Allen-Bradley ControlNet 1786-6.2.1 Planning And Installation Manual page 22

,QVWDOOLQJ 5HSHDWHUV ,Q 6HULHV
:KHQ \RX LQVWDOO UHSHDWHUV LQ VHULHV \RX VKRXOG XVH \RXU &RQWURO1HW
1HWZRUN PDQDJHPHQW 6RIWZDUH 561HW:RU[ WR YHULI\ WKDW WKH V\VWHP
LV DQ DOORZDEOH FRQILJXUDWLRQ 7KH V\VWHP VL]H LV EDVHG RQ WKH PD[LPXP
QXPEHU RI UHSHDWHUV LQ D VHULHV DQG OHQJWK RI WKH PHGLD XVHG EHWZHHQ
DQ\ WZR QRGHV
Example:
•
segments 1 and 4 each have 2 taps and each = 1000 m (3280 ft)
•
segments 2 and 3 each have 3 taps and each = 983.7 m (3226.6 ft)
•
the total length of this link = 3967.4 m (13,013.2 ft)
•
there are three repeaters in series (A, B, C))
segment 1
segment 2
repeater A
segment 4
Planning A ControlNet Cable System
repeater B
segment 3
repeater C
Publication 1786-6.2.1 - April 1988
2-9
20090a-m