GE HE500TIU050 Manual De Usuario
PAGE 34 06 Apr 2000 CH. 6: COMMUNICATIONS
GFK-1819
GFK-1819
6.6 Current
Loop
The following diagram shows the connection to a device with an active 20mA current loop. The current
loop on the TIU100/110 is passive. Either the PLC must provide the 20mA source or an external current
source must be supplied.
loop on the TIU100/110 is passive. Either the PLC must provide the 20mA source or an external current
source must be supplied.
Note: Current Loop is not a standard option on the TIU100/110. Current loop must be ordered
specifically or can be re-fit into a standard unit. Contact a Horner Electric dealer for more information.
specifically or can be re-fit into a standard unit. Contact a Horner Electric dealer for more information.
Note: Current Loop is not an option with the TIU050/101/102/103/111/112/113/20X.
Figure 6.4 – Current
Loop
+
S R
S T
-
T+
T-
R +
R -
20m
A
Lo
o
p
2 0 m A L o o p
10
11
12
9