Chapter 2 Specifications and System Configuratio n 2.4.2 Analog Input/Output Module Profiles 1 4 5 2_ 6 2 7 8 9 3 Unit: mm 2-20 0 4AD -E2 4AI Number Name Description The inputs are connected to sensors. 1 Removab le terminal block The outputs are connected to loads to be driven. External 2 port module connection Connects the modules 3 Terminal number Terminal number 4 Model na me Model name of the module POWER Indicates the status of the power supply LED indicator ON: the power is on OFF: no power Error status of the module ON: a serious error occurs in the module. 5 ERROR L ED indicator OFF: the module is normal. Analog to indicator Blinking: a minor error occurs in the module.
Indicates the analog to digital conversion status digital conversion Blinking: conversion is taking place OFF: stop conversion External 6 port module connection Connects the modules 7 DIN rail sl ot (35 mm) For the DIN rail 8 I/O modul e securing clip Secures the modules 9 Mounting hole Secures the module on the set