Wiring Alarm Relays; Relay Contacts; Wiring Guidelines - Honeywell Vertex M User Manual

3.8 Wiring Alarm Relays

This section describes relay:
Contacts
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Ratings
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Wiring guidelines

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Use caution when servicing the PLC terminal blocks. Power to contacts is supplied
externally. See "Series 1 Rack Optional Relay Specifications" on page 182 for alarm
relay voltage and contact rating guidelines.

3.8.1 Relay Contacts

The Vertex M system has form-A, single-pole, single- throw relays that activate external alarm
devices. Contacts are available for each circuit to accommodate installation of external devices.
Relay panels are located behind theVertex M LCD screen. See "Series 1 Rack Optional Relay
Specifications" on page 182 for more information.
3.8.2 Wiring Guidelines
To wire the alarm relays:
Use agency approved wire (such as NRTL in the U.S.) with 300 volt insulation.
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Vertex M
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