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ACT2000
WARNING:
94/9/EC (ATEX) Compliance – Special Conditions for Safe Use:
Two special factory-sealed unions are mounted on the equipment to ensure
the electrical connection to the network and to provide the feedback signal
to the user.
The installation of these devices and the final connections to the conduit
shall comply with the requirements of the European standards.
Power Harness Recommended Wiring
Under normal operation and load, the ACT2000 requires less than one (1) amp
input current.
Under transient operation (under load) the ACT2000 may require up to (20) amps
of current.
The recommended wiring is a two-conductor shielded cable containing twisted-
pair wires with individual shields. Use a wire size large enough to accommodate
the installation and provide a maximum
one (1) ohm loop resistance. See Table
3-1 (below) for recommended wire sizes.
Distance to User Power Wire Size (Minimum)
Up to 500 ft AWG 10 stranded
Over 500 ft Consult Factory
Table 3-1: Power Harness Recommended Wire Size
WARNING:
Shock Hazard – Both the 120 VDC power and auxiliary wires should be
connected. If only the primary power wires are connected, the 120 VDC
auxiliary power wires are electrically “hot” and must be insulated on the
ends.
Note: Use a separate conduit for the power wiring. This will prevent noise
pickup and transmission from ancillary equipment, which could
cause instability in the actuator.
Signal Harness Recommended Wiring
The signal harness contains both analog and digital inputs and outputs. The
analog inputs and outputs are 4mA to 20mA and are electrically isolated up to
500 VAC from the enclosure, 120VDC power, digital I/O, and serial interface. The
analog interfaces are not isolated from each other.
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