Endress+Hauser SmarTec S CLD 132 PROFIBUS-PA User manual

Products Solutions Services
Operating Instructions
Smartec CLD132/134
Measuring systems with inductive sensor for conductivity
and concentration measurement in the food industry
PROFIBUS PA/DP
BA00213C/07/EN/15.23-00
71616573
2023-04-30

Smartec CLD132/134 PROFIBUS PA/DP Table of contents
Endress+Hauser 3
Table of contents
1 Document information .............. 4
1.1 Warnings ............................ 4
1.2 Symbols .............................. 4
1.3 Symbols on the device ................... 4
1.4 Documentation ........................ 4
2 Basic safety instructions ............ 5
2.1 Requirements for the personnel ............ 5
2.2 Intended use .......................... 5
2.3 Workplace safety ....................... 5
2.4 Operational safety ...................... 5
2.5 Product safety ......................... 6
3 Incoming acceptance and product
identification ....................... 7
3.1 Incoming acceptance .................... 7
3.2 Product identification .................... 7
3.3 Scope of delivery ....................... 8
4 Installation ........................ 9
4.1 System architecture ..................... 9
4.2 Mounting the measuring device ........... 10
4.3 Post-installation check .................. 10
5 Electrical connection .............. 11
5.1 Connecting the measuring device .......... 11
5.2 Connecting the bus cable ................ 11
5.3 Post-connection check .................. 13
6 Operation ......................... 14
6.1 Display and operating elements ........... 14
6.2 Operation via FieldCare or DeviceCare ...... 14
7 System integration ................ 15
7.1 PROFIBUS PA/DP block model ............ 15
7.2 Cyclic data exchange ................... 20
7.3 Acyclic data exchange .................. 24
8 Commissioning .................... 31
8.1 Function check ....................... 31
8.2 Configuring the device address ............ 31
8.3 Device master files ..................... 33
9 Diagnosis and troubleshooting ..... 35
9.1 System error messages .................. 35
9.2 Process and device-specific errors .......... 36
10 Communication-specific
accessories ........................ 37
11 Protocol-specific data .............. 38
11.1 PROFIBUS-PA ........................ 38
11.2 PROFIBUS-DP ........................ 38
11.3 Human interface ...................... 38
11.4 Standards and guidelines ................ 39
Index .................................. 40

Document information Smartec CLD132/134 PROFIBUS PA/DP
4 Endress+Hauser
1 Document information
1.1 Warnings
Structure of information Meaning
LDANGER
Causes (/consequences)
If necessary, Consequences of
non-compliance (if applicable)
‣Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid the dangerous situation will result in a fatal or serious
injury.
LWARNING
Causes (/consequences)
If necessary, Consequences of
non-compliance (if applicable)
‣Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid the dangerous situation can result in a fatal or serious
injury.
LCAUTION
Causes (/consequences)
If necessary, Consequences of
non-compliance (if applicable)
‣Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid this situation can result in minor or more serious injuries.
NOTICE
Cause/situation
If necessary, Consequences of
non-compliance (if applicable)
‣Action/note
This symbol alerts you to situations which may result in damage to
property.
1.2 Symbols
Additional information, tips
Permitted
Recommended
Forbidden or not recommended
Reference to device documentation
Reference to page
Reference to graphic
 Result of a step
1.3 Symbols on the device
Reference to device documentation
1.4 Documentation
Operating Instructions for Smartec CLD132, BA00207C
Operating Instructions for Smartec CLD134, BA00401C
Guidelines for planning and commissioning PROFIBUS DP/PA, BA00034S

