Digital Input Input Channel 16
Input Type Non-Isolated digital input
ON State Input voltage < 1V
OFF State Input voltage > 3.5V
LED Display 1 LED as Power
16 LEDs as digital input indicators
Power Consumption Typical : 0.25W
Maximum : 0.4W
Note 8051 : Internal Parallel Bus


I-8051 Pin Assignment
Terminal Number Pin Name
1DI0
2DI1
3DI2
4DI3
5DI4
6DI5
7DI6
8DI7
9DI8
10DI9
11DI10
12DI11
13DI12
14DI13
15DI14
16DI15
17GND
18GND
19GND
20GND


I-8051 Block Diagram
Input Type ON State
LED ON
Readback as 1		 OFF State
LED OFF
Readback as 0
Relay Contact Relay ON
Relay On		 Relay Off
Relay Off
TTL/CMOS Logic Voltage < 1V
Logic Level Low		 Voltage > 3.5V
Logic Level High
Open Collector Open Collector On
Open Collector On		 Open Collector Off
Open Collector On


I-8051 Dimention


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