Watlow EZ-ZONE PM User Manual
EZ-ZONE® PM
ISO 9001
User’s Guide
0600-0059-0000 Rev. M Made in the U.S.A.
Integrated Controller Models
SATISFACTION
1241 Bundy Boulevard., Winona, Minnesota USA 55987
Phone: +1 (507) 454-5300, Fax: +1 (507) 452-4507 http://www.watlow.com
Winona, Minnesota USA
TOTAL
CUSTOMER
3 Year Warranty
Registered Company
April 2013
Safety Information
We use note, caution and warning symbols throughout this book to draw your attention to important
operational and safety information.
A “NOTE” marks a short message to alert you to
an important detail.
A “CAUTION” safety alert appears with information that is important for protecting your equipment and performance. Be especially careful to
read and follow all cautions that apply to your
application.
A “WARNING” safety alert appears with information that is important for protecting you,
others and equipment from damage. Pay very
close attention to all warnings that apply to your
application.
The electrical hazard symbol, Ó (a lightning bolt
in a triangle) precedes an electric shock hazard
CAUTION or WARNING safety statement.
Symbol Explanation
CAUTION – Warning or Hazard
that needs further explanation
than label on unit can provide.
Consult User's Guide for further
information.
ESD Sensitive product, use proper
grounding and handling techniques when installing or servicing product.
Unit protected by double/reinforced insulation for shock hazard
prevention.
Do not throw in trash, use proper
recycling techniques or consult
manufacturer for proper disposal.
Enclosure made of Polycarbonate
material. Use proper recycling
techniques or consult manufacturer for proper disposal.
Unit can be powered with either
alternating current (ac) voltage or
direct current (dc) voltage.
Unit is a Listed device per Underwriters Laboratories®. It has
been evaluated to United States
and Canadian requirements for
Process Control Equipment. UL
61010 and CSA C22.2 No. 61010.
File E185611 QUYX, QUYX7.
See: www.ul.com
Unit is a Listed device per Underwriters Laboratories®. It has
been evaluated to United States
and Canadian requirements for
Hazardous Locations Class 1
Division II Groups A, B, C and
D. ANSI/ISA 12.12.01-2007. File
E184390 QUZW, QUZW7. See:
www.ul.com
Unit is compliant with European
Union directives. See Declaration
of Conformity for further details
on Directives and Standards used
for Compliance.
Unit has been reviewed and approved by Factory Mutual as a
Temperature Limit Device per FM
Class 3545 standard. See: www.
fmglobal.com
Unit has been reviewed and approved by CSA International for
use as Temperature IndicatingRegulating Equipment per CSA
C22.2 No. 24. See: www.csa-inter-
national.org
Unit has been reviewed and approved by ODVA for compliance
with DeviceNet communications
protocol. See: www.odva.org
Unit has been reviewed and approved by ODVA for compliance
with Ethernet/IP communications
protocol. See: www.odva.org
Warranty
The EZ-ZONE® PM is manufactured by ISO
9001-registered processes and is backed by a threeyear warranty to the first purchaser for use, providing that the units have not been misapplied. Since
Watlow has no control over their use, and sometimes misuse, we cannot guarantee against failure.
Watlow’s obligations hereunder, at Watlow’s option,
are limited to replacement, repair or refund of purchase price, and parts which upon examination prove
to be defective within the warranty period specified.
This warranty does not apply to damage resulting
from transportation, alteration, misuse or abuse. The
purchaser must use Watlow parts to maintain all
listed ratings.
Technical Assistance
If you encounter a problem with your Watlow controller, review your configuration information to verify
that your selections are consistent with your application: inputs, outputs, alarms, limits, etc. If the problem persists, you can get technical assistance from
your local Watlow representative (see back cover), by
e-mailing your questions to wintechsupport@watlow.
com or by dialing +1 (507) 494-5656 between 7 a.m.
and 5 p.m., Central Standard Time (CST). Ask for for
an Applications Engineer. Please have the following
information available when calling:
• Complete model number
• All configuration information
• User's Guide
• Factory Page
Return Material Authorization (RMA)
1. Call Watlow Customer Service, (507) 454-5300, for a
Return Material Authorization (RMA) number before
returning any item for repair. If you do not know why
the product failed, contact an Application Engineer or
Product Manager. All RMA’s require:
• Ship-to address
• Bill-to address
• Contact name
• Phone number
• Method of return shipment
• Your P.O. number
• Detailed description of the problem
• Any special instructions
• Name and phone number of person returning the
product.
2. Prior approval and an RMA number from the Customer
Service Department is required when returning any
product for credit, repair or evaluation. Make sure the
RMA number is on the outside of the carton and on all
paperwork returned. Ship on a Freight Prepaid basis.
3. After we receive your return, we will examine it and try
to verify the reason for returning it.
4. In cases of manufacturing defect, we will enter a repair
order, replacement order or issue credit for material
returned. In cases of customer misuse, we will provide
repair costs and request a purchase order to proceed
with the repair work.
5. To return products that are not defective, goods must
be in new condition, in the original boxes and they must
be returned within 120 days of receipt. A 20 percent
restocking charge is applied for all returned stock controls and accessories.
6. If the unit is not repairable, you will receive a letter of
explanation. and be given the option to have the unit
returned to you at your expense or to have us scrap the
unit.
7. Watlow reserves the right to charge for no trouble found
(NTF) returns.
The EZ-ZONE PM User's Guide is copyrighted by Watlow
Electric, Inc., © April 2013 with all rights reserved.
EZ-ZONE PM is covered by U.S. Patent Numbers:
6005577; D553095; D553096; D553097; D560175; D55766;
and OTHER PATENTS PENDING
TC
Table of Contents
Chapter 1: Overview .....................................4
Standard Features and Benefits ............................... 4
Optional Features and Benefits ................................ 5
A Conceptual View of the PM ................................. 6
Getting Started Quickly .................................... 7
Chapter 2: Install and Wire ................................16
Dimensions .............................................. 16
Installation .........................................20
Wiring .................................................. 22
Network Status .....................................36
Module Status ......................................36
Activity Status ......................................36
Link Status ........................................36
Network Status .....................................38
Module Status ......................................38
Chapter 3: Keys and Displays ..............................42
Attention Codes ..........................................43
Chapter 4: Home Page ...................................45
Chapter 5: Operations Page ...............................52
Analog Input Menu ........................................ 54
Linearization Menu ........................................ 54
Process Value Menu ....................................... 55
Digital Input/Output Menu ..................................56
Limit Menu .............................................. 57
Monitor Menu ............................................ 57
Control Loop Menu ........................................ 58
Alarm Menu ............................................. 61
Current Menu ............................................62
Math Menu .............................................. 63
Special Output Function Menu ...............................64
Profile Status Menu .......................................65
Watlow EZ-ZONE® PM Integrated Controller • 1 • Table of Contents
TC
Table of Contents (cont.)
Chapter 6: Setup Page ...................................67
Analog Input Menu ........................................ 69
Linearization Menu ........................................ 71
Process Value Menu ....................................... 74
Digital Input / Output Menu ................................. 75
Limit Menu .............................................. 79
Control Loop Menu ........................................ 80
Output Menu ............................................. 85
Alarm Menu ............................................. 88
Current Menu ............................................91
Math Menu .............................................. 92
Special Output Function Menu ...............................93
Function Key ............................................. 94
Global Menu ............................................. 95
Communications Menu ..................................... 98
Real Time Clock Menu .................................... 102
Chapter 7: Profiling Page ................................103
Profile Setup ............................................ 103
Starting a Profile ......................................... 104
Profiling Menu .......................................... 107
Chapter 8: Factory Page .................................113
Custom ............................................... 114
Lock Menu .............................................114
Unlock Menu ...........................................116
Diagnostics Menu ........................................ 116
Calibration Menu ........................................118
Chapter 9: Features ....................................119
Changing PM Integrated Model Number to PM Express .......... 121
Tuning the PID Parameters ................................. 123
Inputs .................................................125
Outputs ................................................ 128
Resetting a Tripped Limit .................................. 130
Control Methods ......................................... 131
Alarms ................................................136
Watlow EZ-ZONE® PM Integrated Controller • 2 • Table of Contents
TC
Table of Contents (cont.)
