MEC 20 MICROPROCESSOR ENGINE/GENERATOR CONTROLLER
PM047 Rev 13 05/03/30
10
Thomson Technology
•
Use separate, dedicated conduit runs for all communication cables. Do not
tightly bundle communication cables together in the conduit. Conduit should be
ferromagnetic type near sources of possible electrical interference. The entire
length of conduit should be grounded to building earth ground.
•
When communication cables must cross over low or high voltage AC power
conductors, the communication cables must cross at right angles and not in
parallel with the conductors.
For additional information on protection against electrical interference, contact Thomson
Technology factory.
2.11. EXPANSION OUTPUT MODULE LOCATION/INSTALLATION
The expansion module(s) are to be mounted inside a control panel using four screws
with stand-offs provided. The expansion module must be mounted within 300 metres
(1000 feet) wiring distance from the MEC 20 using an 8 conductor shielded cable
provided with the module. The communication cable must not be bundled together with
other control wiring inside the panel. Mounting dimensions for the expansion output
module are shown in FIGURE #5.
7.62 mm
137.16 mm
152.4 mm
152.4 mm
7.62 mm
137.16 mm
4 HOLES
4.75 MM
DIAMETER
(3/16" DRILL)
FIGURE #5: MEC 20 EXPANSION MODULE MOUNTING DIMENSIONS
G:\ENGINEER\PRODUCTS\MEC20\MEC20_14.VSD
DRAWING SCALE .75:1
0.00 mm
0.00 mm
Summary of Contents for MEC 20
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