Specifications
Table Of Contents
- Title
- Safety Information
- Symbols used in the manual
- Table of Contents
- 1 Introduction
- 2 Profibus DP
- 3 CC-Link
- 4 Ethernet
- A Appendix
- Index

Process Images Appendix
Quick Start Guide for the MELSEC STlite Series A - 1
A Appendix
A.1 Process Images
A.1.1 Digital Input Modules
STL-DI8-V1 (ID number 51205052) and STL-DI8-V2 (ID number 51205053)
A.1.2 Digital Output Modules
STL-DO4 (ID number 51205045)
STL-DO8 (ID number 51205043)
A.1.3 Relay Output Module
STL-RO2 (ID number 51205044)
Fig. A-1:
The signal status of the digital input modules is
reflected in one byte.
Fig. A-2:
Process image of the digital output module
STL-DO4
Fig. A-3:
Process image of the digital output module
STL-DO8
Fig. A-4:
The process image of the relay output module
STL-RO2 occupies two bits
b7 b6 b5 b4 b3 b2 b1 b0
X0X1X2X3X4X5X6X7
0: Input is OFF
1: Input is ON
b3 b2 b1 b0
Y0Y1Y2Y3
0: Output is OFF
1: Output is ON
b7 b6 b5 b4 b3 b2 b1 b0
Y0Y1Y2Y3Y4Y5Y6Y7
0: Output is OFF
1: Output is ON
b1 b0
Y0Y1
0: Output is OFF
1: Output is ON