Herutu TW-800R-SC User manual

Pokayoke Counter TW-800R-SC
Transmitter TW-800T
INSTRUCTION MANUAL V1.30
Please use this operation manual correctly on reading well.
Please keep it carefully to be able to read immediately, when required.

Table of Contents
■Outline ....................................................................................................................................................................1
■Body and Accessories..........................................................................................................................................1
■Safety Precautions (Be Sure to Read This)........................................................................................................3
■Name of Each Part.................................................................................................................................................6
■Installation..............................................................................................................................................................8
Transmitter ...........................................................................................................................................................8
Installing the receiver........................................................................................................................................10
■Setting/Registering .............................................................................................................................................12
Pairing (Registration) - pairing mode..............................................................................................................12
Registering Work in the receiver—Setting change mode.............................................................................13
■Operation..............................................................................................................................................................14
■Specifications ......................................................................................................................................................17
■Dimensions Drawing...........................................................................................................................................18
■Before Determining Fault ...................................................................................................................................20
■After Service and Warranty ................................................................................................................................21

TW-800R-SC/TW-800T
1
Transmitter TW-800T
Receiver TW-800R-SC
■Outline
TW-800R-SC is a receiver with wireless function and a simple counting function.
Receiver[TW-800R-SC] is used one-to-one with various tools equipped with Transmitter[TW-800T].
Once the TW-800T is mounted on the Torque wrench a tool of others with Limit switch (LS), the tightening
completion signal of Torque wrench can be transmitted to each series of our TWF-800R.
When receiving a signal from the transmitter, the count will be reduced by one. When the number of tasks
completed reaches a specified number, the remaining tasks are counted as “0”, and the receiver notifies by sound
and display and a PASS output is generated.
■Body and Accessories
Receiver TW-800R-SC
TW-800R-SC body ×1
AC Adapter ADB24050(Cable 1.5m (4.9ft))

TW-800R-SC/TW-800T
2
Transmitter TW-800T
Extra cost option
・Input Cable for Work-Select TW-SC24-4(1.8m (5.9ft))
・Output Cable for JUDGE TW-SC35-3(1.8m (5.9ft))
・Desktop Stand TW-SCDS01 ・Switch Box for Work-Select TW-WS02(1.5m (4.9ft))
・Harness connector with limit switch TW-800T-HCL
(Please purchase 10pcs/ lot.)
Coin battery: CR2032×1
Mounting screw M4 x L5 x 4pcs
TW-800T body ×1
(Body mounting screw M3 x L7 x 1pc, Harness connector with limit switch
TW-800T-HCL x 1pc）
Mounting bracket x 1
For limit switch
Hexagon socket head bolt M2×L10×2pcs
Flat washer M2 (φ2.2) ×2pcs

TW-800R-SC/TW-800T
3
■Safety Precautions (Be Sure to Read This)
This section describes the matters to be observed in order to prevent harm to the users and other persons
and damages to the property.
■The following marks and displays classify and describe the extent of harm and damage caused by failing
to observe the display content and using this product wrongly.
This display column shows "a failure to do observe it could result in only the
personal injury or property damage".
■Handling this product
●This product is the wireless communication equipment made of precision parts. Do not
disassemble or modify it. Or the accident or fault may occur.
■Use and storage environment
●DO NOT USE OR STORE the product in the following places to prevent defects, malfunction,
deterioration, fire, and electric shock:
・Do not use and store it in places exposed to direct sunlight,
・Do not use and store it in places where liquids, foreign substances, corrosive gases or
combustible gases can enter the product,
・Do not use and store it in places with high humidity or where there is abundant oil smoke,
dust, sand, etc. ,
・Do not use it in an unstable place such as a wobbling table or an inclined plane,
・Do not use it in a place with vibration.
■Specific handling of this product
This product is a radio equipment with certification of construction design.
●It is prohibited by law to disassemble or modify certified devices.
●Do not remove the certification label affixed to the case. It is prohibited to use any product
without the label.
●This product is only available in the countries where the certification is acquired.
This display column shows "a failure to do observe it could result in death or
serious personal injury".
■Handling this product
●Do not use this product for application that requires the extremely high reliability affecting the
human life.
●Do not use this product in the area which the radio wave reaches or not.
! Warning
! Caution

