Industrial Shields PLC Arduino ARDBOX, User Manual

Page: 26 / 39

Ref. 006001001300 Rev. 0: 30-08-2019
10.
Hardware Serial RS-232 & RS-485 Configuration
10.1 Hardware Serial RS-485
Switch configuration:
Jumper configuration:
Having configured GPRS 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 active I0.0 & Q0.6 are disabled

SPI

TTL

USB
o
Inputs: 8 out of 10 inputs, I0.0, I0.1 and 10.4 to I0.9. If using I2C I0.0 is also disabled
o
Digital Outputs: All 10 outputs. If using I2C Q0.6 is disabled.
o
Analog Outputs: From A0.0 to A0.6. If using I2C A0.6 is disabled
In order to enable the Hardware Serial RS-485 the total configuration of the GPRS Ardbox
Relay HF will be:
LEFT ZONE
SWITCH MODE
DE-RS485 ON
D10/A0.2-Q0.2 OFF
RE-RS485 ON
D11/A0.1-Q0.1 OFF
SDA-D2/I0.0 -
SCL-D3/Q0.6 -
TOP ZONE
SWITCH MODE
I0.3 OFF
RS485 HS ON
I0.2 OFF
RS485 HS ON
JUMPER ZONE 1
LEFT RIGHT
RS-485 RS-485
D0 D1
- -
JUMPER ZONE 2
LEFT RIGHT
I0.2 I0.3
D4 D8
- -