Hioki 2301-20 Instruction Manual
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Hioki 2301-20 Instruction Manual

Hioki 2301-20 Instruction Manual

Humidity module
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INSTRUCTION MANUAL
For...は専用機種。複数の場合は「/」で区切る。
不要の場合はとる。
形名を入力。 複数の場合は「/」で区切る。
2301-20
品名を入力。
HUMIDITY MODULE

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  • Page 1 INSTRUCTION MANUAL For...は専用機種。複数の場合は「/」で区切る。 不要の場合はとる。 形名を入力。 複数の場合は「/」で区切る。 2301-20 品名を入力。 HUMIDITY MODULE...

  • Page 3: Table Of Contents

    Contents Contents Introduction ............... 1 Inspection..............1 Safety Notes ............. 2 Notes on Use ............5 Chapter 1 Overview Product Overview ........11 Major Features .......... 12 Name and Function of the Parts....15 Dimension Diagrams ......... 17 Chapter 2 Settings Setting the Module ID........
  • Page 4 Contents Chapter 4 Others Alarm output..........26 4.1.1 Output Rating......... 26 4.1.2 Internal Circuit........ 27 Insulation of Internal Circuit....... 29 Chapter 5 Specifications Basic Specifications ........31 Function Specifications ......32 General Specifications ......33 9764 HUMIDIDTY SENSOR Specifications ..........34 Chapter 6 Maintenance and Service Cleaning ............

  • Page 5: Introduction

    Introduction Introduction Thank you for purchasing the HIOKI “Model 2301- 20 HUMIDITY MODULE”. To obtain maximum per- formance from the instrument, please read this manual first, and keep it handy for future refer- ence. Inspection When you receive the instrument, inspect it care- fully to ensure that no damage occurred during shipping.

  • Page 6: Safety Notes

    Safety Notes Safety Notes This instrument is designed to comply with IEC 61010 Safety Standards, and has been thoroughly tested for safety prior to ship- ment. However, mishandling during use could result in injury or death, as well as damage to the instrument. Be certain that you understand the instructions and precau- tions in the manual before use.
  • Page 7 Safety Notes The following symbols in this manual indicate the relative importance of cautions and warnings. Indicates that incorrect operation presents an extreme hazard that could result in serious injury or death to the user. Indicates that incorrect operation presents a sig- nificant hazard that could result in serious injury or death to the user.
  • Page 8 Safety Notes Measurement categories (Overvoltage categories) This instrument complies with CAT I safety requirements. To ensure safe operation of measurement instruments, IEC 61010 establishes safety standards for various electrical en- vironments, categorized as CAT I to CAT IV, and called mea- surement categories.

  • Page 9: Notes On Use

    Notes on Use Notes on Use Follow these precautions to ensure safe operation and to obtain the full benefits of the various func- tions. Operation and Installation environment. This instrument should be installed and operated indoors only, between 0 and 50°C (32 to 122°F) Do not allow and 80% RH or less.
  • Page 10 Drill ventilation holes or install a ventilation fan to prevent heat buildup. Use the 9764 HUMIDIDTY SENSOR To avoid damaging the 2301-20, only connect the 9764 HUMIDIDTY SENSOR to the TEMP and HUM terminals. Moreover, do not input other sig-...
  • Page 11 Notes on Use Wiring • A qualified electrician shall perform the wir- ing to prevent electric shock. • Avoid live-line electrical work to prevent electric shock and accidents due to short- circuiting. • When tightening the screws, confirm that all screws are securely tightened. A loose screw may result in module errors, fire, or electric shock.
  • Page 12 Notes on Use • Connect the module to a power source that matches the rating in order to prevent fire. • Ensure that the power supply, input, and output are correctly wired according to the wiring dia- gram. (See the chapter on "Preparations" in the instructions manual for each module.) This will prevent fire, malfunction, and errors.
  • Page 13 • Hioki is not liable for any problems caused by sensor use or storage outside the operating or storage ranges. • When not using the 9764 HUMIDIDTY SEN- SOR, seal it in a plastic bag and store it in a cool, dark place.
  • Page 14 Notes on Use...

