Hamilton Sundstrand Company ACT2000 User Manual

Page 25

WARNING

Property Damage Hazard – The serial inputs are not electrically
isolated

. Failure to properly isolate the user serial interface

could result in actuator or computer damage. Use separate
conduits for power and signal wiring. Close proximity to power lines
may cause signal interference.

Shock Hazard – The serial inputs are not electrically isolated

If the power input is floating (not grounded), the serial input
connections may have up to 120 VDC present.

Property Damage Hazard – DO NOT connect 24 VDC power to any of
the serial interface connections.

Note: The pin designations shown in Table 1-5 are for the COM

port on the computer. Make sure that the wiring to the
COM port mating connector correctly matches Transmit
from the ACT2000 to Receive on the computer’s COM port,
and vice versa.

Note: The maximum distance for serial connections is 50 ft. This

will typically only allow for local interface with a laptop PC.

Note: The serial interface connections are not isolated

Isolation must be provided when connecting to a computer.

INSTALLING THE ACT2000