TW-800R-SC/TW-800T
4
■Handling the AC adapter
Be sure to observe the followings in order to prevent the accidents such as heat generation, damage, or
ignition of AC adapter.
●Do not place the AC adapter close to fire or insert them into fire. Or they may be burst and
ignited, resulting in the accident.
●Use the AC adapter and main body only at the specified power supply voltage in order to
prevent burst and ignition accidents.
●Do not use main body at the location where they easily get wet. Or the accidents including heat
generation, ignition, or electric shock and faults may occur.
●Do not touch main body, power cord, and power supply terminal base with wet hands. Or the
accident such as an electric shock may occur.
●Do not damage the power cord of the AC adapter. Short-circuit or heat generation may cause
fire or electric shock.
●Do not use the power supply terminal base with dusts attached. Short-circuit or heat
generation may cause fire or electric shock.
●Do not give a strong shock to theAC adapter.
Or the accident or fault may occur.
●If you find a deformation in the AC adapter, do not use it.
Or the accident or fault may occur.
●Do not charge the main body at the location where the flammable gas is generated.
Or the ignition accident may occur.
●Never disassemble main body. Or the accident or fault may occur.
■If a problem occurs during use
Remove the power plug from the outlet because it may cause fire and electric shock. Request the dealer
or our company to repair it.
●When smoke comes or there is a strange smell, immediately stop usage and remove the
power plug from the outlet because it may cause fire and electric shock. Request the dealer or
our company to repair it.
●Do not use this product when its AC adapter cable or the power switch of the main unit is
damaged.
Using the cord damaged continuously may cause fire or electric shock.

TW-800R-SC/TW-800T
5
■Notes on the Radio Law
〇The wireless device used for this product is certified as a specific radio device for a radio equipment of a low power
data communication system based on the Radio Law. Therefore, a radio station license is not required to use this
product.
〇This product can be used only in Japan or countries where required certification is acquired. In the case that it is
used in other countries, this product may be damaged or it may damage other equipment. It also may conflict with the
laws of that country. Please contact our sales department for the countries that the product is certified other than Japan.
〇Do not use this product near any person using cardiac pacemaker. The cardiac pacemaker may be disturbed by
electromagnetic wave, which may cause risk of life.
〇Do not use this product near any medical equipment. The medical equipment may be disturbed by electromagnetic
wave, which may cause risk of life.
〇Do not use this product near any microwave oven. Electromagnetic wave from microwave oven may disturb radio
communication.
〇The wireless device of this product is certified under the Radio Law, so that DO NOT disassemble or remodel this
product.
■Notes on radio interference of 2.4 GHz radio
When communicating with 2.4 GHz band wireless products, pay attention to the following points.
In this product’s frequency band not only industrial, scientific and medical equipment such as microwave ovens but also
local radio stations for mobile objects identification (which require the license), specified low-power radio stations
(license not required), and amateur radio stations (license required) can be in operation.
〇Before using this product, make sure that there are no local radio stations for mobile objects identification, specified
low-power radio stations and amateur radio stations operating nearby.
〇In event that harmful interference occurs to any radio station by the radio wave from this product, stop using it
immediately and consult with us about avoiding interference.
〇Also contact us in case of any trouble such as harmful radio interference to specified low-power radio stations for
mobile objects identification or amateur radio stations.
■FCC/IC Warning (TW-800T, TW-800R Common)
Information about FCC Standard.
FCC CAUTION
Change or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interface, and (2) This device must accept any interface
received, including interface that may cause undesired operation:
Information about FCC Standard and IC standard.
This device complies with Part 15 of FCC Rules and Industry Canada licence-exempt RSS standard(s).
Operation is subject to the following two conditions: (1) this device may not cause interference, and (2)
this device must accept any interference, including interference that may cause undesired operation of
the device.
Le présent appareil est conforme aux la partie 15des règles de la FCC et CNR d'Industrie Canada
applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions
suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter
tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le
fonctionnement.

