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Summary of Contents for Austdac SILBUS-RX4A
- Page 1 Title 4 CHANNEL ANALOGUE RECEIVER TYPE SILBUS-RX4A USER MANUAL Document Number 120-208-12 Issue...
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Page 2: Revision Control
Fax: +1 412 635 0179 Copyright 2017 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... -
Page 3: Table Of Contents
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 ........................ -
Page 4: Photographs
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... -
Page 5: 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. -
Page 6: Theory Of Operation
(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. - Page 7 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.
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Page 8: Operating Instructions
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. -
Page 9: Configuration
To use the console port an Austdac MEAN1 interface, A to B USB cable and laptop computer running Hyper Terminal are required. -
Page 10: Help Command
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. -
Page 11: Version Command
REPEAT command to provide a continuously updating display of the selected SILBUS channel. The display will continue to update until any key is hit. The TX4A will respond by displaying the prompt. RX4A::>SBGET D1 D1 = ON RX4A::>REPEAT D1 = OFF RX4A::>_ In the above example the “OFF”... -
Page 12: Stack Command
Stack usage/size = 312/1024 Percentage Used = 30% RX4A::>_ This command would typically only be used when requested by an Austdac software engineer. 5.6 SILBUS MAP COMMAND The SILBUS map command allows the operator to obtain a snapshot of the SILBUS network to which the receiver is connected. -
Page 13: Silbus Get Command
5.9 ANALOGUE OUTPUT ADDRESS COMMAND This command is used to display and configure the SILBUS channel addresses of the four analogue outputs of the SILBUS-RX4A. The current SILBUS channels can be displayed by simply entering the command name as shown in the example below: RX4A::>SBADDR ... -
Page 14: Fault Address Command
This command is used to display and configure the SILBUS channel addresses of the four signal fault signals of the SILBUS-RX4A. The fault signals are generated when an analogue output falls out of compliance. The current SILBUS channels of the fault signals can be displayed by simply entering the command name as shown in the example below: RX4A::>SBFALT ... -
Page 15: Fault Level Command
The above example shows the format of the command when the address is configured. The keyword “SET” is required to invoke a change; the number of the RX4A output is next, followed by the SILBUS channel address. If a RX4A output is not to be used then it should not be assigned a SILBUS channel address. -
Page 16: Analogue Select Command
noise to cause the fault signal to randomly switch on and off. By setting the hysteresis value to slightly higher than any known noise this random and annoying switching can be eliminated. The hysteresis value is common to all four analogue outputs. The current hysteresis value can be displayed by simply entering the command name as shown in the example below: TX4A::>FLTHYS ... -
Page 17: Analogue Output Command
RX4A::>_ The ‘marker error’ has been displayed because analogue output one has been configured to Fastlink but a valid Fastlink marker channel address has not been specified. See the Fastlink marker command (FSTMRK) for details on assigning a valid marker address. Once a valid marker address has been configured the error message will disappear as shown in the example below. -
Page 18: Terminations And Connections
RX4A::>FSTMRK SET DISABLE Setting Changed Fastlink Marker SILBUS Address is DISABLE RX4A::>_ The following table may be used to record the configuration of the SILBUS-RX4A four channel analogue receiver. SILBUS-RX4A CONFIGURATION RECORD LOCATION SILBUS NETWORK CHANNEL OUTPUT SIGNAL TYPE... -
Page 19: Analogue Output Ports
The analogue outputs are galvanically isolated from the SILBUS network port; this allows the SILBUS-RX4A to be used in a variety of special ways that include connecting non- intrinsically safe signals to the analogue outputs while the receiver is connected to an intrinsically safe SILBUS network. -
Page 20: Certification
IECEx TSA 07.0002X, Ex ia I, as part of the Dupline / SILBUS system. The certification requires that the SILBUS-RX4A be mounted within a host enclosure that provides a minimum ingress protection of IP54 (IP55 for Queensland Australia). -
Page 21: Installation Configuration 1
7.1 INSTALLATION CONFIGURATION 1 +VS1 LOAD 1 CH 1 DISPLAY 0 to 20mA CH 2 -VS1 4 to 20mA +VS1 SIGNAL CH 3 LOAD 2 CH 4 TRIP AM P -VS1 +VS1 -VS1 Figure 3 Installation configuration 1 This configuration allows the four channel analogue receiver to be located wholly within the hazardous area and the connection of intrinsically safe circuits to its various ports. -
Page 22: Installation Configuration 2
7.2 INSTALLATION CONFIGURATION 2 This configuration allows the four channel analogue receiver to be located wholly within the safe area, the connection of an intrinsically safe SILBUS network, be powered from a non- intrinsically safe power supply and the connection of non-intrinsically safe analogue outputs. -
Page 23: Software Revision And Display
Table 7 Installation configuration 2 entity parameters 8 SOFTWARE REVISION AND DISPLAY The software version of the four channel analogue receiver type SILBUS-RX4A will vary as its functionality is improved at the request of our customers. The software version is given... -
Page 24: Specifications
9 SPECIFICATIONS Name ..................4 Channel Analogue Receiver Type........................SILBUS-RX4A Number of analogue channels ....................4 Analogue output current signal range ............ 0 – 20mA or 4 – 20mA Analogue input transmission protocol..........FASTLINK or ANALINK Terminations ................Cage clamp 4mm maximum Size................
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