Current Sensing .........................................138
Open Loop Detection .....................................138
Programming the EZ Key/s ................................. 138
Using Lockout and Password Security ........................ 139
Using Lockout Method 1 (Read and Set Lock) .................. 139
Using Lockout Method 2 (Password Enable) ................... 140
Modbus - Using Programmable Memory Blocks ................ 142
CIP - Communications Capabilities ..........................142
CIP Implicit Assemblies ................................. 143
Compact Assembly Class ................................ 143
Modifying Implicit Assembly Members .....................143
Profibus DP - (Decentralized Peripherals) ..................... 144
Software Configuration .................................... 144
Searching Network for Devices. . . . . . . . . . . . . . . . . . . . . . . . 145
Available Network Devices Displayed ...................145
Chapter 10: Applications ................................148
Example 1: Single Loop Control .......................148
Example 2: Sensor Backup ........................... 148
Example 3: Square Root .............................149
Example 4: Ratio ................................... 149
Example 5: Differential ..............................150
Example 6: Cascade ................................150
Example 7: Wet Bulb / Dry Bulb .......................152
Example 8: Vaisala .................................152
Example 9: Motorized Valve Control ....................153
Chapter 11: Appendix ..................................154
Troubleshooting Alarms, Errors and Control Issues .............. 154
Modbus - Programmable Memory Blocks .....................158
CIP Implicit Assembly Structures ............................ 160
Compact Class Assembly Structure ..........................161
Specications .....................................168
Ordering Information for PM Integrated Controller Models ........171
Index .................................................. 172
How to Reach Us ........................................ 178
Watlow EZ-ZONE® PM Integrated Controller • 3 • Table of Contents
1
Chapter 1: Overview
The EZ-ZONE® PM takes the pain out of solving your thermal loop requirements.
Watlow’s EZ-ZONE PM controllers offer options to reduce system complexity and the cost of control-loop
ownership. You can order the EZ-ZONE PM as a PID controller or an over-under limit controller, or you can
combine both functions in the PM Integrated Limit Controller. You now have the option to integrate a highamperage power controller output, an over-under limit controller and a high-performance PID controller all in
space-saving, panel-mount packages. You can also select from a number of serial communications options to
help you manage system performance.
It just got a whole lot easier to solve the thermal requirements of your system. Because the EZ-ZONE PM
controllers are highly scalable, you only pay for what you need. So if you are looking for a PID controller, an
over-under limit controller or an integrated controller, the EZ-ZONE PM is the answer.
Standard Features and Benefits
Advanced PID Control Algorithm
• T RU-TU N E +® Adaptive tune provides tighter control for demanding applications.
• Auto Tune for fast, efficient start ups
EZ-ZONE configuration communications and software
• Saves time and improves the reliability of controller set up
FM Approved Over-under Limit with Auxiliary Outputs
• Increases user and equipment safety for over-under temperature conditions
• To meet agency requirements, output 4 is the fixed limit output. Other outputs can be configured to mirror
the limit output (4).
Parameter Save & Restore Memory
• Reduces service calls and down time
Agency approvals: UL Listed, CSA, CE, RoHS, W.E.E.E. FM, SEMI F47-0200, Class 1, Div 2 rating
on selected models
• Assures prompt product acceptance
• Reduces end product documentation costs
EZ-Key/s
• Programmable EZ-Key enables simple one-touch operation of repetitive user activities
Programmable Menu System
• Reduces set up time and increases operator efficiency
Three-year warranty
• DemonstratesWatlow’sreliabilityandproductsupport
Touch-safe Package
• IP2X increased safety for installers and operators
P3T Armor Sealing System
• NEMA 4X and IP66 offers water and dust resistance, can be cleaned and washed down (indoor use only)
• Backed up by UL 50 independent certification to NEMA 4X specification
Removable cage clamp wiring connectors
• Reliable wiring, reduced service calls
• Simplified installation
Watlow EZ-ZONE® PM Integrated Controller • 4 • Chapter 1 Overview
Heat-Cool Operation
• Provides application flexibility with accurate temperature and process control
Optional Features and Benefits
High-amperage Power Control Output
• Drives 15 amp resistive loads directly
• Reduces component count
• Saves panel space and simplifies wiring
• Reduces the cost of ownership
Integrated PID and Limit Controller
• Reduces wiring time and termination complexity compared to connecting discrete products
• Decreases required panel space
• Lowers installation costs
• Increases user ad equipment safety for over/under temperature conditions
Current Monitoring
• Detects heater current flow and provides alarm indication of a failed output device or heater load
Serial Communications Capabilities
• Provides a wide range of protocol choices including Modbus® RTU, EtherNet /IPTM, PCCC (Programmable
Controller Communications Commands),
DeviceNet
• Supports network connectivity to a PC or PLC
TM
, Modbus
®
TCP, and Profibus DP
Dual Channel Controller
• For selected models provides two PID controllers in one space saving package
Enhanced Control Capabilities
• Easily handle complex process problems such as cascade, ratio, differential, square-root, motorized valve
control without slidewire feedback, wet-bulb/dry-bulb and compressor control
Full-featured Alarms
• Improves operator recognition of system faults
• Control of auxiliary devices
Ten Point Linearization Curve
• Improves sensor accuracy
Remote Set Point Operation
• Supports efficient set point manipulation via a master control or PLC
Retransmit Output
• Supports industry needs for product process recording
Profile Capability
• Preprogrammed process control
• Ramp and soak programming with four files and 40 total steps
Watlow EZ-ZONE® PM Integrated Controller • 5 • Chapter 1 Overview
A Conceptual View of the PM
The flexibility of the PM’s software and hardware allows a large range of configurations. Acquiring a better
understanding of the controller’s overall functionality and capabilities while at the same time planning out
how the controller can be used will deliver maximum effectiveness in your application.
It is useful to think of the controller in terms of functions; there are internal and external functions. An
input and an output would be considered external functions where the PID calculation or a logic function
would be an internal function. Information flows from an input function to an internal function to an output
function when the controller is properly configured. A single PM controller can carry out several functions
at the same time, for instance closed-loop control, monitoring for several different alarm situations, performing logical operations and operating switched devices, such as lights and motors. Each process needs to be
thought out carefully and the controller’s various functions set up properly.
Input Functions
The inputs provide the information that any given programmed procedure can act upon. In a simple form,
this information may come from an operator pushing a button or as part of a more complex procedure it may
represent a remote set point being received from another controller.
Each analog input typically uses a thermocouple, thermistor or RTD to read the temperature of some-
thing. It can also read volts, current or resistance, allowing it to use various devices to read humidity, air
pressure, operator inputs and others values. The settings in the Analog Input Menu (Setup Page) for each
analog input must be configured to match the device connected to that input.
Each digital input reads whether a device is active or inactive. A PM with digital input-output (DIO) hard-
ware can include up to eight DIO each of which can be used as either an input or an output. Each DIO must
be configured to function as either an input or output with the Direction parameter in the Digital Input/Output Menu (Setup Page).
The Function or EZ Key on the front panel of the PM also operates as a digital input by toggling the func-
tion assigned to it in the Digital Input Function parameter in the Function Key Menu (Setup Page).
Internal Functions
Functions use input signals to calculate a value. A function may be as simple as reading a digital input to set
a state to true or false, or reading a temperature to set an alarm state to on or off. Or, it could compare the
temperature of a process to the set point and calculate the optimal power for a heater.
To set up an internal function, it’s important to tell it what source, or instance, to use. For example, an
alarm may be set to respond to either analog input 1 or 2 (instance 1 or 2, respectively).
Output Functions
Outputs can perform various functions or actions in response to information provided by a function, such as
operating a heater, driving a compressor, turning a light on or off, unlocking a door etc...
