NOTE:
The battery should not be enabled until the unit is eld commissioned and ready for
power to be applied.
The battery can only be replaced with an Ultralife U9VL 9V battery. To prevent losing the
clock settings, install one new battery before removing one old one. Two batteries can be
installed for extended life.
3.5 Discrete Controlled Inputs
The actuator can be controlled by discrete inputs: two-wire control, three-wire control,
four-wire valve control. Connect the power for these discrete inputs as detailed in
Figure 3-6, Control Input Wiring for external and internal power source.
Figure 3-7 details connections for Inhibit and ESD wiring. See Section 3.3,
Electrical Connections for general electrical connection requirements.
Figure 3-6 Control Input Wiring
A. External Power Supply
B. Internal Power Supply
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