Austdac SILBUS-RX4A Manuel utilisateur

Title

4 CHANNEL ANALOGUE

RECEIVER

TYPE SILBUS-RX4A

USER MANUAL

Document Number

120-208-12

Issue

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REVISION CONTROL

04 Amend section 6.1 and table 3 2017.11.23 PC PC JY

03 Address and Logo Update 2017.04.07 CW CW PC

02 Fix specs, add prog info 2010.02.02 PB’ PB’ JY

01 Original 2009.02.10 PB’ PB’ JY

Issue Details Date Written Designed Approved

Austdac Pty Ltd

Unit 1 / 42 Carrington Road

Castle Hill NSW 2154

Australia

PO Box 6486

Baulkham Hills Business Centre

NSW 2153

Australia

Phone: + 61 2 8851 5000

Fax: + 61 2 8851 5001

Website: www.austdac.com.au

455 Lowries Run Rd,

Pittsburgh, PA 15237

USA

Phone: +1 888 254 9155

Fax: +1 412 635 0179

This document remains the property of Austdac Pty. Ltd. It is subject to its recall and must not be

reproduced in part or whole or its contents divulged to third parties without prior written approval

from Austdac Pty Ltd.

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TABLE OF CONTENTS

REVISION CONTROL....................................................................................................................2

TABLE OF CONTENTS..................................................................................................................3

PHOTOGRAPHS............................................................................................................................4

TABLES..........................................................................................................................................4

FIGURES........................................................................................................................................4

1 GENERAL DESCRIPTION ..........................................................................................................5

2 FRONT PANEL LAYOUT.............................................................................................................5

3 THEORY OF OPERATION..........................................................................................................6

4 OPERATING INSTRUCTIONS ....................................................................................................8

5 CONFIGURATION.......................................................................................................................9

5.1 CONSOLE PORT OPERATION............................................................................................9

5.2 HELP COMMAND...............................................................................................................10

5.3 REPEAT COMMAND..........................................................................................................10

5.4 VERSION COMMAND........................................................................................................11

5.5 STACK COMMAND ............................................................................................................12

5.6 SILBUS MAP COMMAND...................................................................................................12

5.7 SILBUS STATUS COMMAND.............................................................................................12

5.8 SILBUS GET COMMAND...................................................................................................13

5.9 ANALOGUE OUTPUT ADDRESS COMMAND...................................................................13

5.10 FAULT ADDRESS COMMAND.........................................................................................14

5.11 FAULT LEVEL COMMAND...............................................................................................15

5.12 fault hysteresis command..................................................................................................15

5.13 analogue SELECT command............................................................................................16

5.14 analogue output command................................................................................................17

5.15 fastlink marker command..................................................................................................17

6 TERMINATIONS AND CONNECTIONS ....................................................................................18

6.1 ANALOGUE OUTPUT PORTS ...........................................................................................19

6.2 POWER INPUT PORT........................................................................................................19

6.3 SILBUS NETWORK PORT .................................................................................................19

7 CERTIFICATION .......................................................................................................................20

7.1 INSTALLATION CONFIGURATION 1.................................................................................21

7.2 INSTALLATION CONFIGURATION 2.................................................................................22

8 SOFTWARE REVISION AND DISPLAY ....................................................................................23

9 SPECIFICATIONS.....................................................................................................................24

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PHOTOGRAPHS

Photograph 1 SILBUS-RX4A front panel.........................................................................................5

Photograph 2 Access to console port and programming switch ......................................................6

Photograph 3 Laptop connected to console port via MEAN1 interface............................................9

TABLES

Table 1 Status LED flash sequence meanings................................................................................8

Table 2 SILBUS-RX4A Configuration record.................................................................................18

Table 3 Analogue output termination details .................................................................................19

Table 4 Power input port termination details .................................................................................19

Table 5 SILBUS network port termination details..........................................................................19

Table 6 Installation configuration 1 entity parameters ...................................................................21

Table 7 Installation configuration 2 entity parameters ...................................................................23

Table 8 SILBUS-RX4A Software revision history ..........................................................................23

FIGURES

Figure 1 SIBUS-RX4A Connection diagram..................................................................................18

Figure 2 SILBUS-RX4A segregation and isolation levels ..............................................................20

Figure 3 Installation configuration 1 ..............................................................................................21

Figure 4 Installation configuration 2 ..............................................................................................22

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1 GENERAL DESCRIPTION

The four channel analogue receiver is part of a family of explosion protected DIN rail

mounting modules that transmit to and receive from an Austdac SILBUS field bus network.

