8DI/8DO Modbus RS-485 Remote I/O

• 8ch digital input/8ch digital output
• Protocols:Modbus RTU,ASCII
• Watchdog timer to recover the system
• 2500VDC isolation protection

Specifications

General

Connectors:
2 x plug-in terminal blocks
(#14 ~ 28 AWG)

Power Consumption:
1 W @ 24 V DC typ.
1.7 W @ 24 V DC max.

Watchdog Timer:
System (1.6 second) & Communication

Supported Protocols:
ASCII command and Modbus/RTU

Isolation Voltage:
2,500 VDC

LED Indicators:
Yes

Digital Input

Channels:
8, Dry/Wet Contact decided by switch or jumper

Input Level:
Dry Contact

Logic level 0: Open
Logic level 1: Closed to GND

Wet Contact

Logic level 0: 0 ~ 3 V max. or floating
Logic level 1: 10 ~ 50 V

Support DO type:
Sink (NPN) and Source (PNP)

Overvoltage Protection:
70 VDC

Digital Output

Channels:
8
Open collector to 40 V (1 channel 200 mA max. load, total channel 800 mA max.
load)

Power Dissipation

Channel: 1 W max.
Total: 2.2 W (8 Channels)

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