Honeywell 900U02-0100 - Page 170

156 ControlEdge HC900 Process & Safety Controller User and Installation Manual Revision 10
May 2019
Table 22 – Dual Network connections in Figure 90
Key No.
Connection/Description
1a
Connect CPU-A E1 port to Ethernet switch (3a)
1b
Connect CPU-B E1 port to Ethernet switch (3a)
1c
Connect Ethernet switch (3a) to PC Ethernet port
2a
Connect CPU-A E2 port to Ethernet switch (3b)
2b
Connect CPU-B E2 port to Ethernet switch (3b)
2c
Connect Ethernet switch (3b) to Ethernet port
3a
Ethernet switch or router/firewall for CPU-A E1 port
3b
Ethernet switch or router/firewall for CPU-B E1 port
4a
Connect CPU-A I/O port to Ethernet switch (5a)
4b
Connect CPU-B I/O port Ethernet switch (5b)
5a
Ethernet switch for CPU-A’s I/O racks
5b
Ethernet switch for CPU-B’s I/O racks
6a
Connect Ethernet switch (5a) to each I/O rack’s I/O A port
6b
Connect Ethernet switch (5b) to each I/O rack’s I/O B port
7
I/O Racks
8
Connect the (primary) Ethernet port of the 900 control Station to the Ethernet switch, which is
assigned to port E1 of the controller CPUs
9
Connect the Auxiliary Ethernet port of the 900 Control Station to the Ethernet switch, which is
assigned to port E2 of the controller CPUs
10
Connect CPU-A S1 port to PC USB port through RS-485 to USB converter (50089787-001)