TW-800R-SC/TW-800T
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■Name of Each Part
●Transmitter TW-800T
①Mounting bracket
Mounting bracket for mounting on the torque wrench.
②Mounting brackets/
Mounting holes
The hole is for mounting the base of torque wrench of LS type and seat.
③Body case
The case is constructed from a durable material: polypropylene.
④LED (Red/ Green)
LED is for confirmation of communication and battery level notification. Depend on
the situation, LED is lighting and flashing.
⑤Test switch
(Pairing switch)
For Test switch and paring switch.
⑥Body mounting
screw
The screw is for mounting main body and mounting bracket.
⑦Limit switch
Limit switch is for input the signal from torque wrench.
It is fixed the mount base of torque wrench by hexagon screw.
⑧Battery
Battery is coin battery. Type is CR-2032
①
⑦
②
③
④
⑤
⑥
⑧

TW-800R-SC/TW-800T
7
●Receiver TW-800R-SC
①7SEG-LED display
(2-digit)
7SEG-LED displays the count value and various setting values.
②Receiver (RX) LED
The LED lights green when the receiver receives the signal from the transmitter.
The display varies depending on each mode.
・Green LED blinks at 50ms intervals: pairing mode
・Lit in red：When setting the count value
・Lit in blue：When setting the reset time
③REG. key
The key is used to set Count value, Reset time and Over time.
④RESET key
The key resets the count value, count setting and status such as FAIL judgment.
⑤POWER key
Power ON → Press the POWER key for 0.1 seconds or more.
Power OFF → Press the POWER key for 2 seconds or more.
⑥Buzzer
The buzzer sounds according to each state.
・Task in progress：“ping” (1 time 100ms)
・PASS：Pi pi pi (3 step melody sound)
・FAIL(Over count)：bleep bleep bleep・・・
⑦Setting (UP/DOWN) key
The key is used to set Count value, Reset time and Over count value.
Operation of that key will be invalid while in count mode.
⑧JUDGE LED
The LED color changes according to the type of Judge.
・Lit in blue：PASS
・Lit in yellow：Task in progress
・Lit in red：FAIL(Over count)
⑨Power jack
Connect the included AC adapter.
⑩Buzzer adjustment
volume
Adjust the buzzer volume with the control volume of the receiver.
⑪Work-Select input
This is the input jack for selecting the registered Work.
When using the Work-Select input, use the optional switch BOX for
Work-Select, TW-WS02 or the input cable for Work Select, TW-SC24-4.
⑫Judge output
This is the output jack for Judge output.
For use of the Judge output, use the optional output cable for Judge,
TW-SC35-3.
①
⑨
②
⑦
⑤
④
⑥
③
⑧
⑩
⑪
⑫

TW-800R-SC/TW-800T
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■Installation
Transmitter
Transmitter is used by attaching to various kinds of tools such as torque wrench, plier wrench, check pen, battery
tool etc. As plier wrench and check pen are original products of Herutu Electronics, basically it is shipped with
transmitter attached.
The torque wrench can be attached to the following manufacturer's products.
TOHNICHI Mfg. Co., Ltd.：LS type（QLLS, QSPLS, etc.）
Nakamura Mfg. Co., Ltd.：MBtype（N-SPK-MB, N-QSPK-MB, etc.）
For other tools installation please contact sales department.
<Installation the transmitter to torque wrench>
①To install the seat
Fix the Seat with four fixing screws.
For the application with heavy oil mist, fill up the caulking agent between Wrench seat and Seat and also
betweenWrench shaft and Wrench seat to protect the internal board.
②Fix the Transmitter Limit SW with two hexagon socket head bolts(which was removed).
Verify that the moving range of wrench lever is well suited for the movement range of switch during the wrench
in movement.
The hexagon socket head bolt requires a washer.
Hook the Transmitter on the Case holder of Seat, set it with an attention being paid not to bite the cord, and fix it
with the set screw as firmly pushing the case.
Apply the screw locking agent
onto the 2 to 3 threads of screw
edge.
Apply the screw locking agent on 2 to 3 threads of
hexagon socket head bolt.
Wrench lever
It hooks on a case fixed nail
×４

