Honeywell Fusion4 MSC-L

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System Description - Input Functions

Part No.: 4418309_Rev09 Fusion4 MSC-L

Honeywell Installation & Operation Manual 3 - 47

In the passive mode, the transmitter is powered externally.

FIGURE 3-28 Analog Input connections - Active mode (top) and Passive mode (bottom)

AI can be used for temperature, pressure, or any other type of analog 4-

20 mA signal measurement.

The AI interface is not intrinsically safe, and external devices connected

to the AI must conform to Ex d safety standards when used in a

hazardous area.

250Ω

CAN-ARM-MSC

CN128

Analog Signal

24V

24V Common

Temperature or

pressure transmitter

4-20mA

AI+

AI-

24V

External DC

power supply

External equipment

250

Ω