Assign an output to a Function in the Output Menu or Digital Input/Output Menu. Then select which in-
stance of that function will drive the selected output. For example, you might assign an output to respond to
alarm 4 (instance 4) or to retransmit the value of analog input 2 (instance 2).
You can assign more than one output to respond to a single instance of a function. For example, alarm 2
could be used to trigger a light connected to output 1 and a siren connected to digital output 5.
Input Events and Output Events
Input and output events are internal states that are used exclusively by profiles. The source of an event input can come from a real-world digital input or an output from another function. Likewise, event outputs may
control a physical output such as an output function block or be used as an input to another function.
Watlow EZ-ZONE® PM Integrated Controller • 6 • Chapter 1 Overview
Getting Started Quickly
EZ-ZONE PM Default Configuration
The PM control has a page and menu structure that is listed below along with a brief description of its purpose.
Setup Page
Push and hold the up and down keys (¿ ¯)
for 6 seconds to enter. (See the Setup Page
Once received, a user would want to setup their control prior
to operation. As an example, define the input type and set
the output cycle time.
for further information)
Operations Page
Push and hold the up and down keys (¿ ¯)
for 3 seconds to enter. (See the Operations
Page for further information)
After setting up the control to reflect your equipment, the
Operations Page would be used to monitor or change runtime settings. As an example, the user may want to see how
much time is left in a profile step or perhaps change the
limit high set point.
Factory Page
Push and hold the Infinity and the green Advance keys (ˆ ‰) for 6 seconds to enter. (See
the Factory Page for further information)
Home Page
The control is at the Home Page when initially powered up.
Profile Page
Push and hold the the green Advance key ‰
For the most part the Factory Page has no bearing on the
control when running. A user may want to enable password
protection, view the control part number or perhaps create a
custom Home Page.
Pushing the green Advance key ‰ will allow the user to see
and change such parameters as the control mode, enable autotune and idle set point to name a few.
If equipped with this feature a user would want to go here
to configure a profile.
for 6 seconds to enter. (See the Profile Page
for further information)
The default PM loop configuration out of the box is shown below:
• Analog Input functions set to thermocouple, type J
•Heat algorithm set for PID, Cool set to off
•Output 1 set to Heat
•Control mode set to Auto
•Set point set to 75 °F
If you are using the input type shown above, simply connect your input and output devices to the control.
Power up the control and push the up arrow ¿ on the face of the control to change the set point from the
default value of 75 °F to the desired value. As the Set Point increases above the Process Value, output 1 will
come on and it will now begin driving your output device. The PV function as shown in the graphic below is
only available with PM4/8/9 models.
Note:
The output cycle time will have a bearing on the life of mechanical relay outputs and can be different based
on the type of output ordered. The output cycle time can be changed in the Setup Page under the Output
Menu.
Input
Function
Input Sensor
Analog Input 1
Thermocouple Type J
Process
Value
(PV)
Function
Off
PID
Controller
Heat
Loop 1
Output 1
Output
Function
Heat
Watlow EZ-ZONE® PM Integrated Controller • 7 • Chapter 1 Overview
EZ-ZONE® PM Integrated Model 1/16 DIN System Diagram
Note:
Number of inputs and outputs and various combinations of the same will vary
depending upon part number; see ordering matrix for more detail.
Output Status
5
132
4
Zone
Address
6
With a Current Transformer, Without Communications Card (Slot B)
Input
Functions
Input Sensor
- None
- Idle set point
- Tune
- Alarm clear, request
- Force alarm
- Silence alarm
- Manual/auto mode
- Control outputs off
- Remote set point
enable
- Lock keypad
- TRU-TUNE+
- Loop & alarms off
- Profile disable
- Profile hold/resume
- Profile start
- Profile start/stop
- Restore user settings
- Event inputs
Controllers, PLC, PC
®
disable
RUI, EZ-ZONE
or HMI
Analog Input 1
none, Thermocouple, RTD (100Ω,
1kΩ), Thermistor 5kΩ, 10kΩ, 20kΩ,
40kΩ) Process (V, mV, mA) or 1k
Potentiometer
Digital Input (or Output) 5 & 6
(optional) none, switch, volts dc
EZ Key
Programmable Event
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
PID
Controller
(Optional -
Ramp/Soak max 4
files, 40 steps)
Slot A
(Optional)
Modbus
Address
1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Slot C
Output 1
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Digital Output (or Input) 5 & 6
(optional) none, switched dc
Output
Functions
off, heat, cool
alarm, retransmit,
duplex, event
off, heat, cool
alarm, event
off, heat, cool
alarm, event
Current
Transformer
Analog Input 2
Current Transformer
Current Monitoring
• detects heater current flow
• provides an alarm indication of a failed-load issue.
Current
Transformer
Board
(optional)
Slot B
Output 3
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 4
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
off, heat, cool
alarm, retransmit,
duplex, event
off, heat, cool
alarm, event
Indicates Zone
Address
Indicates I/O
Status
Watlow EZ-ZONE® PM Integrated Controller • 8 • Chapter 1 Overview
EZ-ZONE® PM Integrated Model 1/16 DIN System Diagram
Note:
Number of inputs and outputs and various combinations of the same will vary
depending upon part number; see ordering matrix for more detail.
Output Status
5
132
4
Zone
Address
6
With Auxillary Input, Without Communications Card (Slot B)
Input
Functions
Input Sensor
- None
- Idle set point
- Tune
- Alarm clear, request
- Force alarm
- Silence alarm
- Manual/auto mode
- Control outputs off
- Remote set point
enable
- Lock keypad
- TRU-TUNE+
- Loop & alarms off
- Profile disable
- Profile hold/resume
- Profile start
- Profile start/stop
- Restore user settings
- Event inputs
Controllers, PLC, PC
®
disable
RUI, EZ-ZONE
or HMI
Analog Input 1
none, Thermocouple, RTD (100Ω,
1kΩ), Thermistor 5kΩ, 10kΩ, 20kΩ,
40kΩ) Process (V, mV, mA) or 1k
Potentiometer
Digital Input (or Output) 5 & 6
(optional) none, switch, volts dc
EZ Key
Programmable Event
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
PID
Controller
(Optional -
Ramp/Soak max 4
files, 40 steps)
Slots A
(Optional)
Modbus
Address 1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Slot C
Output 1
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Digital Output (or Input) 5 & 6
(optional) none, switched dc
Output
Functions
off, heat, cool
alarm, retransmit,
duplex, event
off, heat, cool
alarm, event
off, heat, cool
alarm, event
Input Sensor
Analog Input 2
none, CT, Thermocouple, RTD (100
Ω, 1kΩ), Thermistor 5kΩ, 10kΩ,
20kΩ, 40kΩ) Process (V, mV, mA)
Auxillary
Input
(optional)
Output 3
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
off, heat, cool
alarm, retransmit,
duplex, event
or 1k Potentiometer
Slot B
Output 4
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
off, heat, cool
alarm, event
Indicates Zone
Address
Indicates I/O
Status
Remote Set Point Operation
• Supports efficient set point manipulation from a remote device, such as a master control or PLC.
Watlow EZ-ZONE® PM Integrated Controller • 9 • Chapter 1 Overview
EZ-ZONE® PM Integrated Model 1/16 DIN With Limit, System Diagram
Note:
Number of inputs and outputs and various combinations of the same will vary
depending upon part number; see ordering matrix for more detail.
