Dataradio T-96h User manual

T-96H

Radio Modem

Technical Manual

version 0.01

PRELIMINARY

The entire contents of this manual and the Radio Service Software

August 1998

part no.: 120 10504-001

Table of Contents

1. PRODUCT OVERVIEW................................................................................................................................... 1

1.1 INTENDED AUDIENCE ....................................................................................................................................... 1

1.2 INTRODUCTION ................................................................................................................................................. 1

1.3 GENERAL DESCRIPTION .................................................................................................................................... 1

1.4 PHYSICAL DESCRIPTION.................................................................................................................................... 1

1.5 CONFIGURATION ............................................................................................................................................... 1

1.6 CATALOG NUMBERS ......................................................................................................................................... 2

1.7 FACTORY TECHNICAL SUPPORT........................................................................................................................ 2

1.8 PRODUCT WARRANTY ...................................................................................................................................... 2

1.9 REPLACEMENT PARTS....................................................................................................................................... 2

1.9.1 Factory Repair ........................................................................................................................................ 2

1.10 DIAGNOSTICS AND REMOTE COMMANDS ..................................................................................................... 3

1.10.1 Addressing .......................................................................................................................................... 3

1.10.2 Online Diagnostics ............................................................................................................................. 3

1.10.3 Offline Diagnostics ............................................................................................................................. 4

1.10.4 Remote Commands ............................................................................................................................. 4

1.11 NETWORK CONFIGURATION.......................................................................................................................... 4

1.11.1 Basic Network ..................................................................................................................................... 4

1.11.2 Network Using T-Base ........................................................................................................................ 5

1.11.3 Network Using T-Base Repeater......................................................................................................... 5

1.11.4 Network Using T-96H for Online Diagnostics.................................................................................... 6

2. FEATURES AND OPERATION ...................................................................................................................... 7

1.1 OVERVIEW........................................................................................................................................................ 7

2.1 INTENDED AUDIENCE ....................................................................................................................................... 7

2.2 FRONT PANEL ................................................................................................................................................... 7

2.2.1 LED Indicators........................................................................................................................................ 7

2.3 DTE PORT INTERFACE ..................................................................................................................................... 7

2.3.1 RS-232 Inteface Signal Levels................................................................................................................. 7

2.3.2 Interface Port .......................................................................................................................................... 8

2.3.3 Interface Signal Description ................................................................................................................... 8

2.4 CHANNEL SELECTION ....................................................................................................................................... 9

2.5 OPERATION ....................................................................................................................................................... 9

2.5.1 RTS/CTS Timing.................................................................................................................................... 10

2.5.2 XTAL mode............................................................................................................................................ 10

2.5.3 Extended Turnoff................................................................................................................................... 10

3. ADJUSTMENTS AND MAINTENANCE ..................................................................................................... 11

1.1 OVERVIEW...................................................................................................................................................... 11

3.1 INTENDED AUDIENCE ..................................................................................................................................... 11

3.2 EQUIPMENT REQUIRED ................................................................................................................................... 11

3.3 MAINTENANCE INTERVALS ............................................................................................................................. 11

3.4 T96H ADJUSTMENTS ...................................................................................................................................... 11

3.4.1 Preliminary Verification ....................................................................................................................... 11

3.4.2 Basic Adjustments ................................................................................................................................. 11

3.4.3 Tests & ajustments................................................................................................................................. 11

3.4.4 Opening the Unit................................................................................................................................... 14

3.4.5 Location of Adjustments and Test Points .............................................................................................. 14

3.4.5.1 All Models, Logic PCB.................................................................................................................................14

4. LOADER/MODEM BOARD CIRCUIT DESCRIPTION............................................................................ 14

4.1 GENERAL..................................................................................................................................................... 14

4.2 TRANSMIT DATA....................................................................................................................................... 14

4.3 RECEIVE DATA........................................................................................................................................... 15

4.4 SYNTHESIZER PROGRAMMING.............................................................................................................. 15

4.5 POWER SUPPLIES ...................................................................................................................................... 15

4.6 MISCELLANEOUS FUNCTIONS ............................................................................................................... 15

5. SPECIFICATIONS .......................................................................................................................................... 17

INDEX........................................................................................................................................................................ 19

FIGURE 1 - BASIC NETWORK.......................................................................................................................................... 4

FIGURE 2 - NETWORK USING T-BASE ............................................................................................................................ 5

FIGURE 3 - USING A T-BASE REPEATER......................................................................................................................... 5

