Orion Echo Manual De Instrucciones página 215

RL1
C NO C
(..
( –
20
(
RL2 RS485 OUT
NO + - +
mA
)
)
4
)
24V
- - +
VCC 24VDC
RS485
HART
GND
Orion Echo Ultrasonic Level Probe 
+
+
-
+
-
-
DISTANCE
MAIN
CURRENT
TEMP
215