ComBricks User Manual v6.4.0 | January 18| © PROCENTEC
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PA Link/Coupler module
The transparent PROFIBUS PA link/coupler enables seamless high speed integration to
PROFIBUS PA. It powers the attached PA devices and fully emulates them as DP devices on the
backplane. Adjusted bus parameters are not required and therefore suitable for all DCS and
PLC systems, even running on 12 Mbps.
The combined internal ProfiTrace and oscilloscope make this product extremely useful for
remote maintenance over Ethernet. Jitter, noise, DC current, DC voltage, bar graph and
oscilloscope, it is all there and easy to access. The free CommDTM allows access for asset
management tools over Ethernet.
ComBricks is able to carry 9 PA links and an RS-485 or Fiber Optic module. It can also be a
customized mix of PA modules with other communication modules. The PA link provides 500 mA
current on a customizable bus voltage. The integrated PA termination is automatically activated
when the module works as a link or coupler. It is switched off in the monitoring mode.
It does not require configuration and operates the same way as regular ComBricks repeaters. In
the web server the behavior on the PA side can be set, like retries (default 5) and the watchdog
(default 3 seconds). This product can directly replace 3rd party Non-Ex PA couplers/links and can be used as a
monitor behind existing 3rd party Non-Ex PA couplers.
This module is not suitable for use in Ex environments unless a barrier is used between the PA
module and the Ex zone.
Repeater module status
Received data on PA
PA signal too low
or too high
Overcurrent, noise,
unbalance, DC-polarity
Communication errors
or bad telegrams
Repeater internal failure
Jitter, asymmetry,
field device polarity
Fig. 78 - Overview of LEDs
Fig. 79 - Overview of dipswitches
Network selection
Link or Coupler mode
Dipswitch or web server settings
Summary of Contents for ComBricks
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Page 213: ...ComBricks User Manual v6 4 0 January 18 PROCENTEC 213 219 44 Certificates ...
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Page 217: ...ComBricks User Manual v6 4 0 January 18 PROCENTEC 217 219 45 Notes ...
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