Output Status
513
2
4
Zone
Address
6
Without Communications Card (Slot B)
Input
Functions
Input Sensor
- None
- Limit reset
- Idle set point
- Tune
- Alarm clear, request
- Force alarm
- Silence alarm
- Manual/auto mode
- Control outputs off
- Remote set point
enable
- Lock keypad
- TRU-TUNE+
- Loop & alarms off
- Profile disable
- Profile hold/resume
- Profile start
- Profile start/stop
- Restore user settings
- Event inputs
Controllers, PLC, PC
®
disable
RUI, EZ-ZONE
or HMI
Analog Input 1
none, Thermocouple, RTD (100Ω,
1kΩ), Thermistor 5kΩ, 10kΩ, 20kΩ,
40kΩ) Process (V, mV, mA) or 1k
Potentiometer
Digital Input (or Output) 5 & 6
(optional) none, switch, volts dc
EZ Key
Programmable Event
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
PID
Controller
(Optional -
Ramp/Soak max 4
files, 40 steps)
Slots A
(Optional)
Modbus
Address 1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Slot C
Output 1
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Digital Output (or Input) 5 & 6
(optional) none, switched dc
Output
Functions
off, heat, cool
alarm, retransmit,
duplex, event
off, heat, cool
alarm, event
off, heat, cool
alarm, event
Output 3
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 4
5A mechanical relay (form A)
If Limit, this output must
be Limit
Input Sensor
Analog Input 2
none, CT, Thermocouple, RTD (100
Ω, 1kΩ), Thermistor 5kΩ, 10kΩ,
20kΩ, 40kΩ) Process (V, mV, mA)
or 1k Potentiometer
Limit Controller
Board
(optional)
Slot B
Integrated PID and Limit Controller
• Reduces wiring time and termination complexity compared to connecting separate products
• Reduces panel space
• Reduces installation costs
• Increases dependability with backup control sensor operation
• Increases user and equipment safety for over-under temperature conditions
off, heat, cool
alarm, retransmit,
duplex or event
Limit
Indicates Zone
Address
Indicates I/O
Status
Watlow EZ-ZONE® PM Integrated Controller • 10 • Chapter 1 Overview
Note:
Number of inputs and outputs and various combinations of the same will vary
depending upon part number; see ordering matrix for more detail.
Input
Output Status
513
2
4
Zone
Address
6
Functions
Input Sensor
- None
- Idle set point
- Tune
- Alarm clear, request
- Force alarm
- Silence alarm
- Manual/auto mode
- Control outputs off
- Remote set point
enable
- Lock keypad
- TRU-TUNE+
- Loop & alarms off
- Profile disable
- Profile hold/resume
- Profile start
- Profile start/stop
- Restore user settings
- Event inputs
®
disable
EZ-ZONE® PM Integrated Model 1/16 DIN System Diagram
with Expanded Communications (Slot B)
Analog Input 1
none, CT, Thermocouple, RTD (100
Ω, 1kΩ), Thermistor 5kΩ, 10kΩ,
20kΩ, 40kΩ) Process (V, mV, mA)
or 1k Potentiometer
Digital Input (or Output) 5 & 6
(optional) none, switch, volts dc
EZ Key
Programmable Event
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
PID
Controller
(Optional -
Ramp/Soak max 4
files, 40 steps)
Slot A
(Optional)
Modbus Address
1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Slot C
Output 1
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Digital Output (or Input) 5 & 6
(optional) none, switched dc
alarm, retransmit,
Output
Functions
off, heat, cool
duplex, event
off, heat, cool
alarm, event
off, heat, cool
alarm, event
RUI, EZ-ZONE
Controllers, PLC, PC
or HMI
Communications
EIA 232/485 Modbus RTU/TCP,
EtherNet/IP, DeviceNet, Profibus
Communications
Board
Slot B
Indicates Zone
Address
Indicates I/O
Status
Serial Communication Capabilities
• Supports network connectivity to a PC or PLC
• Available in a wide range of protocol choices, including Modbus RTU, EtherNet/IP™, Modbus TCP
Watlow EZ-ZONE® PM Integrated Controller • 11 • Chapter 1 Overview
EZ-ZONE® PM Integrated Model 1/8 and 1/4 DIN System Diagram
EZ-ZONE PM Integrated 8
th
DIN System Diagram
Without 6-digital I/O (slot D), Without Comms Card (slot E)
Input
Function
Output
Function
If limit, this output
must be limit
Output Status
LEDs
5
6
132
4
Zone
Address
LEDs
Channel
8
7
Power Supply
Note:
Number of inputs and outputs and various combinations of the same will vary
depending upon part number; see ordering matrix for more detail.
Without 6 Digital I/O (slot D), Without Communications (slot E)
Input Sensor
Input Sensor
PID
Controller
Analog Input 1
none, Thermocouple, RTD (100Ω,
1kΩ), Thermistor 5kΩ, 10kΩ, 20kΩ,
40kΩ) Process (V, mV, mA) or 1k
Potentiometer
(Optional -
Ramp/Soak max 4
files, 40 steps)
Slots A
(Optional)
PID Controller,
Limit, or Current
Transformer Sense
Analog Input 2
(CT)
none, CT, Thermocouple, RTD (100
Ω, 1kΩ), Thermistor 5kΩ, 10kΩ,
20kΩ, 40kΩ) Process (V, mV, mA)
or 1k Potentiometer
Slots B
(Optional)
Output 1
none, switched dc/open collector,
5A mechanical relay (form C),
process, or 0.5A SSR (form A)
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Output 3
none, switched dc/open collector,
5A mechanical relay (form C),
process, or 0.5A SSR (form A)
Output 4
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
off, heat, cool,
retransmit, alarm,
duplex or event
off, heat, cool,
alarm or event
off, heat, cool,
retransmit, alarm,
duplex or event
off, heat, cool,
alarm, event or
limit
®
disable
RUI, EZ-ZONE
Controllers, PLC, PC
or HMI
EZ Key 1 & 2
Programmable Functions
Digital Input (or Output) 5 & 6 (optional)
Programmable Functions
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
100 to 240Vac
20 to 28 Vac or 12 to 40Vdc
Modbus
Address 1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Slot C
Digital Output (or Input) 5 & 6
(optional) none, switched dc
off, heat, cool,
alarm, or event
Indicates Zone
Address & Channel
Indicates I/O
Status
Watlow EZ-ZONE® PM Integrated Controller • 12 • Chapter 1 Overview
EZ-ZONE® PM Integrated Model 1/8 and 1/4 DIN System Diagram
Input
Function
Output
Function
EZ-ZONE PM Integrated 8
th
DIN System Diagram
With 6-digital I/O (slot D), Without Comms Card (slot E)
Power Supply
Output Status
LEDs
5
6
132
4
Zone
Address
LEDs
Channel
8
7
If limit, this output
must be limit
Note:
Number of inputs and outputs and various combinations of the same will vary
depending upon part number; see ordering matrix for more detail.
With 6 Digital I/O (slot D), Without Communications (slot E)
Input Sensor
Input Sensor
Analog Input 1
none, Thermocouple, RTD (100Ω,
1kΩ), Thermistor 5kΩ, 10kΩ, 20kΩ,
40kΩ) Process (V, mV, mA) or 1k
Potentiometer
Analog Input 2
none, CT, Thermocouple, RTD (100
Ω, 1kΩ), Thermistor 5kΩ, 10kΩ,
20kΩ, 40kΩ) Process (V, mV, mA)
or 1k Potentiometer
PID
Controller
(Optional -
Ramp/Soak max
4 files, 40 steps)
Slots A
(Optional)
PID Controller,
Limit, or
Current Trans-
former Sense
(CT)
Slots B
(Optional)
Output 1
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Output 3
none, switched dc/open collector, 5A
mechanical relay (form C), process
(V, mA), or 0.5A SSR (form A)
Output 4
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
off, heat, cool
alarm, retransmit,
duplex or event
off, heat, cool
alarm or event
off, heat, cool
alarm, retransmit,
duplex or event
off, heat, cool
alarm, event or limit
- None
- Limit reset
- Idle set point
- Tune
- Alarm clear, request
- Silence alarm
- Manual/auto mode
- Control mode
- Remote set point
enable
- Lock keypad
- Force alarm
- TRU-TUNE+® disable
- Loop & alarms off
- Profile disable
- Profile hold/resume
- Profile start
- Profile start/stop
- Restore user settings
- Event inputs
- Math
RUI, EZ-ZONE
Controllers, PLC, PC
or HMI
Digital Input (or Output) 7-12 (optional)
Programmable Functions
Digital Input (or Output) 5 & 6 (optional)
Programmable Functions
EZ Key 1 & 2
Programmable Functions
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
100 to 240Vac
20 to 28 Vac or 12 to 40Vdc
6 - Digital
Inputs / Outputs
Slot D
(Optional)
Modbus
Address 1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Slot C
Digital Output (or Input) 7-12
(optional) none, switched dc
Digital Output (or Input) 5 & 6
(optional) none, switched dc
off, heat, cool
alarm or event
off, heat, cool
alarm or event
Indicates Zone
Address & Channel
Indicates I/O
Status
Watlow EZ-ZONE® PM Integrated Controller • 13 • Chapter 1 Overview
EZ-ZONE® PM Integrated Model 1/8 and 1/4 DIN with CT System Diagram
EZ-ZONE PM Integrated 8
th
DIN with CT System Diagram
Without 6-digital I/O (slot D), Without Comms Card (slot E)
Input
Function
Output
Function
If limit, this output
must be limit
Power Supply
Output Status
LEDs
5
613
2
4
Zone
Address
LEDs
Channel
8
7
Note:
Number of inputs and outputs and various combinations of the same will vary
depending upon part number; see ordering matrix for more detail.
