CHAPTER 4 COMMUNICATION WITH DEVICE/PLC 26
4.1. SHAPES AND COMMUNICATION METHOD OF COM PORTS 26
4.2. SIGNALS OF COM PORTS 26
4.3. CABLE DIAGRAM AT THE TIME OF REPLACEMENT 27
4.4. MULTILINK CONNECTION 27
CHAPTER 5 APPENDIX 28
5.1. CHANGING THE SETTING OF THE EXTERNAL MEDIA TO USE 28