The Mitsubishi MELSEC-Q QY80 is a high-density transistor output module designed for MELSEC-Q series PLC systems. It provides 32 digital transistor output points for controlling external devices such as relays, solenoid valves, and indicators. The module offers fast and reliable switching performance for industrial automation applications. It is suitable for production lines, machine control systems, and general factory automation.

Product Descriptions

Specification	QY80
Brand	Mitsubishi Electric
Series	MELSEC-Q Series
Product Type	Transistor Output Module
Output Type	Transistor, Source Type
Number of Output Points	16 Points
Rated Load Voltage	12–24 V DC
Maximum Load Current	0.5 A/point, 4 A/common
Maximum Inrush Current	4 A, 10 ms or less
OFF-State Leakage Current	0.1 mA or less
ON-State Voltage Drop	0.2 V DC typical / 0.3 V DC maximum at 0.5 A
Response Time	1 ms or less (OFF → ON / ON → OFF)
Isolation Method	Photocoupler
Surge Suppressor	Zener Diode
Fuse	6.7 A, non-replaceable
Common Configuration	16 points / 1 common
External Power Supply	12–24 V DC
External Connection	18-point screw terminal block
I/O Points Occupied	16 points
Internal Current Consumption	80 mA typ. (all points ON)
Application	PLC Digital Output / Industrial Automation

Mitsubishi MELSEC-Q QY80 – Product Advantages

High-Density Output – Provides 16 transistor output points in a compact module, helping save valuable cabinet space.

Fast Switching Response – Offers a response time of 1 ms or less, suitable for high-speed machine control.

Reliable Output Control – Supports up to 0.5 A per point, making it suitable for controlling relays, solenoid valves, indicators, and other DC loads.

Electrical Isolation – Uses photocoupler isolation to improve system reliability and protect the PLC from external circuits.

Built-In Protection – Features a fuse and surge suppression to help protect the output circuits during industrial operation.

Mitsubishi MELSEC Q QY80 QY80

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FAQ

Q1: What is the QY80?
A: It is a 16-point transistor output module for the MELSEC-Q series PLC.

Q2: What is the rated load voltage?
A: It supports 12–24 V DC loads.

Q3: What is the maximum output current?
A: The maximum load current is 0.5 A per point.

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