Digi 9XCite-PKG Manuel télécharger pdf (Page 31)

9XCite‐PKG‐R™RS‐232/485RFModem–ProductManualv2.1[2007.01.04]

©2007MaxStream,Inc. 31

SM (Sleep Mode) Parameter

<Non-AT Settable Parameter: Sleep Mode (Low

Power)> SM Parameter is used to adjust Sleep

Mode settings. By default, Sleep Mode is disabled

and the radio modem remains continually active.

SM Parameter allows the radio modem to run in a

lower-power state and be configured in one of

eight settings.

Cyclic Sleep settings wake the radio modem after

the amount of time designated by SM Command.

If the radio modem detects a wake-up initializer

during the time it is awake, it will synchronize

with the transmitting radio modem and start

receiving data after the wake-up initializer runs

its duration. Otherwise, it returns to Sleep Mode

and continue to cycle in and out of sleep until the

wake-up initializer is detected. If a Cyclic Sleep

setting is chosen, the ST, LH and HT parameters

must also be set as described in the "Sleep Mode" section of this manual.

ST (Time before Sleep) Parameter

<Non-AT Settable Parameter: Sleep Mode (Low Power)> ST Parameter sets the period of time (in

tenths of seconds) in which the radio modem remains inactive before entering into Sleep Mode.

For example, if the ST Parameter is set to 0x64 ("100" decimal), the radio modem will enter into

Sleep Mode after 10 seconds of inactivity (no transmitting or receiving). This command can only

be used if either Cyclic Sleep or Serial Port Sleep Mode settings have been selected using SM

(Sleep Mode) Parameter.

Parameter Range: 0x10 - 0xFFFF [x 100 ms]

# of bytes returned: 2

Default Parameter Value: 0x64 ("100" decimal)

Related Parameters: SM (Sleep Mode), LH (Wake-up Initializer Timer), HT (Time before Wake-

up Initializer)

VR (Firmware Version) Command

<AT Command: AT Command Options> Reads and returns the currently loaded firmware version

of the XCite Radio Modem.

AT Command: VR

Parameter Range: 0 - 0xFFFF [Read-only]

# of bytes returned: 2

WR (Write) Command

<AT Command: (Special)> WR Command writes all configurable parameters to non-volatile mem-

ory. Using WR Command saves parameters to the radio modem's persistent memory. (This means

that the parameters remain in the radio modem's memory until explicitly overwritten by future

uses of WR Command.)

AT Command: WR

Parameter Ranges: 0 - 8

Parameter Configuration

0No Sleep

1 Pin Sleep

2 Serial Port Sleep

3 Cyclic 0.5 seconds

4 Cyclic 1.0 seconds

5 Cyclic 2.0 seconds

6 Cyclic 4.0 seconds

7 Cyclic 8.0 seconds

8 Cyclic 16.0 seconds

Default Parameter Value: 0

Number of bytes returned: 1

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 37 38 39

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Digi 9XCite-PKG Manuel Page 31

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