Features

• AMD embedded CPU, Am188™ES: 40M or compatible

• Built-in RTC, NVRAM, EEPROM

• Built-in COM port: COM1, COM2, COM3, COM4

• 3000 V Isolation voltage on RS-485 port

• 64-bit hardware unique serial number inside

• COM driver support interrupt & 1K QUEUE input buffer

• Support I/O expansion bus interface

• Can add on one expansion board only

• Two digital input Channels

• Two Open-collector output Channels

• Built-in self-tuner ASIC controller on RS-485 port

• Optional 7-segment LED display

• Built-in ICP DAS¡¦s MiniOS7

• Program download port: COM4 

Specifications

• CPU: Am188™ES, 40M Hz or compatible

• SRAM: 512K bytes

• Flash Memory: 512K bytes; Erase unit is one sector (64K bytes); 100,000 erase/write cycles

• NVSRAM: 31 bytes, battery backup, data valid up to 10 years

• EEPROM: 2048 bytes ( 8 blocks, each block has 256 bytes); Data retention > 100 years; 1,000,000 erase/write cycles  

• Real Time Clock: Year-2000 compliance; seconds, minutes, hours, date of the month; month, year, valid up from 1980 to 2079

• COM1: RS-232 or RS-485 jumper select (JP1), default is RS-232

  RS-232: TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND RS-485: D1+, D1-, self-tuner ASIC inside); Communication speed 115200 max.; 16 bytes FIFO

• COM2: RS-485 ( D2+, D2-+, self-tuner ASIC inside) ; Communication speed 115200 max.; 16 bytes FIFO; Isolation voltage: 3000V  

• COM3: RS-232 ( TXD3, RXD3, GND); Communication speed 115200 max.  

• COM4: RS-232 (TXD4, RXD4, GND); Communication speed 115200 max.; Program download port(default); Can be used as  general purpose RS-232 port

• Digital Input Channels: 2  

• Digital Input level  

  Dry Contact: 

  Logical level 0: closed to GND  

  Logical level 1: open  

  Wet contact:  

  Logical level 0: +1V

  Logical level 1: +3.5V to +30V  

  Digital Output Channels: 2  

• Digital output level  

  Open collector to 30V Max.  

  Output current: 100mA  

• Power consumption: 2.0W for 7188XA, 3.0W for 7188XAD