Read these instructions carefully, and look at the equipment to become familiar with the
device before trying to install, operate, or maintain it. The following special messages
may appear throughout this documentation or on the equipment to warn of potential
hazards or to call attention to information that clarifies or simplifies a procedure.
The addition of this symbol to a Danger or Warning safety label indicates
that an electrical hazard exists, which will result in personal injury if the
instructions are not followed.
This is the safety alert symbol. It is used to alert you to potential personal
injury hazards. Obey all safety messages that follow this symbol to avoid
possible injury or death.
DANGER
DANGER indicates an imminently hazardous situation, which, if not avoided, will
result in death or serious injury.
WARNING
WARNING indicates a potentially hazardous situation, which, if not avoided, can result
in death, serious injury, or equipment damage.
CAUTION
CAUTION indicates a potentially hazardous situation, which, if not avoided, can result
in injury or equipment damage.
SR2MAN01 11/20077
Safety Information
PLEASE NOTEElectrical equipment should be installed, operated, serviced, and maintained only by
qualified personnel. No responsibility is assumed by Schneider Electric for any
consequences arising out of the use of this material.
Document ScopeThis manual describes the use of functions accessible from the front panel of the
smart relay.
This document is divided into 5 parts and addresses the following topics:
z Part I: Powering up and Discovering the Smart Relay
z General presentation of the smart relay
z Part II: Functions Accessible from the Front Panel
z Description of the interface and the menus of the smart relay
z Part III: LD Language
z Description of automation functions available for programming in LADDER
z Part IV: Creating, Debugging and Saving an Application
z Example of programming
z Presentation of tools for debugging and saving an application
z Part V: Diagnostics
z Help for finding solutions to operating problems
Validity NoteThe information in this manual applies only to smart relays of the Zelio 2 series.
User CommentsWe welcome your comments about this document. You can reach us by e-mail at
techpub@schneider-electric.com
SR2MAN01 11/20079
Presentation
Initial Power up and Discovering
I
Subject of this
Section
What's in this
Part?
This section presents the operation and main characteristics of the smart relay.
This part contains the following chapters:
ChapterChapter NamePage
1Initial Power up and Discovering13
SR2MAN01 11/200711
Presentation
Initial Power up and Discovering
1
Subject of this
Chapter
What's in this
Chapter?
This chapter presents the operation and main characteristics of the smart relay.
This chapter contains the following topics:
TopicPage
Safety14
Presentation of the Smart Relay Front Panel17
Characteristics and Connections19
Control Keys on the Front Panel of the Smart Relay20
Examples23
SR2MAN01 11/200713
Initial Power up and Discovering
Safety
Preliminary
Advice
Preliminary advice and general safety precautions relating to installing smart relays:
z
Remember that only qualified personnel are authorized to implement the smart relay.
z Read this instruction sheet and the User Guide to learn the procedures prior to
installing, wiring, operating, maintaining of controlling the smart relay.
z The end user should keep this User Guide and the product instructions sheet.
z
Install the smart relay by following the instructions in the instruction bulletin and the User
Guide. Improper installation may result in failure or malfunction of the smart relay.
z Make the necessary ground and short circuit the connections.
z Check the operating conditions, as described in the User Guide. If you are unsure
of the technical characteristics, contact Schneider Electric.
z Fluctuations or variations in the power supply voltage should not exceed the
tolerance thresholds stated in the technical characteristics, as they may lead to
operating failures and potentially dangerous situations.
z Take any steps necessary to ensure that an application interrupted by a power
failure continues to operate correctly after restoring power and make sure also
that no dangerous situation whatsoever arises.
z Take any steps necessary to prevent involuntary activation of the relay.
z Automation and control devices must be installed in areas where they are
protected against any risk of involuntary activation.
z
Ensure that all connections to the control system meet applicable safety standards.
z
Ensure that you comply with all applicable standards for emergency stop systems in
order to avoid potentially dangerous situations. Ensure that releasing the emergency
stop system does not cause the automated system to suddenly restart.
z Install the smart relay only in environments described in the User Guide. Do not
use the smart relay in environments subject to excessive temperatures, elevated
relative humidity, condensation, corrosive gases, or excessive shocks.
z The smart relay should be used in "Pollution level 2" environments. This level
defines the effect of pollution on the insulation.
z Definition of level 2 Pollution: Only non-conductive pollution arises, except for
occasional temporary conductivity caused by condensation. Do not use smart
relays in environments lower than those specified in IEC Standard 60664-1.
z Use appropriate wires according to current and voltage requirements. Tighten the
screws of the terminal according to the specified torque.
z Use an IEC 60127 approved fuse, in conformity with the requirements for current
and voltage, to protect the power line and output circuits. This is not required
when a device including a smart relay is intended for Europe.
z Use an EU-approved switch. This is not required when a device including a smart
relay is intended for Europe.
