Actisense USG-1-B-485 User Manual Download Page 3 | Manualshive

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Summary of Contents for USG-1-B-485

Page 1: ...ections Issue 1 04 Create a safe serial port connection to an RS485 network or an IEC61162 2 compliant marine connection that may be on a different power circuit Provide a fully compliant RS485 port f...

Page 2: ......

Page 3: ...l port 5 Features 5 Software updates 5 RS485 Interfacing 6 The basics 6 The RS485 signals 6 Opening the USG 1 6 USG 1 connections 7 Connecting Devices 8 RS485 Connections 8 Connecting to a 3 pin RS485...

Page 4: ...ferred or copied without the expressed written permission of Active Research Limited Active Research Limited will not be held responsible for any damage to the user that may result from accidents or a...

Page 5: ...ay work but if not you will either simply get no data or at worst damage your equipment The USG 1 485 solves this by using ingenious circuitry unique to Actisense in its bi directional transmitter cir...

Page 6: ...led as either A and B or and respectively depending on the instrument and manufacturer When connecting between different manufacturers there can be some confusion but it is simple and easy to remember...

Page 7: ...Both sets are connected in parallel on the board This allows a network to be created by allowing a connection in from the RS485 network and the second set used to connect to further devices on the net...

Page 8: ...85 transceiver on the USG 1 485 Connecting Devices Figure 2 RS485 connections RS485 Net In A RS485 Net Out B A B Ground Notes 1 It is recommended that all device interconnection cables used should mee...

Page 9: ...odel instead using the RS232 connections detailed in that user manual This method will allow full bi directional isolated connection to a PC RS232 port Connecting to a 3 pin RS485 Listener or Talker I...

Page 10: ...this section will be very familiar To all other Windows users the required steps are detailed below to help with installation The steps for Windows 98 SE are very similar to those of Windows XP and s...

Page 11: ...l Converter driver is now installed click Finish to complete the wizard and wait for the Found New Hardware Wizard to appear again This second wizard will guide you through the USB Serial Port driver...

Page 12: ...d manually change the allocated COM port number to the same number for each USB port Once configured the COM port number will not change unless instructed to do so by the user This is very useful when...

Page 13: ...or the USG 1 device It is not necessary to change the default settings here as each software program will define these settings itself 4 Click on the Advanced button and choose a different COM Port nu...

Page 14: ...t the Talker device is correctly connected to the USG 1 485 that it is powered on and that it is sending data In addition the USB driver must be correctly installed and the PC software must have the a...

Page 15: ...current at max load of 100 ohm At maximum load differential drive voltage reduces to 1 4v 14 mA Output short circuit current note 1 Due to short circuit protection 50 55 mA Galvanic isolation From USB...

Page 16: ...Fax 01202 746683 International 44 1202 746683 Actisense on the Web For advice support and product details E mail support actisense com Website www actisense com Actisense is a registered trademark of...

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