Samson 3730-4 Instruction sheet

Series 3730
Electropneumatic Positioner
Type 3730-4
Configuration and operation over PROFIBUS-PA
Configuration
Manual
KH 8384-4 EN
Firmware version K 2.00/R 1.52
Edition May 2012
Fig. 1 · Configuration and operation over TROVIS-VIEW (Type 3730-4)

Note concerning this Configuration Manual
The rotary pushbutton on the positioner allows the Type 3730-4 Positioner to be operated
and configured on site. In addition, the settings can be performed over the PROFIBUS-PA
network or over the SAMSON SSP interface. The Mounting and Operating Instructions
EB 8384-4 EN describe the mounting, start up and on-site operation.
This Manual (KH 8384-4 EN) describes the basic principles as well as parameters for opera-
tion and configuration over the PROFIBUS-PA network.
Note: Information on the EXPERTplus diagnostics is included in the Operating Instructions
EB 8389 EN.
2KH 8384-4 EN

Revisions of positioner firmware in comparison to previous versions
Communication
Firmware Revisions
K 1.01 Internal modifications
K 1.10 The FEATURE_SELECT parameter allows you to set whether an active diagnostic func-
tion is to be reported by a GOOD_FUNCTION_CHECK or a BAD_FUNCTION_
CHECK (see page 54).
K 1.11 – More trigger conditions in the data logger (see page 53)
– More additional functions (FEATURE_SELECT) (see page 54)
– The limits of the discrete valve position (POS_D_LIMIT_LOW, POS_D_LIMIT_UP) can
now be defined as required (see page 7).
K 1.12 Resetting the identification parameters resets all the parameters saved in the controller.
The parameters saved in the controller are, however, not reset when just the start-up
parameters are reset (see page 42).
K 1.13 Internal modifications
K 1.15 Feature of ID number adaptation acc. to PROFIBUS PA Profile 3.02 added. It allows a
Type 3785 Positioner (Profile 2.0 and Profile 3.0) to be directly replaced with a
Type 3730-4 Positioner in the compatibility mode (see page 8).
K 1.16 The function to suppress extended diagnostic messages allows messages for the
PROFIBUS diagnosis protocol to be suppressed. The messages are still included in the
condensed state according to their classification. The parameter to suppress the diag-
nostic messages exists in the following integrations:
DD: 2.2.007
TROVIS-VIEW: >3.60.005 (device module)
DTM: 1.3.0.1
K 1.17 The versions K 1.12 to K 1.16 do not save a reference variable received in acyclic
data exchange as the valid value for the fail-safe action 'Last valid setpoint is used'. In
the affected modules for data exchange, the polling for a valid reference variable has
been changed to GOOD_NON_SPECIFIC.
K 2.00 Partial stroke test (PST) and full stroke test (FST) added
KH 8384-4 EN 3
Revisions of positioner firmware

4KH 8384-4 EN

Contents Page
1 PROFIBUS-PA communication. . . . . . . . . . . . . . . . . . . . . . 6
2 Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Cyclic data exchange . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 GSD files and automatic ID number adaptation . . . . . . . . . . . . . 8
3.2 Data exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Integration for PCS7 control system. . . . . . . . . . . . . . . . . . . 14
3.4 General instructions to start up the positioner . . . . . . . . . . . . . . 14
4 CHECKBACK – Device status. . . . . . . . . . . . . . . . . . . . . . 15
5 Measured value status and valve diagnostics . . . . . . . . . . . . . 17
5.1 Extended valve diagnostics – EXPERTplus . . . . . . . . . . . . . . . . 17
5.2 Classification of the status alarms and the condensed state . . . . . . . . 18
5.3 Status alarm according to Profile 3.01 . . . . . . . . . . . . . . . . . 21
5.4 Status alarms according to Profile 3.01 Condensed Status. . . . . . . . 25
5.5 Standard diagnostics with PROFIBUS-DP protocol . . . . . . . . . . . . 29
6 Acyclic data exchange . . . . . . . . . . . . . . . . . . . . . . . . 36
7 Partial stroke testing over DP-V0 . . . . . . . . . . . . . . . . . . . 37
8 Parameter lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
8.1 Physical Block, Slot 0 · Profile-specific parameters. . . . . . . . . . . . 39
8.1.1 Physical Block, Slot 0 · Manufacturer-specific parameters . . . . . . . . 47
8.1.2 AO Function Block, Slot 1 · Profile-specific parameters . . . . . . . . . 63
8.2 AO Transducer Block, Slot 1 · Profile-specific parameters . . . . . . . . 68
8.3 AO Transducer Block, Slot 1 · Manufacturer-specific parameters . . . . 77
8.3.1 DI1/2 Function Block, Slot 2/3 · Profile-specific parameters . . . . . . . 93
8.3.2 DI1/2 Transducer Block, Slot 2/3 · Profile-specific parameters . . . . . 97
KH 8384-4 EN 5
Contents