14
SR2MAN01 11/2007
Initial Power up and Discovering
DANGER
RISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARCING
Power off the smart relay prior to installing, removing, wiring, maintaining or
inspecting a smart relay system.
Failure to follow this instruction will result in death or serious injury.
WARNING
RISK OF EXPLOSION
Precautions:
z Compliant with standard CSA C22.2 No 213: This equipment is designed for
use in Class 1, Division 2, Groups A, B, C, D or in non-dangerous locations only.
Replacement of components may compromise the suitability to this specified
environment.
z Ensure that the power voltage and its tolerances are compatible with those of
the smart relay.
z Do not disconnect the equipment as long as the power supply has not been cut
off or the zone is not safe.
z This product contains a battery. Do not place the smart relay in fire.
Failure to follow this instruction can result in death, serious injury, or
equipment damage.
WARNING
RISK OF ELECTRIC SHOCK OR FIRE
Precautions:
z The smart relay is solely intended for installation in an enclosure. Do not install
the smart relay outside of an enclosure.
z Ensure that no metal fragment or wiring material falls into the enclosure of the
smart relay. Foreign bodies may lead to fire, material damage or malfunction.
Failure to follow this instruction can result in death, serious injury, or
equipment damage.
SR2MAN01 11/200715
Initial Power up and Discovering
INVOLUNTARY OPERATION OF EQUIPMENT
Precautions:
z Power off the smart relay prior to installation, deinstallation, wiring, maintenance
or operation of the unit.
z The emergency stop and the locking circuits should be configured in the
software program of the smart relay.
z In the event of failure of the relays or transistors in the output modules of the
smart relay, the outputs should remain activated or deactivated. For output
signals that might lead to serious accidents, install a control circuit external to
the smart relay.
z Install the modules according to the environmental operation conditions
specified in the instruction bulletin.
z Do not attempt to dismantle, repair or modify the smart modules.
z Use an IEC 60127 approved fuse, in conformity with the requirements for
current and voltage, to protect the power line and output circuits.
Failure to follow this instruction can result in death, serious injury, or
equipment damage.
WARNING
16
WARNING
RISK OF UNEXPECTED OPERATION
Special case of the use of the SR2COM01 modem communication extension.
Sending commands may lead to modification of the status of smart relay outputs
or accidental enabling of controlled equipment.
It is important to:
z Know how the commands will affect the process or the controlled equipment,
z Take any preventive measures necessary to ensure safety when making
modifications.
Failure to follow this instruction can result in death, serious injury, or
equipment damage.
SR2MAN01 11/2007
Initial Power up and Discovering
Presentation of the Smart Relay Front Panel
IntroductionSmart relays are designed to simplify the electrical wiring of intelligent solutions. A
smart relay is very simple to implement. Its flexibility and its high performance allow
users to save significant amounts of time and money.
This User’s Guide is intended for people who do not have an in-depth knowledge of
automation systems and who would like to be able to implement smart relays.
Description of
the Smart Relay
Front Panel
The illustration below presents the elements of the front panel of the smart relay:
1
2345
+
24 VDC
-
I2I1I4I3ICIB
Inputs I1...I4
24 VDC
IEID
IB... IE
Analog or 24 VDC
SR2 B122BD
1 2 3 4 B C D E
S T O P L D
T H U 2 5 S E P 1 6 : 4 0
6
1 2 3 4
Menu / OK
7
10
Outputs
Q1 ... Q4: Relay 8A
8
2
1
Q1
9
SR2MAN01 11/200717
12
Q2
12
Q3
12
Q4
1
Initial Power up and Discovering
Prompt Element
1Retractable mounting feet.
2Screw terminal block for the power supply.
3LCD display, 4 lines, 18 characters.
4Screw terminal block for discrete inputs.
5Screw terminal block for analog inputs.
6Slot for backup memory or PC connection cable.
7Shift key (white).
