The Acromag QMC450 is a VITA 93 Isolated Digital Output Module. Firstly, featuring 32 bipolar solid-state relay outputs. Designed to safely and efficiently control discrete devices across AC and DC power systems. This compact module is for tough environments. It provides flexible, isolated switching and fast output control. It is used in embedded computing for industrial automation, aerospace, and defence.
Grouped into four 8-channel isolated ports. Each output channel supports ±60V AC or DC switching. In addition, each is individually configurable for high-side or low-side control. This flexibility lets users adjust the module for many devices and signal types without needing extra hardware changes.
To improve safety and performance, the QMC450 uses optical isolation. This protects host systems from electrical noise, surges, and wiring faults. It also supports output readback buffers for real-time status monitoring and closed-loop verification. This feature is useful when paired with the QMC440 digital input module for fault detection and system testing.
With no jumpers or switches, all configuration is handled via software. Therefore, enabling rapid deployment and adjustments without removing the module from the system. The compact 26 x 78.25mm VITA 93 form factor makes it ideal for high-density I/O needs in SWaP-C constrained systems. In addition, the module supports extended temperatures and conduction cooling for reliable operation in harsh environments.
Key Features VITA 93 Isolated Digital Output Module:
32 optically isolated solid-state relay outputs
Supports AC/DC switching up to ±60V
Bipolar outputs grouped in four isolated 8-channel ports
High-side or low-side switch configuration per port
TTL-compatible with internal pull-up resistors
In addition, High-speed switching performance
Output readback for closed-loop monitoring
Software-configurable with no manual jumpers
Compatible with QMC440 input module for loopback testing
VITA 93 small form factor (26 x 78.25mm)
PCIe interface via carrier card
Extended temperature range and conduction-cooled system support
IPMI-compatible with onboard EEPROM for platform management
Applications:
Industrial control and automation
Defence and aerospace switching systems
AC/DC device actuation and monitoring
Fault-tolerant embedded systems
Real-time simulation and test platforms
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