Emerson ROC364 Manual de instrucciones Pagina 9

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ROC364 Instruction Manual
Rev 5/00 6-5
+T
+
-
Current Limit
+
-
T
+
-
ROC-POWERED
CURRENT LOOP
DEVICE
+T = 12/24 VDC, 22 mA max.
+SIGNAL = 4 TO 20 mA
250 OHM
A
I
DOC0098A-R32
B1 to B8
COM
Figure Section: 6-2. Current Signal on Analog Input
When connecting the analog input channel to a voltage device, be sure to remove the 250-ohm resistor
from the analog input terminal block. Figure Section: 6-3 shows wiring for a voltage signal input from a
self-powered device; Figure Section: 6-4 shows wiring for a 3 or 4-wire voltage transmitter.
Current Limit
-
+
-
EXTERNAL/
SELF-POWERED
DEVICE
+T = 12/24 VDC, 22 mA max.
+SIGNAL = 1 TO 5 VDC
A
I
T
+
+T
DOC0098A-R32
+
-
B1 to B8
Figure Section: 6-3. Voltage Signal (Self-powered device) on Analog Input
Current Limit
-
+
-
ROC-POWERED
3 OR 4 WIRE
TRANSMITTER
(
1 TO 5 VOLTS
)
+T = 12/24 VDC, 22 mA max.
+SIGNAL = 1 TO 5 VDC
A
I
T
+
+T
DOC0098A-R32
COMMON
B1 to B8
SIGNAL -
SIGNAL +
POWER
Figure Section: 6-4. Voltage Transmitter on Analog Input
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