User Manual
1.1 Features
1.1.1 General features
AMD’s embedded CPU, Am188™ES: 20M or 40M
SRAM: 128K/256K/512K bytes
Flash ROM: 256K/512K bytes
Built-in EEPROM
Built-in COM port: 2/3/4/5/8 channels
Isolation voltage on RS-485 port=3000V: 7521/7522/7523
Industry D/I/O onboard: 7521(D)/7522(D)/7523(D)/
7522A(D)7524(D)/7527(D)
User defined D/I/O: 7521(D)
Built-in 5-digit LED display interface
COM driver support interrupt & 1K QUEUE input buffer
Built-in I/O expansion bus interface
Built-in watchdog timer for harsh environments
Built-in power protection circuit
Built-in RS-485 network protection circuit
Built-in self-tuner ASIC controller on RS-485 port
Program download from PC
Built-in OS: MiniOS7 of ICP DAS
Operating temperature: -25°C to +75°C
Can be used in harsh environments for industry applications
NOTE:
1. ODM wanted
2. “Customized 7000 Modules” wanted
7521/2/2A/3/4/7 Series Hardware User’s Manual, Ver. 1.5 Sep/2002, 7Mh-001-15 -----7










