Devicenet Wiring - Omron NE1A-EDR01 Operation Manual

Wiring
ED Router
Ground with max.
resistance of
100-Ω
Independent ground: Correct
2-2-3

DeviceNet Wiring

Wiring Cables
IMPORTANT
Other devices ED Router
Note Ground correctly to avoid malfunctioning due to noise.
Wire the DeviceNet communications cable as shown in the following diagram.
Stickers are placed on the communication connectors based on the color of
each communications wire. By matching the communications wire colors with
the connector sticker colors, you can check to see if wires are in the correct
locations. The colors of the wires are as follows:
Color
Red
White
-
Blue
Black
• Turn OFF the power supply to the NE1A-series Controller, to all nodes on
the network, and to communications lines before starting any wiring oper-
ations.
• Tighten the DeviceNet connector to the appropriate torque (0.25 to
0.3 N·m).
• Separate the DeviceNet communications cables from high-voltage/current
lines.
Other devices
Shared ground: Incorrect
Description
V+
Signal (CAN H)
Drain
Signal (CAN L)
V−
Section 2-2
ED Router Other devices
11