  • Page 15: Chapter 1 Overview

    • The 2301-20 is a measurement module of Hioki "Smart Site" (remote measurement system). • This module measures and records temperature and humidity at regular intervals. • The 2301-20 is used with the power supply mod- ule, communications module, and module base. Number of measurement...

  • Page 16: Major Features

    1.2 Major Features 1.2 Major Features The recording interval is selectable from 1 second to 60 minutes. The maximum, minimum, and average measure- ments during the recording interval can be recorded (with sampling once a second). The module has an alarm output terminal. The capacitive humidity sensor for this module has the following features relating to humidity mea- surement:...
  • Page 17 1.2 Major Features Rough Estimate of Storable Data Quantity and Time Action at memory full: Continue recording (Endless) Recording Mode Instantaneous Instantaneous MAX/MIN/AVE Value + Value MAX/MIN/AVE Quantity of 26000 13000 10000 storable data Recording interval 1 sec. 7.5 hours 3.5 hours 2.5 hours 2 sec.
  • Page 18 1.2 Major Features Action at memory full: Stop recording (Memory full stop) Recording Mode Instantaneous Instantaneous MAX/MIN/AVE Value + Value MAX/MIN/AVE Quantity of 30000 15000 12000 storable data Recording interval 1 sec. 8.5 hours 4 hours 3 hours 2 sec. 17 hours 8.5 hours 6.5 hours...

  • Page 19: Name And Function Of The Parts

    1.3 Name and Function of the Parts 1.3 Name and Function of the Parts Back Front POWER LED Module ID setting dial Mark area TEMP terminal HUM terminal ALARM terminal...
  • Page 20 ALARM terminal Connect the alarm output cable to this ter- minal. Module ID Use the dial to set the module's identifica- tion No. setting dial *1: The module needs repair. Contact your vendor (agent) or nearest Hioki office. *2: The same module ID may be used by another module.

  • Page 21: Dimension Diagrams

    1.4 Dimension Diagrams 1.4 Dimension Diagrams ± 22.5 ± ± 103.9 (Unit: mm)
  • Page 22 1.4 Dimension Diagrams...

  • Page 23: Chapter 2 Settings

    2.1 Setting the Module ID Chapter 2 Settings 2.1 Setting the Module ID You can connect up to 63 measurement modules to one communications module. Setting Procedure Use the module ID setting dial to set the ID No. of the module to a number from 01 and to 63. (You cannot set a number other than the above.) •...
  • Page 24 2.1 Setting the Module ID...

  • Page 25: Chapter 3 Preparations

    3.1 Installing the Module Chapter 3 Preparations 3.1 Installing the Module 3.1.1 Installing the Module Base Do not mount the module base on the ceiling where it may fall off. Fasten the module base to a DIN rail or the wall according to the procedure described in the 2391 or 2392 series MODULE BASE instruction man- ual.

  • Page 26: Connecting Input/Output Cables

    3.2 Connecting Input/Output Cables 3.2 Connecting Input/Output Cables 3.2.1 Connecting Sensor Cables to the Terminal block Å@ • The TEMP terminal and HUM terminal are not insulated from each other. Avoid short-circuiting. • Be sure to connect the cables to matching con- nectors to prevent damage to the module or sensor.
  • Page 27 3.2 Connecting Input/Output Cables Sensor cable of the 9764 • In case of external noise, wind the cable around the ferrite clamp supplied as an accessory as shown below. • Note that measurement may be adversely affected by external noise or the electromagnetic environment when using a cable longer than 3 meters.

  • Page 28: Connecting Cables To The Alarm Terminal (Alarm Output)

    3.2 Connecting Input/Output Cables 3.2.2 Connecting Cables to the ALARM Terminal (Alarm output) Use a flat blade screwdriver to loosen the screws on the terminal block. Insert a cable for alarm output into the terminal block, then tighten the screws (at a tightening torque of 0.25 N•m).

