Gasboy 800938653, Руководство по установке

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MDE-4813D CFN PLUS Installation Manual · February 2018
32
•
For an electronic pump, wire RS-485 / Current Loop / Tokheim communication cable from
the CFN PLUS to the pump head.
•
Wire one 0.4-inch (10 mm) ground cable from the Mains ground connection to the pump
chassis.
•
The communication cable shield must be connected to ground at one end-side only ,
preferably at the controller installation side (see Figure 2-10 ).
•
For mechanical pumps, wire the control cable, in-use cable, pulser cable, and barrier
cable according to
Table 2-2 .
Figure 2-10 Communications Cable Wiring
2-8.2. TLG wiring
RS-232/LAN is used for communication between the TLG and CFN PLUS. Follow these
installation requirements when installing the RS-232/LAN communications lines:
N
N
O
O
T
T
E
E
These requirements shall be compatible with the
recommendations of the TLG manufacturer.
•
Distance : the following distances must be adhered to when installing the
communication lines:
o
RS-232 : 1-50 feet (1-15 m) for direct connection to a TLG device.
o
LAN : 1 - 330 feet (100 m) for direct connection to a TLG device.
•
Conduit : All directly connected RS-232/LAN cables must be in a separate low
voltage conduit away from any AC wires.
•
Cable : The type of cable required should be according to the device it is connected
to. The wire used must be stranded and not a solid core. Select a cable specification
in accordance with local environment conditions.