Epson RC620 Manual page 173
Robot controller option, fieldbus i/o
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Also See for RC620:
- Safety and installation (218 pages) ,
- Manual (2 pages) ,
- Mounting procedure (2 pages)
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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.
Countermeasure 1: Disconnect the wire between V- and FG.
Disconnect the wire between V- and FG when you cannot ground the FG wire.
RC620 Option Fieldbus I/O Rev.8
Power Supply Tap
V+
CAN H
Shield (S)
CAN L
V-
V+ V- S
V+ V- FG
Communications
power supply
24 V DC
Power Supply Tap
V+
CAN H
Shield (S)
CAN L
V-
V+ V- S
V+ V- FG
Communications
Power Supply
24 V DC
V+
CAN H
Shield (S)
DeviceNet cable
CAN L
V-
Ground 100 Ω or less.
V+
CAN H
Shield (S)
DeviceNet cable
CAN L
V-
Disconnect here.
Ground 100 Ω or less.
4. Troubleshooting (DeviceNet)
163
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Troubleshooting
