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Watlow EZ-ZONE
®
PM Integrated Controller • 4 • Chapter 1 Overview
EZ-ZONE
®
PM Integrated Model 1/16 DIN with a Current Transformer — Input/Output
(no communications options 2 to 3)
Universal Sensor Input, Configuration Communications,
Red/Green 7-Segment Display
Supervisory
&
Power
Board
Slot C
PID
Controller
Board
Slot A
ramp-soak
with 4 files
(optional)
Output 4 none, switched dc, form A
mechanical (5 A) or solid-state (0.5 A)
relay
Output 3 none, switched dc/open
collector, form C mechanical (5 A) or
solid-state (0.5 A) relay, process (V, mA)
Output 2 none, switched dc, no-arc
power control (15 A), form A mechanical
(5 A) or solid-state (0.5 A) relay
Output 1 none, switched dc/open
collector, form C mechanical (5 A) or
solid-state (0.5 A) relay, process (V, mA)
off, heat, cool,
duplex, alarm,
retransmit,
event
off, heat, cool,
alarm, event
off, heat, cool,
alarm, event,
retransmit
off, heat, cool,
alarm, event
EZ Key
programmable event
Digital Output (or Input) 5 (optional)
none, switched dc
Digital Output (or Input) 6 (optional)
none, switched dc
off, heat, cool,
alarm, event
off, heat, cool,
alarm, event
Network
remote user interface,
personal computer,
programmable logic
controller, human-
machine interface
EIA 485 Communications
Standard Bus, Modbus RTU (optional)
Current
Transformer
Board
(optional)
Slot B
Analog Input 1 thermocouple,
RTD, process (V, mV, mA, 1k po-
tentiometer)
Digital Input (or Output) 5
(optional) none, switch, volts dc
Digital Input (or Output) 6
(optional) none, switch, volts dc
Analog Input 2
current transformer
none,
idle set point,
alarm reset,
tune,
silence alarm,
manual/auto mode,
control outputs off,
lock keypad,
force alarm,
TRU-TUNE+
®
disable
loop & alarms off,
profile disable,
profile hold/resume,
profile start,
profile start/stop,
restore user settings
current transformer
input sensor
Input
Functions
Output
Functions
Current Monitoring
• detects heater current flow
• provides an alarm indication of a failed-load issue.