USER'S MANUAL - DATAQ Instruments

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CHAPTER 2 Checks and Preparation Connecting to a DC Power Supply Use the optional DC drive cable (B-514). Use a power supply within the 8.5 to 26.4 VDC range. (1) Configure the tip of the DC drive cable (B-514: 2m) to enable it to be connected to the DC power supply. (2) Connect the DC output side to the power supply connector on the GL820. Shielded lead (- side) DC drive cable (B-514: Option) White (+ side) (3) Connect the DC input side to the DC power supply. Be sure to check the polarity of the wire tips when performing wiring. (4) Press the power switch on the GL820 to the ON side to turn on the power. 2−5
CHAPTER 2 Checks and Preparation 2.5 Connecting the Signal Input Cables This section describes how to connect the signal input cables. Terminal Configuration and Signal Types Connection diagram DC voltage input Thermocouple input Voltage input Compensationcopper wire Resistance temperature detector input A Current input B Direct current b b Lead wire resistance should be 10Ω or less per wire, three wires need to be same length. Shunt resister Ex: The current is converted to the voltage in the shunt register. For 4 to 20mA current input, installing 250 ohms (0.1%) resister for converting 1 to 5V. * 250 ohms shunt register is the option B551. + ......................................High-voltage terminal (terminal for high-voltage input signals) – ......................................Low-voltage terminal (terminal for low-voltage input signals) b ......................................Dedicated terminal when connecting resistance temperature detector * Resistance temperature detector input terminals A (+) and B (-) are isolated within each channel. Terminal b is shorted within all channels. Item Description Input configuration Isolated input, scanning Analog voltage 20, 50, 100, 200, 500 mV/F.S.; 1, 2, 5, 10, 20, 50 V/F.S.; 1-5V Thermocouples K, J, E, T, R, S, B, N, W (WRe 5-26) Resistance temperature detector PT100, JPT100, PT1000 (IEC751) A/D resolution 16-bit (Effective resolution: About 1/40,000 of the +/- range) Filter Off, 2, 5, 10, 20, 40 Filter operation is on a moving average basis. The average value of the set sampling count is used. If the sample interval exceeds 30 seconds, the average value of data obtained in a sub-sample (30 seconds) is used. 2−6
Page 1 and 2: GL820 USER’S MANUAL MANUAL NO.GL8
Page 3 and 4: Introduction (7) Insofar as possibl
Page 5 and 6: Safety Precautions Safety Precautio
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Page 9 and 10: CONTENTS How to Recharge the Rechar
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Page 13 and 14: CHAPTER 1 General Description 1.4 N
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CHAPTER 3 Settings and Measurement
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CHAPTER 4 Specifications 4.1 Standa
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CHAPTER 4 Specifications Input Unit
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CHAPTER 4 Specifications External I
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CHAPTER 4 Specifications Humidity S
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CHAPTER 4 Specifications Memo 4−1
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Index K Keep Alive.................
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• The specifications, etc., in th
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