2-8. WIRING THE PERIPHERALS
2-8.1. Pump Wiring
Islander PLUS is capable of directly driving pump motors up to 3/4 HP at 115 VAC or 1-1/2 HP at
230 VAC. Additional external relay must be used if pump motor exceed this limitations. A separate
circuit breaker should be supplied for each dispenser. Wire the pump as follows:
• Wire one Mains AC cable from the UPS-MCC to the pump enclosure, intended for
the pump motor.
• For an electronic pump, wire RS485 / Current Loop / Tokheim communication cable
from the Islander PLUS to the pump head.
• Wire one 0.4" (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).
Figure 2-10 Communications Cable Wiring
2-8.2. TLG wiring
RS-232/LAN is used for communication between the TLG and Islander PLUS. Follow these
installation requirements when installing the RS-232/LAN communications lines:
NOTE
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.
Islander PLUS Manual
41
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