The SILBUS-RX4A can receive up to four analogue signals on four independent valid

SILBUS channels.

The four analogue outputs are galvanically isolated from the SILBUS network port. This

isolation allows the SILBUS-RX4A to provide many simple and highly effective solutions

when used in installations involving intrinsically safe and non-intrinsically safe circuits.

The receiver is housed within a DIN rail mounting enclosure measuring 100mm (W) x

75mm (H) x 110mm (D). The front panel is located between the two top of enclosure

mounted terminal blocks to provide a clear view of the operation indicating LED’s. Two

LED’s are provided to show power and SILBUS network status.

The SILBUS-RX4A can be quickly and simply configured using a laptop computer running

Hyper Terminal and a small plug in programming adaptor. Each analogue output can be

independently programmed to any SILBUS channel address. Each analogue output can

also have it’s under range, hysteresis, digital fault channels and transmission protocol

configured by the user.

2 FRONT PANEL LAYOUT

The four channel analogue receiver front panel is located between the terminal blocks that

form part of the enclosure. The front panel is shown in photograph 1 below.

Photograph 1 SILBUS-RX4A front panel

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Located in the top right hand corner of the front panel are the STATUS and POWER

indication LED’s. The green power LED is illuminated whenever a 12 volt supply is

connected to the receiver. The orange status LED flashes at different rates to indicate the

operational status of the receiver, see table 2 for more details.

The front panel can be snapped out and removed by using a wide bladed flat screw driver

to gain access to the configuration (console) port and programming switch. Photograph 2

below shows the front panel removed and the location of the console port and programming

switch.

Photograph 2 Access to console port and programming switch

The black four pin console port connector and the red programming switch are located

behind the lower right corner of the front panel label.

3 THEORY OF OPERATION

The four channel analogue receiver receives four valid ANALINK or FASTLINK analogue

channels and outputs them as a 4-20mA or 0-20mA signal. Each analogue channel is

converted from a sixteen bit (Fastlink) or eight bit (Analink) value into a 0-20mA or 4-20mA

signal at the output terminals. The transmission protocol can be independently selected for

each analogue output. See Austdac document 120-009-10 for a more detailed description

of SILBUS communications.

The analogue output circuit is monitored for open circuit or loss of compliance and if one of

these conditions should occur a fault condition is generated. This fault can be transmitted

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as a digital signal on any valid configurable SILBUS channel address. Compliance is when

the SILBUS-RX4A can generate sufficient voltage to force the required signal current into

the connected load. Loss of compliance can occur when the input resistance of the load

and the signal cable resistance are too high for the required output signal current or when

the SILBUS-RX4A power supply voltage is reduced because of resistance in the power

supply cable. The following formula calculates the maximum load resistance given the

SILBUS-RX4A power supply voltage.

RL(MAX) = (Ui – 3.8) / 0.02

Where RLis the maximum load resistance and Uiis the voltage at the power supply

terminals of the Analogue receiver.

It is important that all installations be checked for output signal compliance using the above

formula to ensure correct functionality. Assuming a power supply voltage of 12.6 volts the

maximum RLis 440Ω. If the power supply voltage is at the operating minimum of 7.5 volts

the maximum RL is 185Ω. If the analogue receiver is at the end of long power supply

cables then the power supply voltage will alter as a function of cable resistance and

influence the compliance of the SILBUS-RX4A.

