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Thermo Ramsey - Hoferick Engineering GmbH

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Digital Input/Output<br />

Appendix Figure D-8: Current Output Board Wiring Diagram (Type A)<br />

Type B: Analog Input/Output board has two ±5 VDC differential inputs<br />

(Appendix Figure D-9) and two user definable 0-20/4-20 or 20-4/20-0<br />

mA outputs (Appendix Figure D-6).<br />

Inputs<br />

Incline Compensation<br />

Moisture Compensation<br />

Outputs<br />

Rate<br />

Speed, or<br />

Load<br />

Analog inputs are +/-5 VDC. Jumpers W3 and/or W4 are used to select 240 ohm<br />

impedance for 0-20/4-20 mA inputs (see Appendix Figure D-10).<br />

Type: Differential voltage input<br />

(0-20 mA or 4-20 mA with internal<br />

resistor, jumper selectable)<br />

Range: 0-5 volt, or ±5 volt, programmable<br />

Input impedance: 100 k nominal (differential)<br />

Maximum usable input voltage: 106% of full scale<br />

Non-isolated<br />

Max. non-destructive input voltage: 12 V peak<br />

Field wiring: Connections are made to the terminal strip on bottom edge<br />

of the analog board. Note that connector is removable for ease of<br />

termination.<br />

<strong>Thermo</strong> Fisher Scientific Multi-Point Calibration D-11<br />

REC 4175 Rev B

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