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4. Troubleshooting (DeviceNet)
RC700 / RC90 Option Fieldbus I/O Rev.14
281
4.1.3.3 Noise Intrusion
Verify how an error occurrence condition changes while taking the following
countermeasures.
♦
Ground of FG (DRAIN) wire
Normal Grounding: Ground the DeviceNet network at only one point.
Power Supply Tap
V+
CAN H
Shield (S)
CAN L
V-
V+
CAN H
Shield (S)
CAN L
V-
V+ V- S
V+ V- FG
Communications
power supply
24 V DC
Ground 100
Ω
or less.
DeviceNet cable
Countermeasure 1: Disconnect the wire between V- and FG.
Disconnect the wire between V- and FG when you cannot ground the FG wire.
Power Supply Tap
V+
CAN H
Shield (S)
CAN L
V-
V+
CAN H
Shield (S)
CAN L
V-
V+ V- S
V+ V- FG
Communications
Power Supply
24 V DC
Ground 100
Ω
or less.
DeviceNet cable
Disconnect here.
Содержание RC700
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Страница 74: ...2 Installation 62 RC700 RC90 Option Fieldbus I O Rev 14 17 DeviceNet Slave is connected and the icon appears ...
Страница 165: ...2 Installation RC700 RC90 Option Fieldbus I O Rev 14 153 PCI CIFX 50 RE PCI Express CIFX 50E RE ...
Страница 183: ...2 Installation RC700 RC90 Option Fieldbus I O Rev 14 171 17 EtherNet IP Slave is connected and the icon appears ...
Страница 340: ...5 Maintenance Parts List 328 RC700 RC90 Option Fieldbus I O Rev 14 ...