I-8055 User's Manual

I-8055 Specification

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

I-8055 Pin Assignment

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

I-8055 Internal I/O Structure

I-8055 Block Diagram

I-8055 Wire Connection

Input Type

ON State
LED ON
Readback as 1

OFF State
LED OFF
Readback as 0

Relay Contact

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

I-8055 Dimention

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