Smartec CLD132/134 PROFIBUS PA/DP Basic safety instructions
Endress+Hauser 5
2 Basic safety instructions
2.1 Requirements for the personnel
• Installation, commissioning, operation and maintenance of the measuring system may
be carried out only by specially trained technical personnel.
• The technical personnel must be authorized by the plant operator to carry out the
specified activities.
• The electrical connection may be performed only by an electrical technician.
• The technical personnel must have read and understood these Operating Instructions
and must follow the instructions contained therein.
• Faults at the measuring point may only be rectified by authorized and specially trained
personnel.
Repairs not described in the Operating Instructions provided must be carried out only
directly at the manufacturer's site or by the service organization.
2.2 Intended use
Smartec CLD132 and CLD134 are measuring systems for measuring conductivity. The
PROFIBUS interface allows the device to be operated using a plant asset management tool,
e.g. FieldCare, or a commissioning tool,e.g. DeviceCare, on the PC.
PROFIBUS is an open fieldbus standard in accordance with IEC 61158/IEC 61508. It is
specially designed to meet the requirements of process engineering and allows multiple
measuring devices to be connected to a bus line. The transmission method according to IEC
1158-2 guarantees safe signal transmission.
Use of the device for any purpose other than that described, poses a threat to the safety of
people and of the entire measuring system and is therefore not permitted.
The manufacturer is not liable for damage caused by improper or non-designated use.
2.3 Workplace safety
As the user, you are responsible for complying with the following safety conditions:
• Installation guidelines
• Local standards and regulations
• Regulations for explosion protection
Electromagnetic compatibility
• The product has been tested for electromagnetic compatibility in accordance with the
applicable international standards for industrial applications.
• The electromagnetic compatibility indicated applies only to a product that has been
connected in accordance with these Operating Instructions.
2.4 Operational safety
Before commissioning the entire measuring point:
1. Verify that all connections are correct.
2. Ensure that electrical cables and hose connections are undamaged.
3. Do not operate damaged products, and protect them against unintentional operation.
4. Label damaged products as defective.

Basic safety instructions Smartec CLD132/134 PROFIBUS PA/DP
6 Endress+Hauser
During operation:
‣If faults cannot be rectified:
products must be taken out of service and protected against unintentional operation.
2.5 Product safety
The product is designed to meet state-of-the-art safety requirements, has been tested, and
left the factory in a condition in which it is safe to operate. The relevant regulations and
international standards have been observed.
We only provide a warranty if the device is installed and used as described in the
Operating Instructions. The device is equipped with security mechanisms to protect it
against any inadvertent changes to the device settings.
IT security measures in line with operators' security standards and designed to provide
additional protection for the device and device data transfer must be implemented by the
operators themselves.

Smartec CLD132/134 PROFIBUS PA/DP Incoming acceptance and product identification
Endress+Hauser 7
3 Incoming acceptance and product
identification
3.1 Incoming acceptance
1. Verify that the packaging is undamaged.
 Notify the supplier of any damage to the packaging.
Keep the damaged packaging until the issue has been resolved.
2. Verify that the contents are undamaged.
 Notify the supplier of any damage to the delivery contents.
Keep the damaged goods until the issue has been resolved.
3. Check that the delivery is complete and nothing is missing.
 Compare the shipping documents with your order.
4. Pack the product for storage and transportation in such a way that it is protected
against impact and moisture.
 The original packaging offers the best protection.
Make sure to comply with the permitted ambient conditions.
If you have any questions, please contact your supplier or your local Sales Center.
3.2 Product identification
3.2.1 Nameplate
The nameplate provides you with the following information on your device:
• Manufacturer identification
• Order code
• Serial number
• Ambient and process conditions
• Input and output values
• Safety information and warnings
• Protection class
‣Compare the information on the nameplate with the order.
3.2.2 Identifying the product
Product page
www.endress.com/CLD132
www.endress.com/CLD134
Interpreting the order code
The order code and serial number of your product can be found in the following locations:
• On the nameplate
• In the delivery papers
Obtaining information on the product
1. Go to www.endress.com.
2. Page search (magnifying glass symbol): Enter valid serial number.
3. Search (magnifying glass).
 The product structure is displayed in a popup window.

Incoming acceptance and product identification Smartec CLD132/134 PROFIBUS PA/DP
8 Endress+Hauser
4. Click the product overview.
 A new window opens. Here you fill information pertaining to your device,
including the product documentation.
3.3 Scope of delivery
CLD132
The scope of delivery of the "compact version" with PROFIBUS comprises:
• Compact measuring system Smartec with integrated sensor
• Terminal strip set
• Bellows (for device version -*GE1*****)
• Operating Instructions BA00207C
• Operating Instructions for field communication with PROFIBUS BA00213C
• M12 connector (for device version -******PF*)
The scope of delivery of the "Remote version" with PROFIBUS includes:
• Smartec transmitter
• CLS52 inductive conductivity sensor with fixed cable
• Terminal strip set
• Bellows (for device version -*GE1*****)
• Operating Instructions BA00207C
• Operating Instructions for field communication with PROFIBUS BA00213C
• M12 connector (for device version -******PF*)
CLD134
The scope of delivery of the "compact version" with PROFIBUS comprises:
• Smartec compact measuring system with embedded sensor
• Terminal strip set
• Operating Instructions BA00401C
• Operating Instructions for field communication with PROFIBUS BA00213C
• M12 connector (for device version -******PF*)
The scope of delivery of the "remote version" comprises:
• Smartec transmitter
• CLS54 inductive conductivity sensor with fixed cable
• Terminal strip set
• Operating Instructions BA00401C
• Operating Instructions for field communication with PROFIBUS BA00213C
• M12 connector (for device version -******PF*)
The scope of delivery of the "transmitter excluding sensor" version comprises:
• Smartec CLD134 transmitter
• Terminal strip set
• Operating Instructions BA00401C/07/EN
• Operating Instructions for field communication with PROFIBUS BA00213C
• M12 connector (for device version -******PF*)

