Installation / Preparation for Commissioning
TR-Electronic GmbH 2018, All Rights Reserved
Printed in the Federal Republic of Germany
Page 62 of 84
TR - ELA - BA - DGB - 0028 - 00
06/21/2018
4.2 Connection
– notes
Mainly, the electrical characteristics are defined by the variable connection technique.
The connection can be made only in connection with the device specific pin
assignment!
At the delivery of the measuring system one device specific pin assignment in printed
form is enclosed and it can be downloaded afterwards from the page
„
www.tr-electronic.com/service/downloads/pin-assignments.html
”. The number of the
pin assignment is noted on the nameplate of the measuring system.
4.3 EPL Node-ID
Each EPL node (MN, CN and Router) is addressed by an 8 bit EPL Node-ID on the
EPL layer. This ID has only local significance, i.e. it is unique within an EPL segment.
The Node-ID is adjusted by means of two HEX rotary switches, which are read-in only
in the POWER-ON momentum. Additional adjustments during operation are not
recognized therefore.
EPL Node-
IDs 1…239 may used for the measuring system. The table below shows
the EPL Node ID assignment and allowed CN access options for the EPL Node-ID
intervals.
Figure 9: EPL Node-ID, switch assignment
EPL Node-ID
Description
CN access options
0
invalid
no
1…239
regular EPL Controlled Nodes
no / mandatory / optional
isochronous / async only
240
EPL Managing Node
mandatory / isochronous
241…250
reserved
no
251
EPL pseudo Node-ID to be used by
a node to address itself.
no
252
EPL dummy node
no
253
Diagnostic device
optional
isochronous / async only
254
EPL to legacy Ethernet Router
no / mandatory / optional
isochronous
255
EPL Broadcast
no
Table 1: EPL Node-ID assignment
