Allen-Bradley MediaChecker 1788-MCHKR Manual page 34

34
Calculating the Distance to a Short
Table 13. DeviceNet and DH+/RIO Cable Resistances
Data Pair
Cable Type (H, L)
0.0069 Ω/ft
DeviceNet
0.0226 Ω/m
Thick
0.028 Ω/ft
DeviceNet
0.0918 Ω/m
Thin
0.00404 Ω/ft
DeviceNet
0.01325 Ω/m
KwikLink
0.00944 Ω/ft
DH+/RIO
0.031 Ω/m
1788-UM002A-US-P – April 2000
Power Pair
(+,-) Shield
0.0032 Ω/ft 0.00175 Ω/ft
0.0105 Ω/m 0.00575 Ω/m
0.01617 Ω/ft 0.0032 Ω/ft
0.053 Ω/m 0.0105 Ω/m
0.00404 Ω/ft
NA
0.01325 Ω/m
NA 0.0041Ω/ft
0.0135 Ω/m
Table 14. ControlNet Cable Resistances
Cable Type
Conductor
0.028 Ω/ft
ControlNet RG6
0.0918 Ω/m
0.0099 Ω/ft
ControlNet RG6F
0.0325 Ω/m
0.0255 Ω/ft
ControlNet DS3/4
0.0836 Ω/m
Center Shield
0.0036 Ω/ft
0.0118 Ω/m
0.0029 Ω/ft
0.0095 Ω/m
0.0032 Ω/ft
0.0105 Ω/m