Kett PT-2700 User manual

On-Line Grain Moisture Tester PT-2700
(Type 2751)
(Type 2752)
Operating Manual

On-Line Grain Moisture Tester Safety precautions
The On-Line Grain Moisture Tester may cause accidents (such as property damage) if safety precautions are not
followed.Also, due to it being equipped with a motor, injuries may result.
■Please follow safety precautions
Read the safety precautions in the operating manual carefully.
■Please do not use the device if it is not working properly
If the tester has been damaged or is not working properly, be sure to consult our repair service.
■What the warning signs and symbols indicate
In order to prevent accidents due to improper handling of the device, the following signs and symbols have been
used in the operating manual and on the device itself. Indications:
WARNING Indicates risk of injuries to user or damage to property if this sign is ignored and the
device is improperly handled.
PRECAUTION Indicates risk of injuries to user or damage to property if this sign is ignored and the
device is improperly handled.
CAUTION Indicates information the user needs to understand to use the device safely.
Signicant symbols Deterrent symbols Symbols for taking action
Fire Prohibited Do not get wetElectric shock Do not
disassemble
Unplug from
outlet
Being caught
in machinery
Required Connect
ground
WARNING
● Usethedevicewithonlyspeciedvoltagefromthepowersource.Excessivevoltageoverheatsthe
device,causingbreakdownorre.
● Besuretoconnectthegroundwiretothegroundatthepowersource.
● Usethespeciedcapacityandtypeoffuse.Whenreplacingit,rstunplugthepowercord.Usinga
fuseotherthanthefusespeciedcarriesariskofre,etc.
● DonotdisassembleoraltertheOn-LineGrainMoistureTester.Doingsomaydamageit,orcause
electric shocks or injuries. If it is suspected that the tester has been damaged, contact our repair
service.
● Becarefulnottogetthetesterwet.Itisnotwaterproof.Gettingwaterinsidethedevicemaycause
damage or electric shocks.
● Donotremovethemoisturesensorwhilemeasuring.Youmayunwittinglytouchtherotorandinjure
yourself.
PRECAUTION
● When plugging in or unplugging the power cord, hold the plug and pull instead of pulling the
cord.
● Unplugthepowercordfromtheoutletwhenthetesterisnotbeingused,orwhenthereisadanger
of a lightning strike.
● Whensignsofdangerappear(i.e.,offensivesmell,smoke,re),takeappropriateaction(unplugging
power cord, etc.).
● Donotturnonthepowerwhilepressingthecontrolkeys.  
● Pressonlythespeciedkey(s),anddonotpressanyotherkeycombinations.

1. Features,IdenticationviewandAccessories.................................... 4
2.ConnectingthePT-2700,PU-356,andexternaldevices .................... 5
3. Display and key functions ................................................................... 6
3-1. Display......................................................................................... 6
3-2. Key functions............................................................................... 7
4.Specications ..................................................................................... 8
5. Preparing for measurement ................................................................ 9
5-1. Turning on the power................................................................... 9
5-2. Settings ....................................................................................... 9
5-2-1. Selecting measureing product to be measured ................. 9
(applies only to PT-2752)
5-2-2. Setting the moisture level for automatic stop................... 10
5-2-3. Setting the manual measurement mode ......................... 10
5-2-4. Setting the cool-down time ..............................................11
5-3. Checking PU-356 circuits...........................................................12
5-4. Installation ..................................................................................12
6. How to measure.................................................................................13
6-1. Measuring the temperature ........................................................13
6-2. Manual measurement................................................................ 14
6-3. Automatic measurement............................................................ 15
6-4. Resetting ................................................................................... 16
7. Communicating to computer ..............................................................17
8. Error display...................................................................................... 18
Contents

4
1. Features, Identication view and Accessories
1-1. Features
(1) The PT-2700 can be mounted on a dryer or on a measuring scale at a grains unloading
station, and continuously measure moisture.
(2) Quickly measure with easy operations.
(3) In “automatic” mode, the device takes measurements while controlling the dryer.
(4)Manualmeasurementcanbestartedfromaconnectedexternaldevice.
1-2. Part identication
Metalttings
(See P.12 “5-4. Installation”)
Connecting cable with temperature sensor
Moisture sensor “PU-356”
<Main unit>
<Accessories>
Display
Keyboard
Operating manual
On-Line Grain Moisture Tester PT-2700
(Type2751)
(Type2752)
Operating Manual

5
ConnectthePT-2700,PU-356andexternaldevices(e.g.,adryer)asinthegurebelow.
2. Connecting the PT-2700, PU-356, and external devices
Pull the wires around as in the figure on
the left.
Af ter connecting the wires, attach the
cover to the terminal block.
PU-356
Yellow(24V)
Green(GND)
Black(TX)
Red(RX)
White(SG)
TUBE(SHIELD)
Connecting cable with
temperature sensor
Computer /
printer
Switch /
relay
Oil supply
unit
Power
supply /
fan unit
Dryer
*to Relay
(250VAC, 5A Normal Close)
*to Relay
(250VAC, 5A Normal Close)