Gemo DT900 User manual

GEMO DT900 / DT721 / DT481 / LT102J / LT102K
TEMPERATURE CONTROLLER
Attention High Voltage, Double / Reinforced NOT CE Mark
Risk of Danger, Risk of Insulation Litter
Warning Electric Shock
TECHNICAL SPECIFICATION
•Dimensions : DT900:96x96, DT721:72x72, DT481:48x48mm, LT102J/K:35x77mm
•Panel Cut-out : DT900:91x91, DT721:68x68, DT481:45,5x45,5mm, LT102J/K:29x71mm
•Display : 3 Digits 7 Segment
•Sensor Type : Fe-Const, J type T/C or NiCr-Ni, K type T/C
•Measuring Scale : 0 .. 600
o
C (J type) or 0 .. 999
o
C (K type)
•SET interval : 0 .. 600
o
C (J type) or 0 .. 999
o
C (K type) (limited by Up.L value)
•Hysteresis Interval : 0 .. 50
o
C
•Resolution : ± 1
o
C
•Accuracy : ± 0.3 % (Over full scale)
•Control Form : ON-OFF
•Out Output : Relay (NO + NC), 250VAC, 2A, Resistive load, (optional SSR)
•Cold. Junc. Comp. : 0 .. 50
o
C (T/C)
•Sensor Failure : Out is OFF in case of sensor failure, measurement out of range or
hardware fails to measure input signal.
•Supply Voltage : 100..240VAC, 50-60Hz or 24VDC/AC (isolation voltage: 40VAC max.)
•Power Consumption : < 6VA
•Humidity : 80% up to 30
o
C, then linearly decreases to 50% at 50
o
C (non-condensing)
•Altitude : < 2000 m
•EMC : EN 61000-6-1, EN 61000-6-3 (Only light industrial environment)
•Safety : EN 61010-1; Pollution degree 1, measurement category I, (Only light industrial
environment, double/reinforced isolated, non-conductive pollution environment)
•Protection Class : IP20; according to EN 60529
•Operation Temp. : 0 .. 50
o
C
•Storage Temperature : -10
o
C .. 60
o
C (no icing)
•Weight : < 0.5 kg
•Keys : Micro switch
•Torque for screwing : Max. 0.5 N.m
no: normally open
nc: normally closed
WARNING: The devices with device code ending w ith “-K” use NiCr-Ni, K type T/C
Gürbüzoğlu Elektronik San. ve Tic. Ltd. Şti. http://www.gemo.com.tr
Çamlıtepe Cad. No:297 / 3-4 Siteler, Ankara, Türkiye e-posta: [e-mail]
Tel: [phone], Fax: [phone]
1

