CAUTION
The switch must support and be enabled for Rapid Spanning Tree Protocol (RSTP), otherwise a broadcast storm will occur.
Network restrictions
The network to PICUS, SCADA, AMS and/or Modbus must be connected to the controllers as branches of the DEIF network chain
or ring. Do not place these network connections inside the DEIF network chain or ring.
Ethernet port connections
The Ethernet ports on the controllers are not assigned to a particular service. The controllers detect the equipment connected to the
port. You can therefore use any port for any service.
However, the recommended default connection of the controllers is as follows:
Table 8.2
Recommended default controller connection to the rack
Connection Symbol Ethernet port position Recommended default connection
1 Top of rack, back port DEIF network
2 Top of rack, front port DEIF network
3 Front of rack Service PC/PICUS
4 Bottom of rack, front port Display unit
5 Bottom of rack, back port
• DEIF network
• SCADA
• AMS
• Modbus TCP/IP
Table 8.3 Recommended default display unit connection to the controller
Connection Symbol Ethernet port position Recommended default connection
1 Right side, top port Controller
2 Right side, bottom port Ethernet future use for additional display units
INSTALLATION INSTRUCTIONS 4189340909I UK Page 122 of 144
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