FIGURE 4 - NETWORK WITH MONITORING SITE .............................................................................................................. 6

FIGURE 5 - DATA I/O CONNECTOR PINOUT ................................................................................................................... 7

FIGURE 6 - DIP SWITCH LOCATION ................................................................................................................................9

FIGURE 7 - LOGIC BOARD ADJUSTMENTS AND TEST POINTS ....................................................................................... 14

TABLE 1 - RS-232 SIGNAL LEVELS .................................................................................................................................. 7

TABLE 2 - CHANNEL SELECTION.................................................................................................................................... 9

TABLE 3 - RTS / CTS DELAYS .................................................................................................................................... 10

TABLE 4 - EXTENDED TURNOFF DELAYS..................................................................................................................... 10

TABLE 5: TESTS AND ADJUSTMENTS FULL CHANNEL UNITS (25 KHZ & 30 KHZ MODELS)........................................ 12

TABLE 6: TESTS AND ADJUSTMENTS HALF CHANNEL UNITS (12.5 KHZ & 15 KHZ MODELS)..................................... 13

iii

What's New in Version 0.01

•First version of the T-96H technical manual based on the latest T-

96S technical manual ver 2.01.

History

Version 0.01:

•Preliminary version.

Definitions

The following terms are used throughout this document.

Item Definition

Bit dribble Extraneous bits delivered at the end of a data transmission. Equivalent to a

“squelch tail” in voice systems.

DCE Data Communications Equipment. This designation defines the direction (input

or output) of the various RS-232C interface signals. Modems are always wired as

DCE. See also DTE.

DTE Data Terminal Equipment. This designation defines the direction (input or out-

put) of the various RS-232C interface signals. Most telemetry and SCADA

equipment, as well as PCs, are wired as DTE. See also DCE.

HDX Half Duplex. A unit which uses separate transmit and receive frequencies, but

which may not transmit and receive simultaneously.

OFLNDIAG Offline Diagnostics software. This software allows local (T-96S only) and re-

mote diagnostics (T-96S and RNET 9600S).

ONDMON Online Diagnostics Monitor software. This software allows online diagnostics

monitoring of T-96S/DL3276 and RNET 9600S.

PLC Programmable Logic Controller. An intelligent device that can make decisions,

gather and report information, and control other devices.

RS-232 Industry–standard interface for low speed data transfer (EIA-RS-232E).

RSS Radio Service Software. This software allows configuration and testing of the

T-96S (T96RSS).

RTS Request To Send. An RS-232C signal used by most SCADA equipment to initi-

ate a data transmission.

RTU Remote Terminal Unit. A SCADA device used to gather information or control

other devices.

SCADA Supervisory Control And Data Acquisition. A general term referring to systems

that gather data and/or perform control operations.

Simplex A unit which uses the same frequency for transmit and receive.

Transparent A transparent unit transmits all data without regard to special characters, etc.

T-96S The DATARADIO T-96S Telemetry Radiomodem. The T-Base is made up of 2 or

3 modified T-96S units.

DL-3276 The Johnson Data Telemetry (JDT) version of the T96S.

T-96H Enhence version of the T-96S capable of 19200 b/s in full channel radio and

9600 b/s in half channel radio models.

120 10503-201 PRELIMINARY T-96S Technical Manual

1. PRODUCT OVERVIEW

This document provides the information

required for the selection, installation, op-

eration and maintenance of the DATARADIO

T-96H radiomodem.

1.1 Intended Audience

This document is designed for use by engi-

neering design, installation, and mainte-

nance personnel.

1.2 Introduction

This chapter provides the information nec-

essary to identify and assess the capabilities

of the T-96H. Connection and operation are

also described.

1.3 General Description

The T-96H is a transparent real-time radio-

modem designed primarily for SCADA and

telemetry use. The T-96H is available in

different versions according to radio fre-

quency. Common features to all versions

include:

•Data speeds of 4800 to 19200 b/s

(9600 b/s maximum in half channels)

using standard RS-232 interface.

•Built–in 8 channel synthesized radio

transceiver for VHF, UHF and

900 MHz.

•Power output of 1W to 5W (software

controlled).

•Half duplex or simplex operation.

•Transmit switching via RTS.

•On-line diagnostics monitoring

•Offline local and remote diagnostics.

•Compatible with DATARADIO T-Base

for base station or repeater use.

•Compatible with any

DATARADIO

Interoperability Standard (DIOS)

equipment for data rate up to 9600 b/s.

