7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User’ s Manual, Ver. 2.0 Sep/2002, 7Mh-001-20 -----
82
3.2
Addressable RS-232 Protocol Converter
Applications:
l
4521 replacement & enhancement
l
Multiple RS-232 devices networking
The key points are given as following:
l
Connect RS-232 devices to COM1/3/4 of 7523/7523D
l
Connect COM2 of 7523/7523D to RS-485 network
l
7523/7523D communicates to its local RS-232 devices & stores data. Host
PC communicates to every 7523/7523D for reading data from these RS-
232 devices.
7520
Host PC
RS-232
RS-232
Device-3
RS-232
Device-2
RS-232
Device-1
7523 or
7523D
RS-232
Device-n+2
RS-232
Device-n+1
RS-232
Device-n
7523 or
7523D
RS-485
RS-485
RS-485
ГК
Атлант
Инжиниринг
–
официальный
представитель
в
РФ
и
СНГ
+7(495)109-02-08 [email protected] www.bbrc.ru