  • Page 29: The Location Of The Input/Output Cable

    3.2 Connecting Input/Output Cables 3.2.3 The Location of the Input/Output Cable TEMP terminal (Input/output) Blue White Black HUM terminal (Input/output) Yellow Green TEMP ALARM terminal (Input/output) Alarm Alarm Common output output The TEMP and HUM terminals are used to con- nect the optional 9764 HUMIDIDTY SENSOR.

  • Page 30: Chapter 4 Others

    4.1 Alarm output Chapter 4 Others 4.1 Alarm output 4.1.1 Output Rating Ensure that the input does not exceed the maximum input voltage or current to avoid module damage, short-circuiting and electric shock resulting from heat building. Output method Open collector Maximum input 30 V, 20 mA max.

  • Page 31: Internal Circuit

    4.1 Alarm output 4.1.2 Internal Circuit The alarm output circuit is configured as shown below. TEMP Photocoupler Internal circuit • Signal logic indicates the signal state in which a signal's function is enabled. • The output transistor works as a switch between signal output and ground in the module.
  • Page 32 4.1 Alarm output Circuit diagram Power Power Relay Limit resistor Diode Output Output Connecting LED Connecting relay TEMP Wired-OR output Using on Wired-OR Logic • When connecting a relay or LED lamp, ensure that the relay or lamp operates at up to 30 V and 20 mA (with allowable loss of 75 mW or less).

  • Page 33: Insulation Of Internal Circuit

    4.2 Insulation of Internal Circuit 4.2 Insulation of Internal Circuit In the 2301-20, the input circuit and alarm output are insulated from the CAN bus as shown in the block diagram below. (Withstand voltage: 1.4 kVAC, 50/60 Hz, Response current: 5 mA, 1...
  • Page 34 4.2 Insulation of Internal Circuit...

  • Page 35: Chapter 5 Specifications

    5.1 Basic Specifications Chapter 5 Specifications 5.1 Basic Specifications Sensor Type 9764 HUMIDIDTY SENSOR Number of Inputs Temperature 1 CH + Humidity 1 CH -40.0 to 85.0°C Resolution: 0.1°C Measurement 0.0 to 100.0%RH Resolution: 0.1%RH Range (Display range: -10.0 to 110.0%RH) Measurement Temperature Accuracy...

  • Page 36: Function Specifications

    5.2 Function Specifications 5.2 Function Specifications Actual Time Time management using PC application Management Recording is started and ended by a com- Recording mand. (Immediate start, timed start, or timed Start/End end) Recording Interval recording (Measurements are re- Method corded at a set recording interval.) One data set contains time, temperature, Recorded Data and humidity (for 1 channel each).

  • Page 37: General Specifications

    New data will be added to the previous data at the start of recording. After recovering from a power outage, the Power Outage 2301-20 automatically returns to the state Protection held before the outage. 5.3 General Specifications ±100 ppm (Reference value at temperature Clock Accuracy from 0 to 50°C (32 to 122°F) without the com-...

  • Page 38: 9764 Humididty Sensor Specifications

    5.4 9764 HUMIDIDTY SENSOR Specifications Instruction manual........1 Accessories Ferrite clamp ..........1 Terminal block.......... 3 Option 9764 HUMIDIDTY SENSOR Operational Ranges for 0 to 50°C (32 to 122°F), 80%RH or less Temperature and (with no condensation) Humidity Temperature and -10 to 50°C (14 to 122°F), 80%RH or less Humidity Ranges (with no condensation)
  • Page 39 ±1%RH (5 years at 25°C (77°F), 50%RH, ref- Stability erence value) The 2301-20 may indicate a humidity measure- ment below zero or above 100%RH. These values indicate a change in low or high humidity levels, and do not indicate actual humidity (since values...
  • Page 40 5.4 9764 HUMIDIDTY SENSOR Specifications...

  • Page 41: Chapter 6 Maintenance And Service

    Hioki cannot be responsi- ble for damage that occurs during shipment. • When transporting the 2301-20 or a system con- taining this module, tape the front of the module or take similar measures to avoid losing internal...
  • Page 42 6.2 Service...

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