I-7080, I-7080D, I-7080B, I7080BD User Manual (V 2.2) ------------------ 9
1.4 Block Diagram
Embedded
Controller
Programmable Digital Filter
EEPROM
RS-485
D+
D-
DC
DC
V+
V-
5V
0V
D/O
O.C.
Alarm
Output
5-digit LED (I-7080D)
5V
Counter_0
Counter_1
5V
Gate0+
Isolated/Non-isolated input selection
Isolated/Non-isolated gate selection
Gate0-
5V
Gate1+
Gate1-
In0+
In0-
In1+
In1-
Gate0(TTL)
Gate1(TTL)
In0(TTL)
In1(TTL)
Programmable threshold
voltage
Non-isolated input
Isolated input
5V
Save to
EEPROM
Voltage
Detect
For 7080B/7080BD only