GEMO
INSTALLATION, USE and WARNINGS
●
This device and its packing is NOT litter and may NOT be disposed of with domestic waste. Please return
this device and its packing to an appropriate recycling point at the end of its service life.
●
Please read this user manual carefully and completely before installation and use. Please take into
consideration all warnings mentioned in this manual.
●
DT900 / DT721 / DT481 / LT102J/K are suitable only for permanent panel type mounting
●
Installation and use of this device must be done by qualified, authorized and trained technical personnel only.
●
Inspect device carefully before installation. Do not install and use broken and defective devices.
●
Do not disassemble device. Do not make any repair on any part of the device. There is no accessible part
inside the device. Please contact to manufacturer for broken and defective devices.
●
Do not use device in environments subject to flammable, explosive and corrosive gases and/or substances.
●
This device is designed for applications only in light industrial environments. This device is not suitable for
medical and residential use. This device is not suitable for use related with human health and safety. This
device is not suitable for automotive, military and marine use.
●
Do not allow children and unauthorized people to use this device.
●
Before installation and any technical work, disconnect the power supply and mains connections.
●
Check the power supply voltage level before power on, and make sure voltage level is in specified limits.
Check quality of neutral line. Improper neutral line may give permanent damage to the device.
●
Connect an external power switch and an external fuse (1A, 250VAC) to the power supply line that are easily
accessible for rapid intervention. Connect an external fuse (2A, 250VAC) for each relay output separately.
●
Use appropriate cables for power supply and mains connections. Apply safety regulations during installation.
●
Install the device in a well ventilated place. Install the device permanently into a proper panel cut-out. Fix the
device with two fasteners supplied with the device. Only front panel must be accessible after installation is
completed.
●
Do not operate the device other then the environmental conditions given in Technical Specification.
●
Do not operate the device in environments that may cause conductive pollution.
●
Take precautions against negative environmental conditions like humidity, vibration, pollution and high/low
temperature during installation.
●
Use correct compensation cables for T/C sensors. Connect T/C cable directly to the device connectors.
●
Keep device, signal cables and communication cables away from circuit breakers, power cables and
devices/cables emitting electrical noise. Use shielded and twisted signal and communication cables and
connect shield to earth ground on device side. Keep length of signal and communication cables less than 3m.
●
In your applications, always use separate and independent mechanical and/or electromechanical
devices/apparatus to support DT900 / DT721 / DT481 / LT102J/K to handle emergency cases..
●
Use insulated cable end-sleeves at the end of cables screwed to the device connector terminals.
●
Maximum torque for screwing; 0.5 N.m.
●
Please check www.gemo.com.tr for latest device and documentation updates regularly. All updates and all
information are subject to change without notice.
GENERAL SPECIFICATION
●
This device is designed for basic temperature control applications only in light industrial environments.
●
µP based, digital temperature controller with single output
●
Sensor:T/C, Fe-Const, J type or NiCr-Ni, K type
●
ON-OFF control form
●
Adjustable Hysteresis Value
●
Adjustable Upper Limit for SET Value
●
Displays SET and PROCESS values
●
Cold-junction compensation for T/C
●
Excellent linearity with
o
C/mV look-up table
●
High accuracy
●
EEPROM memory to store settings
●
Dimensions; DT900:96x96mm, DT721:72x72mm, DT481:48x48mm and LT102J/K:35x77mm
● Optional SSR output
●
Easy connection with plug-in connectors
Gürbüzoğlu Elektronik San. ve Tic. Ltd. Şti. http://www.gemo.com.tr
Çamlıtepe Cad. No:297 / 3-4 Siteler, Ankara, Türkiye e-posta: [e-mail]
Tel: [phone], Fax: [phone]
2

GEMO
READING SET VALUE
Press one of the
buttons (UP or Down)
Wait for 2 sec.
or
Read
SET
Value
Read “SEt” code and SET value in a
cyclic manner. Wait for 2 seconds without
pressing any button. Display automatically
switches to measured temperature reading.
Back to
measured
temperature
reading
ADJUSTING SET VALUE
ERROR MESSAGE
or: Displays “or” message in case of sensor failure, measurement out of range or
hardware fails to measure input signal.
Gürbüzoğlu Elektronik San. ve Tic. Ltd. Şti. http://www.gemo.com.tr
Çamlıtepe Cad. No:297 / 3-4 Siteler, Ankara, Türkiye e-posta: [e-mail]
Tel: [phone], Fax: [phone]
3
Press one of the
buttons (UP or Down)
Wait for 2 sec.
or
Enter
SET
Value
Read “SEt” code and SET value in a
cyclic manner. Enter new SET value
by using up and/or down buttons.
Wait for 2 secods without pressing
any button. New SET value is entered
automatically.
New SET
Value
entered
0 .. 600 ° C
or
0 .. 999 ° C

GEMO
ADJUSTING HYSTERESIS AND UPPER LIMIT VALUES
OUT CONTROL FORM; ON-OFF
SET(SET-Hys) PV
OUT ON
OUT relay is OFF when process value (PV) is greater then or equal to SET value. OUT relay is
ON when PV is less then or equal to (SET-Hys) value.
CLAEANING
Do not use any solvents (alcohol, thinners, benzine, acid, etc.) or corrosive substances to clean
the device. Use only a dry and clean non-abrasive cloth. Before cleaning, disconnect the power
supply and mains connections.
Gürbüzoğlu Elektronik San. ve Tic. Ltd. Şti. http://www.gemo.com.tr
Çamlıtepe Cad. No:297 / 3-4 Siteler, Ankara, Türkiye e-posta: [e-mail]
Tel: [phone], Fax: [phone]
4
Press UP and DOWN
buttons at the same
time during Power ON
Wait for 5 sec.
+
Enter
Hys
Value
Read and select hysteresis value.
Wait for 5 secods without pressing
any button. New hysteresis value
is saved to EEPROM.
New
Values
Entered
0 .. 50 ° C
Wait for 5 sec.
Enter
Up.L
Value
Read and select Upper Limit value
For SET value.
Wait for 5 secods without pressing
any button. New Upper Limit value
is saved to EEPROM.
0 .. 600 ° C
or
0 .. 999 ° C