![background image](http://html1.mh-extra.com/html/icp-das-usa/7188e/7188e_hardware-user-manual_3581912080.webp)
80188-40
watchdog timer
16 bits timer
SRAM: 256K
Flash-ROM: 256K
7188EN/7188END
COM2
RS-485
I/O Expansion
Bus
E1
10BaseT
COM1
RS-232
EEPROM (2K)
5-digit LED
(7188END)
+10V to +30V
power converter
COM3
RS-422/RS-232
COM4~8
RS-232
D/I/O
+5V
7188E Series Hardware User’s Manual, 2004, v2.2, 7MH-016-22 ----- 80