Ashcroft 2274 XAOU2 Manual de instrucciones - Página 12
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WIRING DIAGRAM
POWER
SUPPLY
+
–
PIN A
PIN B
+
–
METER
4-20mA
(seperate power supply required when switch(s) is/are ordered)
Load Limitations 4-20mA Output Only
1000
750
500
250
0
0
10
Loop Supply Voltage (Vdc)
Vdc MIN = 12V + [0.022A* X (RL) ]
R
= R
+ R
L
S
R
= Loop Resistance (ohms)
L
R
= Sense Resistance (ohms)
S
R
= Wiring Resistance (ohms)
w
*Includes a 10% safety factor.
(+)
V+
GAUGE
(–)
V–
OPERATING
REGION
20
30
36
W
– 22 –
– 23 –