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9

Notes on Use

Preliminary Checks

Before using the instrument the first time, verify
that it operates normally to ensure that the no
damage occurred during storage or shipping. If
you find any damage, contact your dealer or Hioki
representative.

• Keep the cables well away from heat sources,

as bare conductors could be exposed if the
insulation melts.

Before using the instrument, make sure that

the insulation on the cables is undamaged

and that no bare conductors are improperly

exposed. Using the product in such condi-

tions could cause an electric shock, so con-

tact your dealer or Hioki representative for

repair.

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Содержание 2304-20

Страница 1: ...i Ueda Nagano 386 1192 Japan TEL 81 268 28 0562 FAX 81 268 28 0568 E mail os com hioki co jp URL http www hioki co jp HIOKI USA CORPORATION 6 Corporate Drive Cranbury NJ 08512 USA TEL 1 609 409 9109 FAX 1 609 409 9108 2304A981 00 04 08H Printed on recycled paper ...

Страница 2: ......

Страница 3: ...ting the Module ID 19 Chapter 3 Preparations 21 3 1 Installing the Module 21 3 1 1 Installing the Module Base 21 3 1 2 Mounting a Module on the Module Base 21 3 2 Connecting Input Output Cables 22 3 2 1 Connecting to CH1 Terminal voltage contact pulse signals input 22 3 2 2 Connecting to CH2 Terminal 9766 CLAMP ON SENSOR 23 3 2 3 Connecting Cables to the ALARM Terminal Alarm output 25 3 2 4 Connec...

Страница 4: ...ut Rating 27 4 1 2 Internal Circuit 28 4 2 Insulation of Internal Circuit 30 Chapter 5 Specifications 31 5 1 Basic Specifications 31 5 2 Function Specifications 32 5 3 General Specifications 33 Chapter 6 Maintenance and Service 35 6 1 Cleaning 35 6 2 Servicing 35 ...

Страница 5: ...ture reference When you receive the instrument inspect it care fully to ensure that no damage occurred during shipping In particular check the panel switches and connectors If damage is evident or if it fails to operate according to the specifications contact your dealer or Hioki representative Accessories Instruction manual 1 Ferrite clamp 2 Terminal block 3 Introduction Inspection ...

Страница 6: ... 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 We disclaim any responsibility for accidents or injuries not resulting directly from instrument defects In the manual the symbol indicates particu larly important information that the user should read before using the instrument The symbol printed on the...

Страница 7: ...y 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 Indicates that incorrect operation presents a pos sibility of injury to the user or damage to the instrument Indicates advisory items related to performance or correct operation of the instrument Indicates the prohibited action Indicates the location of ...

Страница 8: ...tribution panel and feeders from the distribution panel to out lets CAT IV The circuit from the service drop to the service en trance and to the power meter and primary overcur rent protection device distribution panel Higher numbered categories correspond to electrical environ ments with greater momentary energy So a measurement device designed for CAT III environments can endure greater momentar...

Страница 9: ...ghly electrically charged object These may cause a malfunction This instrument is not designed to be entirely water or dust proof Do not use it in an especially dusty environment nor where it might be splashed with liquid This may cause damage When the module is used in a dusty environment place it in a dustproof case and take measures to ensure heat dissipation Do not store or use the instrument ...

Страница 10: ... the ventilation holes and install the instrument with the holes unobstructed Installation of the instrument with the ventilation holes obstructed may cause a malfunction or fire When using the instrument in the case drill ventilation holes Drill ventilation holes or install a ventilation fan to prevent heat buildup Correct measurement may be impossible in the presence of strong magnetic fields su...

Страница 11: ... torque may result in module errors fire or electric shock Ensure that the power supply module and input are OFF until all wiring work is fin ished This will prevent module trouble and electric shock Ensure that the power supply module and input are OFF when connecting or discon necting the module to the system This will prevent electric shock errors and mal function Avoid using an unused terminal...

Страница 12: ...a noise filter is recommended When the power and signal lines may be subject to a lightning induced surge install a lightning arrester between another device or module con nected to this module and line to protect the sys tem Use the specified clamp sensor for this module only Do not connect any other current sensor directly to the module Use of other sensors may result in excessive input and dama...

