Configuring Your Link With Repeaters; Parallel - Allen-Bradley ControlNet 1786-6.2.1 Planning And Installation Manual

2-8 Planning A ControlNet Cable System
Publication 1786-6.2.1 - April 1988
7KH IROORZLQJ GLDJUDP VKRZV D SRVVLEOH FRQILJXUDWLRQ IRU SRZHULQJ D
EDFNXS UHSHDWHU LQ \RXU &RQWURO1HW QHWZRUN ,Q WKLV GLDJUDP WKH
EDFNXS UHSHDWHU ZLOO EH DFWLYDWHG ZKHQ WKH SULPDU\ UHSHDWHU LV IDXOWHG
This diagram shows a possible configuration for powering a
backup repeater in your ControlNet network. In this diagram, the
backup repeater will be activated when the primary repeater is
primary
faulted.
repeater
contact
power (ac or dc)
power (ac or dc)
$77(17,21 'R QRW SRZHU ERWK UHSHDWHUV DW WKH
VDPH WLPH 3RZHULQJ ERWK UHSHDWHUV DW WKH VDPH WLPH
GLVUXSWV FRPPXQLFDWLRQ RQ WKH QHWZRUN 8VH WKH
IDXOWUHOD\ FRQWDFW RI WKH SULPDU\ UHSHDWHU WR FRQWURO
SRZHU WR WKH EDFNXS UHSHDWHU

Configuring Your Link With Repeaters

:KHQ \RX FRQILJXUH \RXU OLQN XVLQJ UHSHDWHUV \RX FDQ LQVWDOO WKHP LQ
RQH RI WKUHH ZD\V
You can install repeaters in:
series

parallel

a combination of series and parallel
$ UHSHDWHU FDQ EH FRQQHFWHG WR D VHJPHQW DW DQ\ WDS
Important:
ORFDWLRQ
$77(17,21
RQ WKH GLVWDQFH EHWZHHQ DQ\ WZR QRGHV 7KH WRWDO
DPRXQW RI FDEOH XVHG LQ WKH QHWZRUN LV RQO\ OLPLWHG E\
WKH GLVWDQFH EHWZHHQ WKH IXUWKHVW WZR QRGHV
primary
repeater
CR 1
contact
CR 1-1
See:
section below
page 2-10
page 2-11
7KH PD[LPXP V\VWHP VL]H LV EDVHG
to backup
repeater
30017-m