Kenco-engineering KMD Transmitter Instrukcja Użytkownika Pobierz pdf (Strona 5)

5. TRANSMITTER SPECIFICATIONS

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Parameter Specifications

Level Output

Measured Variable Liquid Level (as determined by location of magnetic float)

Full Range 18” to 300”

Non-Linearity Full Span 0.020 F.S. or 1/32”, whichever is greater

Repeatability 0.01% F.S. or 1/32”, whichever is greater

Sensor Operating Temp. - 40°F to 300°F

Transmitter Loop

Input Voltage Range 10.5 to 36.1 VDC

Reverse Polarity Protection Series Diodes

Safety Approval CSA Certified Explosion Proof C1.I, Grps. B, C, D C1.II Grps E, F, G

Division 1, NEMA 4X

CSA Certified Intrinsically Safe (when installed with I.S. Barriers)

C1. I, Grps A, B, C, D; C1. II, Grps, E, F, G. Division 1, NEMA 4X

Calibration

Zero Adjust Range Anywhere within the active length

Span Adjust Range Full scale more than or equal to 0.5” from zero

Environmental

Electronics Operating Temp. - 30°F to 160°F

Humidity 0 to 100% Relative Humidity

Materials/Outer Pipe 316 Stainless Steel

Field Installation

Mounting 3/4” NPT fitting or flange mounting

Wiring 2 wire connection, shielded cable or twisted pair to screw terminals

through a 3/4” NPT conduit opening

Display

Measured Variables Liquid Level

Update Rate: 3 seconds

Size: 0.5”

Number of digits: 16

Measurement: % of span, a 4-20 mA output or any unit of measure

HART® Communications

Method of Communication Frequency Shift Keying (FSK) conforms with Bell 202 Modem

Standards with respect to baud rate and digital “1” and “0” frequencies

Baud Rate 1200 bps

Digital “0” Frequency 2200 Hz.

Digital “1” Frequency 1200 Hz.

Data Byte Structure 1 Start Bit, 8 Data Bits, 1 Odd Parity Bit, 1 Stop Bit

Digital Process Structure Rate Poll//Response Model 2.0 per second

1 2 3 4 5 6 7 8 9 10 11 12 13

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Kenco-engineering KMD Transmitter Instrukcja Użytkownika Strona 5