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| Models | LP-8181-Atom | LP-8381-Atom | LP-8781-Atom | |
| System Software | ||||
| OS | Linux kernel 2.6.33 | |||
| Embedded Service | Web Server, Telnet Server, SSH Server | |||
| SDK Provided | Standard LinPAC SDK for Linux by GNU C language | |||
| CPU Module | ||||
| CPU | Intel Atom Z520 CPU (1.33 GHz) | |||
| System Memory | 1 GB DDR2 RAM | |||
| Dual Battery Backup SRAM | 512 KB (for 5 years data retain) | |||
| Flash | 8 GB as IDE Master | |||
| EEPROM | 16 KB | |||
| Data Retention: 40 years; 1,000,000 erase/write cycles | ||||
| CF Card | 8 GB (support up to 32 GB) | |||
| 64-bit Hardware Serial Number | Yes | |||
| Dual Watchdog Timer | Yes | |||
| Programmable LED Indicator | 1 | |||
| Rotary Switch | Yes (0 ~ 9) | |||
| DIP Switch | Yes (8 bits) | |||
| VGA & Communication Ports | ||||
| VGA | 800 x 600 ~ 1024 x 768 | |||
| Ethernet Port | RJ-45 x 2, 10/100 Base-TX Ethernet Controller (Auto-negotiating, auto MDI/MDI-X, LED indicator) | |||
| USB 1.1 (host) | 4 | |||
| COM 1 | Internal communication with I-87K modules in slots | |||
| COM 2 | RS-232 (RxD, TxD and GND); Non-isolated | |||
| COM 3 | RS-485 | D2+,D2-;self-tuner ASIC inside | ||
| Isolation | 3000 VDC | |||
| COM 4 | RS-232/RS-485 (RxD, TxD, CTS, RTS and GND forData- for RS-485); RS-232, Data+ and Data- for RS-485); Non-isolated | |||
| COM 5 | RS-232 (RxD, TxD, CTS, RTS, DSR, DTR, CD, RI and GND); Non-isolated | |||
| I/O Expansion (Supports high profile I-8K and I-87K modules only) | ||||
| Slot Number | 1 slot | 3 slots | 7 slots | |
| Hot Swap * Will be available | I/O Module Hot Swap Ability for High Profile I-87K Modules Only | |||
| Mechanical | ||||
| Dimensions (W x L x H) | 169 mm x 132 mm x 125 mm | 231 mm x 132 mm x 125 mm | 355 mm x 132 mm x 125 mm | |
| Installation | DIN-Rail or Wall Mounting | |||
| Environmental | ||||
| Operating Temperature | -25 °C ~ +75 °C | |||
| Storage Temperature | -30 °C ~ +85 °C | |||
| Ambient Relative Humidity | 5% ~ 90% RH, non-condensing | |||
| Power | ||||
| Input Range | +10 VDC ~ +30 VDC | |||
| Isolation | 1 kV | |||
| Redundant Power Inputs | Yes, with one power relay (1 A @ 24 VDC) for alarm | |||
| Capacity | 3.7 A, 5 V supply to CPU and backplane, 1.3 A, 5 V supply to I/O expansion slots, 25 W in total |
3.8 A, 5 V supply to CPU and backplane, 3.2 A, 5 V supply to I/O expansion slots, 30 W in total |
4.0 A, 5 V supply to CPU and backplane, 3.0 A, 5 V supply to I/O expansion slots, 35 W in total |
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| Consumption | 16.6 W (0.69 A @ 24 VDC) | 16.8 W (0.7 A @ 24 VDC) | 18 W (0.75 A @ 24 VDC) | |
