Advantech ADAM-5560 user manual 183

	A.1	RS-485 Networks		168
	A.2	Basic Network Layout		168
			Figure A.1 Daisychaining	169
			Figure A.2 Star Structure	169
			Figure A.3 Random structure	170
	A.3	Line Termination		170
			Figure A.4 Signal Distortion	170
			Figure A.5 Termination Resistor Locations	171
	A.4	RS-485 Data Flow Control		172
			Figure A.6 RS-485 Data Flow Control with RTS	172
Chapter	B	Grounding Reference		173
	B.1	Field Grounding and Shielding Applications		174
	B.2	Grounding		174
		B.2.1 The ‘Earth’ for reference		174
			Figure B.1 Think the EARTH as GROUND	174
		B.2.2 The ‘Frame Ground’ and ‘Grounding Bar’		175
			Figure B.2 Grounding Bar	175
			Figure B.3 Normal and Common Modes	175
		B.2.3 Normal Mode and Common Mode		176
			Figure B.4 Normal and Common Modes	176
		B.2.4	Wire Impedance	176
			Figure B.5 High Voltage Transmissions	176
			Figure B.6 Wire Impedance	177
		B.2.5	Single Point Grounding	177
			Figure B.7 Single Point Grounding (1)	177
			Figure B.8 Single Point Grounding (2)	178
	B.3	Shielding		178
		B.3.1	Cable Shield	178
			Figure B.9 Single Isolated Cable	178
			Figure B.10Double Isolated Cable	179
		B.3.2	System Shielding	180
			Figure B.11System Shielding	180
			Figure B.12Cable Characteristics	180
			Figure B.13System Shielding (1)	181
			Figure B.14System Shielding (2)	181
	B.4	Noise Reduction Techniques		182
			Figure B.15Noise Reduction Techniques	182
	B.5	Check Point List		182
Chapter	C	Reference Documents		183
	C.1	Reference Documents		184
	C.2	Topics for Getting Familiar with Multiprog		184

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