Emerson 2400S Manuel D’Utilisation
Installation Manual
17
I/O Wiring – Model 2400S Analog Transmitters
P
o
wer Su
ppl
y
I/O
W
irin
g
W
irin
g
– DP
an
d
d
DN
I/
O W
iri
n
g
– AN
Be
fo
fo
re
Y
Y
o
u
Begin
Figure 3-8
Frequency output wiring – External power
3.4.3
Discrete output wiring
Discrete output wiring depends on whether you will use internal or external power. The following
diagrams are examples of proper wiring for these configurations:
diagrams are examples of proper wiring for these configurations:
•
Internal power – Figure 3-9
•
External power – Figure 3-10
Figure 3-9
Discrete output wiring – Internal power
–
+
+
Note: See Figure 3-12 for recommended
resistor versus supply voltage.
resistor versus supply voltage.
000042
Counter
Pull-up resistor
3–36 VDC
+
–
CAUTION
Excessive current will damage the transmitter.
Do not exceed 36 VDC input. Terminal current must be less than 500 mA.
Total load
Note: See Figure 3-11 for output
voltage versus load information.
voltage versus load information.
+
–