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Alternative Cable Repeater (SALT)
101-201710

Alternative Cable Repeater (SALT)

The diagnostic alternative cable repeater (SALT) enables PROFIBUS communication over non-standard cable. Rotary switches allow setting the impedance. The user can verify the bus signals with the built in oscilloscope which is identical to the COMbricks SCOPE repeater module and accessible through the web server.

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Introduction

PROFIBUS networks that have not been wired with proper cable or where it is mandatory to use existing twisted pair cable are not uncommon. This product is an excellent tool to modulate PROFIBUS signals on non-standard infrastructures. It can also be used to increase the idle line voltage on segments where interference causes communication disturbances. The large connectors allow specialty cable and more cable stress.

Applications

Alternative Cable Repeater (SALT)

The repeater channel and the integrated oscilloscope are directly connected with the ProfiTrace OE core in the Head Station. Scope images and busmonitor data are directly available in the web server. The data traffic is constantly monitored for glitches which are digitally filtered out. It is able to drive 31 devices and has increased signal strength.

2 Rotary switches, one for the middle resistor and one for the 2 pull-up resistors, manipulate the values of the termination network. The combination of both set the impedance and the level of the idle voltage. At the other end of the cable another SALT repeater or the T1-PEPPER has to be placed (termination at both ends of the cable).

UL-listed

This product is UL-listed. Read more about UL-certification.

Technical specifications

Electrical & Mechanical

  • 1 Bus channel
  • 31 devices/busloads per channel
  • No limit in cascading
  • Removable screw terminals
  • Wire diameter (for the screw terminals): < 2.5 mm2
  • Wire type: stranded or solid core

Protocol

  • Transparent for all PROFIBUS protocols
  • 9.6 kbps - 12 Mbps (auto detection)
  • 2 bits delay time (12 bits in redundant mode)
  • No address required
  • Bus redundancy (selectable)
  • Delay time jitter: Max. ¼ Tbit

Termination

  • Termination range (MIDDLE): 94 .. 940 Ohm
  • Idle voltage range (PULL-UP): 0 .. 5 V

Oscilloscope

  • Frequency: 192 MS/s
  • Resolution: 50 mV
  • Differential range: -6.436..6.436 V

Web server

  • Oscilloscope images of connected devices (diff.)
  • Last, Min, Max bus signals
  • Bar graph of connected devices
  • Email on telegram errors and low bus signals

Backplane

  • 4 Networks selectable with switches
  • 10 Modules (positioned in the first 10 slots)
  • 400 mA current consumption
  • Power supply: provided through the backplane
  • Compatible backplane units: 101-200011, 101-200012, 101-200023, 101-200024, 101-200027

Others

  • Operating temperature: 0 .. 60 °C
  • Dimensions (LxWxH): 115 x 100 x 25 mm (without backplane)
  • Weight: 120 g
  • Head station firmware: 1.264 and higher
UL listed

Want more information? Ask us.

Matthew Dulcey ENG, NLD

Matthew Dulcey

Global Sales Manager
T: +31 (0)174 671800

Downloads

Below you can find all available downloads for this product.

Product Card
Datasheet
Manual
DWG drawing

Service & Support

FAQ's

Check the most frequently asked questions about ComBricks.

On-site & Online Support

Worldwide PROFIBUS and PROFINET support; on-site and online.

Network Certification

Find out what PROCENTEC can certify in your network.

GSD files

Find and download all the GSD files you need.

Software & Firmware downloads

Request firmware, software and download GSD-files.

Training

  • Certified PROFIBUS Engineer

    04 February 2019, 08 April 2019, 16 September 2019

    'Distinguish yourself from the others and show that you are the expert.....Become a Certified PROFIBUS Engineer.'

  • PROFIBUS Troubleshooting & Maintenance

    11 December 2018, 04 February 2019, 12 March 2019

    The PROFIBUS Troubleshooting and Maintenance training course is fully concentrated on those who install and maintain PROFIBUS installations.

  • FREE ProfiTrace Training

    This free training is concentrated on the number 1 troubleshooting tool for PROFIBUS networks.

Training overview