Section 5
5.1
TECHNICAL CHARACTERISTICS
Functional Specifications
Input Signal (Field Values)
0-20 mA, 4-20 mA or any within 0 and 20 mA. Reverse polarity protected (*).
Output Signal
(Communication)
Digital only, Foundation
TM
Fieldbus, 31.25 kbits/s voltage mode with bus power.
Input Impedance
Resistive 100 Ohms , plus a 0.8 V drop over diode in forward direction.
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 KΩ.
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 Ω.
Indication
Optional 4 1/2-digit numerical and 5-character alphanumerical LCD indicator.
Hazardous Location
Certification
Explosion-proof and intrinsically safe (ATEX (NEMKO and DEKRA EXAM), FM, CEPEL, CSA and
NEPSI).
Designed to comply with European Regulations (ATEX 94/9/EC and LVD 2006/95/EC).
Temperature Limits
Operation: -40 to 85C (-40 to 185F).
Storage: -40 to 120C (-40 to 250F).
Display: -10 to 60C ( 14 to 140F) operation;
-40 to 85C (-40 to 185F) without damage.
Humidity Limits
0 to 100% RH.
Turn-on Time
Approximately 10 seconds.
Update Time
Approximately 0.3 second.
Performance Specifications
Accuracy
0.03% of span for 4 - 20 mA, 5 µA for others spans.
Ambient Temperature Effect
For a 10C variation: ± 0.05%.
Vibration Effect
Complies with SAMA PMC 31.1 standard.
Electromagnetic Interference
Effect
Designed to comply with European Directive EMC 2004/108/EC.
Physical Specifications
Electrical Connection
1/2 - 14 NPT, PG 13.5 or M20 x 1.5.
Material of Construction
Injected low copper aluminium with polyester painting or 316 Stainless Steel housing, with Buna
N O-rings on cover.
Mounting
With an optional bracket can be installed on a 2" pipe or fixed on a wall or panel.
Weight
Without display and mounting bracket: 0.80 kg.
Add for digital display: 0.13 kg.
Add for mounting bracket: 0.60 kg.
* WARNING
Apply in the inputs of the conversor only current levels. Don't apply tension levels, because the shunt resistors are of 100R 1W and tension above
10 Vdc it can damage them.
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