Low-voltage switchgear and controlgear, Part 5.6: Control circuit devices and switching elements - DC interface for proximity sensors and switching amplifiers (NAMUR)
低压开关设备和控制设备第5.6部分:控制电路装置和开关元件接近传感器和开关放大器(NAMUR)的直流接口
Adopts IEC60947-5-6, Ed. 1.0 (1999) to provide characteristics, constructional and performance requirements and tests to verify performance for proximity sensors connected for operation by a two-wire connecting cable to the control input of a switching amplifier with a d.c. source.