Should the analogue receiver receive an ANALINK or FASTLINK message that indicates

that the analogue transmitter sending the message has detected an out of range input i.e.

less than 4mA, then the SILBUS-RX4A will output less than 4mA as well, to indicate to the

final monitoring equipment e.g. PLC that the entire signal path from the sensor has a fault

that should be rectified.

Should the analogue receiver loose SILBUS communications with an analogue transmitter

or source device transmitting using the FASTLINK protocol or if the FASTLINK marker fails

or if FASTLINK CRC errors occur, then the SILBUS-RX4A can be configured to carry out

one of the following actions using the FSTFLT command;

•Leave the analogue output at the last correctly received value until communications

are re-established or,

•Drive the analogue output(s) to zero (0mA) to indicate an open faulty loop or,

•Drive the analogue output(s) to full scale (20mA).

Should the SILBUS be experiencing CRC errors due to noise interference then the FSTFLT

command can be used to configure the number of consecutive CRC errors that must be

received before the failsafe action is implemented. The failsafe action can be individually

configured for the four analogue output channels. The selection of failsafe modes is not

available when the ANALINK protocol is selected.

A common alarm or quality digital output can be configured to transmit on any valid SILBUS

address whenever something is wrong with an ANALINK or FASTLINK received message.

Whenever the FASTLINK protocol is selected a FASTLINK marker channel or SILBUS

channel must be specified. The FASTLINK marker is generated by the Dual Port Channel

Generator type GSW1.

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All configurable aspects of the four channel analogue receiver can be programmed via the

console port. The receiver will operate with 8, 16, 32, 64 and 128 channel SILBUS

networks and will automatically configure to the number of channels of the connected

SILBUS network.

4 OPERATING INSTRUCTIONS

The four channel analogue receiver does not require any operator action to operate once it

has been installed within an IP54 host enclosure and configured correctly.

An understanding of the various flash sequences of the orange status LED may be required

to help in the trouble shooting and maintenance of the entire SILBUS network installation.

The status LED provides information on the operational status of the receiver and the

connected SILBUS network. This information includes correct microprocessor operation,

health of connected SILBUS network, selection of an invalid SILBUS channel address and

indication of software version number. The table below shows the various flash sequences

and their meaning.

STATUS LED FLASH SEQUENCES

FLASH SEQUENCE

NAME

MEANING

NONE – LED ON OR

OFF CONTINUOUSLY

NO FLASH INTERNAL MICROPROCESSOR FAULT OR NO POWER.

3 SECONDS ON

3 SECONDS OFF

SLOW FLASH

RECEIVER FUNCTIONING – NO SILBUS

CONNECTED TO SILBUS PORT.

1 SECOND ON

1 SECOND OFF

FAST FLASH

RECEIVER FUNCTIONING – HEALTHY SILBUS

CONNECTED TO SILBUS PORT.

LONG PERIOD OFF

FOLLOWED BY 3

SHORT FLASHES

PAUSE – 3

SHORT

FLASH

AN ANALOGUE OUTPUT OR FAULT SIGNAL HAS BEEN

ASSIGNED TO AN INVALID SILBUS CHANNEL ADDRESS

I.E. P8 FOR A 64 CHANNEL SILBUS NETWORK.

AN ANALOGUE OUTPUT HAS BEEN CONFIGURED TO

FASTLINK AND A FASTLINK MARKER ADDRESS HAS

NOT BEEN SPECIFIED.

LONG PERIOD OFF

FOLLOWED BY 5

SHORT FLASHES

PAUSE – 4

SHORT

FLASH

ONE OR MORE FASTLINK CHANNELS SELECTED BUT

NO FASTLINK MARKER ADDRESS ASSIGNED

LONG PERIOD OFF

FOLLOWED BY 5

SHORT FLASHES

PAUSE – 5

SHORT

FLASH

ONE OR MORE FASTLINK CHANNELS HAS DETECTED

AN CRC ERROR OR BAD FASTLINK MARKER OR ONE

OR MORE ANALINK CHANNELS HAS

A RECEIVED VALUE OF ZERO

LONG PERIOD OFF

FOLLOWED BY 6

SHORT FLASHES

PAUSE – 6

SHORT

FLASH

ONE OR MORE ANALOGUE OUTPUT CIRCUITS

ARE OPEN CIRCUIT OR OUT OF COMPLIANCE.

