Installation
3-8
Part 1079832_04
E 2015 Nordson Corporation
Electrical Installation
Electrical installation involves connecting the solenoid valves to a triggering
device and connecting cordsets. Before making any electrical connections,
complete the procedures in Applicator Installation, Hose Installation, and Air
Supply Installation.
Connect the Cordsets
Go to Cordset Connection in Section 11, Electrical System, to connect the
adhesive and heated air manifold cordsets. Return here to continue.
Connect the Solenoid Valves
CAUTION! Using a 24 VDC solenoid with an integral boost circuit and a
pattern control unit that provides a spiked output will damage the internal
circuitry of the solenoid valve. Ensure that the output signal characteristics of
the pattern control unit are compatible with the type of solenoid valve on the
Speed‐Coat module.
Connect the solenoid valves to a triggering device. The solenoid valves may
be controlled by an external power supply (such as a melter control system)
or through the solenoid valve control leads on the hose. Secure the solenoid
valve plug with the clamp if necessary.
NOTE: The Speed‐Coat control module is available with a standard 24VDC
solenoid valve or a 24VDC solenoid valve with an integral boost circuit:
S The solenoid valve without the integral boost circuit is used when the
pattern control unit provides a spiked output and causes the output
trigger voltage to exceed 24VDC. Spiked pattern control outputs are
common on high‐performance pattern control systems.
S The solenoid valve with the integral boost circuit provides faster
solenoid valve actuation times and is used with an unaltered 24 VDC
actuation signal, which is common on many PLS‐based pattern
control systems.
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