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产品详情：
产品介绍： 带7段数码显示的可编程设备服务器，RS-232*1,RS-485*1
特点：Incorporate Serial Devices in an Ethernet network
"Virtual COM" Extend COM Ports
Virtual COM on Windows NT 4.0, 2000/XP/2003 and Vista32
Powerful Programmable Device Server
Watchdog Timer suitable for use in harsh environments
Power Reverse Polarity Protection
Serial Port +/-4 kV ESD Protection Circuit
Self-Tuner ASIC Controller on the RS-485 Port
5-digit LED Display (for versions with a display)
RoHS Compliant with no Halogen
Built-in High Performance MiniOS7 from ICP DAS
10/100 Base-TX Ethernet, RJ-45 Port
(Auto-negotiating, auto MDI/MDI-X, LED indicator)
ODM Service Is Available
Low power consumption
Palm-Sized with multiple Serial Ports
Made from fire retardant materials (UL94-V0 Level)
规格：
CPU
CPU 80186-80 MHz or compatible
SRAM 512 KB
Flash Memory Flash ROM: 512 KB; Erase unit is one sector (64 KB); 100,000 erase/write cycles
EEPROM 16 KB; Data retention: 40 years; 1,000,000 erase/write cycles
Built-in Watchdog Timer Yes
Communication Interface
Non-isolated COM1 RS-232 (TxD, RxD, RTS, CTS, GND)
COM2 RS-485 (D2+, D2-, GND)
Ethernet 10/100 Base-TX, RJ-45 port (Auto-negotiating, auto MDI/MDI-X, LED indicator)
PoE -
COM Port Formats
Data Bit 7, 8: for COM1 and COM2
Parity None, Even, Odd, Mark, Space
Stop Bit 1, 2: for COM1 ~ COM2
Baud Rate 115200 bps Max.
LED Indicators
5-digit 7 Segment Yes, only for "D" versions
System Red
Power
Protection Power Reverse Polarity Protection
Required Supply Voltage +10 VDC ~ +30 VDC (non-regulated)
Power Consumption PDS-720D: 2.7 W
Flammability Fire Retardant Materials (UL94-V0 Level)
Dimension (W x H x D) 72 mm x 112 mm x 35 mm
Installation DIN-Rail or Wall mounting
Casing Fire Retardant Plastic
Environment
Operating Temperature -25 ~ +75 °C
Storage Temperature -40 ~ +80 °C
Humidity 5 ~ 90% RH, non-condensing