Publicité
Les langues disponibles
Les langues disponibles
G
Mounting and Installation
LED for
power supply
Supply
terminals
Bus address
Bus
parameters
(Baud rate,
data bits ...)
RS485
Bus
termination
BUS CONNECTION
The terminals A and B have different designations at the SAIA
A = ⁄ D
B = D
BUS TERMINATION
The bus termination feature is located at the bottom left.
The terminating resistor for bus termination is already built-in in the device
and can be activated via jumper as needed.
Busabschluss
Bus termination
offen
open
Bus-
Bus-
Busparameter
Busparameter
Busabschluss
adresse
adresse
(Baudrate,
(Baudrate,
geschlossen
BUS PROTOCOL
Datenbits,..)
Datenbits,..)
(aktiviert)
The position of DIP switches is at the centre.
The bus protocol can be selected at the left DIP switch (position 8).
ON
ON
ON
ON
1
1
8
8
1
1
DIP switches, left:
Bus protocol
DIP 1
DIP 2
DIP 3
x
x
x
x
x
x
– +
24V DC
RS485
A
B
Temperature / humidity sensor
Busabschluss
offen
Busabschluss
Bus termination
geschlossen
closed (activated)
(aktiviert)
8
8
DIP 4
DIP 5
DIP 6
DIP 7
x
x
x
x
x
x
x
x
H
T
Temperature sensor
®
S-Bus. These are to be allocated as follows:
DIP 8
Protocol
ON
SAIA
®
S-Bus
OFF
Modbus RTU
12
®
THERMASGARD
4277
Add-on port
for display LED
Temperature
Correction
± 5K
r.H.
Correction
±10%
Reset
Communi-
cation LED
(Rx/Tx)
Publicité
