R. Stahl
9471/35 NAMUR digital input/output module for Zone 2 Ex n
16 channels can be used in pairs as inputs or outputs
The 9471/35 digital input/output module for Zone 2 has 16 externally powered channels which can be used in pairs for operation as inputs for contacts and NAMUR proximity switches (EN 60947-5-6) and PNP proximity switches or as outputs for low-power solenoid valves. Eight inputs can be used for frequencies of up to 20 kHz, and four can be used for detecting the direction of rotation. All inputs/outputs are short-circuit proof and galvanically separated from the system.
• 16 channels can be used in pairs as inputs or outputs
• Ex ec inputs/outputs with line fault monitoring and an LED fault and status display for each channel
• Module in Zone 2 can be replaced without having to disconnect the power supply (i.e. hot-swapped)
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