Low Voltage Control Wiring
Z-Max Advanced Programming & Systems Design Guide rac00-sdg
Revision A:11/2005 Page 155
Low Voltage Control Wiring
Once the power wiring has been completed, control wiring can be addressed. Control
wiring can be divided into two categories: analog and digital. When dealing with
remote relay panels, only the analog control inputs can be used.
Control Overview
The Leviton Z-MAX relay products use an intelligent central control card (Digital Main
Control Module) and a dedicated system of networking wiring, allowing for control of
the relays in the remote cabinet from any control source connected to the master
relay cabinet and from any low voltage source connected to the remote relay cabinet.
Control input to a relay cabinet can be any combination of the following:
• Low Voltage momentary or maintained through a discreet input
• Momentary 2-Pole On/Off through a discreet input
• Photocell 0-10VDC or Switched through a discreet input
• Occupancy sensor through a discreet input
• 0-10VDC analog through a discreet input
• Dry Contacts through a discreet input
• Various Network control inputs (covered in the next section, "XXXXXX")
Please reference the chart on page page 3 which shows the quantity and types of
inputs available for each cabinet. Excepting only network inputs, all inputs support
every type as shown above. However, EZ-Max cabinets have an additional (2) inputs,
one dedicated to Photocell and one dedicated to Occupancy Sensors.
Remote relay cabinets can accept control inputs which are directly passed to and
processed by the master control panel. To the master, a remote input is treated
identical to a local input, it’s just coming across the network.
The specific wiring requirements for each input type is discussed on the following
pages.
The use of low voltage control inputs on Remote Relay panels is
only available in software release 1.40 and above for both the
master and slave cabinets. If you plan to use this feature,
please make sure that all cabinets have been upgraded.
Additionally, if your cabinet was shipped before 1.40 was
released, the firmware may need to be updated. If you suspect
this is the case, please contact our technical services
department at (800)959-6004.
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