Using a Honeywell 4219 Zone Expander on a VISTA-50P

In this video, Joe from Alarm Grid explains why you cannot use a Honeywell 4219 Zone Expander with a Honeywell VISTA-50P System. All hardwired zone expansion on the VISTA-50P must come from connecting a polling loop zone expander. Non-polling loop expanders like the 4219 cannot be used with the 50P.

By adding a polling loop expansion module to a VISTA-50P, you are able to add addressable V-Plex Polling Loop devices to the system. Polling loop devices utilize the same wires for both power and data transmissions. The advantage to using polling loop devices is that they allow for longer wire runs than non-polling loop devices. This is often a concern for commercial and industrial locations where longer wire runs are needed. As a result, most panels that support polling loop zone expansion are considered commercial security systems.

The nine (9) on-board wired zones on the VISTA-50P are for non-polling loop devices. These 9 zones can be used with standard hardwired devices. They are not for addressable V-Plex Polling Loop devices. But if you want to increase the number of available wired zones for your VISTA-50P System, then you will need to look into polling loop zone expansion. You will connect compatible polling loop expansion models to the polling loop on your VISTA-50P System. This will allow you to start adding V-Plex Polling Loop Sensors to the system. Compatible polling loop zone expanders for the VISTA-50P include the 4208SN and the 4208U.

Unfortunately, you cannot add standard non-polling loop expanders like the Honeywell 4219 to the VISTA-50P System. All wired expansion must come through the panel's polling loop. Also keep in mind that while a polling loop zone expander will increase the number of available wired zones, you can never exceed the number of total zones for the system. The VISTA-50P can support up to 87 total zones, so as long as you do not go over that number, you can keep adding polling loop zones.

https://www.alarmgrid.com/faq/can-i-use-a-honeywell-4219-zone-expander-on-a-vista-50p

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