DIGITAL INPUT MODULE NAMUR EX N INPUTS, 16 CHANNELS FOR ZONE 2 / DIV. 2 SERIES 9470/25

The 9470/25 series digital input module for Zone 2 has 16 channels for operating zero-potential contacts or NAMUR proximity sensors. Two channels can also be configured for frequency measurements or as a pulse counter for frequencies of up to 20 kHz. All inputs are short-circuit proof, galvanically separated from the system and individually monitored to check for wire breakage/short-circuiting.

– Sixteen channels for contacts and NAMUR proximity sensors – can also be used for frequencies
– Ex nA inputs with line fault monitoring
– module in Zone 2 can be hot swapped