Installation
32 — English
Reflexomat with Touch controller — 06.07.2016 - Rev. B
6.5.2
Terminal plan, operating unit
1
RS-485 interfaces
6
Analogue outputs for Pressure and Level
2
I/O interface
7
Battery compartment
3
I/O interface (reserve)
8
Supply voltage, bus modules
4
SD card
9
RS-485 connection
5
10 V supply
10
RS-485 connection
Terminal
number
Signal
Function
Wiring
1
A
RS-485 interface
S1 networking
User supplied
2
B
3
GND S1
4
A
RS-485 interface
S2 modules: Expansion or communication module
User supplied
5
B
6
GND S2
18
Y2PE (shield)
Analogue outputs: Pressure and Level
Standard 4 – 20 mA
User supplied
19
Pressure
20
GNDA
21
Level
22
GNDA
7
+5 V
I/O interface: Interface to the main circuit board
Factory
8
R × D
9
T × D
10
GND IO1
11
+5 V
I/O interface: Interface to the main circuit board
(reserve)
---
12
R × D
13
T × D
14
GND IO2
15
10 V~
10 V supply
Factory
16
17
FE