1.4 Physical Description

The T-96H consists of a logic PCB (which

includes the modem circuitry) and a sepa-

rate radio module. The two boards plug di-

rectly together and slide into the rails of an

extruded aluminum case. The front panel

includes the DE-15 data connector and a

SMA antenna connector, as well as three

LED indicators. Power connections are

made through the DE-15 data connector.

The unit is not hermetically sealed and

should be mounted in a suitable enclosure

where dust and/or a corrosive atmosphere

are anticipated. There are no external

switches or adjustments. Operating pa-

rameters are set using software.

Channel selection may be done using an

internal DIP switch, by strapping the appro-

priate pins on the DE-15 data connector, or

by selecting the desired channel using the

T96HRSS or the OFLNDIAG.

1.5 Configuration

Operating characteristics of the T-96H are

configured by means of Radio Service Soft-

ware (T96HRSS - p/n 085 03250-xxx)

available from your sales representative.

Also available is the Offline Diagnostics

software (OFLNDIAG) and the Online Di-

agnostics Monitor (ONDMON) which give

access to offline diagnostics & commands

(local and remote) and online diagnostics

monitoring with or without a T-Base. Both

programs are MSDOS based and will run on

any 486 or higher PC (2 Megabytes memory

required).

The T-96H requires the use of the

T96HRSS for both configuration and ad-

justment.

NTEROPER AB ILITY

120 10503-201 PRELIMINARY T-96S Technical Manual

1.6 Catalog Numbers

A T-96H may be identified from its catalog

number.

CATALOG NUMBERS

Format is TH[radio][band][channel spacing]0

radio

22 VHF

12 UHF

92 900

band (frequencies in MHz)

1380 - 403

2403 - 419

3419 - 435

4132 – 150 435 - 451

5150 – 174 450 - 470 928 - 960

6464 - 480

7480 - 496

8496 - 512

channel spacing (frequencies in MHz)

115.0 12.5 12.5

330.0 25.0 25.0

For example, a TH12530 is a UHF, 450-470 MHz unit with

25 kHz channel spacing.

1.7 Factory Technical

Support

The Technical Support departments of

DATARADIO and Johnson Data Telemetry

(JDT) provide customer assistance on tech-

nical problems and serve as an interface

with factory repair facilities. They can be

reached in the following ways:

DATARADIO Inc.

5500 Royalmount Ave, suite 200

Town of Mount Royal

Quebec, Canada H4P 1H7

Technical support hours: Monday to Friday

9:00 AM to 5:00 PM, Eastern Time,.

phone: +1 514 737-0020

fax: +1 514 737-7883

Email address: support@dataradio.com

Johnson Data Telemetry Corp.

Customer Service Department

299 Johnson Avenue, P.O. Box 1733

Waseca, MN 56093-0833

Technical support hours: Monday to Friday

9:00 AM to 5:00 PM, Central Time,.

phone: 800 992-7774 and

+1 507 835-6911

fax: 507 835-6969

Email address: [email protected]

1.8 Product Warranty

Warranty information may be obtained by

contacting your sales representative.

1.9 Replacement Parts

This product is normally not field service-

able, except by the replacement of complete

units. Specialized equipment and training is

required to repair logic boards and radio

modules.

Contact Technical Support for service in-

formation before returning equipment. A

Technical Support representative may sug-

gest a solution eliminating the need to return

equipment.

1.9.1 Factory Repair

When returning equipment for repair, you

must request an RMA (Returned Material

Authorization) number. The Tech Support

representative will ask you several questions

to clearly identify the problem. Please give

the representative the name of a contact per-

son who is familiar with the problem,

should questions arise during servicing of

the unit.

Customers are responsible for shipping

charges for returned units. Units in warranty

will be repaired free of charge unless there

is evidence of abuse or damage beyond the

terms of the warranty. Units out of warranty

will be subject to service charges. Informa-

tion about these charges is available from

Technical Support.

120 10503-201 PRELIMINARY T-96S Technical Manual

1.10 Diagnostics and

Remote Commands

Diagnostics and remote commands are

processed using the T96H Offline Diagnos-

tics software (OFLNDIAG). Diagnostics

can be monitored using the T96H Online

Diagnostics Monitor program (ONDMON).

The T-96H has the following diagnostic and

command features:

Online diagnostics. Information is auto-

matically sent by each unit at the begin-

ning of every transmission. May be dis-

abled for back compatibility with

DATARADIO T-Modem 96 or Motorola

RNET 9600.

Offline diagnostics. Information is sent by a

specific unit in response to an inquiry

by the master or monitoring station.