8Menu/OK key (green) for selection and confirmation.
9Relay output screw terminal block.
10Navigation keys (gray) or after configuring Z pushbuttons.
0-10 Volts, usable in discrete input mode depending on model.
Description of
the LCD
The illustration below presents an example of LCD display elements when
displaying the INPUT-OUTPUT screen:
2
1
2
3
4
5
1 2 3 4 B C D E
S T O P L D
T H U 2 5 S E P 1 6 : 4 0
1 2 3 4
1243
Menu / OK
Prompt Element
1Input status* display (B...E represent the analog inputs, also may be used as
DISCR).
2Display of the operating mode (RUN/STOP) and programming mode (LD/FBD).
3Display of the date (day and time for products with clock).
4Output status display.
5Contextual menus / pushbuttons / icons indicating the operating modes.
* An ACTIVE input or output is displayed in reverse video.
18
SR2MAN01 11/2007
Initial Power up and Discovering
Characteristics and Connections
IntroductionHere is detailed information on the characteristics of DC smart relay connections.
Recommended
connection
Possible
Connection
Prohibited
Connection
It is recommended to connect the smart relay to a regulated DC power supply:
Regulated
220 V
It is possible to connect the smart relay to a rectified filtered regulated power supply:
/=
ABL7R
24 V=
RECOMMENDED
Rectified and filtered
U max
POSSIBLE
Provided that it verify the following characteristics, according to the type of smart
relay:
SR2 ... BDSR2 ... JD
U max < 30 V
U min > 19.2 V
It is prohibited to connect the smart relay to a rectified non-filtered power supply:
U max < 14,4 V
U min > 10.4 V
U min
Rectified non filtered
PROHIBITED
SR2MAN01 11/200719
Initial Power up and Discovering
Control Keys on the Front Panel of the Smart Relay
DescriptionThe keys located on the front panel of the smart relay are used to configure, program
and control the application and monitor the application's progress.
Illustration:
2
P R O G R A M M I N G
P A R A M E T E R S
R U N / S T O P
C O N F I G U R A T I O N
Menu / OK
Note: The LCD screen is lit for 30 seconds when the user presses any of the
buttons on the front panel.
Shift KeyThe Shift key is the white key located on the right side of the LCD screen.
When the Shift key is pressed, a contextual menu is displayed above the Z keys
(Ins, Del, Param, etc.).
Menu/OK KeyThe Menu/OK key is the green key located below the LCD screen on the right side.
This key is used for all confirmations: Menu, sub-menu, program, parameter, etc.
20
SR2MAN01 11/2007
Initial Power up and Discovering
Zx KeysThe Zx keys are the gray keys aligned from left (Z1) to right (Z4) and located under
the LCD. The arrows indicating the movement direction associated with navigation
are marked above the keys.
The navigation keys are used to move left or right, down or up.
The position on the screen appears as a flashing zone:
z Square for a position that corresponds to a contact (only in programming mode),
z Round for a link (only in programming mode).
Note: When the keys may be used for other actions apart from navigation, a
contextual menu bar is displayed (e.g.: 1, 2, 3 and 4 as Zx-type keys).
SR2MAN01 11/200721
Initial Power up and Discovering
Contextual
Menus
When the cursor is placed on a modifiable parameter, if the Shift key is pressed, a
contextual menu appears.
Illustration:
ins.-Param+Del.
Menu / OK
Using the contextual menu functions:
z + / -: Used to scroll through the various possible values of the selected field (types
of inputs, outputs, automation functions, numbers, numerical values, etc),
z Ins.: Inserts a line,
z Del.: Deletes the selected element, or the entire line if it is empty,
z Param.: Displays the specific parameter screen for the automation function
(visible only if the automation function contains a parameter),
z ← ↑↓→: Direction of the connection (visible only if the cursor is placed over a
link box),
z
1 2 3 4
: This line appears when the keys are used as Zx key-type inputs in a program.
Illustration:
Menu / OK
The key indicates that the program is password-protected.
Illustration:
22
Menu / OK
123
1: Indicates the state of the smart relay. In RUN it is in motion, in STOP it is immobile.
2: Indicates that faults have appeared (see FAULT menu).
3: The smart relay is physically connected to the programming software.
SR2MAN01 11/2007
Initial Power up and Discovering
Examples
IntroductionWe will now see two examples of how to use the smart relay’s keys.
