9
Cabling
Adhere to the specified insulation strip length of 0.26 inches (6.5 mm) when you connect field
wiring to the terminal modules; excessive insulation strip lengths causes an electrical hazard. Do
not exceed the specified torque when you secure the wires into the terminal module; maximum
torque is 2.2 inch-pounds (0.25 N-m).
When not using an RTP termination module, input signals may be connected to the 8 channel
analog input card with user fabricated cable or RTP manufactured 3057/FL Flying Lead Analog
cable. 3057/FL cables have a diameter of 0.5 inches (1.27 centimeters) with a minimum bend
radius of 4.6 inches (11.69 centimeters).
Standard length for 3057/00 and 3057/FL cable is 5 feet.
You
must
disable (offline) an I/O card before you can hot-swap it. After you replace an I/O card,
you must enable it to return it to operation. While NetArrays is operating in Debug mode, use the
I/O Configuration Form to disable or enable I/O cards. To hot swap an I/O card, first display the
card’s icon in the I/O Configuration Form. If the I/O card’s icon is red, you can remove it. If the
I/O card’s icon is yellow or green, select the icon and disable it before you remove the card. After
you replace the
I/O card, select the card’s icon and re-enable it. The color of the icon changes to
yellow or green to indicate the card is online.
WARNING!
Dangerous high voltages may be present at the cards’ terminal blocks
during normal operation. When you service these cards, avoid contact with exposed
voltages on the card while you connect the field cabling. The field cabling terminal block
connectors also may have high voltages when disconnected from the card.
Warning!
Never remove the card from the chassis with the termination cables
connected and the field power applied. Always disconnect the field power and cables
before removing the card from the chassis. Always insert the card into the chassis with
the cables and field power disconnected.