Without 6 Digital I/O (slot D), Without Communications (slot E)
Input Sensor
Current
Transformer
- None
- Idle set point
- Tune
- Alarm clear, request
- Silence alarm
- Manual/auto mode
- Control mode
- Remote set point
enable
- Lock keypad
- Force alarm
- TRU-TUNE+
- Loop & alarms off
- Profile disable
- Profile hold/resume
- Profile start
- Profile start/stop
- Restore user settings
- Event inputs
- Math
Controllers, PLC, PC
®
disable
RUI, EZ-ZONE
or HMI
Analog Input 1
none, Thermocouple, RTD (100Ω,
1kΩ), Thermistor 5kΩ, 10kΩ, 20kΩ,
40kΩ) Process (V, mV, mA) or 1k
Potentiometer
Analog Input 2
Current Transformer
EZ Key 1 & 2
Programmable Functions
Digital Input (or Output) 5 & 6 (optional)
Programmable Functions
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
PID
Controller
(Optional -
Ramp/Soak max 4
files, 40 steps)
Slots A
(Optional)
Current Transformer
Sense (CT)
Slots B
(Optional)
Modbus
Address 1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Output 1
none, switched dc/open collector,
5A mechanical relay (form C),
process, or 0.5A SSR (form A)
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Output 3
none, switched dc/open collector,
5A mechanical relay (form C),
process, or 0.5A SSR (form A)
Output 4
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Digital Output (or Input) 5 & 6
(optional) none, switched dc
off, heat, cool,
retransmit, alarm,
duplex or event
off, heat, cool,
alarm or event
off, heat, cool,
retransmit, alarm,
duplex or event
off, heat, cool,
alarm, event or
limit
off, heat, cool,
alarm, or event
Indicates Zone
Address & Channel
Indicates I/O
Status
100 to 240Vac
20 to 28 Vac or 12 to 40Vdc
Watlow EZ-ZONE® PM Integrated Controller • 14 • Chapter 1 Overview
Slot C
EZ-ZONE® PM Integrated Model 1/8 and 1/4 DIN System Diagram
EZ-ZONE PM Integrated 8
th
DIN System Diagram
Without 6-digital I/O (slot D), With Comms Card (slot E)
Input
Function
Output
Function
If limit, this output
must be limit
Output 4
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Output 1
none, switched dc/open collector,
5A mechanical relay (form C),
process, or 0.5A SSR (form A)
Analog Input 1
none, Thermocouple, RTD (100Ω,
1kΩ), Thermistor 5kΩ, 10kΩ, 20kΩ,
40kΩ) Process (V, mV, mA) or 1k
Potentiometer
PID
Controller
(Optional -
Ramp/Soak max 4
files, 40 steps)
Slots A
(Optional)
Power Supply
100 to 240Vac
20 to 28 Vac or 12 to 40Vdc
Modbus
Address 1 - 247
Standard Bus
Zone Address
1 - 16
Supervisory &
Power Board
Slot C
Input Sensor
EIA-485 Communication
Standard Bus
(optional Modbus RTU)
RUI, EZ-ZONE
Controllers, PLC, PC
or HMI
off, heat, cool,
retransmit, alarm,
duplex or event
off, heat, cool,
alarm, event or
limit
Output Status
LEDs
5
6
132
4
Zone
Address
LEDs
Channel
Indicates Zone
Address & Channel
Indicates I/O
Status
off, heat, cool,
alarm, or event
8
7
PID Controller,
Limit, or Current
Transformer Sense
(CT)
Slots B
(Optional)
Analog Input 2
none, CT, Thermocouple, RTD (100
Ω, 1kΩ), Thermistor 5kΩ, 10kΩ,
20kΩ, 40kΩ) Process (V, mV, mA)
or 1k Potentiometer
Input Sensor
Output 2
none, 15A NO-ARC, switched dc,
5A mechanical relay (form A), or
0.5A SSR (form A)
Output 3
none, switched dc/open collector,
5A mechanical relay (form C),
process, or 0.5A SSR (form A)
off, heat, cool,
retransmit, alarm,
duplex or event
off, heat, cool,
alarm or event
Communications
Board
Slots E
(Optional)
Communications
Modbus RTU/TCP, DeviceNet,
EtherNet/IP, Profibus
Note:
Number of inputs and outputs and various combinations of the same will vary
depending upon part number; see ordering matrix for more detail.
Digital Input (or Output) 5 & 6 (optional)
Programmable Functions
EZ Key 1 & 2
Programmable Functions
Digital Output (or Input) 5 & 6
(optional) none, switched dc
- None
- Limit reset
- Idle set point
- Tune, TRU-TUNE+
®
- Alarm clear, request
- Silence alarm
- Manual/auto mode
- Control mode
- Remote set point
enable
- Lock keypad
- Force alarm
- Loop & alarms off
- Profile disable
- Profile hold/resume
- Profile start
- Profile start/stop
- Restore user settings
- Event inputs
- Math
Without 6 Digital I/O (slot D), With Communications (slot E)
Watlow EZ-ZONE® PM Integrated Controller • 15 • Chapter 1 Overview
2
(1
Chapter 2: Install and Wire
Dimensions
1/16 DIN (PM6)
15.8 mm
(0.62 in)
101.6 mm
(4.00 in)
53.3 mm
(2.10 in)
53.3 mm
(2.10 in)
Side
51.2 mm
(2.02 in)
Top Back
Front
L1
L3
K1
K3
J1
J3
L2
L4
K2
K4
T1
T2
S1
S2
R1
R2
98
99
CF
CD
CE
B5
D6
D5
1/16 DIN (PM6) Recommended Panel Spacing
44.96 to 45.47 mm
(1.77 to 1.79 inches)
Recommended panel spacing
44.96 to 45.47 mm
.77 to 1.79 inches)
panel thickness 1.53 to 9.52 mm
(0.060 to 0.375)
21.6 mm
(0.85 in)
minimum
21.6 mm
(0.85 in)
minimum
Watlow EZ-ZONE® PM Integrated Controller • 16 • Chapter 2 Install and Wire
1/8 DIN (PM8) Vertical Dimensions
15.75 mm
44.96 to 45.60 mm
53.34 mm
(2.10 in)
100.33 mm
(3.95 in)
(0.62 in)
1.52 mm
(0.06 in)
54.8 mm
(2.16 in)
10.16 mm
(0.40 in)
30.73 mm
(1.21 in)
1/8 DIN (PM8) Vertical Recommended Panel Spacing
(1.77 to 1.79 inches)
92.00 to 92.80 mm
(3.62 to 3.65 inches)
Panel thickness (0.060 in) 1.53 mm
to (0.375 in) 9.52 mm
21.6 mm
(0.85 in)
Minimum
101.60 mm
21.6 mm
(0.85 in)
Minimum
Watlow EZ-ZONE® PM Integrated Controller • 17 • Chapter 2 Install and Wire
1/8 DIN (PM9) Horizontal Dimensions
15.75 mm
92.00 to 92.80 mm
(1.77 to 1.79 inches)
(0.62 in)
100.33 mm
(3.95 in)
53.8 mm
53.34 mm
(2.10 in)
(2.16 in)
10.16 mm
(0.40 in)
1/8 DIN (PM9) Horizontal Recommended Panel Spacing
1.52 mm
(0.06 in)
30.73 mm
(1.21 in)
101.60 mm
(4.00 in)
44.96 to 45.60 mm
(3.62 to 3.65 inches)
Panel thickness (0.060 in) 1.53 mm
to (0.375 in) 9.52 mm
21.6 mm
(0.85 in)
Minimum
21.6 mm
(0.85 in)
Minimum
Watlow EZ-ZONE® PM Integrated Controller • 18 • Chapter 2 Install and Wire
1/4 DIN (PM4) Dimensions
15.75 mm
(0.62 in)
100.33 mm
(3.95 in)
100.33 mm
(3.95 in)
1/4 DIN (PM4) Recommended Panel Spacing
12.70 mm
(0.50 in)
1.52 mm
(0.06 in)
30.73 mm
(1.21 in)
100.84 mm
(3.97 in)
92.0 to 93.0 mm
(3.62 to 3.65 inches)
21.6 mm
(0.85 inches)
Minimum
92.0 to 93.0 mm
(3.62 to 3.65 inches)
Panel thickness 1.53 to 9.52 mm
(0.060 to 0.375 inches)
21.6 mm
(0.85 inches)