Remote commands. Commands may be sent

by the master or monitoring station to

any specific remote unit.

1.10.1 Addressing

Each T-96H has addressing capability which

is used for diagnostics and remote com-

mands only. Two addresses are used:

ID Number: This value (maximum 1023) is

assigned at the factory but may be modi-

fied using the T96RSS. The ID Number

is used to uniquely identify the T-96H

for remote commands and offline diag-

nostics. The ID Number may have val-

ues within the range of 1 to 99,999,999

but multiples of 1024 should not be

used.

Short ID: This value is the low order 10 bits

of the ID Number. It is used to identify

online diagnostics only. It may not be

modified directly using the T96HRSS; it

is always derived from the ID Number.

All units within a network should have

unique Short ID numbers to avoid am-

biguity in Online Diagnostics reports.

Either the T96HRSS or OFLNDIAG may be

used to check the value of the Short ID.

When setting up a network, we recommend

checking each unit to make sure that there is

no duplication of Short ID numbers. Dupli-

cations may be resolved by changing the ID

Number.

If ID Numbers are set so that their value is

within the range of 1 to 1023, the ID Num-

ber and the Short ID will always have the

same value. Customers may find this to be a

convenience.

1.10.2 Online Diagnostics

Online diagnostics (statistics) require the

use of a network configuration such as that

specified in section 1.11.2. or 1.11.4 Online

diagnostics do not interfere with normal

network operation. The following informa-

tion is gathered:

•Supply voltage

•Internal temperature

•Forward and reverse power in watts

(T96S models only)

•Received signal strength in dBm

Each T-96H can accumulate these statistics

for the last 15 stations heard. The accumu-

lated values may be displayed using the

OFLNDIAG or dynamically monitored by

the Online Diagnostics Monitor program

(ONDMON).

120 10503-201 PRELIMINARY T-96S Technical Manual

1.10.3 Offline Diagnostics

Offline diagnostics are statistics returned in

response to a specific request to a particular

station. The use of this feature requires that

network operation temporarily be sus-

pended.

The following information may be gathered

and displayed via the OFLNDIAG:

•Supply voltage

•Analog supply voltage

•Internal temperature

•Received signal strength in dBm

•Forward and relected power in watts

(T96S models only)

1.10.4 Remote Commands

The following commands may be sent re-

motely (using the OFLNDIAG).

•Begin test transmission (several types

available).

•Get statistics (diagnostics).

•Sample network statistics (monitoring

online diagnostics).

•Get parameters (configuration) from

remote unit.

Sending remote commands and receiving

responses is done with the host application

offline.

1.11 Network Configuration

The T-96H is designed to replace wire lines in SCADA, telemetry and control applications. The

RS-232 serial port allows direct connection to PLCs (Programmable Logic Controllers) or RTUs

(Remote Terminal Units). Several network configurations are described in the sections that fol-

low.

1.11.1 Basic Network

This configuration has the following characteristics:

•Master station may be half duplex or

simplex.

•Online diagnostics are not available in

real time.

•Remote and local diagnostics, accumu-

lated online diagnostics and control are

available by disconnecting the master

PLC and substituting a PC running the

T96H Offline Diagnostics software

(OFLNDIAG).





PLC

Master

PLC T96H

T96H

PLC

Figure 1 - Basic Network

120 10503-201 PRELIMINARY T-96S Technical Manual

1.11.2 Network Using T-Base

This configuration has the following characteristics:

•Master station may be full duplex (du-

plexer required), half duplex or simplex.

•Online diagnostics are available using

the Online Diagnostics Monitor pro-

gram (ONDMON) without disrupting

network activity.

•Remote and local diagnostics, statistics

and control are available using the T-

96H OFLNDIAG.

•The T-Base provides output of online

diagnostic information which could be

processed by the T-96H ONDMON

program or by a user-supplied network

management program. Contact your

sales representative for further informa-

tion.

1.11.3 Network Using T-Base Repeater

This configuration has the following characteristics:

•Master station and all remotes must be

half duplex.

•Any of the network types described in

sections 1.11.1, 1.11.2 or 1.11.4 may be

used with a T-Base repeater.

•The RTS/CTS delays for each T-96H in

the system must be extended as shown

in section 2.5.1





PLC

Master

PLC

T96H

T-Base

PC for online

diagnostics PLC

Figure 2 - Network Using T-Base

PLC

Master

PLC

T96H

T-Base

repeater

duplexer



Figure 3 - Using a T-Base Repeater

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