Networking; Figure 23 Networking With Openbas-Nwk-Eth3 With The Included Cable; Figure 24 Networking With Openbas-Nwk-Eth3 Over Rs-458 - Mircom OpenBAS-HV-NX10 Series Installation Manual

4.7

Networking

Figures 23 and 24 show how to add a controller to a network with OpenBAS-NWK-ETH3.
Each OpenBAS device must be powered separately.
Connect the SPI port on OpenBAS-NWK-ETH3 to the SPI port on the OpenBAS-HV-NX10
series controller with the included cable, as shown in Figure 23. See section 3.4 on page 17
for information about the SPI port.
Cat 5 cable
RS-485

Figure 23 Networking with OpenBAS-NWK-ETH3 with the included cable

OpenBAS-NWK-ETH3 can also connect to one of the RS-485 connections on the OpenBAS-
HV-NX10 series controller, as shown in Figures 24 and 25. See section 4.7.1 on page 37 for
information on the RS-485 ports.
Cat 5 cable
RS-485

Figure 24 Networking with OpenBAS-NWK-ETH3 over RS-458

4.7.1 RS-485 Details
Figure 25 shows 3 controllers networked with RS-485. The list of supported protocols is in
chapter 5.
• 22 AWG twisted pair
• Maximum length: 1219.2 m (4000 feet)
• Mircom recommends shielded cable
OpenBAS-NWK-ETH3
Maximum 50 cm (20")
RS-485
OpenBAS-NWK-ETH3
RS-485
OpenBAS-HV-NX10 Series
OpenBAS-HV-NX10 Series
Field Wiring
37 (45)