Rockwell Automation 1771-CFM,D17716.5.99 CONFIGURABLE FLOWMET - Manual (Page 71)

Replace Your QRC Module C–7
Publication 1771Ć6.5.99 - December 1995
Wiring Example
!
ATTENTION: Pins15 & 18 (on the QRC module)
are switching negative (–) while pins 34 & 35
(on the CFM module) are switching positive (+).
Please take this into consideration when rewiring
your system.
7
8
shield
(+)
(-)
turbine flowmeter
or
magnetic pickup
13
14
shield
(+)
(-)
turbine flowmeter
or
magnetic pickup
15
18
21
channel A
overrange alarm
channel A
overrange alarm
-
-
+
+
external dc
power supply
(+)
(-)
12
11
(+)
(-)
turbine flowmeter
or
magnetic pickup
24
23
(+)
(-)
turbine flowmeter
or
magnetic pickup
34
35
36
33
channel A
overrange alarm
channel A
overrange alarm
+
+
-
-
external dc
power supply
(+)
(-)
QRC module CFM module
➀ For new installations, terminate the shields at the chassis.
While not recommended, existing installations can continue
to terminate the shields at the return (RET) terminal.
➀
➀
➀