Operating instructions type-lines CXE/AVC (E)
Date 0917
TBL02_13-GB 0917
Art.-Nr. 00153342-GB
Seite 8 / 63
5.7 Digital inputs (D1 .. D5)
Various functions can be allocated to the digital inputs D1 ..D5
(
)
IO Setup: Functions summary of the digital inputs).
Activation via floating contacts (a low voltage of ca. 24 V DC is connected).
Never apply external voltage to the digital inputs!
5.8 Connection RS-485 interface for MODBUS
The device comes equipped via a RS-485 interface for networking via a MODBUS. The data connection lead is
connected to
D+, D-
and GND
.
The data connector spring-loaded contact is suitable for solid conductors of up to 0.5 mm
2
cross-section or 0.8 mm
diameter. The stripped lead makes contact by itself upon insertion. The orange colored latch only needs to be pushed in
the case of smaller cross-sections or when detaching the connections.
You must ensure correct connection; i.e. „
D+
“ must also be connected on the following devices to „
D+
“. The
same applies to „
D-
“.
In addition, a GND connection must be established, as dissimilar potential (
over 10 V!)
will lead to the
destruction of the RS-485 interface (e.g. lightning).
The data line must be conducted from one device into the next. To do this, two connectors are available in
each device. No other type of wiring is allowed.
Always use only two wires of one lead for the connection.
When using telephone flex with four cable cores, we recommend the following allocation:
“
D
+“ = red “
D
-“ = black “
GND
“ = white
Examples:
A maximum of 247 network users can be connected to the data bus .
6. Controls
6.1 Multipurpose LC display
1
Moon-Symbol for set point 2
2
Alarm-Symbol (fault indication)
3
Fire-Symbol (heating operation)
4
Antenna-Symbol (Remote-Control active)
5
STOP-Symbol (enable)
6
Bargraph (intern control output)
7
Text line 3 figures (display unit, etc.)
8
Text line 16 figures (display text menu.)
9
Numeric display 5 digit
A
P-key (program key, open menu)
B
arrow -down-key (Menu down, reduce value)
C
arrow-up-key (Menu up, increase value)
D
ESC-key combination (
↑
+
↓
)
Escape, leave menu
)
Unicon
MODBUS
Unicon
MO DBU S
C
D
A
B
1
2
3
4
5
6
7
8
9