Smartec CLD132/134 PROFIBUS PA/DP Installation
Endress+Hauser 9
4 Installation
4.1 System architecture
A complete measuring system consists of
• CLD132 or CLD134 transmitter with PROFIBUS PA or DP
• Segment coupler (PA only)
• PROFIBUS bus terminator
• Cabling incl. bus distributor
• Programmable Logic Controller (PLC) or PC with FieldCare or DeviceCare
12 3
ENDRESS+HAUSER
SMARTECS
ALARM
CAL
E
+
–
4
56
7
A0052586
 1 Measuring systems with PROFIBUS interface
1 PC with PROFIBUS interface and operating program
2 PLC
3 Segment coupler
4 CLD132 or CLD134 PROFIBUS PA remote version with CLS52 or CLS54
5 CLD132 or CLD134 PROFIBUS PA compact version
6 Terminating resistor
7 CLD132 or CLD134 PROFIBUS PA compact version
The maximum number of transmitters in a bus segment is determined by their current
consumption, the bus coupler power and the required bus length.
Guidelines for planning and commissioning PROFIBUS DP/PA, BA00034S

Installation Smartec CLD132/134 PROFIBUS PA/DP
10 Endress+Hauser
4.2 Mounting the measuring device
‣Carry out installation in accordance with the operating instructions.
Operating Instructions for Smartec CLD132, BA00207C
Operating Instructions for Smartec CLD134, BA00401C
4.3 Post-installation check
1. After installation, check the measuring system for damage.
2. Check that the sensor is aligned with the flow direction of the medium.
3. Check that the coil former of the sensor is completely wetted by the medium.

Smartec CLD132/134 PROFIBUS PA/DP Electrical connection
Endress+Hauser 11
5 Electrical connection
LWARNING
Device is live!
Incorrect connection may result in injury or death!
‣The electrical connection may be performed only by an electrical technician.
‣The electrical technician must have read and understood these Operating Instructions
and must follow the instructions contained therein.
‣Prior to commencing connection work, ensure that no voltage is present on any cable.
5.1 Connecting the measuring device
‣Set up the electrical connection according to the operating instructions.
Operating Instructions for Smartec CLD132, BA00207C
Operating Instructions for Smartec CLD134, BA00401C
5.2 Connecting the bus cable
Feeding the cable into the housing
1
2
3
4
5
6
A0051920
 2 Bus cable connection (right = remove the cover frame, left = view without cover frame)
1 Port for DIL switch
2 Cover frame
3 Fuse
4 Removable electronics box
5 Terminals
6 Housing ground
1. Loosen the four Phillips screws and remove the housing cover.
2. Remove the cover frame above the terminal blocks. To do so, insert the screwdriver
into the recess and push down the tab ().
3. Guide the cable through the opened cable entry into the connection compartment.
Cable connection for PA device
1. Mount the bus cable using the high-strength cable gland or an M12 connector.

Electrical connection Smartec CLD132/134 PROFIBUS PA/DP
12 Endress+Hauser
2.
M12 Pg 13.5
PE
PE
PA+
PA+ PA–
BK
BK
PA–
99 98 95 94 78 85 86 93 94 81 82 99 98 95 94 78 85 86 93 94 81 82
A0052496
Connect the cable cores of the bus cable to the terminal block. Mixing up the polarity
of the PA + and PA- connections has no effect on operation.
3. Tighten the cable gland.
4. Close the housing cover.
Cable connection for DP device
1. Mount the bus cable using the high-strength cable gland.
2.
99 98 67 68 69 85
PE
B
A
BK
4
3
2
1
99 98 67 68 69 85
PE
B
A
BK
4
3
2
1
YZ
B
A
A0052497
1 GND
2 Power supply +5 V for bus termination
3 B (RxD / TxD-P)
4 A (RxD / TxD-N)
Y Next PROFIBUS device (looped-through)
Z Bus termination
Connect the cable cores of the bus cable to the terminal block.
3. Tighten the cable gland.
4. Close the housing cover.

