SMAR FI302, Operation, Maintenance & Instruction Manual

Page: 37 / 40

Section 5
5.1
Technical Characteristics
Functional Specifications
Output Signal
Three 4-20 mA current links, external supply, common ground
Input Signal
Digital only, Fieldbus
TM
, 31.25 Kbit/s voltage mode with bus power.
Output Load Limitation
External Output Supply Voltage: 3-45 Vdc.
Power Supply
Bus power 9-32 Vdc.
Current consumption quiescent 12 mA.
Output impedance: non-intrinsic safety from 7.8 KHz - 39 KHz should be greater or equal to 3
KOhm.
Intrinsic safety output impedance (assuming an IS barrier in the power supply) from 7.8 KHz - 39
KHz should be greater or equal to 400 Ohm.
Display
Optional 4½ digit LCD Display.
Hazardous Location Certification
Explosion proof, weather proof and intrinsically safe CENELEC and FM standards.
Temperature Limits
Operation: -40 to 85
°
C (-40 to 185
°
F)
Storage: -40 to 120
°
C (-40 to 250
°
F)
Display: -10 to 60
°
C ( 14 to 140
°
F) operation
-40 to 85
°
C (-40 to 185
°
F) without damage.
Humidity Limits
0 to 100% RH.
Turn-on Time
Approximately 10 seconds.
Update Time
Approximately 0.2 second.
Performance Specifications
Accuracy
0.1%.
Ambient Temperature Effect
For a 10
°
C variation: ± 0.05%.
Output Power Supply Effect
± 0.005%/V
Vibration Effect
Meets SAMA PMC 31.1.
Electro-Magnetic Interference Effect
Designed to comply with IEC 801.