ATIM ARM-IOD-LP Manual de instalación - Página 2

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✔ If the antenna is fixed outside on a pole, it must be link to the ground. A surge protector must be installed between

the antenna and the ARM radio modem.

✔ Respect the norms, using recommended antenna cables to stay in the authorized emission limits (according to the

channel: 5mW, 25mW or 500mW).

1. DESCRIPTION

N°

2. INSTALLATION

2.1. Antenna

The ARM-IO is delivered with a small ¼ wave antenna. If you want better performance, you can use one of these antennas:

✔ ANT868-12FSC (Antenna ½ wave): this antenna can be directly mounting on the l'ARM-IO.

✔ ANT868-12S-L (Antenna ½ wave): no needs to metallic planfloor, it can be mounting directly on a polyester support of a

vehicle or above a PVC case.



For best results, we recommend to install the two antennas in line of sight and as high as possible.

2.2. Communication modes

L'ARM-IOD-works in 3 modes:

- Mirror mode

- Modbus slave

- Sensor mode(datalogging)

See the use manual for functioning

choice

Connection

GND

INP2

INP1

GND

The mirror mode allowed the report of contacts or

analogical values to a distant radio module, which can be

an ARM-D or an ARM-X. Then the radio module can

centralize the values from several distant ARM-IOD-LP.

Notice technique complète sur

FRQIG_ARM-IOD-LP

Page2/4

M12 connector pin out :

Input/output type

Input

www.atim.com

Designation

Masse

Logic input 2

Logic input 1

Masse

modbus

slave

configuration

registers

following functions are available:

- Reading logic input

- Reading/writing memorized input

- Reading voltage power supply

- Reading RSSI value

- Reading/writing rising edge and

falling edge (see use manual)

mode,

all

and