TW-800R-SC/TW-800T
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<The attention and the check method on limit switch attachment>
When the lever working range of a torque wrench is small, a limit switch cannot be struck and a transmitter may
not send. In limit switch attachment, be careful enough and carry out.
<Installing and removing the battery>
●Installing the battery
First, with the “positive (+) terminal” of the coin battery (CR2032) facing up, insert the battery into the gold plated
terminal of the battery holder , as shown in Fig. 1 below.
Push the battery so that it is secured by two catches in the plastic part of the battery holder until the battery snaps
into place.
●Removing the battery
When removing the coin battery for replacement or other reasons, slide a not sharp-edged object between the
battery and battery holder and gently lift the bottom of the battery, as shown in Fig. 1 below. As shown in Fig. 2
below, the battery can be slid out of the battery holder through the tab of the gold –plated terminal.
Gold plated terminal
①
②
①
②
Two catches in the
plastic part
(Notes!)
Be sure to insert the battery into the gold
plated terminal first. Inserting the battery into
the plastic part first may damage the gold
plated terminal.
The battery is slid out of the holder through the tab of
the gold –plated terminal.
(Notes!)
Care should be taken not to disconnect the limit switch cable of TW-800T while installing or
removing the battery. It is advised to remove the limit switch cable from the connector before
installing or removing the battery.

TW-800R-SC/TW-800T
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< Replacing the harness connector with limit switch (TW-800T-HCL) >
When replacing the harness connector with limit switch, remove the coin battery and perform the replacement
procedure, as shown below.
Installing the receiver
①Install the receiver in a location where it can be seen well from the transmitter and can receive radio waves stably.
②Connect the AC adapter plug to the power jack.
③As necessary, connect a signal line to “Judge output” or “Work-Select input”.
●Judge output(PASS/FAIL output)
The PASS /FAIL output is an open collector output. When the output turns ON, a short circuit occurs between
each terminal.
Be aware that the internal circuit may be damaged when the contact rated load is exceeded.
For use of the Judge output, use the optional output cable for Judge, TW-SC35-3.
Rated load voltage: DC 24V
Rated load current: 0.1A
Contact structure/configuration: Open collector
Connector: Small signal-head plug; diameter 3.5mm (0.14"), 3-pole type
①
②
3：PASS output
2：FAIL output
1：GND
Pull the cable portion near the connector horizontally to let the
connector mating portion come off from the connector.
(Notes)
Remove the cable from the connector carefully. Pulling the
cable up may distort the connector mounted on the substrate
and result in damage to the connector.
Push the white connector portion of a new harness connector
with limit switch using the tip of the fingernail and insert it into
the TW-800T connector. Push in the connector firmly until it
snaps into place. Make sure the direction of the connector is
correct before inserting the connector.
(Notes)
Do not attempt to apply excessive force to the cable when
connecting the connector.

TW-800R-SC/TW-800T
11
●Work-Select input
The input type is a non-voltage contact input. Connect the input signal to the low chattering switch for turning
ON/OFF DC9V/10mA stably or PLC.
When using the Work-Select input, use the optional switch BOX for Work-Select, TW-WS02 or the input cable for
Work Select, TW-SC24-4.
* For controlling Work-Select using a PLC (programmable logic controller), it is recommended to use the input
cable for Work Select, TW-SC24-4.
Non-voltage Contact-inputs: 3Bit+COM
(Photo coupler input)
Contact rating: DC 9V /10mA or more
Connector: Very small signal-head plug; diameter 2.5mm (0.1"), 4-pole type
Selected work
Input Cable for Work-Select TW-SC24-4
(Terminal number)
1
2
3
Work1
OFF
OFF
OFF
Work2
ON
OFF
OFF
Work3
OFF
ON
OFF
Work4
ON
ON
OFF
Work5
OFF
OFF
ON
Work6
ON
OFF
ON
Work7
OFF
ON
ON
Work8
ON
ON
ON
6：Work-IN3
4：Work-IN2
2：Work-IN1
1：GND

