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    • Home  / Product Manuals & Documentation
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    United Security Products USPLS — AD-2001 Power Supervisory Hookup Diagram

    September 08, 2026 2 min read

    Wiring diagram for the United Security Products AD-2001 Power Supervisory Hookup, showing PP-1, AC-2, PRS, and PLS connections.

    💾 Download Original PDF 🛒 View Product
    Full text manual (for reference)

    Wiring diagram and reference guide for the United Security Products AD-2001 Power Supervisory Hookup, showing how the PP-1 power pack, AC-2 adapters, PRS (Power Restored Sensor), and PLS (Power Loss Sensor) modules connect to the AD-2001 panel.

    Overview

    This is a wiring/hookup diagram for the AD-2001 Power Supervisory system from United Security Products, illustrating how the power supervisory components — a PP-1 power pack, two AC-2 plug-in transformers, a Model PRS (Power Restored Sensor) module, and a Model PLS (Power Loss Sensor) module — connect to the terminal block on the rear of the AD-2001 panel.

    AD-2001 Power Supervisory Hookup wiring diagram
    AD-2001 Power Supervisory Hookup — full wiring diagram showing PP-1, AC-2, PRS, and PLS connections to the terminal block.

    Important Programming Notice

    Before wiring, consult the AD-2001 manual for detailed programming information. Configure the channels as follows:

    • Program Channel 1 for N.O. (Normally Open), Continuous
    • Program Channel 2 for N.C. (Normally Closed), Continuous

    Terminal Block Layout

    The AD-2001 rear-panel terminal block (labeled "CHANNELS") provides the following terminals: +12V, 1, C, 2, C, −, AUX OUT. A secondary terminal block provides IN / LINE SEIZE / OUT connections.

    Wiring Connections

    From To Wire Color(s)
    PP-1 Power Pack AD-2001 panel Direct plug connection (coiled cord)
    AC-2 (upper) Terminal block (+12V / −) Black, Black w/ White Stripe
    Terminal block PRS module (coil side) Red, Blue
    PRS module Terminal block channels Yellow (N.C.), Black (C)
    AC-2 (lower) PLS module Power feed
    PLS module Terminal block channels Yellow (N.C.), Black (C)

    Electrical Specifications

    Parameter Value
    Nominal Voltage 12 Vdc
    Coil Resistance 960 Ohms (±10%)
    Nominal Current 12.5 mA
    Pick-Up Voltage 8.4 Vdc
    Release Voltage 1.2 Vdc
    Max. Voltage 30 Vdc
    Nom. Power Consumption 0.15 W

    Manufacturer

    United Security Products, Inc.