Micropack FDS303 - 0-20 Ma Output

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FDS303 Safety and Technical Manual
Rev: 1.7 ECN: 4535 Ref: 3303.0001
FDS303 Flame Detector
This document is strictly private and confidential, reproduction without Micropack approval is prohibited. © Micropack Engineering Ltd, 2018
3.3.1 0-20mA Output
The following wiring connection diagram shows correct wiring of the detector when a 0-20mA
output is required.
Figure 5: 3 Wire Termination
Factory Fixed Values
Current Output
Event
0mA
Power/Detector Fault
1.5mA
Optical Fault
4mA
Healthy
18mA
Alarm
21mA
Over-range
Note:
The tolerance on the above outputs is +/- 0.3 mA dc current with a maximum loop
resistance of 500 ohms