Watlow EZ-ZONE® PM Integrated Controller • 19 • Chapter 2 Install and Wire
Installation
1. Make the panel cutout using the mounting template dimensions in this chapter.
Insert the case assembly into the panel cutout.
2. While pressing the case assembly firmly against the panel,
slide the mounting collar over the back of the controller.
If the installation does not require a NEMA 4X seal, simply
slide together until the gasket is compressed.
3. For a NEMA 4X (UL50, IP66) seal, alternately place and
push the blade of a screwdriver against each of the the four
corners of the mounting collar assembly. Apply pressure
to the face of the controller while pushing with the screwdriver. Don't be afraid to apply enough pressure to properly
install the controller. The seal system is compressed more
by mating the mounting collar tighter to the front panel (see
pictures above). If you can move the case assembly back and forth in the cutout, you do not have a proper
seal. The tabs on each side of the mounting collar have teeth that latch into the ridges on the sides of the
controller. Each tooth is staggered at a different depth from the front so that only one of the tabs, on each
side, is locked onto the ridges at a time.
Slide the mounting collar over the back of the
controller.
Note:
There is a graduated measurement difference between the upper and lower half of the display to the panel.
In order to meet the seal requirements mentioned above, ensure that the distance from the front of the top
half of the display to the panel is 16 mm (0.630 in.) or less, and the distance from the front of the bottom
half and the panel is 13.3 mm (0.525 in.) or less.
Place the blade of a screwdriver in any
of the corner of the mounting collar assembly.
Watlow EZ-ZONE® PM Integrated Controller • 20 • Chapter 2 Install and Wire
Removing the Mounted Controller from Its Case
1. From the controller's face, pull out the tabs on each side until you hear it click.
Pull out the tab on each side until you hear it click. Grab the unit above and below the face and pull
forward.
2. Grab the unit above and below the face with two hands and pull the unit out. On the PM4/8/9 controls
slide a screwdriver under the pry tabs and turn.
çWarning:
•Thisequipmentissuitableforuseinclass1,div.2,GroupsA,B,CandDorNon-Hazardouslocations
only. Temperature Code T4A.
•WARNING–EXPLOSIONHAZARD.Substitutionofcomponentmayimpairsuitabilityforclass1,div.2.
•WARNING–EXPLOSIONHAZARD.Donotdisconnectequipmentunlesspowerhasbeenswitchedoffor
the area is known to be nonhazardous.
Returning the Controller to its Case
1. Ensure that the orientation of the controller is correct and slide it back into the housing.
Note:
The controller is keyed so if it feels that it will not slide back in do not force it. Check the orientation again
and reinsert after correcting.
2. Using your thumbs push on either side of the controller until both latches click.
Chemical Compatibility
This product is compatible with acids, weak alkalis, alcohols, gamma radiation and ultraviolet radiation.
This product is not compatible with strong alkalis, organic solvents, fuels, aromatic hydrocarbons, chlorinated
hydrocarbons, esters and keytones.
Ó
Warning:
All electrical power to the controller and controlled circuits must be disconnected before removing the controller from the front panel or disconnecting other wiring.
Failure to follow these instructions may cause an electrical shock and/or sparks that could cause an explosion in class 1, div. 2 hazardous locations.
Watlow EZ-ZONE® PM Integrated Controller • 21 • Chapter 2 Install and Wire
Wiring
Slot A Slot B Slot D Slot E
Inputs Terminal Function Configuration
1 2 7 - 12
T1
S1
R1
1 2 3 4 7 - 12
X1
W1
Y1
W2
Y2
F1
G1
H1
L1
K1
J1
L2
K2
L2
K2
L1K1L2K2L3K3L4
Slot A Slot B Slot D Slot E
T2
S2
R2
T2
S2
B7 Common Digital Inputs
D7 digital input or output
D8 digital input or output
D9 digital input or output
D10 digital input or output
D11 digital input or output
D12 digital input or output
Z7 Internal Supply
Outputs Terminal Function Configuration
X3
W3
Y3
W4
Y4
F3
G3
H3
L3
K3
J3
L4
K4
L4
K4
K4
B7 Common Digital Outputs
D7 switched dc/open collector output
D8 switched dc/open collector output
D9 switched dc/open collector output
D10 switched dc/open collector output
D11 switched dc/open collector output
D12 switched dc/open collector output
Z7 Internal Supply
S2 (RTD) or current +
S3 (RTD), thermocouple -, current - or volts
-, potentiometer wiper, thermistor
S1 (RTD), thermocouple + or volts +,
thermistor, potentiometer
mA ac
mA ac
common (Any switched dc output can use
this common.)