MAJOR REVISION

FLASH SEQUENCE –

PAUSE – MINOR

REVISION FLASH

SEQUENCE

SOFTWARE

VERSION

SEQUENCE

INDICATES THE SOFTWARE VERSION LEVEL

IMMEDIATELY AFTER POWER UP. SEE SOFTWARE

REVISION SECTION OF THIS MANUAL FOR DETAILS.

Table 1 Status LED flash sequence meanings

The console port power source selection switch SW1 must always be in the run position for

correct operation of the receiver. The run position is with the small slide actuator pushed

furthest away from the black four pin console connector X111.

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5 CONFIGURATION

The four channel analogue receiver has several operational parameters that require

configuration prior to use. All of these parameters can be viewed and changed via the

console port. The console port consists of a small four pin connector and a two position

slide switch behind the front panel label. Access to the console port can be gained by

snapping out the front panel using a wide bladed flat screw driver in one of the slots

between the front panel and terminal blocks.

To use the console port an Austdac MEAN1 interface, A to B USB cable and laptop

computer running Hyper Terminal are required.

For more detail on the console port, MEAN1 interface and their use refer to Austdac

document 53-018-12.

5.1 CONSOLE PORT OPERATION

The console port should be connected to a laptop running a terminal emulation program

such as Hyper Terminal via the Austdac interface type MEAN1 and a USB cable as

shown in the following photograph.

Photograph 3 Laptop connected to console port via MEAN1 interface

The SILBUS-RX4A certification places restrictions on what may be connected to the

console port, the connection of an interface other than the Austdac MEAN1 to the console

port will invalidate the certification of the receiver.

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The terminal emulation program should be configured to 19200 baud, 8 data bits, one

stop bit, no parity, no flow control and DEC VT100 terminal emulation.

Once communications have been established with the SILBUS-RX4A, it will display a

screen of information that includes software version, software checksum, and a list of

commands followed by the console port prompt.

The prompt includes an abbreviation of the receiver type number. RX4A::>

Commands are invoked by entering the command name followed by any optional

modifiers, keywords and the “ENTER” key. The enter key is shown in the following

examples as a “” symbol.

5.2 HELP COMMAND

The HELP command prints a list of all available commands and shows the syntax for each

command. Optional command modifiers are shown within [ ] while mandatory modifiers

are shown within < >. An example of a screen output follows:

RX4A::>HELP 

Software 1V01 0x4AAF Configuration 0x33DF SN:09031000

Commands:

-------------------------------------------------------------------

********** Level 1: Standard Menu **********

HELP [1…7] Level of Help Displays Help Menu

REPEAT [LF] [Refresh rate in seconds] Repeats Previous Command

VER Displays Firmware Version and Checksum

STACK Displays Peak Stack Usage

SBMAP Displays SILBUS I/O Map

SBSTAT Displays SILBUS Status

SBGET <A1–P8> Display selected SILBUS Channel State

SBADDR [<SET> <ANA O/P> <A1-P8, DISABLE>] Set ANA O/P Address

SBFALT [<SET> <ANA O/P> <A1-P8 or DISABLE>] Set Fault Address

SBQUAL [<SET> <A1-P8, DISABLE>] Analink/Fastlink Quality Add

ANASEL [<SET> <ANA O/P> <ANALINK|FASTLINK>] Set Analog Protocol

AOUT Display Analogue Output Values

FSTMRK [<SET> <A1-P8, DISABLE>] Set Fastlink Marker Address

FSTFLT [<SET> [Count] [ZERO|FULL|HOLD]] Failsafe mode

PWD <4 Digit Password> Password for Factory Menus

-------------------------------------------------------------------

RX4A::>_

5.3 REPEAT COMMAND

The REPEAT command is used after another command to continuously repeat that

command. As an example the SBGET command can be executed followed by the

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