LRWMANUAL 0321
KAM CONTROLS, INC.
13
I N S TA L L AT I O N C O N T I N U E D
POWER (+)
POWER (-)
4-20mA (+)
4-20mA (-)
Power Supply
24VDC
(12 Watts)
ISOLATED
RECEIVER
INPUT
(+)
(-)
WRONG:
The LRW provides power for the 4-20mA loop
adding external power can damage the
4-20mA output.
LRW
TYPICAL WIRING
(+)
(-)
(-)
(-)
(+)
POWER (+)
POWER (-)
4-20mA (+)
4-20mA (-)
(+)
24VDC
(12 Watts)
Power Supply
RECEIVER
INPUT
LRW
LRW
(+)
(-)
(+)
(-)
POWER (+)
POWER (-)
4-20mA (+)
4-20mA (-)
Power Supply
24VDC
(12 Watts)
RECEIVER
INPUT
WRONG:
The 4-20 mA (-) and power supply (-) cannot be
the same or connected together.
WRONG
WIRING
The LRW provides power for the 4-20 mA
loop. Adding external power can damage
the 4-20 mA output.
WIRING CONTINUED
TYPICAL POWER AND LOOP WIRING CONFIGURATION
FIG. 3-12
TYPICAL
WIRING
WRONG
WIRING
The 4-20 mA (-) and power supply (-)
cannot be the same or connected
together.
