Emerson ROC364 Manual de Instruções descarregar pdf (Página 9)

ROC364 Instruction Manual

Rev 5/00 6-5

Current Limit

ROC-POWERED

CURRENT LOOP

DEVICE

+T = 12/24 VDC, 22 mA max.

+SIGNAL = 4 TO 20 mA

250 OHM

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

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

DOC0098A-R32

COMMON

B1 to B8

SIGNAL -

SIGNAL +

POWER

Figure Section: 6-4. Voltage Transmitter on Analog Input

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Emerson ROC364 Manual de Instruções Página 9