dc- (open collector)
dc+
dcdc+
voltage or current voltage +
current +
normally open
common
normally closed
normally open
common
normally open
common
normally open
common
Universal / Thermistor Input
input 1: all configurations
input 2: PM _ _ _ _ _ - _ [R,L] _ _ _ _ _
Current Transformer
PM _ _ _ _ _ - _ [T] _ _ _ _ _
PM[4,8,9] _ _ _ _ - [C, D] _ _ _ _ _ _
Switched dc/open collector
output 1: PM _ _ _ [C] _ - _ _ _ _ _ _ _
output 3: PM _ _ _ _ _ - _ _ [C] _ _ _ _
Switched dc
output 2: PM _ _ _ _ [C] - _ _ _ _ _ _ _
output 4: PM _ _ _ _ _ - _ _ _ [C] _ _ _
Universal Process
output 1: PM _ _ _ [F] _ - _ _ _ _ _ _ _
output 3: PM _ _ _ _ _ - _ _ [F] _ _ _ _
Mechanical Relay 5 A, Form C
output 1: PM _ _ _ [E] _ - _ _ _ _ _ _ _
output 3: PM _ _ _ _ _ - _ _ [E] _ _ _ _
NO-ARC 15 A, Form A
output 2: PM _ _ _ _ [H] - _ _ _ [H*] _ _ _
Mechanical Relay 5 A, Form A
output 2: PM _ _ _ _ [J] - _ _ _ _ _ _ _
output 4: PM _ _ _ _ _ - _ _ _ [J] _ _ _
Solid-state Relay 0.5 A, Form A
output 1: PM _ _ _ [K] _ - _ _ _ _ _ _ _
output 2: PM _ _ _ _ [K] - _ _ _ _ _ _ _
output 3: PM _ _ _ _ _ - _ _ [K] _ _ _ _
output 4: PM _ _ _ _ _ - _ _ _ [K] _ _ _
PM[4,8,9] _ _ _ _ - [C, D] _ _ _ _ _ _
* Output 4, PM4, PM8 and PM9 only
Watlow EZ-ZONE® PM Integrated Controller • 22 • Chapter 2 Install and Wire
Communications Terminal Function Configuration
C
Dig I/O 5 & 6
485 Comms
Power
E
Communications Card
A
Output 2
Output 1
Input 1
B
Output 3
Output 4
Input 2
D
Digital I/O 7 - 12
CB
CA
CC
CB
CA
C5
C3
C2
V+
CH
SH
CL
V-
E8
E7
E6
E5
E4
E3
E2
E1
VP
B
A
DG
trB
B
A
trA
CB
CA
CC
CB
CA
C5
C3
C2
V+
CH
SH
CL
V-
E8
E7
E6
E5
E4
E3
E2
E1
VP
B
A
DG
trB
B
A
trA
Slot A Slot B Slot D Slot E
Modbus RTU EIA-485 T+/R+
Modbus RTU EIA-485 T-/RModbus RTU EIA-485 common
Modbus RTU EIA-485 T+/R+
Modbus RTU EIA-485 T-/RModbus RTU EIA-232 common
Modbus RTU EIA-232 to DB9 pin 2
Modbus RTU EIA-232 to DB9 pin 3
DeviceNet™ power
Positive side of DeviceNet™ bus
Shield interconnect
Negative side of DeviceNet™ bus
DeviceNet™ power return
EtherNet/IP™ and Modbus TCP unused
EtherNet/IP™ and Modbus TCP unused
EtherNet/IP™ and Modbus TCP receive EtherNet/IP™ and Modbus TCP unused
EtherNet/IP™ and Modbus TCP unused
EtherNet/IP™ and Modbus TCP receive +
EtherNet/IP™ and Modbus TCP transmit EtherNet/IP™ and Modbus TCP transmit +
Voltage Potential
EIA-485 T+/R+
EIA-485 T-/RDigital ground (common)
Termination resistor B
EIA-485 T+/R+
EIA-485 T-/RTermination resistor A
Modbus RTU 232/485 Communications
Slot B: PM6 _ _ _ _ - [
2] A A A
Slot E: PM[4,8,9] _ _ _ _ - [
_ _ _
2] _ _ _
_ _ _
DeviceNet™ Communications
Slot B: PM6 _ _ _ _ - [
5] A A A
_ _ _
Slot E: PM[4,8,9] _ _ _ _ - [5] _ _ _ _ _ _
Ethernet 10/100 supporting EtherNet/IP™
and Modbus TCP
Slot B: PM6 _ _ _ _ - [
3] A A A
_ _ _
Slot E: PM[4,8,9] _ _ _ _ - [3] _ _ _ _ _ _
Profibus Communications
Slot B: PM6 _ _ _ _ - [
6] A A A
_ _ _
Slot E: PM [4, 8, 9] _ _ _ _- [6] A A A A A A
Terminal Definitions for Slot C.
Slot C Terminal Function Configuration
9899Power input: ac or dc+
all
Power input: ac or dc-
CC
Standard Bus or Modbus RTU EIA-485 common
CA
Standard Bus or Modbus RTU EIA-485 T-/R-
CB
Standard Bus or Modbus RTU EIA-485 T+/R+
CF
Standard Bus EIA-485 common
CD
Standard Bus EIA-485 T-/R-
CE
Standard Bus EIA-485 T+/R+
B5
Digital input-output common
D6
Digital input or output 6
D5
Digital input or output 5
Standard Bus or Modbus
PM _ _ _ _ _ - [1] _ _ _ _ _ _
PM _ _ _ _ _ - [A,D,2,3,5] _ _ _ _ _ _
PM _ _ [2] _ _ - _ _ _ _ _ _ _
PM _ _ [4] _ _ - _ _ _ _ _ _ _
Back View
Slot Orientation 1/8
DIN Vertical PM8
Back View
Slot Orientation
1/8 DIN Horizontal PM9
Output 1
Output 2
Input 1
Output 3
Output 4
Input 2
A
Digital I/O 7 - 12
B
D
Communications Card
E
C
Power
485 Comms
Dig I/O 5 & 6
Watlow EZ-ZONE® PM Integrated Controller • 23 • Chapter 2 Install and Wire
Back View
Slot Orientation
1/4 DIN Horizontal PM4
Output 1
Output 2
Input 1
Digital I/O 7 - 12
Communications Card
Power
485 Comms
Back View
Slot Orientation
1/16 DIN PM6
Output 1
Output 2
Output 3
Output 4
Power
A
Output 3
Output 4
Input 2
B
D
Controller Power Supply
12 to 40VÎ (dc)
20 to 28VÅ (ac)
100 to 240VÅ (ac)
E
PM Integrated Isolation Block
Safety Isolation
C
Dig I/O 5 & 6
Input 1
A
Input 2
B
C
Note:
Slot B above can also
be configured with a
communications card.
No Isolation
No Isolation
Digital Inputs & Outputs
Switched DC, Open Collector,
Process outputs
485 Comms
Dig I/O 5 & 6
5-12
Safety Isolation
Mechanical Relay,
Solid-State Relay,
NO-ARC Relay
Safety Isolation
Controller
Low Voltage Power Bus
No Isolation
Low-voltage
Isolation
Analog Input 1
Note:
Analog Input 1 can be optionally ordered as
an isolated input (see ordering information
in the back of this User’s Guide).
Analog Input 2
Outputs
Low-voltage
Isolation
Communications Ports
Low-voltage Isolation: 42V peak
Safety Isolation: 2300VÅ (ac)
Watlow EZ-ZONE® PM Integrated Controller • 24 • Chapter 2 Install and Wire
Warning: Óç
Use National Electric (NEC) or other
country-specific standard wiring and
safety practices when wiring and
connecting this controller to a power
source and to electrical sensors or
peripheral devices. Failure to do so
may result in damage to equipment
and property, and/or injury or loss
of life.
Note:
Maximum wire size termination and
torque rating:
• 0.0507 to 3.30 mm2 (30 to 12
AWG) single-wire termination or
two 1.31 mm2 (16 AWG)
• 0.8 Nm (7.0 lb.-in.) torque
Note:
Adjacent terminals may be labeled
differently, depending on the model
number.
Note:
To prevent damage to the controller, do not connect wires to unused
terminals.
Note:
Maintain electrical isolation between
analog input 1, digital input-outputs,
switched dc/open collector outputs
and process outputs to prevent
ground loops.
Note:
The control output common terminal and the digital common terminal
are referenced to different voltages
and must remain isolated.
Note:
This Equipment is suitable for use in
CLASS I, DIVISION 2, Groups A, B,
C and D or Non-Hazardous locations
only. Temperature Code T4A
Warning:
Explosion Hazard - Dry contact clo-
sure Digital Inputs shall not be used
in Class I Division 2 Hazardous Locations unless switch used is approved
for this application.
Warning:
Explosion Hazard – Substitution of
component may impair suitability
for CLASS I, DIVISION 2.
ç
ç
Low Power
Slot C
98
99
CF
CD
CE
B5
D6
D5
power
power
fuse
High Power
Slot C
98
99
CF
CD
CE
B5
D6
D5
power
power
fuse
Digital Input 5 - 6
Slot C
98
99
CF
CD
CE
common
B5
DC Input
D6
DC Input
D5
• Minimum/MaximumRatings
• 12to40VÎ (dc)
• 20to28VÅ (ac) Semi Sig F47
• 47to63Hz
• 14VAmaximumpowerconsumption(PM4,8and9)
• 10VAmaximumpowerconsumption(PM6)
PM_ _ [3,4] _ _ - _ _ _ _ _ _ _
• Minimum/MaximumRatings
• 85to264VÅ (ac)
• 100to240VÅ (ac) Semi Sig F47
• 47to63Hz
• 14VAmaximumpowerconsumption(PM4,8and9)
• 10VAmaximumpowerconsumption(PM6)
PM_ _ [1,2] _ _ - _ _ _ _ _ _ _
Digital Input
• Updaterate10Hz
• Drycontactordcvoltage
DC Voltage
• Inputnottoexceed36Vat3mA
• Inputactivewhen>3V@0.25mA
• Inputinactivewhen<2V
Dry Contact
• Inputinactivewhen>500Ω
• Inputactivewhen<100Ω
• maximumshortcircuit13mA
PM _ _ [2,4] _ _-_ _ _ _ _ _ _
B
Voltage Input
Vdc
Dry Contact
common
_
_
B
_
D
common
Warning:
ç
Explosion Hazard - Do not discon-
nect while the circuit is live or
unless the area is known to be free
of ignitable concentrations of flammable substances.