TW-800R-SC/TW-800T
12
■Setting/Registering
The transmitter and the receiver need to be paired before use.
By pairing them, they recognize an identification signal from each other and communicate with each other.
Pairing (Registration) - pairing mode
①With the receiver turned off, press the [POWER] key while pressing and holding the [REG.] key of the receiver.
Release the keys shortly after pressing them.
The Receiver LED blinks in green and the receiver enters the pairing mode for 10 seconds.
*Be aware that pressing the [REG.] key too long prevents entry into the pairing mode.
②Long press the pairing switch of the transmitter for 3 seconds or more.
③When the Receiver LED turns off blinking (green) and the receiver enters the count mode, the pairing is completed.
When the Receiver LED stops blinking (green) and lights up (green), this indicates that the pairing has failed. Turn
OFF the receiver power and start the procedure again.
●Reset pairing
①With the receiver turned off, Press the [POWER] key while pressing and holding the [REG.] key of the receiver.
Release the [POWER] key only immediately.
②When long pressing the [REG.] key for 2 seconds or more, the Receiver LED stops blinking (green) and lights up
(green) and the transmitter registered for pairing is deleted from the receiver.
*When the transmitter is not registered in the receiver, turning ON the power displays “-” instead of a numerical value,
as shown below. (Count mode)
◆Notes
●A long press on the pairing switch of transmitter (3 seconds or more) when the receiver is not in the pairing
mode resets the pairing with the receiver and prevents communication with the registered receiver. When pairing
is reset by mistake, perform the pairing procedure again.
Pairing switch (Test switch)
Receiver (RX) LED
REG. key
POWER key

TW-800R-SC/TW-800T
13
Registering Work in the receiver—Setting change mode
Register Count/ Reset time/ Over count as a “Work” in advance. Up to 8 types of Work can be pre-registered.
Count: A signal received from the transmitter is counted as 1 count.
Reset time: Indicates the time when the count returns from “0 (zero)” to the original value after counting is
completed.
Over count: Selection to judge FAIL for the signal received from the transmitter when the count is “0”.
Work registration details
Count
1 –99 counts
Reset time
0 –99 seconds
Over count
Valid/ Invalid
①Long press the [REG.] key in the count mode for 3 seconds or more.
(The receiver cannot enter the setting change mode during a task.)
②The Receiver (RX) LED lights up in red.
Set the counter to the desired count using the setting [UP/DOWN] keys.
Count：1～99
③When the [REG.] key is pressed, the Receiver (RX) LED lights up in blue.
Set the counter to the desired reset time using the setting [UP/DOWN] keys.
Reset time：0～99
④When the [REG.] key is pressed, the Receiver (RX) LED lights up in yellow.
Set the counter to the over count value using the setting [UP/DOWN] keys.
Over count Valid→1 /Invalid→0
⑤Finally, press the [REG.] key, and the registration is completed.
Up to 8 types of Work can be registered. Switch to the Work to be registered in Work-Select, and perform the
same procedure as described above.
Count→Lit in red
Reset time→Lit in blue
Over count→Lit in yellow

TW-800R-SC/TW-800T
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Receiving a signal
from the transmitter
♪(bleep bleep bleep・・・・・)
♪(Pi pi pi)
♪(ping)
After the reset time is reached, the count returns to the original count value
automatically. When the reset time of 0 second, push the reset button.
♪(ping)
♪(ping)
Receiving a
signal from the
transmitter
Receiving a
signal from the
transmitter
Receiving a signal
from the transmitter
Select a Work from the
external input.
The count pre-registered
for the Work is displayed.
The JUDGE LED is yellow
during a task.
When the task is completed, the
JUDGE LED turns blue and the PASS
output is generated.
< Over counting is valid >
The JUDGE LED turns red and FAIL
output is generated.
This can be reset only by pressing
the reset button.
■Operation
●Power ON/OFF
Power ON → Press the POWER key for 0.1 seconds or more.
Power OFF → Press the POWER key for 2 seconds or more.
●Work flow (count mode)
State
JUDGE LED
Buzzer
PASS output
FAIL output
Before the
task
OFF
-
-
-
Task in
progress
Yellow
Each time a signal is
received, the sound “ping”
is generated.
-
-
PASS
Blue
Pi pi pi
100ms output
-
FAIL
Red
bleep bleep bleep
Synchronize with JUDGE
LED
-
100ms output
POWER key

