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DATALOG-808

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  • DATALOG-808
Datalog-808-side
Datalog-808-front

DATALOG-808

Product Description

DATALOG-808-U – 8 Channel Temperature/Process Data logger with user selectable Thermocouple +other process inputs + 2 common Relay outputs + 16 independent relay drivers + Real time clock + Built in Memory + RS 485 serial interface.
DATALOG-808-F – 8 Channel Temperature/Process Data logger with factory set Fixed inputs + 2 common Relay outputs + 16 independent Relay drivers + Real time clock + Built in Memory + RS 485 serial interface.

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Categories: Data Loggers & Scanners, Temperature & Process Data Loggers
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  • Technical Specifications
  • Input & Range Selection
  • Ordering Information

Technical Specifications

ParametersDescription
No. of channels1 to 8
Universal InputJ, K, RTD (Pt-100)/2 or 3 wire, (4-20) mA, (0-1) VDC, (0-5) VDC etc.
(user configurable or factory fixed - as specified)
Input SelectionFactory set for each channel or User selectable for each channel (Model dependent)
Range0 to 9999 or -9999 to +9999 UOM – Subject to the specified input
(Refer the Input and range selection table given below)
AccuracyBetter than ± 0.1 ?C , ± 1 ?C (Software linearized for temperature)
Display5 digit each 0.5” 7-segment Red to indicate Process,
5 digit each 0.5” 7-segment Green to indicate Real Time Clock,
2 digit 0.5” 7-segment Red LED for channel no.
Scan Rate1 to 99 sec (programmable through front panel keyboard)
Data Storage Interval1 to 99 minutes (user programmable).
Data Storage8000 records. (512KB) – please refer table shown below.
Print Interval1 to 99 minutes (User programmable)
Skip/Hold FacilityAvailable through key board in configuration mode
High / Low AlarmCommon or individual Settable using key pad - with grouping facility.
Common Relay output2 nos. potential free change over contacts (1 each for high and low output but common for all the channels)
Common Analog output4-20mA proportional to highest value of all the channels (Optional)
Alarms Outputs8 x 2 open collector outputs to drive external relay cards.
LED Indication8 Red / Green color LEDÂ’s in the front indicating status of each alarm output for High or Low.
Serial InterfaceRS485 MODBUS RTU protocol in slave mode for PC interface and
RS232 serial port for dot matrix printer interface.
Supply90V - 260VAC / 110 VAC ± 10% (10VA), 50/60Hz or 24VDC @ 200mA
EnclosureMetallic with ABS bezel and polycarbonate front.
Size192 x 96 x 200 mm.
Panel cut out188 x 92 mm +/- 0.5 mm.

Input & Range Selection

CodeInputRange
A1Factory set to std. universal inputs marked (*) below : A2,A3,A4,A5)As given below
A2J type : Fe/Con thermocouple (*)0 to 760 oC
A3K type : Cr/Al thermocouple (*)0 to 1372 oC
A4Pt-100 (Alpha = 0.00385) DIN 43760 (*)-200.0 to 400.0 oC
A54-20mA (*)-9999 to +9999 UOM
A60-1VDC (only for DATALOG-808-F)-9999 to +9999 UOM
A70-5VDC (only for DATALOG-808-F)-9999 to +9999 UOM

Ordering Information

Sr. No.ModelDescriptionPart no.
1.1DATALOG -808-UInput: Universal type – Thermocouple types J, K, RTD Pt-100 and 4-20mA
Output: 2 Common Relays
Serial Interface: RS-232 for Printer Interface
3381-1
1.2DATALOG -804-UInput: Universal type – Thermocouple types J, K, RTD Pt-100 and 4-20mA
Output: 2 Common Relays
Relay Drivers: 16 transistor output to drive external 16 channel relay cards
Serial Interface: RS-232 for Printer Interface
3381-2
1.3DATALOG -804-UInput: Universal type – Thermocouple types J, K, RTD Pt-100 and 4-20mA
Output: 2 Common Relays
Serial Interface: RS-485 for Computer Interface
3381-3
1.4DATALOG -804-UInput: Universal type – Thermocouple types J, K, RTD Pt-100 and 4-20mA
Serial Interface: RS-485 for Computer Interface
Output: 2 Common Relays
Relay Drivers: 16 transistor output to drive external 16 channel relay cards
3381-4
1.5DATALOG -804-UInput: Universal type – Thermocouple types J, K, RTD Pt-100 and 4-20mA
Output: 2 Common Relays
Relay Drivers: 16 transistor output to drive external 16 channel relay cards
Serial Interface 1: RS-232 for Printer Interface
Serial Interface 2: RS-485 for Computer Interface
3381-5

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