False Alarm Reduction Features in the SIA CP-01 Standard

Why this matters

Most false alarms are not equipment failures. They are people: someone arms and walks back in for a phone, someone arms "away" and then stays home, someone opens the door and cannot remember the code fast enough. ANSI/SIA CP-01, the control panel standard for false alarm reduction published by the Security Industry Association, is a list of panel behaviors aimed at exactly those mistakes. A panel can be CP-01 compliant out of the box and still be programmed in a way that throws most of that away. Knowing what each feature does, and what turning it off costs, is how a dealer cuts dispatches instead of just paying for them in fines and lost customers.

What the standard is and who it binds

CP-01 is a voluntary consensus standard. It binds nobody on its own. It reaches a dealer three ways:

• Through the panel. A panel built and listed to CP-01 ships with the standard's defaults set and states its compliance in its documentation. Some features can be changed only within ranges the standard allows, and some programming changes take the panel out of compliance; the maker's programming guide marks which.
• Through local ordinance. Some cities and counties require newly installed or replaced panels to be CP-01 compliant, and some require the CP-01 defaults to stay set. Requirements and their effective dates vary by jurisdiction; check the local alarm ordinance before you sell or program a system there.
• Through the dealer's own standard. A shop can adopt CP-01 programming as its default whether or not the locality requires it, which is the only one of the three it fully controls.

The features, one at a time

Each feature below is described in substance. The defaults and allowed ranges for the panel you are programming are in that panel's CP-01 programming table; use those, not memory.

A longer default exit delay. Compliant panels ship with an exit delay long enough for a household to get out without rushing, commonly 60 seconds, with a permitted range set by the standard. A short exit delay is one of the most common causes of the "armed and walked into the alarm" false alarm.

Progress annunciation. The keypad sounds during the exit and entry delays, often faster near the end. The household hears that the system is counting, which matters most for the person who did not arm it.

Exit time restart. If someone re-enters through the exit door during the exit delay, the delay restarts once, so the person who came back for keys can leave again without an alarm.

Automatic stay arming when nobody leaves. If the system is armed away and no exit door opens during the exit delay, the panel assumes everyone is still inside and arms in stay mode, with interior zones such as motion detectors bypassed. This catches the person who arms away by habit and then goes upstairs.

Exit error. If an exit door is still open or re-opens right after the exit delay ends, the panel starts the entry delay instead of sounding an instant alarm, giving the person a chance to disarm. If they do not, the alarm goes out with an exit error report, which tells the station and the dealer the alarm was likely a user leaving, not an intrusion.

Abort window. After a non-fire alarm starts sounding, the panel holds the report for a short window. A disarm inside it means no signal is sent, and the keypad confirms the abort. This is the feature that saves the person who walked in and fumbled the code.

Cancel report. If the code is entered after the abort window, when the alarm has already gone out, the panel sends a cancel report. The operator then knows a valid user disarmed, which usually stops a dispatch or lets the operator call the agency off.

Recent closing. An alarm within a short period after the exit delay ends is sent with a recent closing report, flagging it as likely user error.

Cross zoning. Two zones, typically an interior motion detector and a second detector or a perimeter zone, must both trip within a set time before the panel reports a burglary. One trip alone does not send an alarm. CP-01 asks that cross zoning be available; whether it suits a given house is a design call.

Swinger shutdown. A zone that trips repeatedly in one armed period is shut down after a set number of trips, so a contact chattering in the wind does not send a string of alarms all night.

Fire and other life-safety zones are exempt. None of the delays above apply to fire, carbon monoxide, panic or hold-up. A panel that held a fire signal in an abort window would be a fire hazard, not a false alarm feature.

Worked example: one Monday morning, three possible endings

A household of three arms a CP-01 compliant panel at 07:30. The panel is programmed with a 60-second exit delay, a 30-second entry delay on the front door, a 30-second abort window, and stay arming on, all read from this account's programming. The front door is both the exit and entry door. The kitchen has a motion detector, an interior zone.