Smartec CLD132/134 PROFIBUS PA/DP Electrical connection
Endress+Hauser 13
Bus termination
The bus terminations for PROFIBUS PA and DP are different.
• Each PROFIBUS PA bus segment must be terminated with apassive bus terminator on
each end.
• Each PROFIBUS DP bus segment must be terminated with anactive bus terminator on
each end.
5.3 Post-connection check
‣Once the electrical connection is set up, carry out the following checks:
Device condition and specifications Notes
Are the devices and cables free from damage on the outside? Visual inspection
Electrical connection Notes
Does the supply voltage correspond to that specified on the
nameplate?
230 V AC
115 V AC
100 V AC
24 V AC/DC
Do the cables used meet the necessary specifications? Use an original E+H cable for electrode/
sensor connection; see Accessories
section
Are the connected cables provided with strain relief?
Is the cable type route completely isolated? Run the power supply and signal cables
separately along the entire cable route
so that no interference can occur.
Separate cable ducts are optimal.
Is the cable run correct, without loops and cross-overs?
Are the power cable and signal cables connected correctly and in
accordance with the wiring diagram?
Are all the screw terminals tightened?
Are all the cable entries fitted, tightened and leak-proof?
Are all housing covers installed and firmly tightened? Check seals for damage.

Operation Smartec CLD132/134 PROFIBUS PA/DP
14 Endress+Hauser
6 Operation
6.1 Display and operating elements
ENDRESS+HAUSER
SMARTEC S
ALARM
CAL
E
+
–
2000
mS/cm
O213
20 mA
1
A0051924
 3 User interface
1 Display symbol for active communication via PROFIBUS interface
Explanation of key assignment and symbols:
‣Use the operating instructions.
Operating Instructions for Smartec CLD132, BA00207C
Operating Instructions for Smartec CLD134, BA00401C
6.2 Operation via FieldCare or DeviceCare
Fieldcare is the FDT-based plant asset management tool from Endress+Hauser. It can
configure all intelligent field devices in your plant and help you manage them. By using
status information, it also provides a simple but effective means of monitoring the devices.
• Supports PROFIBUS
• Supports multiple Endress+Hauser devices
• Supports all third-party devices that comply with the FDT standard,e.g. drive, I/O
systems, sensors
• Ensures full functionality for all devices with DTMs
• Offers generic profile operation for third-party fieldbus devices that do not have a
supplier DTM
DeviceCare is the tool developed by Endress+Hauser for the configuration of Endress
+Hauser devices. All intelligent devices in a plant can be configured via a point-to-point or
point-to-bus connection.
See the operating instructions for an installation description.
FieldCare/DeviceCare, BA00027S

