Thermo Ramsey - Hoferick Engineering GmbH
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Thermo Ramsey - Hoferick Engineering GmbH

Thermo Ramsey - Hoferick Engineering GmbH Thermo Ramsey - Hoferick Engineering GmbH

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25.04.2013 Views

Operation 1.9 Technical Specifications 1-8 Enclosure Field Mount NEMA 4X (IP65), dust and watertight 17 x 13 x 7 inches Fiberglass reinforced polyester 2 position-mounting feet Steel chassis providing EMI/RFI shielding Panel Mount Size: 12 x 4 x 7.5 inches Material: Chromated mild steel Environmental Conditions Mounting Should be mounted as close to the load cells as possible without being exposed to excessive heat or moisture Field Mount suitable for outdoor mounting Temperature (Ambient) Storage: -40° to +158° F (-40° to +70° C) Operating: +14Ε to +122Ε F (-10Ε to +50Ε C) Relative Humidity Up to 95%, non-condensing Pollution Degree 2 Altitude Up to 6,561 ft (2000m) Power Requirements Voltage Range Nominal voltage +10%, -15% Nominal Voltage 115/230 VAC, selectable Nominal Frequency 50/60 Hz Fusing 400mA Slo-Blo, 110/120 VAC, Type T 200mA Slo-Blo 220/240 VAC, Type T Power Consumption 50 VA max Installation Thermo Fisher Scientific REC 4175 Rev B

Maximum Non-Destructive Input Voltage 150/300 VAC for 1 minute Over voltage Category Category II DC Power Supply Auxiliary Power Supply Output (Alarm Contacts, etc.) Output voltage: 24 VDC Isolation: Yes – 500 volts Output ripple: 1.0 V peak to peak typical Output current: Short circuit protection 600 mA maximum Thermo Fisher Scientific Installation REC 4175 Rev B Installation Load Cell (Weight) Load cell input circuits Number: Up to six (6) 350-ohm load cells in parallel. Cable distance 200 ft or less (3000 ft with sense) Sensitivity: 0.5mV/V to 3.5 mV/V (keyboard selectable) Input Impedance: 100 k-ohm minimum Maximum Usable Signal: 114% of 3mV/V Displayed A/D counts (3mV/V):112368 Isolation: Non-isolated Max non-destructive input voltage: ± 6 V relative to ground Load Cell Cable Shield: Connected to earth ground Load Cell Excitation Power Supply 10 VDC ±10%, 220 mA Minimum load impedance (operating) 58 ohms Output short circuit, 1.5 A maximum Excitation-Sense Circuitry 6 Wire System; cable distance over 200 ft. (not to exceed 3000 ft.). Nominal input voltage: ±5 VDC (10 volts) Input impedance: 100 k-ohm minimum Jumper selectable: Local or remote sense Speed Input Optically isolated Built in current source for dry contact use Powered by + 20 V SPU Supply 1-9

Operation<br />

1.9 Technical Specifications<br />

1-8<br />

Enclosure<br />

Field Mount<br />

NEMA 4X (IP65), dust and watertight<br />

17 x 13 x 7 inches<br />

Fiberglass reinforced polyester<br />

2 position-mounting feet<br />

Steel chassis providing EMI/RFI shielding<br />

Panel Mount<br />

Size: 12 x 4 x 7.5 inches<br />

Material: Chromated mild steel<br />

Environmental Conditions<br />

Mounting<br />

Should be mounted as close to the load cells as possible without being<br />

exposed to excessive heat or moisture<br />

Field Mount suitable for outdoor mounting<br />

Temperature (Ambient)<br />

Storage: -40° to +158° F (-40° to +70° C)<br />

Operating: +14Ε to +122Ε F (-10Ε to +50Ε C)<br />

Relative Humidity<br />

Up to 95%, non-condensing<br />

Pollution Degree<br />

2<br />

Altitude<br />

Up to 6,561 ft (2000m)<br />

Power Requirements<br />

Voltage Range<br />

Nominal voltage +10%, -15%<br />

Nominal Voltage<br />

115/230 VAC, selectable<br />

Nominal Frequency<br />

50/60 Hz<br />

Fusing<br />

400mA Slo-Blo, 110/120 VAC, Type T<br />

200mA Slo-Blo 220/240 VAC, Type T<br />

Power Consumption<br />

50 VA max<br />

Installation <strong>Thermo</strong> Fisher Scientific<br />

REC 4175 Rev B

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