Language
Selection
Example 1: Here are details on how to select the language of the smart relay:
Step Action
1Powering up
On initial powering-up, the INPUT-OUTPUT screen is displayed (See: Inputs-Outputs Screen, p. 34). By default, the selected language is English.
View:
1 2 3 4 B C D E
S T O P L D
F R I 2 5 N O V 1 6 : 4 0
1 2 3 4
2
From the INPUT-OUTPUT screen, enter the MAIN menu , then go to the
CONFIGURATION menu LANGUAGE, by pressing 7 times on the down navigation
key .
View:
C L E A R P R O G
T R A N S F E R
V E R S I O N
L A N G U A G E
Menu / OK
Note: the selected command flashes.
SR2MAN01 11/200723
Initial Power up and Discovering
Step Action
3Enter in the language selection menu.
4Select and confirm the language (the selection is shown in flashing text).
Menu / OK
View:
E N G L I S H
F R A N C A I S
D E U T S C H
I T A L I A N O
Note: The activated option flashes and it is also indicated by a black diamond.
Menu / OK
orthen
The Menu/OK button is used to confirm the selection of the new language. The
display returns to the MAIN menu when the smart relay is in STOP mode.
View:
24
C L E A R P R O G
T R A N S F E R
V E R S I O N
L A N G U A G E
SR2MAN01 11/2007
Initial Power up and Discovering
Step Action
5Return to the INPUT-OUTPUT screen using the left navigation key.
View:
1 2 3 4 B C D E
S T O P L D
F R I 2 5 N O V 1 6 : 4 0
1 2 3 4
SR2MAN01 11/200725
Initial Power up and Discovering
Modification of
Date and Hour
Example 2: Here are details on procedure to follow to modify the date and time of
the initial power up or following a long lasting power failure.
Step Action
1From the INPUT-OUTPUT screen, enter the MAIN menu, then go to the CHANGE D/
H menu:
Menu / OK
then
View:
V E R S I O N
L A N G U A G E
D E F A U L T
C H A N G E D / H
2Enter the date and hour configuration menu:
9 times in LD mode
7 times in FBD mode
Menu / OK
View:
26
C H A N G E D / H
T H U 0 7 J U L 2 0 0 3
1 6 : 2 7 3 0 s
C A L 0 2 secs / WK
SR2MAN01 11/2007
Initial Power up and Discovering
Step Action
3Select the parameter to modify using the arrows (the selection is highlighted by the
blinking of the parameter):
or
Modify the parameter using the navigation keys:
-
+
or
Then confirm with the Menu/OK key:
Menu / OK
The Menu/OK button is used to confirm the modifications. The display returns to the
MAIN menu when the smart relay is in STOP mode).
View:
V E R S I O N
L A N G U A G E
D E F A U L T
C H A N G E D / H
4Return to the INPUT-OUTPUT screen
View:
1 2 3 4 B C D E
S T O P L D
F R I 2 5 N O V 1 6 : 4 0
1 2 3 4
SR2MAN01 11/200727
At a Glance
Functions Accessible from the
Front Panel
II
Subject of this
Section
What's in this
Part?
This section describes the functions that can be accessed from the front panel of the
smart relay.
This part contains the following chapters:
ChapterChapter NamePage
2Overview of the Functions Accessible from the Front Panel31
3Input/Output Screen33
4PROGRAMMING Menu39
5PARAMETERS Menu51
6MONITORING Menu53
7RUN/STOP Menu55
8CONFIGURATION Menu57
9CLEAR PROGRAM Menu65
10TRANSFER Menu67
11VERSION Menu73
12LANGUAGE Menu75
13DEFAULT Menu77
14CHANGE DATE/TIME Menu81
15CHANGE SUMMER/WINTER Menu83
SR2MAN01 11/200729
Overview of the Functions
Accessible from the Front Panel
Functions Accessible from the Front Panel of the Smart Relay
DescriptionFrom the front panel of the smart relay, you may:
z Program (in LD mode),
z Configure,
z Control the application,
z Monitor the performance of the application.
Illustration:
2
P R O G R A M M I N G
P A R A M E T E R S
R U N / S T O P
C O N F I G U R A T I O N
2
Menu / OK
The line flashes to indicate where you are positioned.
The up triangle on the right side of the LCD screen indicates that possible up
options exist. The down triangle indicates that possible down options exist.
To return to the previous menu, press left navigation key.
