DATALOG-808
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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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 ?C , ± 1 ?C (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. |
| LED Indication | 8 Red / Green color LEDÂ’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 / 110 VAC ± 10% (10VA), 50/60Hz or 24VDC @ 200mA |
| 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. |
Input & Range Selection
| Code | Input | Range |
|---|---|---|
| A1 | Factory set to std. universal inputs marked (*) below : A2,A3,A4,A5) | As given below |
| A2 | J type : Fe/Con thermocouple (*) | 0 to 760 oC |
| A3 | K type : Cr/Al thermocouple (*) | 0 to 1372 oC |
| A4 | Pt-100 (Alpha = 0.00385) DIN 43760 (*) | -200.0 to 400.0 oC |
| A5 | 4-20mA (*) | -9999 to +9999 UOM |
| A6 | 0-1VDC (only for DATALOG-808-F) | -9999 to +9999 UOM |
| A7 | 0-5VDC (only for DATALOG-808-F) | -9999 to +9999 UOM |
Ordering Information
| Sr. No. | Model | Description | Part no. |
|---|---|---|---|
| 1.1 | DATALOG -808-U | Input: 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 |
| 1.2 | DATALOG -804-U | Input: 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 |
| 1.3 | DATALOG -804-U | Input: 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 |
| 1.4 | DATALOG -804-U | Input: 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 |
| 1.5 | DATALOG -804-U | Input: 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 |
