Lear Siegler ADM 3A - Page 23

____ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
CURRENT LOOP
20mA
CURRENT LOOP
TRANSM ITTER
23
SEND CL+
25
SEND CL-
20mA
CURRENT LOOP
RECEIVER
17
RECEIVE CL ....
RS-422
24 RECEIVE CL-
23 RS-422 SEND ....
RS-422 TRANSMITTER
AS-422 RECEIVER
25
17
RS-422 SEND -
RS-422 RECEIVE
....
24 AS-422 RECEIVE -
Figure 2-5. Optional Current Loop and RS-422 Interface Logic
2-7