Smartec CLD132/134 PROFIBUS PA/DP System integration
Endress+Hauser 15
7 System integration
7.1 PROFIBUS PA/DP block model
In the PROFIBUS configuration, all the device parameters are categorized according to
their functional properties and tasks and are generally assigned to three different blocks.
A block may be regarded as a container in which parameters and the associated functions
are contained (see ).
A PROFIBUS device has the following block types:
•A physical block (device block)
The physical block contains all the device-specific features of the device.
•One or more transducer blocks
The transducer block contains all the measuring and device-specific parameters of the
device. The measuring principles (e.g. conductivity, temperature) are depicted in the
transducer blocks in accordance with the PROFIBUS Profile 3.0 Specification.
•One or more function blocks (function block)
A function block contains the device's automation functions. The transmitter contains
Analog Input Blocks which can be used to scale the measured values and to check for
limit value overshoot.
A number of automation tasks can be implemented with these blocks. In addition to these
blocks, a transmitter can also contain any number of other blocks. These can include, for
example, several analog input function blocks if more than one process variable is provided
by the transmitter.
Sensor Signal processing
Manufacturer specific
parameters
Analyser Transducer Block 1
Main Meas. Value
Main Process Value
Analog Input Block 1
Main Meas. Value
Main Process Value
Analyser Transducer Block 2
Temperature Value
Temperature
Analog Input Block 2
Temperature Value
Temperature
OUT VALUE
Value/Status
OUT VALUE
Value/Status
PROFIBUS Master Class 1 (cyclical data)
MRS
Local operation
Physical Block
Funktionsgruppe
ALPHA-TABELLE
Eingabe der Anzahl der
Tabellenstützpunkte
1
1 ... 10
Auswahl der
Tabellen
1
1 ... 4
(>1 nur bei MBU)
Auswahl der
Tabellenoption
lesen
edit
T2
Multiplikationsfaktor
für den Konzentrationswert
einer User-Tabelle
(nur bei MBU)
1
0,5 ... 1,5 K2
T1
Auswahl des
Tabellenwertepaares
1
1 ... Anzahl aus R3
fertg T4
Eingabe des
Temperaturwertes
(x-Wert)
0,0 °C
–35,0 ... 250,0 °C T5
TT3
Funktionsgruppe
KONZENTRATION
K
Auswahl der aktiven
Konzentrationstabelle
; H SO ;NaOH 2 4
H PO ; HNO
3 4 3
User ... 41K1
Auswahl der
Tabellen
1
1 ... 4
(>1 nur bei MBU) K3
Auswahl der
Tabellenoption
lesen
edit
K4
Eingabe der Anzahl der
Tabellenstützpunkte
1
1 ... 16
K5
Funktionsgruppe
SERVICE
S
Auswahl der
Sprache
; GERENG
ITA; FRA
ESP; NEL S1
HOLD-Konfiguration
Kein = kein HOLD
S+C = bei Parametrieren
und Kalibrieren
Setup = bei Parametrieren
CAL = bei Kalibrieren S4
Eingabe des
Festwertes
(nur fall Fest)
0
0 ... 100 %
von 20 bzw. 16 mA
Auswahl des
HOLD-Effektes
Letzt = letzter Wert
Fest = fester Wert
S3S2
Manueller HOLD
aus
ein
S5
A0051925
 4 Block model (gray = profile blocks)
7.1.1 Physical block (device block)
A physical block contains all the data that uniquely identify and characterize the
transmitter. It is an electronic version of a nameplate on the transmitter. Physical blocks
parameters are e.g. device type, device name, manufacturer identification, serial number.

System integration Smartec CLD132/134 PROFIBUS PA/DP
16 Endress+Hauser
Another task of the physical block is to manage general parameters and functions that
influence the execution of the remaining blocks in the transmitter. The physical block is
therefore the central unit that also checks the device status and influences or controls the
operability of the other blocks and thus operability of the device.
7.1.2 Write protection
•On-site hardware write protection
You can lock the device on-site for configuration operations by pressing the Plus and
ENTER keys simultaneously.
Unlock the device by pressing the CAL and MINUS keys.
•Hardware write protection via PROFIBUS
The HW_WRITE_PROTECTION parameter indicates the status of the hardware write
protection. The following statuses are possible:
1: Hardware write protection enabled, device data cannot be overwritten
0: Hardware write protection disabled, device data can be overwritten
•Software write protection
You can also set software write protection to prevent all parameters from being
acyclically overwritten. Do this by making an entry in the WRITE_LOCKING parameter.
The following entries are permitted:
2457: Device data can be overwritten (factory setting)
0: Device data cannot be overwritten
Operating Instructions for Smartec CLD132, BA00207C
7.1.3 Parameter LOCAL_OP_ENABLE
Use this parameter to either allow or lock local operation on the device.
The following values are possible:
•0: Disabled
Local operation is locked. You can only change this status via the bus. The code 9998 is
displayed in local operation. The transmitter behaves in the same way as with hardware
write protection via the keyboard.
•1: Enabled.
Local operation is active. However, commands from the master have a higher priority
than on-site commands.
If communication fails for more than 30 seconds, local operation is automatically
enabled.
If communication fails while local operation is locked, the device will immediately
revert to the locked state once communication is working again.
7.1.4 Parameter PB_TAG_DESC
You can configure the customer-specific number (TAG number) via:
• Local operation in the menu field I2 (function groupINTERFACE) or via
• PROFIBUS parameter TAG_DESC of the physical block.
If you change the tag number via one of the two options, the change can also be seen
immediately at the other location.
7.1.5 Parameter FACTORY_RESET
Using the FACTORY_RESETparameter, you can reset the following data:
• 1 - All data to PNO default values
• 2506 - Transmitter warm start
• 2712 - Bus address
• 32768 - Calibration data
• 32769 - Setting data

