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Web Datalogger Unit (DLU) (Discontinued Products)

Specifications

1) General Specifications

Item Description
Rated operating voltage 24 V DC
Operating voltage range 21.6 to 26.4 V DC
Allowable momentary power off time Allowable momentary power off time 3 ms (3 to 10 ms is restored after the allowable momentary power off operation. *1)
Ambient temperature 0 to +55 ℃
Storage temperature -20 to +70 ℃
Ambient humidity 30 to 85 % RH (at 25 ℃ non-condensing)
Storage humidity 30 to 85 % RH (at 25 ℃ non-condensing)
Breakdown voltage Between "input terminal" and "power/ground terminals":
  500 V AC *2 for 1 minute
Between "output terminal" and "power/ground terminals":
  1500 V AC *2 for 1 minute
Between "input terminal" and "output terminal":   1500 V AC *2 for 1 minute
Insulation resistance Between "input terminal" and "power/ground terminals":
  Over 100 MΩ(at 500 V DC with megohmmeter)
Between "output terminal" and "power/ground terminals":
  Over 100 MΩ(at 500 V DC with megohmmeter)
Between "input terminal" and "output terminal":   Over 100 MΩ(at 500 V DC with megohmmeter)
Vibration resistance 10 to 55 Hz, 1 sweep/min.,
Double amplitude of 0.75 mm, 10 min. on 3 axes (Towards X,Y & Z directions)
Shock resistance 98 m/s2 or more, 4 times on 3 axes (Towards X,Y & Z directions)
Noise immunity 1000 V[P-P] with pulse width 50 ns, 1μs (using a noise simulator)
Operating condition Must be free from corrosive gasses and excessive dust
Current Consumption (at 24 V DC) Web Datalogger Unit (DLU) : 300 mA or less
Communication cassette COM1, COM2 : 20 mA or less *3
Communication cassette COM3, COM4 : 25 mA or less *3
Weight Approx. 200 g

*1 Momentary power cut is recorded in the system history.
*2 Cut-off current: 10 mA, excluding the varistor for protection.
*3 Add this value on the consumption current of Web Datalogger Unit.

Function Specifications

1) Function specifications

Item Specifications
Data logging Data sampling I/F Internal I/O Input: 4 points (Pulse input 30 Hz or less)/Output: 1 point
Expansion unit (Up to 3 units can be connected.) Digital system:  Input: 48 points (Pulse input 1 Hz or less)/Output: 48 points Analog system:  Input 24 CH/Output 24 CH
Through communication cassette - FP-series PLC(Eco-power meter, wireless sensor)
- Mitsubishi FX series
- Mitsubishi FX2N series
- Mitsubishi FX-series computer link
- Omron SYSMAC-C series
Logging data Description - Contact system:  Select from "Instantaneous value (ON/OFF)", "Accumulated ON time", "Total switching times" and "Pulse value". - Register system:  Instantaneous value, average value, minimum value, maximum value, difference value
Data format (Available in register system) 16-bit integer (Signed/Unsigned), 32-bit integer (Signed/Unsigned) Binary (16 bits/32 bits), HEX (16 bits/32 bits), character string, real number
No. of registerable files 16
Registerable device *1 Total 4000 points (250 points/1 file)
Data save Storage place *2 - Internal memory (SDRAM):  2M bytes
- CF card:  8M to 1G bytes
File system VFAT/FAT/FAT32
Saving format CSV
Trigger Trigger type - Fixed cycle (Select from the cycles predefined, which are 1 second to 24 hours.)
- Relay (Leading edge differential, trailing edge differential, both edge differential)
- Appointed time (Specify the date and time for every day, etc)
- Register (=, >, <, ≠)
No. of registerable triggers 128
Others Mail Transmission function Transmission network LAN, PPP (dial-up)
Mail contents Mail title: Within 16 characters
Mail text Within 254 characters
No. of registerable settings 64
Data setting function Set object DLU output, expansion unit (output), PLC/eco-power meter, etc.
No. of registerable settings 64
Monitor function Standard screen Built-in standard monitor screen (using a web browser) *3
Network function Communication protocol TCP/IP, UDP/IP, PPP (Client/Server)
Application protocol HTTP, SMTP(POP/APOP authentication), FTP(server), SNTP, DHCP
Clendar timer At 0 °C less than 119 seconds per month, at 25 °C less than 51 seconds per month, at 55 °C less than 148 seconds per month
(The automatic correction using the SNTP is available.)
Backup Logging data *4, calendar timer
(By a gold capacitor and a backup battery sold separately)
Battery discharge life (Value applies when no power is supplied at all) *4 250 days or more (Typical lifetime in actual use: approx. 5 years (at 25℃)) (Suggested replacement interval: 1 year)
Security function User name, password, account type (2 levels)
Self-diagnostic Function Watchdog timer, setting value check, battery voltage drop

*1 The registerable numbers are 16 files, 250 in total.
Registering 4000 points is available by setting consecutive points (1 to 250) for one registration.
*2 The data in the internal memory will be deleted when the power turns off. (It cannot be backed up with a battery.
Use the memory as an area for temporarily generating csv files.
*3 The web browser used should be Internet Explorer 6.0 or later.
*4 It is the discharge life after turning on electricity to the power supply of DLU for over 5 hours.
The battery life is influenced by the environments such as temperature.

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