Emerson ROC827 User Manual

Page 77

ROC827 Instruction Manual

Issued Mar-06

Input/Output Modules

4-7

Figure 4-4. Analog Input Jumper J4 – Set to +24V

1-5 VOLT DEVICE
EXTERNALLY POWERED

ROC809 POWERED

CURRENT LOOP DEVICE 4-20mA

OUT SIGNAL

COM

DOC0506A

Figure 4-5. Analog Input Module Field Wiring

Note

: All I/O modules are isolated on the field side. Be aware that you can

induce ground loops by tying commons from various modules together.

Precision

Resistor

+T 12 / 24 V dc
Jumper