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PDF XE900S-500 Data sheet ( Hoja de datos )
| Número de pieza | XE900S-500 | |
| Descripción | Smart Spread Spectrum Transceiver | |
| Fabricantes | Xecom | |
| Logotipo |  |
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XE900S-500
June 2005
XE900S-500 Smart Spread Spectrum Transceiver
Description
The XE900S-500 combines a spread spectrum
transceiver and micro-controller in a single, easy-to-
use, FCC Part 15 Registered module. The embedded
communications controller manages the Frequency
Hopping Spread Spectrum (FHSS) link and the host
system interface.
The XE900S-500 supports two unique features to
simplify wireless networking. Count-Off™ allows the
network master to quickly retrieve the status of 125
remote nodes with a single broadcast command.
SensorOnAirTM eliminates the need for an application
controller by utilizing the communications controller to
directly manage analog inputs and digital control lines.
Xecom also offers a low power spread spectrum model,
the XE900SL10, for applications that require less range.
The XE900SL10 has an obstructed range of 300 feet but
is smaller, costs less and uses significantly less power.
Features
* Small Size: 1.295” by 1.410” by 0.255”
* Serial Control and Configuration of the Wireless Link.
* Supports a 254 node point-to-multipoint network
* Programmable Transmit Power Output 100 to 500 mW.
* Typical Receiver Sensitivity -100 dBm
* Obstructed signal range to 1000 feet;
* Wireless Data Rate 76.8K bps, half-duplex
* Low power Consumption
XE900S-500: 1000 mA@ 3.3 Volts; when transmitting
at 500 mW output power; less than 1 mA of current
flows in Sleep Mode or Power-Down modes
* SensorOnAirTM (patent pending) allows direct
connection of sensors to the Smart Transceiver
* Count-OffTM (patent pending) allows the host node to
download the status of all nodes in under 10 seconds.
* Operating Temperature Range of -40 to +85 C
* FCC Part 15 Registered
Antenna
XE900S-500 Block Diagram
SAW
FILTER
ROM
MUX
TRANSCEIVER
AMP
SAW
FILTER
COMM.
CONTROLLER
Serial I/F
Ana log
Inputs
Digital I/O
XECOM
(1) XE900S-500
1 page  
XE900S-500 PIN CONFIGURATION
GND
VCC
/TXD
1
2
3
XE900S-500
Top View
/RXD 4
/CTS 5
/RTS 6
DIO3 7
DIO2 8
DIO1 9
DIO0 10
ADC1 11
ADC0 12
SIGNAL PINS
DESCRIPTION
Ground
VCC
/TXD
/RXD
/CTS
/RTS
DIO3
DIO2
DIO1
DIO0
ADC1
ADC0
1 Common voltage reference for the XE900S-500.
2 3.3 Volt power for the XE900S-500.
3 Transmit Data is the data input to the XE900S-500
4 Received Data is the data output from the XE900S-500.
5 Clear to Send provides hardware flow control from the XE900S-500. The XE900S-500
drives /CTS high to signal the host to temporarily stop the flow of data on the /TXD.
6 Request to Send provides hardware flow control from the host system. The host system
drives /RTS high to signal the XE900S-500 to temporarily stop the flow of data on /RXD.
7 DIO3 may be programmed as either a digital input or digital output. It connects directly to
the communications controller in the XE900S-500.
8 DIO2 may be programmed as either a digital input or digital output. It connects directly to
the communications controller in the XE900S-500.
9 DIO1 may be programmed as either a digital input or digital output. It connects directly to
the communications controller in the XE900S-500.
10 DIO0 may be programmed as either a digital input or digital output. It connects directly to
the communications controller in the XE900S-500.
11 Analog Input 1 to the XE900S-500 communications controller. ADC1 connects to an
internal 12-bit Analog to Digital Convertor. ADC0 may also be configured as a digital
input if no analog inputs are required.
12 Analog Input 0 to the XE900S-500 communications controller. ADC0 connects to an
internal 12-bit Analog to Digital Convertor. ADC0 may also be configured as a digital
input if no analog inputs are required.
XECOM
(5) XE900S-500
5 Page 
AT COMMANDS
An asterisk indicates the factory default
A Answer Command - forces the smart transceiver
respond to a summons from another wireless device.
Dn Initiate a Wireless Link - attempts to establish a
connection with the transceiver at address n.
En Echo Characters - determines if the XE900S-500 will
echo the characters received on its serial interface during
command mode.
n=0 Characters not Echoed
n=1 Characters Echoed *
In Identification - displays product identification code.
n=0 Display Product Code
n=1 Display Product Name
n=2 Display Model Number
n=3 Display Copyright
n=4 Display Firmware Revision
Qn Result Code Display - determines if result codes will
be displayed.
n=0 Display Result Codes *
n=1 Do not Display Result Codes
Sn= Set Value of Register Sn
Sn? Read Value of Register Sn
Vn Response Type - selects Full Word or Numeric
responses
n=0 Numeric Responses
n=1 Full Word Responses *
Zn Reset - executes a soft Reset
n=0 Reset to Values Stored in User Profile 0 *.
n=1 Reset to Values Stored in User Profile 1
&F Restore Factory Settings - returns all configuration
commands and registers to their factory default values.
&IAn? Read Local Analog Input “n” - This command allows
the host equipment to read the values of the local analog
inputs.
n=0 Read input ADC0
n=1 Read input ADC1
&IDn? Read Local Digital Input “n” - This command allows
the host equipment to read the status of the local digital
inputs.
n=0 Read input DIO0
n=1 Read input DIO1
n=2 Read input DIO2
n=3 Read input DIO3
n=4 Read input DIO4 (pin shared with ADC0)
n=5 Read input DIO5 (pin shared with ADC1)
&IDn=z Set Local Digital Output “n” - This command
allows the host equipment to set the condition of the
local digital outputs. When z=0 the output is set to a
logic low; when z=1 the output is set to a logic high.
n=0 Set output DIO0
n=1 Set output DIO1
n=2 Set output DIO2
n=3 Set output DIO3
&Kn Flow Control - selects the type of flow control to be
used between the system host and the XE900S-500
n=0 Flow Control Disabled
n=3 RTS/CTS, hardware Flow Control
n=4 XON/XOFF, in-band Flow Control
&V View Active Configuration - sends the active
configuration data to the system host.
&Wn Store Current Configuration - loads the current
XE900S-500 configuration into either User Profile 0 or
User Profile 1.
n=0 load configuration into User Profile 0
n=1 load configuration into User Profile 1
#B Wireless Broadcast Mode - initiates wireless broadcast
mode for diagnostic purposes.
#C Count-Off Request (ASCII) - Initiates a “count-off’
sequence in the network with node status to be reported
in ASCII format.
#E: Count-Off Response (ASCII) - Programs the nodes 8
byte response to a “count-off’ request from the network
hub in ASCII format.
#E= Count-Off Response (Hex) - Programs the nodes 8
byte response to a “count-off’ request from the network
hub in hexadecimal format.
XECOM
(11) XE900S-500
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet XE900S-500.PDF ] | |
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