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Wireless Sensor System: Sender

Wireless Sensor System Sender

/ Wireless Sensor System / Wireless Sender

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The Wireless Sender forms part of a Deeter Wireless Sensing System. It is always used with a Deeter Base Station, which acts as a coordinator for an IEEE 802.15.4 wireless network.

The sender has a number of sensing inputs and will transmit sensor data at regular intervals to the Base Station for conversion to drive process outputs. The sensor inputs are as follows:
1) Four discrete inputs from external switches, such as Deeter level sensor float switches or other voltage free contacts.
2) One analogue resistive input, such as a Deeter Resistive LVCS.
3) One 4 - 20mA current loop analogue input.

Wireless communication uses the internationally recognised IEEE 802.15.4 protocol in the 2.4GHz ISM radio band. Range can be up to 4km under ideal conditions in the USA. Greater distances can be attained with the use of a Deeter Wireless Router.

The Sender is housed in an ABS enclosure with an external antenna and cable glands for power and signal inputs. An optional 3m extension lead and bracket are available for mounting the antenna in a position more favourable to wireless communication.

The unit can be powered internally by a 3.6V Lithium Thionyl Chloride battery or externally by a 5VDC mains powered wall adaptor. The battery acts as a back-up when the external supply is interrupted.

If a 4-20mA current loop input is being monitored, a small amount of power is derived from this input to help extend battery life. Battery life for a battery-only powered Sender is greater than one year (based on a transmission interval of 10 seconds) transmission rates of 1 - 60 seconds are user configurable.


Radio Frequency

2.4 GHz ISM band

Analogue Inputs

Potentiometer type or 4- to-20mA current loop

Communications protocol

IEEE 802.15.4

Discrete Inputs

Four volt free contacts

Channel

11 to 26

Operating Temperature

-20°C to + 50°C

Transmit power

Model F01:P 18dBm

Enclosure

IP64

Antenna type

Half-wave dipole

Antenna

Fully weather proof

Antenna Gain

2.2dBi

Extension Cable (Optional)

3m

Receiver Sensitivity

-96dBm

External power supply (Note 2)

5V DC

Battery voltage

3.6V nominal

Dimensions (mm)

Height = 125
Depth = 55
Width = 85
Antenna Height = 88

Battery Size

AA

Battery Life expectancy

1 year

Battery Type

Lithium Thionyl Chloride

FCC part 15 compliant

Yes

Description

Ordering Code

Wireless Sender Model SU01

DE012-0127

Antenna extension cable and mounting kit

DE012-0123

Wireless pages
Deeter Wireless Sensors
- Wireless Sensor System: Base Station
- Wireless Sensor System: LVCS-RF
- Wireless Sensor System: Router
- Wireless Sensor System: Sender
- Wireless Sensor System: Multi-Channel Base Station

Wireless News Releases:
News Index page
- 006 Wireless Sensor System - Multi-Channel Base Station
- 005 Wireless Sensor System - Wireless Router
- 004 Wireless Sensor System - Introductory Article
- 003 Wireless Sensor System - Wireless Sender
- 002 Wireless Sensor System - Wireless Introduction
- 001 Wireless Sensor System - Wireless Sensor System