User's Manual
Manuals
Brands
Ott Hydromet GmbH Business Unit Adcon Telemetry Manuals
Electronics
Telemetry transceiver
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Table Of Contents
Introduction
About the A740
Compliance Statement and Warnings
Conventions
Using the A740 RTU
Opening the packages
Installing the RTU
Installation
Installation in a Control Cabinet
Stand-alone Installation
Configuring an A740 addNODE RTU in the addVANTAGE software
Maintaining and servicing the RTU
The RTU’s battery
Changing the battery
Performing Advanced Functions
The RTU connectors
The POWER Connector
Serial Interface – RS-232
Analog Inputs
Analog Output
Digital Inputs
Digital Outputs
SDI-12 Interface
Expansion Port
The RTU’s Jumpers
Checking the RTU’s Status
Communicating with the RTU
Serial communication protocol
General format of a command
General format of an answer
Commands Accepted by the A740 addNODE
_
_
CMDS
TIME
FREQ
RSSI
ID
TYPE
OPMODE
PMP
FDEV
INFO
RX
TX
B
BLST
VER
MSTR
ROUTE
XCONF
XDATA
XIMME
Data Acquisition, Outputs and Operation Modes
Table commands
_
CALC
COMP
COND
LC
NPND
OC
PC
SWITCH
Commands for status display and diagnosing
_
CST
STAT
ESTAT
DUMP
PMSC
VERB
PS
Notifications
Returned errors list
_
_
Command line interpreter
Device descriptors and storage handler
Real time clock
Radio interface
Notifications
Data Acquisition
Output
Miscellaneous
Appendix
Specifications
Index
Specifications
Parameter Min
Typ
Max
Unit
(12,5kHz mode)
Adjacent Channel Power (25kHz
mode)
-44
dBm
Operating current(incl. On-board
microcontroller)
600
mA
Table. 2:
Operational Parameters
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