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Honeywell 2MLL-PMEC User Manual page 26

Profibus-dp(pnet) module, honeywell process solutions

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3) Pnet termination
- Connector
<Terminal connection>
Remark
(1) Please refer to below for cable name and place of purchase.
1) Thomascable : Profibus-DP UNITRONIC-BUS L2/FIP/BUS Tel)043-217-8600
2) Belden cable : 3079A Tel)02-2202-2656
4) General notices
(1) Termination treatment of vertical section is needed.
(2) In case that the distance is far between stations, it is possible to extend the segment through
repeater(max. 9 repeater, 10 segment), available to connect 32 stations per segment(include
repeater), max. 126 stations. (Repeater does not have station no.) The extended segment
having no station is available.
(3) Shield shall be connected to the housing of connector.
(4) Use the special connector having the inductor inside.
(5) Spur Line is not allowed to use.
(6) If the ground potential difference between stations is big, a great amount of current may flow
through the shield. In this case, install the cable to make the ground potential difference equal
separately. For high speed more than 1.5Mbps, special cares should be taken.
(7) In case of 12Mbps, keep the distance more than 1m between stations.
5) Termination treatment
(1) Each segment should do the termination treatment for both ends. If there are several segments,
it is required to do the termination treatment for each segment.
(2) Termination is available to turn on/off by the switch of special connector.
(3) If possible, install the master at the end of one side.
5
Pnet I/F Module 2MLL-PSRA, 2MLL-PMEA, 2MLL-PMEB User's Guide
Chapter 3 Installation and Test Operation
Honeywell
<Branch connection>
R240
January 2019

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