Digital Output Output Channel 8
Output Type Non-Isolated open-collector
Max load current 100mA per channel
Load voltage +5V to +30VDC
Digital Input Input Channel 8
Input Type Non-Isolated digital input
ON State Input voltage < 1V
OFF State Input voltage > 3.5V
LED Display 1 LED as Power/Communication indicator
8 LEDs as digital output indicators
8 LEDs as digital input indicators
Power Consumption Typical : 0.3W
Maximum : 0.5W
Note 8055 : Internal Parallel Bus


I-8055 Pin Assignment
Terminal Number Pin Name
1DI0
2DI1
3DI2
4DI3
5DI4
6DI5
7DI6
8DI7
9GND
10GND
11GND
12DO0
13DO1
14DO2
15DO3
16DO4
17DO5
18DO6
19DO7
20DO.PWR


I-8055 Block Diagram
Input Type ON State
LED ON
Readback as 1
OFF State
LED OFF
Readback as 0
Relay Contact
Relay Close I-8055 Digital Input
Relay Open I-8055 Digital Input
TTL/CMOS Logic
Logic Low I-8055 Digital Input
Logic High I-8055 Digital Input
Open Collector
Open Collector On I-8055 Digital Input
Open Collector Off I-8055 Digital Input

Output Type ON State
LED ON
Readback as 1
OFF State
LED OFF
Readback as 0
Drive Relay
Relay On I-8055 Open Collector Output
Relay Off I-8055 Open Collector Output
Resistance Load
Current On I-8055 Open Collector Output
Currnet Off I-8055 Open Collector Output


I-8055 Dimention
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