Chino KR2S User manual

INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
－Request to instrumentation engineers, constructors, and sale agents －
Make sure to deliver this instruction manual to the operator of this instrument.
－Request to the operator of this instrument －
This instruction manual is necessary for maintenance, too. Keep this manual
with care until the instrument is discarded.
Graphic Recorder
KR2S/KR3S
【Wiring/Installation】
Thank you for purchasing the KR series graphic recorder.
Before using your new recorder, please be sure to read this instruction manual that will advise
you on how to use the instrument correctly and safely and how to prevent problems.
Instruction Manual

INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual

INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
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PREFACE
Thank you for purchasing the KR series graphic recorder.
Before using your new recorder, please be sure to read this instruction manual that will advise you
on how to use the instrument correctly and safely and how to prevent problems.
Product warranty scope
This product is warranted for one year from the date of delivery. If it is damaged during the
warranty period, when used normally based on the cautions in the instruction manual labels
attached to the product, etc., it will be repaired without any charge (only in Japan). In the case,
we are sorry to trouble you, but please contact your dealer or nearest our sales office.
However, in cases of the followings, it will be repaired at your expense even during warranty
period.
1. Failure or damage caused by improper use or connection, or invalid repair or modification.
2. Failure or damage caused by fire, earthquake, wind or flood, thunderbolt, or other
extraordinary natural phenomena, or pollution, salt, harmful gas, abnormal voltage, or use of
unspecified power.
3. Replacement of parts or accessories that have reached the end of their life.
Furthermore, the term ‘warranty’ in this sense covers only a CHINO’s product itself. Therefore,
we are not responsible for compensation for whatever the damage that is triggered by failure of
our product.
Important notes for users
1. No part of this manual can be reproduced or copied in any form without permission.
2. The contents of this manual may be altered without prior notice.
3. This manual has been documented by making assurance doubly sure.
However, if any question arises or if any error, an omission, or other deficiencies are found,
please contact your nearest CHINO’s sales office.
4. CHINO is not responsible for any operation results of this software.
Attention while unpacking
1. Do not drop the recorder while taking it out of the box.
2. When transporting this recorder, pack the instrument in the original box and then put it with
cushions in another box. We recommend keeping the original box for transport.
3. When not using the recorder for a while after taking it from the panel, put the recorder in the
original box and store at room temperature and in a dust free atmosphere.
･All company names and product names in this manual are trademarks or registered
trademarks of their respective companies.
･Please note that the marks “TM” and “®” are omitted throughout this manual.

INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
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Disposal
Disposal
Separate the box, plastic bags, and cushioning materials the recorder is packaged in according
to the garbage collection method of the each community, and please cooperates to recycle.
Warning
A small amount of hazardous substance below the specified level
with RoHS directive is included in this recorder.
When disposing the recorder always request a professional to do
it or dispose it in accordance with local regulations.
This recorder includes a lithium battery. When disposing the
lithium battery, first remove the battery and always request a
professional to do it.
Caution
Perchlorate Material
This instrument uses battery with Perchlorate Material.
Special handling may apply, see
http://www.dtsc.ca.gov/hazardouswaste/perchlorate
Battery removal method
Do not replace the battery. Doing so might cause damage or malfunction. Do not remove the
battery, except when disposing the recorder.
<KR2S>
(1) Open the cover and remove the 2 retaining screws.
(2) Pull the bottom of the front display panel toward you and lift up to remove the front display.
(3) The front display is connected to PWB-B by 1 type of cable. Disconnect it.
(4) Remove the 2 retaining screws holding Bracket and pull it out.
(5) Remove the 2 screws holding PWB-A, and pull it toward you.
(6) Remove the 1 screws holding PWB-B, and pulls it toward you.
(7) The battery holder is attached to the underside of PWB-B. Lift the front of the battery with a
tool having a nonconductive tip and pull the battery out of the holder.
Bracket
PWB-B
PWB-A
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INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
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<KR3S>
(1) Open the cover and remove the 2 retaining screws.
(2) Pull the bottom of the front display panel toward you and lift up to remove the front display.
(3) The front display is connected to PWB-B by 1 type of cable. Disconnect it.
(4) Remove the 2 screws holding PWB-A, and pull it toward you.
(5) Remove the 1 screws holding PWB-B, and pulls it toward you.
(6) The battery holder is attached to the underside of PWB-B. Lift the front of the battery with a
tool having a nonconductive tip and pull the battery out of the holder.
Disposal of this recorder
This section describes disposal method of this recorder subjected to the condition stated in
Directive on Waste Electrical and Electronic Equipment (hereinafter referred to as WEEE)
[2002/96/EC]. This directive is valid only in European Union.
●Marking
This recorder is governed and constructed by WEEE [2002/96/EC]
marking requirement. Attached label indicates that this electrical and
electric equipment must not dispose as general household waste.
●Product category
With the reference to the equipment types in WEEE [2002/96/EC] ANNEX I, this recorder is
classified as a “Monitoring and control instruments”. Do not dispose as general household waste.
When disposing discarded recorder, please contact local CHINO sales agent.
PWB-B
PWB-A

INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
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Table of Contents
PREFACE............................................................................................................................................................ 1
Table of Contents................................................................................................................................................. 4
1For safe use .................................................................................................................5
1-1 Preconditions for use..................................................................................................................................... 5
1-2 Labels on this instrument.............................................................................................................................. 5
1-3 Symbols in this manual ................................................................................................................................. 5
2Before use ....................................................................................................................8
2-1 Exterior check................................................................................................................................................ 8
2-2 Model check................................................................................................................................................... 8
2-3 Checking attachments................................................................................................................................. 10
3Installation .................................................................................................................12
3-1 Mounting location ........................................................................................................................................ 12
3-2 External dimensions.................................................................................................................................... 13
3-3 Method of mounting the panel .................................................................................................................... 14
4Connections ...............................................................................................................16
4-1 Terminal board arrangement....................................................................................................................... 16
4-2 Precautions while connections.................................................................................................................... 19
4-2-1 Power supply.....................................................................................................................................................19
4-2-2 Keep the input/output connections away from a high voltage power circuit.....................................................19
4-2-3 Keep the thermocouple input away from a heat source....................................................................................19
4-2-4 Keep all connection cables away from noises...................................................................................................19
4-2-5 Use crimp style terminals...................................................................................................................................19
4-2-6 Unused terminals...............................................................................................................................................20
4-3 Connection of power and protective conductor terminals.......................................................................... 21
4-3-1 Power and protective conductor terminals........................................................................................................21
4-3-2 Connection of power terminals..........................................................................................................................22
4-3-3 Connection of protective conductor terminal.....................................................................................................22
4-4 Connection of measuring input terminals ................................................................................................... 23
4-4-1 Measuring input terminals .................................................................................................................................23
4-4-2 Connections of DC voltage (current) input........................................................................................................23
4-4-3 Connection of thermocouple (TC) inputs...........................................................................................................23
4-4-4 Connection of resistance thermometer (RTD) input..........................................................................................24
4-5 Connection of alarm output terminals (Option)........................................................................................... 25
4-5-1 Alarm output terminal.........................................................................................................................................25
4-5-2 Connections.......................................................................................................................................................26
4-5-3 Precautions for connection................................................................................................................................27
4-6 Connection of digital input terminals and function selection (Option)........................................................ 28
4-6-1 No-voltage contact input terminal......................................................................................................................28
4-6-2 Connections.......................................................................................................................................................29
4-6-3 Functions of terminals........................................................................................................................................29
4-7 Connection of communication I/F terminal (Option)................................................................................... 30
4-7-1 Connections of High order communication RS-485..........................................................................................30
4-7-2 Connections of low order communication RS-485............................................................................................31
4-7-3 Ethernet wiring...................................................................................................................................................32

INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
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1For safe use
This section “For safe use” has been compiled to promote the correct use of the instrument in order to
prevent human injury or damage to property before they occur. If this instrument is used other than
description of this document, protection provided by the instrument may be vitiated. Please read the
following information carefully and be sure to observe the warnings and cautions in it.
1-1 Preconditions for use
This instrument is a component type general product to be mounted on an indoor instrumentation
panel. Do not use this instrument in different situations (except for portable type).
Before using this instrument, ensure the system safety by taking appropriate measures such as
fail-safe designing and periodic maintenance for the equipment to which this instrument is
installed. Connection, adjustment or operation of this instrument should be performed by a
professional engineer with knowledge of instrumentation.
Also, a person who handles this instrument should read this instruction manual to fully
understand the cautions and basic operations.
1-2 Labels on this instrument
The following labels are used for safe use.
Label
Name
Meaning
Alert symbol mark
Indicates the location which should refer to the
manual in order to prevent an electric shock and
injury.
Protective conductor
terminal
A terminal is provided for connection to the
protective conductor of the power supply facility for
the prevention of an electric shock.
1-3 Symbols in this manual
The cautions to be observed for preventing the damage of this instrument and unexpected
accidents are sorted by the following symbols according to their importance degrees for enabling
operators to use this instrument safely.
Warning
The nonobservance of information under this symbol may result in
hazardous, critical or serious injury to the user.
Caution
The nonobservance of information under this symbol may result in a
hazardous situation or a light injury to the user or in physical
damage to the property.
Remarks
This symbol shows a caution when the instrument dose not function as specified
or when such a possibility exists.
Reference
This reference servers as a supplement for handling and operation, and it may be
convenient for the user.
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INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
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Warning
This paragraph covers important warning for safety to be observed
before reading the instructions. Fully understand the following
warning before reading this manual. These warnings are important
for preventing the damage to human bodies as well as accidents.
Switch and overcurrent protective device
This recorder is not provided with a
replaceable overcurrent protective device.
Prepare a switch and an overcurrent
protective device for the power supply
(circuit breakers, circuit protectors or the
like) within 3m of this recorder in a location
where the operator can access easily Use a
switch and an overcurrent protective device
conforming to IEC947-1 and IEC947-3.
Be sure to ground this instrument
Before turning the power on, connect the protective conductor terminal of this recorder to the
protective conductor of the power supply facility. In order to prevent an accident by electric shock, do
not disconnect this connection during operations.
Before turning on the power supply
In order to ensure safety, before turning on the external power switch, make sure that the power
voltage is within the range indicated on the power supply label.
Don't repair or modify this instrument
Make sure that any persons other than service engineers approved by CHINO CORPORATION do
not repair or modify this instrument by replacing parts. Otherwise it may be damaged or will not
function normally or an accident such as electric shock and burn may occur by putting your hand and
a tool in the internal unit. For ordinary operation, it is not necessary to pull out the internal unit.
Use this recorder following this instruction manual
Use this recorder correctly and safely by following this instruction manual. CHINO CORPORATION
will not be responsible for any injury, damage, lost profit or any other claim, which may result from
its wrong use.
！
To the protective
conductor of power
supply facility
Switch
Overcurrent
protective device
(250V 3A)
LN
Power supply
Power terminal /
Protective
Conductor terminal
Power terminal/
Protective conductor
terminal
100-240VAC
50/60Hz 35VA MAX
100-240VAC
50/60Hz 60VAMAX
<KR2S>
<KR3S>
Power supply label
Power supply label

INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
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Installing the safety device
Regarding the use of devices that anticipates a big loss due to failure of this instrument, always
install a safety device for preventing these losses and implement fail safe design in the final
instrumentation. Do not use this instrument in important in facilities related to, human life, atomic
energy, aviation and space.
Turn off the power supply if an abnormal symptom occurs
Turn off the power supply immediately and contact your local CHINO’s sales agent if any abnormal
odor, noise or any smoke occurs, or if this recorder becomes high temperature that is too hot to be
touched.
Remarks
■Fuse in the power supply
The following fuse is mounted in the power supply unit of this recorder for safety use.
However, this fuse is not replaceable
<KR2S>Maker: Nippon Seisen Co., Ltd Model: SLT 250V2.5A
<KR3S>Maker: Littelfuse, Inc Model: 215 250VT3.5AH

INST.No.INE-882A KR2S/KR3S【Wiring/Installation】Instruction Manual
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2Before use
Check the following items before using the recorder. If something is wrong, contact your local CHINO's
sales agent.
2-1 Exterior check
Check that the instrument is not broken on the outer side.
2-2 Model check
The model number and serial number of this recorder can be confirmed by the label on the upper side
of the case.
Check the model of your instrument from the model code before use.
Model code
KR2S□P‐□□□
Measurement point/ Measuring period
6: 6 points/1 sec.
2: 12 points/1 sec.
Communication interface (Option)
N: None
E: Ethernet
R: Low/high order communications (RS-485)
G: Ethernet + low/high order communications (RS-485)
Alarm output, Contact input (Option)
0: None
2: Mechanical relay output (4 points ‘c’ contact)
7: No-voltage contact input (4 points)
8: Mechanical relay output (2 points ‘c’ contact) + No-voltage
contact input (2 points)
Installation type
A: Panel mounting type
T: Portable type (Grip and rubber feet attached)
*If the recording cycle is set less than 0.5 seconds (0.1 to 0.5 seconds), input channel point becomes 4
points automatically.
Model (Check with model code.)
Serial No.
KR2S**-***-***
K***********
MADE IN JAPAN