Pump 1 voltage monitoring
22a FB2a
Pump 2 voltage monitoring
22b FB2b ---
23 NC
Group message (potential free)
24 COM
Max. 230 V, 2 A
25 NO
27 M1
Flat plug for supply, pump 1
44 — English
3 Fuses
Function Wiring
On-site
On-site
Factory-
provided
Factory-
provided
--
---
On-site
Factory-
provided
Factory-
provided
Factory-
provided
Factory-
provided
---
On-site
Factory-
provided
Variomat Touch — 22.07.2024
Terminal
Signal
number
31 M2
Flat plug for supply, pump 2
35 +18 V (blue)
Analogue input, LIS level
36 GND
measurement
37 AE (brown)
at the primary vessel
38 PE (shield)
39 +18 V (blue)
Analogue input, "PIS" pressure
40 GND
measuring
41 AE (brown)
at the primary vessel
42 PE (shield)
43 +24 V
Digital inputs
44 E1 E1: Contact water meter
45 E2 E2: Low water switch
51 GND
52 +24 V (supply)
0 – 10 V
53
PV 2 overflow valve (motor ball
(correcting
valve), only in VS 2-2
variable)
0 – 10 V
54
(feedback)
55 GND
56 +24 V (supply)
0 – 10 V
57
PV 1 overflow valve (motor ball
(correcting
valve)
variable)
0 – 10 V
58
(feedback)
7.5.3 Terminal plan, operating unit
1 RS-485 interface
2 RS-485 interface
3 I/O interface
4 Micro-SD card
5 10 V supply
Terminal
Signal
number
1 A
RS-485 interface
2 B
S1 networking
3 GND S1
4 A
RS-485 interface
5 B
S2 modules: Expansion or
communication module
6 GND S2
7 +5 V
8 R × D
I/O interface: Interface to the
main board
9 T × D
10 GND IO1
Function Wiring
Factory-
provided
Cable:
factory-
provided;
Sensor plug:
on-site
On-site,
optional
On-site,
optional
Factory-
provided
---
Factory-
provided
Factory-
provided
6 Analogue outputs for Pressure
and Level
7 Battery compartment
8 Anybus module slot
9 DIP switch 2
10 DIP switch 1
Function Wiring
On-site
On-site
Factory