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Multi-drop networks
Section 3-4
16
3-4-2
RS-485 network
The following wiring diagram is applicable for a RS-485 network (2-wire).
Figure 3.10: RS-485 network
3-4-3
Network termination
The two ends of a multi-drop network have to be terminated. For the correct
termination of the last NQ-Series in the network, a resistor (120 Ohm) needs
to be applied between R+ (pin 4) and R- (pin 9) on DSUB9 (Male) cable
connector for correct termination.
Summary of Contents for NQ HMI
Page 1: ...NQ Series HMI GETTING STARTED GUIDE Cat No V07 EN 01 NQ3 TQ0 B NQ3 MQ0 B NQ5 SQ0 B NQ5 MQ0 B...
Page 2: ......
Page 6: ......
Page 14: ...Conformance to EC Directives Section 1 7 xiii...
Page 20: ...Specifications per model Section 2 4 6...
Page 78: ...Debugging Section 6 2 64...
Page 88: ...NQ Series diagnostics Section 7 4 74...
Page 144: ...130...