Technical data
May 2007
CA05001001E For more information visit: www.eaton.com
19
PLC, I/O & Communications Products
EZ Intelligent Relays
Product Family Overview
Contents
Description Page
EZ Intelligent Relays
EZ 500/700/800/EZD 
Intelligent Relays . . . . . . .  20
EZD Controller 
I/O Modules . . . . . . . . . . .  27
EZ/EZD Expansion 
Modules . . . . . . . . . . . . . .  28
EZ/EZD Communication 
Modules . . . . . . . . . . . . . .  30
EZ Software  . . . . . . . . . . . .  31
EZ/EZD Power Supplies. . .  32
EZ/EZD Accessories . . . . . .  33
EZ Intelligent Relays Product Family
Product Family Overview
The EZ intelligent relays bring timers, 
relays, counters, special functions, 
inputs and outputs into one 
compact 
device that is easily configured.
 The EZ 
family of products provides excep-
tional levels of flexibility together with 
substantial savings in commissioning 
time and effort.
The EZ intelligent relays are available 
in more than 32 different styles that 
support from 12 I/O up to 320 I/O 
points providing the ideal solution for 
lighting, energy management, indus-
trial control, watering, pump control, 
HVAC and home automation.
Once EZ products are installed, changes 
are easily accomplished through front 
panel programming, eliminating the 
need to change wiring and wiring dia-
grams increasing the savings realized.
Other terms often used for intelligent 
relay are relay replacer, control relay 
and smart relay.
Application Description
Generally where multiple relays, timers 
and pushbuttons are used there is an 
opportunity to evaluate switching to 
the EZ Intelligent Relays. Applications 
span residential, commercial and 
industrial installations. Typical applica-
tions are:
■ Car washes.
■ Automatic door control.
■ Commercial lighting.
■ Residential lighting.
■ Exterior lighting.
■ Pump control, 12V DC automotive 
control.
■ Greenhouse control.
■ Crane control.
■ Machinery.
■ Paper/pulp.
■ Elevator control.
■ Livestock feed/gate control.
■ Irrigation control.
■ Cart chargers.
■ Heating and air conditioning.










