QA-8DO

Modbus Digital Output Slave Device

• Features
• Modbus RTU to 8 Relay outputs
• DIP Switch Programmable
• PC Programmable
• 250 Vac 5 A rated Contacts
• SPDT outputs
• DIN Rail Mount

• Datasheet

• Buy Online  

• Manual

• Register Table

• Quick Start

• Configuration Software

• QA-12DI-4DO

• QE-8DI

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Modbus Digital Output Slave Device

The QA-8DO is a Modbus RTU RS485 to 8 Relay output device. The relays are single pole double throw and have a contact rating of 250 Vac 5 Amps and have normally open and normally closed contacts. The RS485 port and Power Supply are galvanically isolated from each other at 1.5 kV, and the relay contact is isolated at 4 kV.
The device can be configured by DIP Switches and PC software downloadable from the www.qeedusa.com website. The QE-8DO can be configured with the RS485 port or the USB port on the front of the device.

QA-8DO Wiring Connections

Power Supply
Positive	Pin 16
Negative	Pin 17
Modbus Output
Modbus Positive	Pin 34
Modbus Negative	Pin 33
Modbus Ground	Pin 32
Relay 1
Normally Closed	Terminal 10
Common	Terminal 11
Normally Open	Terminal 12
Relay 2
Normally Closed	Terminal 7
Common	Terminal 8
Normally Open	Terminal 9
Relay 3
Normally Closed	Terminal 4
Common	Terminal 5
Normally Open	Terminal 6
Relay 4
Normally Closed	Terminal 1
Common	Terminal 2
Normally Open	Terminal 3
Relay 5
Normally Closed	Terminal 29
Common	Terminal 28
Normally Open	Terminal 27
Relay 6
Normally Closed	Terminal 26
Common	Terminal 25
Normally Open	Terminal 24
Relay 7
Normally Closed	Terminal 23
Common	Terminal 22
Normally Open	Terminal 21
Relay 8
Normally Closed	Terminal 20
Common	Terminal 19
Normally Open	Terminal 18