07:30:00. A parent arms away at the keypad. The exit delay starts and the keypad begins its countdown tone.

07:30:20. The parent and one child leave through the front door. The exit delay keeps running.

07:30:45. The child comes back through the front door for a backpack. Exit time restart kicks in: the exit delay starts over at 60 seconds.

07:31:15. The child leaves again. The restarted delay ends at 07:31:45, 60 seconds after 07:30:45. The panel is armed away.

Now three versions of the rest of the morning.

Version A: the teenager is still upstairs. The third member of the household never left. Had nobody gone out the door, auto stay would have armed in stay mode and bypassed the kitchen motion. But a door did open during the delay, so the panel armed away with interior zones active. At 07:40:00 the teenager walks into the kitchen. The motion detector is an interior follower zone: it waits out the entry delay only when the front door opened first, and here it did not, so it trips the alarm instantly (see related: Zone Types and What Each One Does When Tripped). The siren starts at 07:40:00 and the abort window runs to 07:40:30. The teenager does not know the code. Nobody disarms, and the alarm goes out at 07:40:30. At 07:43 the parent, called by the station, gives the passcode and the operator cancels.

Lesson for the dealer: auto stay only covers the case where nobody leaves. A household where some leave and some stay needs every user to have a code, and needs to be trained on arming stay. See related: How to Train a Customer on Their Alarm System.

Version B: the parent comes back. At 07:50 the parent returns for a forgotten laptop, opens the front door, and fumbles the code. The entry delay starts at the door opening and runs out at 07:50:30. The siren sounds. The parent gets the code in at 07:50:50, inside the abort window that runs to 07:51:00. No signal is sent. The keypad shows the alarm was aborted. Without the abort window, this would have been a dispatched false alarm.

Version C: the same, but slower. The parent gets the code in at 07:51:20, 20 seconds after the abort window closed. The alarm went out at 07:51:00. The panel now sends a cancel report. The operator sees burglary followed 20 seconds later by a cancel from a valid user and, under most station procedures, calls to confirm rather than dispatching.

Same household, same panel, one feature deciding each ending: auto stay could not help in A because the logic is about whether the exit door opened; the abort window saved B; the cancel report softened C.

What turning features off costs

Dealers turn CP-01 features off for real reasons, and each has a cost.

• Shortening the exit delay because the customer "does not want to wait a minute." The cost is the walked-into-the-alarm false alarm. Shorter is allowed within the standard's range; below it, the panel is out of compliance, and in a jurisdiction that requires compliance, so is the installation.
• Turning off auto stay because the customer leaves through the garage, which is not an exit door on the panel. The real fix is programming the garage door as an exit door so auto stay sees people leave.
• Shortening the abort window to get alarms out faster. It trades response time for false dispatches. If the customer wants faster response, verification is the better lever. See related: Alarm Verification Methods: Calls, Video and Audio.
• Using cross zoning in a small house. In a two-room apartment there may not be two zones an intruder will reliably cross. A burglary that trips only one zone is never reported. Cross zoning fits a larger floor plan with overlapping detection.

How to check what a panel is actually doing

Programming changes over the life of a system: the previous dealer, a remote session, a customer with the installer code. Before blaming the customer for a false alarm, read the panel's current exit delay, entry delays per door, abort window, auto stay setting, swinger count and cross zone assignments, and compare them with the CP-01 table in the maker's guide. Then read the alarm's history at the station: an exit error, a recent closing or a cancel report in the history tells you which feature fired and which user error caused it. See related: Reading Event Codes on a Signal History.

Setting and timing the delays themselves is a procedure, covered in How to Program Entry and Exit Delays and Time Them.

References

• ANSI/SIA CP-01, Control Panel Standard: False Alarm Reduction (current edition), and the panel maker's CP-01 programming table
• Local alarm ordinance where the account sits, for any CP-01 requirement
• See related: How to Program Entry and Exit Delays and Time Them
• See related: Alarm Verification Methods: Calls, Video and Audio
• See related: Zone Types and What Each One Does When Tripped