Страница 13: ...ct your dealer or Hioki representative Keep the cables well away from heat sources as bare conductors could be exposed if the insulation melts Before using the instrument make sure that the insulation on the cables is undamaged and that no bare conductors are improperly exposed Using the product in such condi tions could cause an electric shock so con tact your dealer or Hioki representative for r...

Страница 14: ...Notes on Use 10 ...

Страница 15: ...2304 20 can be used to measure pulse output from a watthour meter or flowmeter The 2304 20 is used with the power supply mod ule communications module and module base Overview Chapter 1 1 1 Product Overview Usable current sensor 9766 CLAMP ON SENSOR Number of measurement channels 1channel for voltage contact pulse 1channel for current pulse Measurement range 16 000 k pulse interval Input pulse 4 k...

Страница 16: ...s of measurements made during a record ing interval can be recorded with sampling once a second The module has an alarm output terminal The specified clamp sensor also makes it possible to count the current pulses output from the watt hour meter without disconnecting the cables 1 2 Major Features ...

Страница 17: ... storable data 26000 Recording interval 1 sec 7 5 hours 2 sec 14 5 hours 5 sec 1 5 days 10 sec 3 days 15 sec 4 5 days 20 sec 6 days 30 sec 9 days 1 min 18 days 2 min 36 days 5 min 92 days 10 min 184 days 15 min 277 days 20 min 369 days 30 min 554 days 60 min 1109 days When the alarm log is ON the higher the number of alarms generated the smaller the recording period ...

Страница 18: ...ecording interval 1 sec 8 5 hours 2 sec 17 hours 5 sec 1 5 days 10 sec 3 5 days 15 sec 5 days 20 sec 7 days 30 sec 10 days 1 min 21 days 2 min 42 days 5 min 106 days 10 min 213 days 15 min 319 days 20 min 426 days 30 min 639 days 60 min 1279 days When the alarm log is ON the higher the number of alarms generated the smaller the recording period ...

Страница 19: ...15 1 3 Name and Function of the Parts 1 3 Name and Function of the Parts Front Back Module ID setting dial POWER LED Mark area CH1 terminal CH2 terminal ALARM terminal ...

Страница 20: ...note of the object to measure or the module ID Use an ink pen since pencil lead may rub off CH1 terminal Connect the voltage pulse signal or contact pulse signal to this terminal channel 1 CH2 terminal Connect the current sensor for current pulse signal input 9766 CLAMP ON SENSOR to this terminal channel 2 ALARM terminal Connect alarm output to this terminal This terminal is electrically insulated...

Страница 21: ...17 1 4 Dimension Diagrams 1 4 Dimension Diagrams 96 1 22 5 1 85 1 93 8 1 103 9 1 100 5 1 9 6 0 5 Unit mm ...

Страница 22: ...1 4 Dimension Diagrams 18 ...

Страница 23: ...to 63 You cannot set a number other than the above Settings Chapter 2 2 1 Setting the Module ID Ensure that the set ID is not used for any other module connected to the same communications module The ID numbers of modules need not be consec utive Setting the ID to 99 then turning on the power resets all internal settings to the defaults The module ID and COM ID are not related and can be set indep...

Страница 24: ...2 1 Setting the Module ID 20 ...

Страница 25: ...o the procedure described in the 2391 or 2392 series MODULE BASE instruction man ual 3 1 2 Mounting a Module on the Module Base Mount a module on the module base as shown below Ensure that the lever clicks Preparations Chapter 3 3 1 Installing the Module Do not mount the module base on the ceiling where it may fall off 1 2 ...

Страница 26: ...ten the screws into the terminal block at tightening torque of 0 25 N m 3 Connect the terminal block to the CH1 or CH2 ter minal 3 2 Connecting Input Output Cables Single wire 0 14 to 1 5 mm2 Stranded wire 0 14 to 1 0 mm2 AWG 26 to 16 Cable strip length 5 mm The CH1 and CH2 terminals are not insulated from each other Avoid short circuiting Note that the instrument may be damaged if the applied vol...

Страница 27: ...c environment when using a cable longer than 3 meters 9766 CLAMP ON SENSOR CH2 Connect the extension cable from the 9766 CLAMP ON SENSOR to the CH2 terminal 3 2 1 Connecting to CH1 Terminal voltage contact pulse signals input page 22 Use only the 9766 CLAMP ON SENSOR for cur rent pulse input The clamp sensor connection is irrespective of polarity Attach the clamp around only one conductor Single p...