TW-800R-SC/TW-800T
15
●Buzzer volume adjustment
Adjust the buzzer volume with the control volume of the receiver.
●Test switch (pairing switch)
The transmitter is equipped with a test switch for communication and battery voltage checks. The Receiver (RX)
LED is triggered by a signal from the test switch, but countdown and output is not executed. When the test switch
is pressed, the transmitter checks the battery remaining capacity. The result is indicated by the Transmitter LED
or the Receiver LED.
The test switch also can be used as a pairing switch. A long press on the test switch (3 seconds or more) resets
the pairing with the receiver and prevents communication with the registered receiver. When pairing is reset by
mistake, perform the pairing procedure again.
Transmitter
Receiver
Communication check
OK：Green LED blinks 1 time
NG：Red LED blinks 10 times
Receiver(RX) LED blinks 1 time
Battery level low
Red LED: Lighting for 1 second
Receiver(RX) LED blinks 2 times
*After display of the communication check result (Communication OK/ NG), the transmitter indicates battery
level low.
Test switch (pairing switch)
Buzzer adjustment volume

TW-800R-SC/TW-800T
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●Battery level notification function
The battery level notification function notifies the battery level status in two stages.
①Notification of low battery level with test switch: It is possible to check the battery level with the test switch.
When the battery is low, the red LED will light for 1 second.
②Battery replacement notice: If the battery level is lower than in ①and the battery needs to be replaced,
the green LED flashing after transmission will change to an orange LED flashing.
When the orange LED blinks, please replace it with a new battery immediately.
When you replace the battery with a new one, the LED on the transmitter will return to green from the second
and subsequent transmissions.
For transmitters that support the battery level
notification function(battery replacement notice),
■is printed on the sticker.

TW-800R-SC/TW-800T
17
■Specifications
●TW-800 Common specification
Item
Specifications
Compliance Standards
2.4GHz Low Power Data Communication System
Radio Equipment of Certification Regulation Article 2, Paragraph 1 Item 19
Radio Equipment RegulationsArticle 20 of 49 Paragraph 1
Radio format
F1D
Frequency Band
2,403MHz～2,478MHz
Number of Channels
76CH
Modulation Method
GFSK
Communication Method
Simplex
Antenna Power
2.1mW
●Transmitter TW-800T
Item
Specifications
Input(s)
1 Limit Switch 1 Test Switch
Display
1 LED (Red/Green)
Power Source
1 Coin Battery (CR2032)
Operating Environment
Temperature: 0-50℃(32-122℉)Humidity: 80% or less (without condensation)
External Dimensions
(W x H x D)
34 x 71 x 17.5 ｍｍ (1.3 x 2.8 x 0.7”) (excluding protrusions)
Weight
Approx. 40 g (1.4 oz)
Antenna
PCB Antenna
Battery Life
Approx. 300,000 uses (depending on usage conditions)
●Receiver TW-800R-SC
Item
Specifications
Output(s)
Small signal-head plug; diameter 3.5mm (0.14"), 3-pole type
2 Power Transistor Outputs (1 PASS / 1 FAIL)
Rated Load DC 24V / 0.1A
Input(s)
Very small signal-head plug; diameter 2.5mm (0.1"), 4-pole type (3bit+COM)
Photo coupler input 3 Non-voltage Contact-inputs (for Work-Select)
Switches
5 Touch Keys; Power / REG. / RESET / ▲(UP) / ▼(DOWN)
Buzzer
Piezo Buzzer 95dB (at 0.1 m (3.9”))
Display
7-Segment LED 2-Digit
((W x H) 27 x 50 mm (1.1 x 20.”) per digit)
JUDGE LED : Red/Blue/Yellow
Receiver LED : Red/Blue/Yellow
Power Source
AC 100-240 V (using includedAC Adapter)
Current Consumption
120mA or less
Operating Environment
Temperature: 0-50℃(32-122℉)Humidity: 80% or less (without condensation)
External Dimensions
(W x H x D)
150 x 100 x 30 ｍｍ (5.9 x 3.9 x 1.2”) (excluding protrusions)
Weight
Approx. 250 g (8.8 oz)
Antenna
Chip Antenna