2.4 Console Wiring
For console power wiring, please refer to the appropriate field wiring
diagram. See Sections 2.7 and 2.8 for the type of console being
installed.
The console must share the same phase with all other OPW ATG
components. Use knockouts “A” in Diagram 2-2 to route three (3) (14
AWG minimum) stranded copper wires for Line, Neutral and Ground.
A fourth wire (12 AWG minimum) is needed if the console is equipped
with an internal I.S. barrier, which is always needed with Integra 100
consoles.
2.4.1 Petro-Net™ Wiring (only for Integra 500)
Wired RS-485 Petro-Net™ connections can be used for
communications among the VSmart module, OM4 and the console.
For this type of connection, a single run of twisted-pair wiring (10
twists per foot) is required. Polarity must always be observed for
Petro-Net connections.
NOTE: Twisted-pair wiring is available from OPW as Part No. 12-
1029.
When connecting via Petro-Net, the twisted-pair wiring is connected
to positions 7 and 8 of the RS-485 terminal block (J21) at each
module. Petro-Net™ connections can be wired parallel, meaning that
modules may be connected to each other in various combinations as
long as one module in the chain is connected to the console.
NOTE: Petro-Net™ connections must be made with twisted-pair
wiring. The use of conduit is recommended for protecting Petro-
Net™ wires, and may be required per NEC depending upon
application. If conduit is not used, bushings must be installed in the
cabinet knockouts to protect wiring and seal the enclosures.
2.4.2 Wireless Connections (only for Integra 500)
Wireless connections can also be used for communications between
the VSmart module and the console. For this type of connection, a
wireless modem is connected to the VSmart module, and a second
modem is wired to the console’s RS-485 port. The VSmart modems
must be within a clear line-of-sight. See figure in Section 2.5. Also,
please refer to the M00-20-7074 Wireless Petro-Net Manual.
NOTE: Wireless connections are not viable options at all installation
sites due to the presence of interference or line-of-site obstacles.
Test kits are available, but A SITE SURVEY IS STRONGLY
RECOMMENDED BEFORE COMMITTING TO WIRELESS
INSTALLATIONS.
2.4.3 Ethernet Connections to VSmart (only for
Integra 500)
When equipped with the optional VSmart LAN capability, Ethernet
connections are the only option for establishing communications
between the console and VSmart. For this type of connection, an
Ethernet cable is run between devices at a maximum length of 300
feet (92 m). This distance can be extended through the use of hubs
and routers.
NOTE: If more than 6 feet (1.85 m) of cable is required, the use of
conduit to protect the cable is recommended.
NOTE: The VSmart module must be ordered with this option.
An Ethernet connection can also be established between the console
and a VSmart Module using an existing network. To make this
connection, simply connect the console to one node on the network
and the VSmart Module to another node. See figure in Section 2.6.
NOTE: You will likely require the site’s IT personnel with this type of
installation.