5 Electrical connections
5.8.4 Communication, Ethernet
136 A 3HAC 16245-1
5.8.4 Communication, Ethernet
General The robot has two Ethernet channels available:
• LAN (connected to the Main computer)
• Service (connected to the I/O computer)
Connection of
LAN (Main com-
puter)
The figure below shows an outline diagram of the Ethernet TCP/IP:
xx0100000217
Used for connection of shielded twisted-pair Ethernet (TPE), or as defined in IEEE 802.3: 10/
100 BASE-T. Maximum node-to-node distance 100 meter. The main computer board has no
termination for a cable shield. The cable shield must be grounded at the cabinet wall with a
cable gland. 10BASE-T is a point-to-point net, connected via a HUB, see the figure above.
The figure below shows the main computer board front:
A External computer
B Controller Robot 1
C Controller Robot 2
Signal X1 Pin Description
TX+ 1 Transmit data line +
TX- 2 Transmit data line -
RX+ 3 Receive data line +
NC 4 Not Connected
NC 5 Not Connected
RX- 6 Receive data line -
NC 7 Not Connected
NC 8 Not Connected
Ethernet hub
ABC
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