Smartec CLD132/134 PROFIBUS PA/DP System integration
Endress+Hauser 17
Using local operation, you can either reset all data to the factory settings or delete the
sensor data in menu field S10 (SERVICE function group).
7.1.6 Parameter IDENT_NUMBER_SELECTOR
Using this parameter, you can switch the transmitter between three different mode of
operation, each of which has a different functionality in relation to the cyclical data:
IDENT_NUMBER_SELECTOR Functionality
0 Cyclic communication only possible with Profile GSD. Only standard
diagnosis in cyclic data
1 (default) Full functionality with Profile 3.0 and advanced diagnostics in cyclic
data The manufacturer-specific GSD is required.
2 Backwards-compatible Profile 2.0 functionality without diagnosis in
cyclic data The manufacturer-specific Profile 2.0 GSD is required.
(See also the table on device master files ).
7.1.7 Analog Input Block (function block)
In the Analog Input function block, the process variables (conductivity and temperature)
are prepared in terms of instrumentation and control by the transducer block for the
subsequent automation functions (e.g. scaling, limit value processing). Two Analog Input
function blocks are provided for the transmitter with PROFIBUS.
7.1.8 Signal processing
The following is a schematic diagram of the internal structure of an Analog input function
block:
Transducer
Block
ACTUAL_MODE
1
1
1
0
PV OUT
0
PV_SCALE
PV_SCALE_MIN
PV_SCALE_MAX
OUT_SCALE
OUT_SCALE_UNIT
OUT_SCALE_MIN
OUT_SCALE_MAX
HI_HI_LIM
HI_LIM
LO_LIM
LO_LO_LIM
ALARM_HYS
HI_HI_ALM
HI_ALM
LO_ALM
LO_LO_ALM
SIMULATION
VALUE
STATUS
ON_OFF
LIN_TYPE CHANNEL NORMAL_MODE
PERMITTED_MODE FSAFE_TYPE
FSAFE_VALUE MODE_BLK
MAN
MAN
PV_TIME
1
tFAIL
SAFE
OUT
MODE/
STATUS
AUTO
O/S
A0051926
 5 Schematic internal structure of an analog input function block
The Analog Input function block receives its input value from the Analyzer Transducer
Block. The input values are permanently assigned to the Analog Input function block:
• Main process value – Analog Input function block 1 (AI 1)
• Temperature – Analog Input function block 2 (AI 2)

System integration Smartec CLD132/134 PROFIBUS PA/DP
18 Endress+Hauser
7.1.9 SIMULATE
In the SIMULATE parameter group, you can replace the input value with a simulation
value and activate simulation. By specifying the status and the simulation value, you can
test the response of the automation system.
7.1.10 PV_FTIME
In the PV_FTIME parameter, you can dampen the converted input value (primary value =
PV) by specifying a filter. If a time of 0 seconds is specified, the input value is not
dampened.
7.1.11 MODE_BLK
The MODE_BLK parameter group is used to select mode of operation of the Analog Input
function block. By selecting the MAN mode of operation (manual), you can directly specify
the OUT output value and the OUT status.
The most important functions and parameters of the Analog Input Block are listed below.
Tabular summary of the functions of the Analog Input Block: .
7.1.12 Selecting the mode of operation
The mode of operation is set using the MODE_BLKparameter group. The Analog Input
function block supports the following modes of operation:
• AUTO(Automatic mode)
• MAN(Manual mode)
• O/S(Out of service)
7.1.13 Selecting the units
You can change the system unit for one of the measured values via Fieldcare in the Analog
Input Block.
Changing the unit in the Analog Input Block initially has no effect on the measured value
transmitted to the PLC. This ensures that a sudden change cannot affect the subsequent
control. If you want the unit change to affect the measured value, you need to use
Fieldcare to activate the function SET_UNIT_TO_BUS.
Another way of changing the unit is by using the parameters PV_SCALE and
OUT_SCALE .
7.1.14 OUT
The output value OUT is compared with warning limits and alarm limits (e.g. HI_LIM,
LO_LIM) that can be entered using various parameters. If one of these limit values is
violated, a limit value process alarm (e.g. HI_ALM, LO_ALM) is triggered.
7.1.15 OUT Status
The status of the OUT parameter group is used to report the status of the Analog Input
function block and the validity of the OUT output value to the downstream function blocks.