Страница 28: ...n cable to the 9766 3 Connect the other end of the extension cable to this module 4 Open the clamp core of the 9766 and clamp the connection cable Be sure to lock the clamp The clamp does not have a spring 5 Make sure the clamp core end is closed tightly 9766 CLAMP ON SENSOR Time This module detects very small pulse currents Excessive static electricity near the measuring ter minal or the 9766 CLA...

Страница 29: ... supplied terminal block 2 Insert the cable for alarm output into the terminal block then tighten the screws at tightening torque of 0 25 N m 3 Connect the terminal block to the ALARM terminal Terminal block Cable Terminal block CH1 COM CH2 ALARM terminal Connect the cable for CH1 output to CH1 and COM connect the cable for CH2 output to CH2 and COM CH2 ...

Страница 30: ...4 Connection Locations of Input output Cables CH1 terminal input NC Voltage contact input Not in use Voltage contact input CH2 terminal input NC 9766 input Not in use 9766 input ALARM terminal output CH1 COM CH2 Alarm output Common Alarm output ...

Страница 31: ... 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 voltage current 30 V 20 mA max Signal logic Enabled ON Disabled OFF ...

Страница 32: ...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 When output becomes enabled the switch is turned on and current flows from the output signal to COM in the module Therefore a relay or LED lamp can be connected directly to the output terminal page 29 ...

Страница 33: ...d OR Logic Wired OR output When connecting a relay or LED lamp ensure that the relay or lamp operates at up to 30 V and 20 mA When connecting a relay be sure to use a diode to absorb counterelectromotive force Open collector output operates on wired OR logic by short circuiting CH1 and CH2 More over it enables the signal if an alarm occurs in either channel ...

Страница 34: ...urement points having a potential difference equalize the ground level potential of these two points or use another 2304 20 Module since measurements may be adversely affected CAN bus Power Connector Module base Withstand voltage of 1 4 kVAC Ground Insulation Withstand Voltage of 1 4 kVAC Insulation Withstand Voltage of 1 4 kVAC ALARM Alarm output CH1 CH2 Measurement Input Insulating circuit Analo...

Страница 35: ...o 0 2 V H 1 5 to 45 V Logic in the range from 0 2 to 1 5V is indefinite Contact pulse A pulse is counted when the circuit between the terminals changes from a short circuit to an open circuit Current pulse Detected current range10 to 20 mAp p Pulse width 12 5 ms or more Pulse interval 25 ms or more 40 Hz max Rise fall speed 0 8 ms or less With the 9766 CLAMP ON SENSOR in a magnetic field of 50 A m...

Страница 36: ...Method Interval recording Total number of pulse are recorded at a set recording interval Recorded data One data set contains time temperature and humidity At every interval Recording mode Instantaneous value recording mode Total during the interval Recording end condition Memory full stop or indefinite Set the mode before the start of recording Quantity of recorded data 512 KB Flash memory Instant...

Страница 37: ...data are deleted by a command New data will be added to the previous data at the start of recording Power outage protection After recovering from a power outage the 2304 20 automatically returns to the state held before the outage 5 3 General Specifications Clock accuracy 100 ppm Reference value at temperature from 0 to 50 C without the communications module Backup Recorded data saved in flash mem...

Страница 38: ...tion manual 1 Ferrite clamp 2 Terminal block 3 Option 9766 CLAMP ON SENSOR For current pulse detection Operating temperature and humidity 0 to 50 C 32 to 122 F 80 RH or less non condensating Storage temperature and humidity 10 to 50 C 14 to 122 F 80 RH or less non condensating Operating envi ronment Indoors altitude up to 2000 m 6562 ft Applicable standards Safety EN61010 1 2001 Pollution degree 2...

Страница 39: ...es and pack carefully to prevent dam age in transit Include cushioning material so the instrument cannot move within the package Be sure to include details of the problem Hioki can not be responsible for damage that occurs during shipment When transporting the 2304 20 Module or a sys tem containing this module tape the front of the module or take similar measures to avoid losing internal component...

Страница 40: ...6 2 Servicing 36 ...

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