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Adcon A725 addSDI, Руководство пользователя

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Adcon A725 addSDI Скачать руководство пользователя страница 32

CHAPTER 3

Performing Advanced Functions

30

E

XAMPLE

INFO

 

15535 INFO 0 84 13/12/2006 20:02:29 2.10 2 0 0 85 

59 0 3:52 42 65 72 12 60 1 0

 

#

RX

D

ESCRIPTION

Switches the unit to permanent receive mode (for tuning pur-
poses).

P

ARAMETERS

None.

R

ETURNS

Nothing.

R

EMARKS

The system stops, and exits the command only when a key is 
pressed. This command returns no message.

R

EMOTE

No.

E

XAMPLE

RX

 

15535 RX 0

 

#

TX

D

ESCRIPTION

Switches the unit to transmit mode (for tuning purposes).

P

ARAMETERS

None (sends an unmodulated carrier), 

1

 (sends a 1 kHz modulated 

carrier), 

0

 (sends a 2 kHz modulated carrier) or 

5

 (sends a mixed 1 

+ 2 kHz modulated carrier).

R

ETURNS

Nothing.

R

EMARKS

The system stops, and exits the command only when a key is 
pressed. This command returns no message. 

R

EMOTE

No.

E

XAMPLE

TX

 

15535 TX 0

 

#

TX 1

 

15535 TX 0

 

#

Содержание A725 addSDI

Страница 1: ...A725 addSDI User Manual SMART WIRELESS SOLUTIONS...

Страница 2: ...sing from the use of any information in this publica tion or any error or omission in such information or any incorrect use of the product Document Release 1 0 Dezember 2006 Copyright 2003 2006 by Adc...

Страница 3: ...nnector __________________________________________________ 15 SDI 12 Sensor Connections______________________________________________ 16 Self powered Sensor ___________________________________________...

Страница 4: ...CHAPTER 2...

Страница 5: ...e capable of operating SDI 12 compatible sensors The frequency of operation is in the 432 to 470 MHz range mak ing it compliant to most radio communication regulations in the world The output power is...

Страница 6: ...tuted for something specific as indicated in the expla nation Italics can also be used to emphasize words as words or letters as letters Bold Indicates special emphasis of the text Also indicates men...

Страница 7: ...metry Gateway A840 and Wireless Modem A440 User Guide Opening the packages The addSDI RTU package contains the A725 RTU an antenna and a pipe clamp If ordered the following items come in separate pack...

Страница 8: ...affected Installing the RTU The following restrictions apply In general the typical line of sight distance over which the RTU can communicate is 1 km 6 miles This is valid if both the RTU and its part...

Страница 9: ...f the unit connects to at least one station or a base station it will light up the LED for about 4 seconds b Keep observing the LED tool and after another several seconds the LED will blink one or mor...

Страница 10: ...configure the device in the software Serial number of each RTU Type and address of SDI 12 sensors connected to each RTU WARNING The SDI 12 sensor addresses must be set prior to attaching the sensors t...

Страница 11: ...e fully charged after two consecutive sunny days but you should get an LED light up after several minutes of charging in the sunlight Configuring an addSDI RTU in the addVANTAGE software To configure...

Страница 12: ...ent the battery loses its capacity noted in the software with repeated Battery low messages it must be replaced Make sure though that the problem is really due to the battery and not to a defective or...

Страница 13: ...so 1 Open the lid by unscrewing the four screws in the corners of the addSDI RTU then remove the lid as shown in Figure 3 Figure 3 Removing the addSDI Lid 2 The battery pack is connected to the electr...

Страница 14: ...vided together with your battery as rubber gaskets tend to stiffen and might not reseal properly Place the rounded side of the gasket into the groove and have the flat side showing 7 Insert the batter...

Страница 15: ...chitecture the unit may not communicate properly with the SDI 12 sensors and or with the remote measuring station or function with the addVANTAGE software WARNING Tampering with parameters for the add...

Страница 16: ...tery removed Communication over a serial connection with 19200 baud Figure 6 illustrates the connections available at the POWER con nector Figure 6 A725 POWER Connector Top View WARNING The serial lin...

Страница 17: ...the wiring as shown in Figure 9 Figure 9 A725 Connection with External Battery and Power Supply The SDI Connector The SDI connector is used to connect the addSWITCH A725 to an SDI 12 Sensor bus See F...

Страница 18: ...peak current draw upon start up This is of particular importance when connecting more than one sensor to the SDI 12 bus while one sensor might still operate flawlessly with your RTU two might draw too...

Страница 19: ...tion the RTU powers the SDI 12 sensor The sensor must be capable of working with a supply voltage as low as 5 6V WARNING Check the minimum supply voltage of your sensor BEFORE installing it This infor...