_
D
24 Vdc
Watlow EZ-ZONE® PM Integrated Controller • 25 • Chapter 2 Install and Wire
Warning: Óç
Slot E
Use National Electric (NEC) or other
country-specific standard wiring and
safety practices when wiring and
connecting this controller to a power
source and to electrical sensors or
peripheral devices. Failure to do so
may result in damage to equipment
and property, and/or injury or loss
of life.
Note:
Maximum wire size termination and
torque rating:
• 0.0507 to 3.30 mm2 (30 to 12
AWG) single-wire termination or
two 1.31 mm2 (16 AWG)
• 0.8 Nm (7.0 lb.-in.) torque
Note:
Adjacent terminals may be labeled
differently, depending on the model
number.
Note:
To prevent damage to the controller, do not connect wires to unused
terminals.
Note:
Maintain electrical isolation between
analog input 1, digital input-outputs,
switched dc/open collector outputs
and process outputs to prevent
ground loops.
Note:
The control output common terminal and the digital common terminal
are referenced to different voltages
and must remain isolated.
Note:
This Equipment is suitable for use in
CLASS I, DIVISION 2, Groups A, B,
C and D or Non-Hazardous locations
only. Temperature Code T4A
ç
ç
ç
Warning:
Explosion Hazard - Dry contact clo-
sure Digital Inputs shall not be used
in Class I Division 2 Hazardous Locations unless switch used is approved
for this application.
Warning:
Explosion Hazard – Substitution of
component may impair suitability
for CLASS I, DIVISION 2.
Warning:
Explosion Hazard - Do not discon-
nect while the circuit is live or
unless the area is known to be free
of ignitable concentrations of flammable substances.
Digital Input 7 - 12
Common
DC Input
DC Input
DC Input
DC Input
DC Input
DC Input
Internal Supply
B7
D7
D8
D9
D10
D11
D12
Z7
Digital Input Event Conditions
•DryContact
- Inputinactivewhen>100KΩ
- Inputactivewhen<50Ω
•Voltage
- Inputinactivewhen<2V
- Inputactivewhen>3V
•Sixuserconfigurabledigitalin-
puts/outputs per slot
- Slot E DIO 7-12
PM [4,6,8] _ _ _ _- [C,D] _ _ _ _
_ _
Input 1, 2 Thermocouple
Slot A,B
• 2KΩmaximumsourceresistance
• >20MΩinputimpedance
• 3microampereopen-sensordetection
• Thermocouplesarepolaritysensitive.Thenegativelead(usually
• Toreduceerrors,theextensionwireforthermocouplesmustbe
Input 1: PM _ [C,R,B
-
S_
+
R_
Input 2: PM _ _ _ _ _ - _ [C,R,L] _ _ _ _ _ (S2/R2)
*PM(4, 8 and 9) only
Input 1, 2 RTD
Slot A,B
S3
S_
S1
R_
2-wire
Slot A, B
S2
T_
S_
S3
R_
S1
3-wire
Voltage Input
common
_
B
Vdc
_
D
Dry Contact
_
D
24 Vdc
_
Z
red) must be connected to S1 and/or S2.
of the same alloy as the thermocouple.
• platinum,100and1,000Ω@0°C
• calibrationtoDINcurve(0.00385Ω/Ω/°C)
• 20Ωtotalleadresistance
• RTDexcitationcurrentof0.09mAtypical.Eachohmoflead
resistance may affect the reading by 0.03°C.
• For3-wireRTDs,theS1lead(usuallywhite)mustbeconnected to R1 and/or R2
• Forbestaccuracyusea3-wireRTDtocompensateforlead-
length resistance. All three lead wires must have the same
resistance
Input 1: PM _ [C,R,B
Input 2: PM _ _ _ _ _ - _ [C,R,L] _ _ _ _ _ (S2/R2),(T2/S2/R2)
*PM(4, 8 and 9) only
*
] _ _ _ - _ _ _ _ _ _ _ (S1/R1)
*
] _ _ _ - _ _ _ _ _ _ _ (S1/R1),(T1/S1/R1)
Watlow EZ-ZONE® PM Integrated Controller • 26 • Chapter 2 Install and Wire
Warning: Óç
Use National Electric (NEC) or other
country-specific standard wiring and
safety practices when wiring and
connecting this controller to a power
source and to electrical sensors or
peripheral devices. Failure to do so
may result in damage to equipment
and property, and/or injury or loss
of life.
Note:
Maximum wire size termination and
torque rating:
• 0.0507 to 3.30 mm2 (30 to 12
AWG) single-wire termination or
two 1.31 mm2 (16 AWG)
• 0.8 Nm (7.0 lb.-in.) torque
Note:
Adjacent terminals may be labeled
differently, depending on the model
number.
Note:
To prevent damage to the controller, do not connect wires to unused
terminals.
Note:
Maintain electrical isolation between
analog input 1, digital input-outputs,
switched dc/open collector outputs
and process outputs to prevent
ground loops.
Note:
The control output common terminal and the digital common terminal
are referenced to different voltages
and must remain isolated.
Note:
This Equipment is suitable for use in
CLASS I, DIVISION 2, Groups A, B,
C and D or Non-Hazardous locations
only. Temperature Code T4A
Warning:
Explosion Hazard - Dry contact clo-
sure Digital Inputs shall not be used
in Class I Division 2 Hazardous Locations unless switch used is approved
for this application.
ç
Input 1, 2 Process
-
S_
+
R_
Slot A, B
volts
+
T_
-
S_
Slot A, B
amperes
Input 1,2 Potentiometer
Slot A, B
• Usea1kΩpotentiometer.
Input 1: PM _ [C,R,B
Input 2: PM _ _ _ _ _ - _ [C,R,L] _ _ _ _ _ (S2/R2)
*PM(4, 8 and 9) only
CW
S_
R_
CCW
Input 1, 2 Thermistor
Slot A, B
• >20MΩinputimpedance
• 3microampereopen-sensordetection
Input 1: PM _ [J,N,E] _ _ _ _-_ _ _ _ _ _ _ (S1/R1)
Input 2: PM _ _ _ _ _ - _ [J,P,M] _ _ _ _ _ (S2/R2)
S_
R_
• 0to20mA@100Ωinputimpedance
• 0to10VÎ(dc)@20kΩinputimpedance
• 0to50mVÎ(dc)@20kΩinputimpedance
• scalable
Input 1: PM _ [C,R,B
Input 2: PM _ _ _ _ _ - _ [C,R,L] _ _ _ _ _ (-S2/+R2),(+T2/-S2)
*PM(4, 8 and 9) only
*
] _ _ _ - _ _ _ _ _ _ _ (S1/R1)
*
] _ _ _ - _ _ _ _ _ _ _ (-S1/+R1),(+T1/-S1)
Note:
For input 1, option E is available with PM4, 8
and 9 models only.
Warning:
Explosion Hazard – Substitution of
component may impair suitability
for CLASS I, DIVISION 2.
Warning:
ç
ç
Explosion Hazard - Do not discon-
nect while the circuit is live or
unless the area is known to be free
of ignitable concentrations of flammable substances.
Input 2 Current Transformer
Slot B
• Inputrangeis0to50mA.
• currenttransformerpartnumber:16-0246
• 100Ωinputimpedance
T2
S2
current transformer
(input 2)
• responsetime:1secondmaximum
• accuracy+/-1mAtypical
PM _ _ _ _ _ - _ [T] _ _ _ _ _
Watlow EZ-ZONE® PM Integrated Controller • 27 • Chapter 2 Install and Wire
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