iii
7.1
7.1
7.1
7.1
RS485 Bus Main Feature
RS485 Bus Main Feature
RS485 Bus Main Feature
RS485 Bus Main Feature
........................................................................................................................................ 30
7.2
7.2
7.2
7.2
RS485 Bus Transmission D
RS485 Bus Transmission D
RS485 Bus Transmission D
RS485 Bus Transmission Distance
istance
istance
istance
....................................................................................................................... 30
7.3
7.3
7.3
7.3
Connection Methods and Terminal Resistance
Connection Methods and Terminal Resistance
Connection Methods and Terminal Resistance
Connection Methods and Terminal Resistance
................................................................................................... 30
7.4
7.4
7.4
7.4
The Problem in Practical Use
The Problem in Practical Use
The Problem in Practical Use
The Problem in Practical Use
................................................................................................................................. 30
7.5
7.5
7.5
7.5
RS485 Bus FAQ
RS485 Bus FAQ
RS485 Bus FAQ
RS485 Bus FAQ
....................................................................................................................................................... 31
8888
APPENDIX TOXIC OR HA
APPENDIX TOXIC OR HA
APPENDIX TOXIC OR HA
APPENDIX TOXIC OR HAZARDOUS MATERIALS OR
ZARDOUS MATERIALS OR
ZARDOUS MATERIALS OR
ZARDOUS MATERIALS OR ELEMENTS
ELEMENTS
ELEMENTS
ELEMENTS
.............................. 32