Data Sheet

Page
24
Cat. Nº: ABOX-104-001-71
10.2 Hardware Serial RS-485
In order to enable the Hardware Serial RS-485 the total configuration of the Ardbox Relay HF
will be:
Switch configuration:
Jumper configuration:
Having configured Ardbox Relay HF as it is shown above, these
are the features that are available:
o Available communication protocols:
 Hardware Serial RS-485.
 I2C *If I2C is actived R5 & I0.0 are disabled
 SPI
o Inputs: All 10 inputs except for input I0.4, I0.5 as they are disabled from the LEFT ZONE
switch. If using I2C I0.0 is disabled
o Relay Outputs: From R1 to R6. If using I2C R5 is disabled. R7 and R8 are disabled from
the TOP ZONE switch.
o Analog Outputs: A0.0 & A0.1 if RS-485 is working in Half Duplex. They are disabled if
using RS-485 Full Duplex, see the JUMPER ZONE 1 from above.
LEFT ZONE
SWITCH
MODE
NC
-
H/F
ON/OFF
SCL/R5
-
SDA/I0.0
-
RE-RS485
ON
I0.4
OFF
DE-RS485
ON
I0.5
OFF
TOP ZONE
SWITCH
MODE
DI - RS-485
ON
R8
OFF
DO - RS-485
ON
R7
OFF
JUMPER ZONE 1 HALF DUPLEX
LEFT
RIGHT
Y+
Z-
ENABLE
ENABLE
A0.0
A0.1
JUMPER ZONE 2
LEFT
RIGHT
I0.2
I0.3
D4
D8
NC
NC
JUMPER ZONE 3
UP
NC
D1
RS-232
DOWN
NC
D0
RS-232
JUMPER ZONE 1 FULL DUPLEX
LEFT
RIGHT
Y+
Z-
ENABLE
ENABLE
A0.0
A0.1