AERMEC STA Manual Del Usuario página 10

MODBUS Electri-
cal connection
Through the door named "Field
Bus" application, WRL is able to
monitor several Modbus slave.
Remember to add at the end of a
line resistance of 120 ohms betwe-
en Tx + and Tx-.
J7
RX-/TX-
RX+/TX+
J8
GND
J9
J10 Vout
RX-/TX-
RX+/TX+
GND
J11
C1
NO1
J12 - group 1
NO2
NO3
C2
NO4
J13 - group 1
NO5
NO6
NO7
J14 - group 2 C3
NC7
C4
NO8
NO9
J15 - group 3
NO10
NO11
NO12
FOR ELECTRICAL CONNECTION
ALWAYS REFER TO WIRING ON UNIT
(INCLUDED).
STA_STH_ 4804200 _02
10
FIELD BUS
RX-/TX-
RX+/TX+
GND
Zona 2
Zona 2
STA/H
STA/H 1
Addr
ON 1 2 3 4 ON 1 2 3 4
Zona 3
3
Addr
Zona 3
ATTENTION:
To change the Modbus address (STA
/ H) press + FAN POWER for 3 secon-
ds. Enter the password 22 and change the
parameter "Addr".
Zona 1
Addr
Zona 2
4
Addr
Zona 3
1
Addr
2
5
Addr