440F-EFFLV01630 A-B communication module

Modules are available in different densities ranging from 8 to 32 points. • Digital I/O modules cover a wide electrical range: - 120V AC: Input/output and isolated input/output, 8 and 16 point - 220V AC: Input/output, 8 point - 24V DC: Input/output/combination, sink/source, protected, electronically fused, diagnostic, 8, 16, and 32 point - 48V DC: Sink input/source putput, 16 point - Relay: Sink/source, 8 point • Isolated inputs and outputs can be used in applications such as motor control centers where individual control transformers are used. • Protected outputs (P) have electronic protection, which acts to shut down the output in reaction to a short circuit, overload, or over-temperature condition. Recovery from shutdown is automatic upon removal of the output fault. No fault status is provided to the processor. • Electronic Fused (EP) module acts to open the output when a fault occurs. The fuse can be reset by operating a push button, via software, or by cycling the input power. Fault status is provided to the processor. • Diagnostic (D) modules detect, indicate, and report to the processor the following faults: - Open input or output field devices or wiring - Shorted output field devices - Shorted input or output wiring - Reverse polarity of user supply wiring • Selectable input filter times from <1...60 ms. • LED for each channel indicating the status of: - Corresponding input device - Output signal

FLEX I/O Digital DC Output Modules • 1794-OB8 and 1794-OB16 provide 16 sourcing 1/2 Amp outputs (8 for the 1794-OB8) over a wide 10…31.2V DC input voltage range. • 1794-OV16 is the sinking version of the 1794-OB16 module. • 1794-OV32 is the 32 output version of the 1794-OV16 module. • 1794-OC16 is the 48V DC version of the 1794-OB16 module. • These modules are not fused. External fusing is strongly recommended or use protected output modules. Module outputs are not fused. Fusing of outputs is recommended. If fusing is desired, you must provide external fusing. - For 1794-OB8, 1794-OB16, and 1794-OV16 use SAN-O MQ4-800 mA fuse. - For 1794-OC16 use 2 A, 150V AC MQ2 normal fuse.

The structure and details of the product：

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