Note: The LCD screen is lit for 30 seconds when the user presses any of the
buttons on the front panel.
SR2MAN01 11/200731
Overview of the Functions Accessible from the Front Panel
Managing Menus The inputs-outputs screen is displayed by default whether the mode be LD or FBD.
Pressing the Menu/OK key switches the display from the inputs-outputs screen to
the main menu.
The menu on the first row which is selected by default (flashing). The and
navigation keys can be used to place the cursor over the other menus.
Press the green Menu/OK key to display the screen corresponding to the selected
menu or to move onto the first sub-menu.
Differences
Between LD and
FBD Modes
Configuring
Extensions
Certain menus are specific to either LD or FBD mode.
MenuLDFBD
PROGRAMMING
MONITORING
PARAMETERS
RUN / STOP
CONFIGURATION
PASSWORD
FILTER
Zx KEYS
WATCHDOG CYCLE
CLEAR PROG.
TRANSFER
VERSION
LANGUAGE
FAULT
CHANGE D/T
CHANGE SUMM/WINT
Extensions added to the smart relay may only be configured from the programming
software. See on-line help of the programming software for more information.
32
SR2MAN01 11/2007
At a Glance
Input/Output Screen
3
Subject of this
Chapter
What's in this
Chapter?
This chapter describes the characteristics of the input-output screen.
This chapter contains the following topics:
TopicPage
Inputs-Outputs Screen34
TEXT and DISPLAY screen36
SR2MAN01 11/200733
Input/Output Screen
Inputs-Outputs Screen
DescriptionThe inputs-outputs screen is the highest-level interface. It is displayed by default,
when no (TEXT or DISPLAY) display function is active and regardless of:
z The programming type: LD or FBD,
z the mode: STOP or RUN.
Illustration:
23
2
1
1 2 3 4 5 6
S T O P L D
4
M O N 2 2 S E P 1 5 : 5 1
5
1 2 3 4
6
2
Menu / OK
The inputs-outputs screen can be used to view:
1. the state of the inputs: 1 to 9, A to P,
2. The mode used: LD/FBD,
3. The Operating mode: RUN / STOP,
4. The date and time for products with a clock,
5. the state of outputs: 1 to 9, A to G,
6. Z push buttons: 1 to 4.
In Simulation mode or Monitoring mode when the program is in RUN, the active
states of the inputs and outputs are indicated in reverse video.
34
SR2MAN01 11/2007
Input/Output Screen
Access to the
Main Menu
Pressing the Menu/OK key switches the display from the inputs-outputs screen to
the main menu:
z PROGRAMMING (LD STOP mode),
z MONITORING (LD RUN mode),
z PARAMETERS,
z RUN / STOP,
z CONFIGURATION (STOP mode),
z CLEAR PROG. (LD STOP mode),
z TRANSFER (STOP mode),
z VERSION,
z LANGUAGE,
z FAULT,
z CHANGE D/T,
z CHANGE SUMM/WINT.
The display automatically returns to the inputs-outputs menu on exiting all other
menus and sub-menus.
SR2MAN01 11/200735
Input/Output Screen
TEXT and DISPLAY screen
DescriptionThe display functions are used to display text or numerical values (current value,
preset value, etc.) on the LCD display instead of the INPUTS-OUTPUTS:
z In LD mode: A TEXT function is active,
z in FBD mode: A DISPLAY function is active.
Illustration:
2
V a l u e c o u n t e r 1
C 1 C = 0 0 0 0 1
D a t e
2 8 / 1 1 / 2 0 0 3
2
Menu / OK
If several display functions are active simultaneously:
z In LD mode: The highest block number is displayed. There are 16 TEXT-type
blocks numbered from 1 to 9 then from A to G,
z In FBD mode: The superposition of all of the FBD DISPLAY screens is displayed,
for up to 32 blocks. If more than 32 FBD DISPLAY blocks are active, the screens
of the 32 FBD DISPLAY blocks with the lowest numbers are superposed.
Switching
Between the
Screens
36
Note: The display functions are programmable only from the programming
software (see the on-line help for the programming software for more information).
Switching between the screens
It is however possible to go from the TEXT (LD) or DISPLAY (FBD) screen to the
INPUTS-OUTPUTS screen and vice-versa.
To do this, proceed as follows:
StepStep
ActionPress and hold down the Shift key and press the Menu/OK key.
SR2MAN01 11/2007
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