ICP DAS USA 7188XA Series User Manual page 73

ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
The combination of serial & parallel interface make the I/O expansion bus
very convenient & powerful for various industry applications. There are many
design examples given in "I/O Expansion Bus in the 7188X/7188E User's
Manual". All hardware circuit & software driver sources are OPEN for
modification. From these examples, the user can make new applications or
modify them for their special requirements. The system design steps are given
as follows:
Step 1: list all functions required
Step 2: for all functions, goto step 3. If all functions are solved à STOP
Step 3: if this function can be solved by 7000 module à goto step 2
Step 4: if this function can be solved by 7188X+X??? à goto step 2
Step 5: user designed special hardware for I/O expansion bus
Step 6: user writes special software driver for this hardware
Step 7: combine the special hardware & software as a new module
Step 8: goto step 2
After the above steps, user can combine the standard 7000 modules &
special modules to solve all applications in the same RS-485 network. The
system is given as following:
Host PC
Standard 7000 module
RS485
Customized 7000 module
(7188X+X???)
7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User' s Manual, Ver. 3.0 Sep/2002, 7Mh-001-20 -----
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru
RS232
7520
RS485
Standard 7000 module
Customized 7000 module
(7188X+X???)
73
RS485