Temperature Data Logger – DATALOG-808

Technical Specifications :

Parameters	Description
No. of channels	1 to 8
Universal Input	J, 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 Selection	Factory set for each channel or User selectable for each channel (Model dependent)
Range	0 to 9999 or -9999 to +9999 UOM – Subject to the specified input
	(Refer the Input and range selection table given below)
Accuracy	Better than ± 0.1 ⁰C , ± 1 ⁰C (Software linearized for temperature)
Display	5 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 Rate	1 to 99 sec (programmable through front panel keyboard)
Data Storage Interval	1 to 99 minutes (user programmable).
Data Storage	8000 records. (512KB) – please refer table shown below.
Print Interval	1 to 99 minutes (User programmable)
Skip/Hold Facility	Available through key board in configuration mode.
High / Low Alarm	Common or individual Settable using key pad - with grouping facility.
Common Relay output	2 nos. potential free change over contacts (1 each for high and low output but common for all the channels)
Common Analog output	4-20mA proportional to highest value of all the channels (Optional)
Alarms Outputs	8 x 2 open collector outputs to drive external relay cards (MSI-RLY-8)
LED Indication	8 Red / Green color LED’s in the front indicating status of each alarm output for High or Low.
Serial Interface	RS485 MODBUS RTU protocol in slave mode for PC interface and
	RS232 serial port for dot matrix printer interface.
Supply	90V - 260VAC (10VA), 50/60Hz or 24VDC/AC @ 300mA
Enclosure	Metallic with ABS bezel and polycarbonate front.
Size	192 x 96 x 200 mm.
Panel cut out	188 x 92 mm +/- 0.5 mm.
Size of Relay card RLY-8	190 L x 120 W x 75 D mm (35 mm DIN rail mount)