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T24-AO1 - Wireless Analogue Output Module

Image T24-AO1

The Wireless Analogue Output Modules provide a configurable analog output for a single T24 radio telemetry acquisition module. The output can be selected from the pre-calibrated voltage and current ranges of 0-10Volts, ±10Volts, 0-5Volts, ±5Volts, 0-20mA and 4-20mA (All current outputs both sink and source).

The LED indictors on the T24-AO1 provide status indication of the condition of the radio link, remote battery life and remote sensor status.

These Wireless Analogue Output Modules are configured and scaled using free T24 Toolkit software which runs on a PC connected to a T24 base station.

The T24-AO1 industrial version (T24-AO1i) is housed in an IP67 sealed enclosure and offers a digital input allows for zeroing of the incoming data value. This version also offers extended range over the desktop version.

The license free 2.4GHz direct sequence spread spectrum (DSSS) radio technology offers high integrity, error free communications which can co-exist with other wireless technologies such as Wi-Fi, Bluetooth® and Zigbee®. FCC, ETSI and IC approvals.


Technical Specifications

T24-AO1

General Radio

Parameter Min Typical Max Units
Licence   Licence Exempt    
Modulation Method   MS (QPSK)    
Radio Type   Transceiver (2 way)    
Data Type   250   K bits/sec
Radio Frequency 2.4000   2.4835 GHz
Power   1   mW
T24-AO1     20 (65) Metres (feet) *
T24-AO1i     800 (2600) Metres (feet) *
Channels (DSSS)   16    

* Maximum range achieved in open field site with the T24 module at a height of 3 metres (9.8 feet) above ground.

T24-AO1 | T24-AO1i

Parameter Min Typical Max Units Notes
IP Rating : T24-AO1   IP50      
IP Rating : T24-AO1i   IP67      
Humidity 0 - 95 %RH  
External Supply Voltage Range  9  12  36  Volts  
Operating Current  -  85  150  mA  
Operating Temperature Range  -40  -  85  Deg C  
Storage Temperature Range  -40  - 85  Deg C  
Reverse Polarity Protection  -  -  -36  Volts  Max supply level
Digital Output Drive Voltage      30  Volts  
Digital Output Drive Current      20  mA  
Digital Input Load Impedance      100  Ohms  
Voltage Output          
 Resolution  -  16   Bits   
Output Gain Stability - 0.008 0.015 ±%FS/°C  
Output Zero Stability (1hr) - 0.006 0.015 ±%FS/°C  
Long Term Stability (10k hrs) - 0.003 0.01 ±% FS  
Residule Ripple - 40   mV p-p  
Linearity 500     Ohms  
Bandwidth (-3dB)   TBD   Hz  
Current Output          
Resolution - 16   Bits  
4-20mA Output Gain Stability - 0.0060 0.0120 ±%FS/°C  
4-20mA Output Zero Stability - 0.005 0.0100 ±%FS/°C  
Short Term Stability (1hr) - 0.006 0.018 ±%FS  
Long term Stability (10k hrs) - 0.06 0.2 ±%FS  
Residule Ripple   0.032   mA p-p  
Settling Time to ±0.5uA (thermal effects) - 5 - secs  
Maximum Load Impedance     500 Ohms  
Linearity - 0.01 0.02 ±%FS  
Bandwidth (-3dB)   TBA   Hz  

Order Info

T24-AO1 Code
Desktop Analogue Output Module T24-AO1
Industrial Analogue Output Module T24-AO1i