Страница 20: ...with identical addresses are connected to the same bus communication with these sensors is not possible Note The factory default address of most SDI 12 sensors is usually 0 Please use an appropriate...

Страница 21: ...the system follow these steps to configure the device and set the default parameters Note To configure the A725 RTU you must use the A720SC adapter cable mentioned above available from your Adcon deal...

Страница 22: ...s ID the node executes the command on a remote device if such an ID exists Not naming any ID implies that the command is addressed locally Note Not all the commands can be executed remotely Command is...

Страница 23: ...the command was successfully executed or not If this value is 0 the command was successfully executed If this value is other than 0 the command failed The number may further indicate the error type S...

Страница 24: ...12 12 1998 22 10 10 0 FREQ CAUTION Do not change the frequency of your device without reason apart from the fact that it might not communicate in the network anymore you might also violate the applica...

Страница 25: ...y set to 42 RETURNS The instant RSSI value and the programmed threshold REMARKS GET SET REMOTE No EXAMPLE RSSI 50 15535 RSSI 0 RSSI 15535 RSSI 34 50 0 Note The values of the RSSI threshold have no uni...

Страница 26: ...t for the A725 RTU The sensors firmware is responsible for calculations of avaraged values etc RETURNS The interval and rate REMARKS GET SET The default interval is 900 15 minutes and rate is 15 15 sa...

Страница 27: ...data of the local device RETURNS A data block Note The addSDI does not support analog sensors REMARKS GET only If the date time parameter is not included the latest data is returned If the date time p...

Страница 28: ...he digibyte is depicted in Figure 15 Figure 14 Frame 39 description Figure 15 The Digibyte The remote version is limited to a single frame An example of such a command is given below 9999 DATA 9999 13...

Страница 29: ...ult is the standard A D subsystem of the A725 ID 0 RETURNS A data block see also DATA on page 25 Note The analog inputs are disabled on the A725 REMARKS GET only The command needs a certain delay to e...

Страница 30: ...type slot sam ples po err_level The formats for the above parameters are as follows rf_in and rf_out as a decimal date as dd mm yyyy time as hh mm ss ver as x x clk stack and cop as decimal they repr...

Страница 31: ...ith the PMP command type is used to represent the device type the following types are currently assigned 0 for A730MD 1 for A720 2 for A730SD 3 for A720B 4 for A733 5 for A723 6 for A440 7 for A733GSM...

Страница 32: ...nd only when a key is pressed This command returns no message REMOTE No EXAMPLE RX 15535 RX 0 TX DESCRIPTION Switches the unit to transmit mode for tuning purposes PARAMETERS None sends an unmodulated...

Страница 33: ...ults will be listed A list of heard stations with their RF levels will be updated in the memory and will be available whenever the BLST command is issued EXAMPLE B 15535 B 0 234 BA 0 7851 BA 0 BLST DE...

Страница 34: ...ement method with M followed by a number default M0 or you can choose continuous measurement by choosing R followed by a number In addition you can set up to 24 bits in the value index map by adding a...

Страница 35: ...the command was issued without arguments the GET variant a A The presence of the SDI 12 BUS a absent A active w W Wait State of the system w not waiting W waiting for an SDI 12 sensor m M Measurement...

Страница 36: ...answer indicates 1 sensor found at address 0 method 0 and index mask is 0xfffff all 20 indices 0 19 Note Every 1 in the index mask binary corresponds to a selected index e g 0x3 corresponds to index 0...

Страница 37: ...the date hh mm ss is the time si is the size of the frame variable for the SDI frames ft is the frame type 60 rfin is the RFin RSSI value rfout is the RFout RSSI value db is the digibyte value batt is...

Страница 38: ...SDI available is the number of SDI 12 sensor values effectively returned The difference between the SDI count and SDI available indicates missing sensors down or damaged Usually these two values are...

Страница 39: ...his param eter is set to 30 seconds by default A larger value may lead to higher power consumption This should be used in cases an SDI 12 sensor needs large time values to return a sensor result If yo...

Страница 40: ...erform a command on a non existent device 11 device already exists 12 reserved 13 no more space for descriptors too many devices 14 no more records for the specified device 15 temporary communication...

Страница 41: ...CHAPTER 3 Returned errors list 39 36 receiver busy for example just executing a polling series 37 time stamp of a frame is too far in the future 38 general modem error...

Страница 42: ...art J Table 2 shows the main operational parameters of the A725 Table 2 Operational Parameters Parameter Min Typ Max Unit Common Supply 5 0 6 2 10 0 V Operating Temperature 30 70 C Relative Humidity 1...

Страница 43: ...r 25 kHz version 44 dBm Occupied Bandwidth 12 5 kHz version 8 5 kHz Occupied Bandwidth 25 kHz version 15 kHz Operating Current incl onboard microcontroller 50 mA SDI 12 Sensor Supply Voltaged 5 5 6 0...

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