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About this Manual:
This manual describes the specifications, installation, troubleshooting, and other information on the
CJ1W-AD04U and CJ1W-AD04U-SL Universal Input Units. This manual includes the sections
described below.
Please read this manual and the other manuals related to the Universal Input Units carefully and be
sure you understand the information provided before attempting to install and operate the Units. The
manuals used with the Universal Input Units are listed in the following table. The suffixes have been
omitted from the catalog numbers. Be sure you are using the most recent version for your area.
Section 1 introduces the features and primary functions, describes the system configuration, and out-
lines the operating procedure.
Section 2 describes the specifications, component names, and switch settings of the CJ1W-AD04U
and CJ1W-AD04U-SL Universal Input Units.
Section 3 explains how to install and wire the CJ1W-AD04U and CJ1W-AD04U-SL Universal Input
Units.
Section 4 describes the input functions and operating procedures of the CJ1W-AD04U and CJ1W-
AD04U-SL Universal Input Units.
Section 5 explains how to troubleshoot errors and alarms that occur in the CJ1W-AD04U and CJ1W-
AD04U-SL Universal Input Units.
Appendix A provides details on dimensions.
Appendix B provides supplementary explanations of functions.
Appendix C provides data coding tables.
Name Cat. No. Contents
SYSMAC CJ-series
CJ1G-CPU@@, CJ1G/H-CPU@@H, CJ1M-CPU@@
Programmable Controllers Operation Manual
W393 Describes the installation and operation
of the CJ-series PLCs.
SYSMAC CS/CJ-series
CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H, CJ1G-
CPU@@, CJ1G/H-CPU@@H, CJ1M-CPU@@
Programmable Controllers Programming Manual
W394 Describes the programming methods
required to use the functions of the CS/
CJ-series PLCs.
SYSMAC CS/CJ-series
CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H, CJ1G-
CPU@@, CJ1G/H-CPU@@H, CJ1M-CPU@@
Programmable Controllers Instructions Reference Manual
W340 Describes the ladder diagram program-
ming instructions supported by CS/CJ-
series PLCs.
SYSMAC WS02-CXPC1-EV70
CX-Programmer Ver. 7.0 Operation Manual
W446 Provides information on how to use the
CX-Programmer, a programming device
that supports the CS/CJ-series PLCs.
SYSMAC CS/CJ-series
CQM1H-PRO01-E, CQM1-PRO01-E, C200H-PRO27-E
Programming Consoles Operation Manual
W341 Provides information on how to program
and operate CS/CJ-series PLCs using a
Programming Console.
!WARNING Failure to read and understand the information provided in this manual may result in per-
sonal injury or death, damage to the product, or product failure. Please read each section
in its entirety and be sure you understand the information provided in the section and
related sections before attempting any of the procedures or operations given.