Smartec CLD132/134 PROFIBUS PA/DP System integration
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The following status values can be displayed:
•GOOD_NON_CASCADE
The output value OUT is valid and be used for further processing.
•UNCERTAIN
The output value OUT can only be used for further processing to a limited extent.
•BAD
The output value OUT is invalid. This occurs when the Analog Input function block is
switched to the mode of operation O/S or in the event of major faults ( and system or
process error messages in the Operating Instructions).
Besides the device-internal error messages, other device functions have an influence on
the status of the OUT value:
•Automatic hold
If Hold switched on, the OUT status is set to BAD not specific (0x00).
•Calibration
During calibration, the OUT status is set to the UNCERTAIN sensor calibration value
(0x64) (even when hold is switched on).
7.1.16 Simulation of input/output
You can use various parameters of the Analog Input function block to simulate the
function block's input and output:
Simulating the input of the Analog Input function block
‣Using the SIMULATIONparameter group, you can specify the input value (measured
value and status).
 Since the simulation value runs through the entire function block, you can check all
of the block's parameter settings.
Simulating the output of the Analog Input function block
‣Set the mode of operation in the MODE_BLK parameter group to MAN and directly
specify the required output value in the OUTparameter.
7.1.17 Measured value simulation in local operation
For measured value simulation in local operation, the status UNCERTAIN – simulated
value is transferred to the function blocks. This triggers the failsafe mechanism in the AI
blocks.
7.1.18 Failsafe mode (FSAFE_TYPE)
If an input value or simulation value has the status (BAD), the Analog Input function block
continues to operate in the failsafe mode defined in the parameter FSAFE_TYPE.
The parameter FSAFE_TYPE offers the following failsafe mode:
•FSAFE_VALUE
The value specified in the parameter FSAFE_VALUE is used for further processing.
•LAST_GOOD_VALUE
The last valid value is used for further processing.
•WRONG_VALUE
The current value is used for further processing irrespective of the status BAD. The
factory setting is the default value (FSAFE_VALUE) with the value 0.
Failsafe mode is also activated if the Analog Input function block is set to the O/S
mode of operation.
7.1.19 Rescaling the input value
In the Analog Input function block, the input value or input range can be scaled in
accordance with the automation requirements.

System integration Smartec CLD132/134 PROFIBUS PA/DP
20 Endress+Hauser
Example:
• The system unit in the transducer block is °C.
• The measuring range of the device is –10 to 150 °C.
• The output range in relation to the automation system should be 14 °F ... 302 °F.
• The measured value from the transducer block (input value) is linearly rescaled via the
input scaling PV_SCALE to the desired output range OUT_SCALE.
• Parameter group PV_SCALE
PV_SCALE_MIN (V1H0) –10
PV_SCALE_MAX (V1H1) 150
• Parameter group OUT_SCALE
OUT_SCALE_MIN (V1H3) 14
OUT_SCALE_MAX (V1H4) 302
OUT_UNIT (V1H5) [°F]
This means that, for example, for an input value of 25 °C using the OUT parameter, a value
of 77 °F is output.
Transducer
Block
25 °C
-10
150
°C
77 °F
14 °F 302
OUT
PV_SCALE OUT_SCALE
00
100
100
%
ENDRESS+HAUSER
SMARTECS
ALARM
CAL
E
+
–
A0051950
 6 Scaling the input value on the Analog Input function block
7.1.20 Limit values
You can set two warning limits and two alarm limits for monitoring your process. The
status of the measured value and the parameters of the limit value alarms are indicative of
the measured value's relative position. You can also define an alarm hysteresis in order to
avoid frequent changes in the limit-value flags and frequent activation/deactivation of
alarms. The limit values are based on the output value OUT. If the output value OUT
exceeds or drops below the defined limit values, the automation system signals an alarm
via the limit value process alarms (see below).
The following limit values can be defined:
• HI_LIM, HI_HI_LIM
• LO_LIM, LO_LO_LIM
7.1.21 Alarm detection and processing
Limit value process alarms are generated by the Analog Input function block. The status of
the limit value process alarms is reported to the automation system by the following
parameters:
• HI_ALM, HI_HI_ALM
• LO_ALM, LO_LO_ALM
7.2 Cyclic data exchange
Cyclic data exchange is used to transmit the measured values during operation.
7.2.1 Modules for the cyclic data telegram
For the cyclic data telegram, the transmitter provides the following modules as input data
(data from the transmitter to PLC) (see also block model ):