1 PROFIBUS-PA communication
The PROFIBUS-PA is a fieldbus version for process automation based on the widely used
PROFIBUS-DP. The transmission technique conforms with the IEC 61158-2 standard and
therefore fulfills the requirements for the type of protection, intrinsic safety.
PROFIBUS-DP defines two types of masters:
4Class 1 master exchanges the data with the configured slaves.
4Class 2 master is used for acyclic data exchange for commissioning and diagnostics pur-
poses.
2 Profile
Basic device functions have been described in profiles by PNO (PROFIBUS user organiza-
tion) to supplement the EN 50170 standard.
The scope of functions of the Type 3730-4 Positioner is consistent with Profile 3.01 for final
control elements. However, it still fulfills all obligatory functions of Profile 3.02, e.g. the auto-
matic implementation on replacing old device models and versions or concerning the con-
densed state according to the NAMUR Recommendation NE 107.
6KH 8384-4 EN
PROFIBUS-PA communication

3 Cyclic data exchange
Cyclically transmitted parameters
The following parameters that are transmitted in cyclic data transfer are marked with an as-
terisk (*) in the parameter lists on page 38 onwards.
4POS_D
Current position of the valve (discrete)
0: Not initialized
1: Closed (x < 0.5 %)
2: Open (x > 99.5 %)
3: Intermediate position
4RCAS_IN
Setpoint with status: Reference variable w in RCAS mode
Provided by a supervisory host, e.g. PID Block or master class 1. Depending on the mode
of the function block.
Range of values defined in PV_SCALE
4RCAS_OUT
Setpoint with status: Reference variable w in RCAS mode
Provided to a supervisory host, z. B. PID Block or master class 1. Depending on the mode
of the function block.
Range of values defined in PV_SCALE
4READBACK
Current position of the valve and status
Controlled variable x in relation to travel range/angle of rotation (OUT_SCALE)
Range of values defined in PV_SCALE
4SP
The setpoint SP is transmitted to the positioner. Defines the position of the valve between
the open and closed positions.
Range of values defined in PV_SCALE
4DI_OUT
Output of the DI Function Block
KH 8384-4 EN 7
Cyclic data exchange

Status of the device and measured values
4Checkback
Refer to section 4 for device status.
4Status
Each process value is assigned a status according to the PROFIBUS-PA Profile.
Status of reference variable (hex):
0-3f
40-7f
80-bf
Bad
Uncertain
Good
Refer to section 5 for measured value status.
3.1 GSD files and automatic ID number adaptation
The General Station Description file (GSD file) is included in the scope of delivery for every
PROFIBUS positioner and supplies all information required for the cyclic exchange of process
data (setpoint, status, etc.) with the host system and for configuring the PROFIBUS network.
Each positioner and its GSD file has a unique ID number (ident number) assigned to it. This
allows the host to check the compatibility between the configuration in the system and the
actual device.
8KH 8384-4 EN
Cyclic data exchange
Fig. 2 · Replacing positioners with automatic adaptation of the ID number
HOST
Host system,
e.g. BPCS, PLC etc.
GSD
0688
Exchanging positioners
Compatibility mode active
Works as Type 3785 Profile 3.0
with ID number 0688
Compatibility test
Expects Type 3785 Profile 3.0
with ID number 0688
Type 3785 Profile 3.0
ID number 0688
Type 3730-4
ID number 071D

The ID number (ident number) of the GSD file must be the same as the ID number of the de-
vice to ensure successful integration.
The Automatic Ident Number Adaption function allows a Type 3785 Positioner to be re-
placed by a Type 3730-4 Positioner without having to replace the GSD file in the host sys-
tem: The configured GSD file/ID number of the positioner is checked by the host (compatibil-
ity test) during the transition to cyclic data exchange. If the positioner is in the compatibility
mode, the GSD file/ID number of the Type 3785 Positioner (Profile 2.0 and Profile 3.0) is
also accepted by the positioner. The positioner changes to cyclic data exchange.
The functions of the active positioner model (active ID number) are only supported by the
process control system for communication.
Example: If the Type 3730-4 Positioner is operated in the compatibility mode for Type 3785
Profile 3.0, the diagnosis telegram then communicates as with Type 3785. Diagnosis bits,
which were first introduced with Profile 3.01, are not set. Additionally, the DI Blocks of
Type 3730-4 cannot be used as they are not available in Type 3785.
Proceed as follows to replace the Type 3785 Positioner with the Type 3730-4 Positioner:
NOTICE
–
The Type 3730-4 Positioner must be mounted and connected properly. Refer to
EB 8384-4 EN.
–
Configuration over PROFIBUS must be performed with the associated EDD or DTM of
Type 3730-4 as this is the only way to access the device parameters.
1. Change the bus address of Type 3730-4 to the same bus address as Type 3785. This can
be done over the PROFIBUS protocol (DEVICE_ADDRESS parameter), using the
TROVIS-VIEW software or in Code 46 in the positioner.
2. Start up the positioner (refer to EB 8384-4 EN).
Note: After initialization (in step 2), the positioner is in compatibility (adaptation) mode
(IDENT_NUMBER_SELECTOR parameter in the Physical Block). Do not change this setting.
KH 8384-4 EN 9
Cyclic data exchange

3.2 Data exchange
The relationship between output and input is based on the control system/master class 1.
SLOT 1
4Version 1: Module = SP
0x4A or 0x82, 0x84, 0x08, 0x05
Output
Byte 0 1234
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
SP, value
(floating point, IEEE) Status
4Version 2: Module = RCAS_IN, RCAS_OUT
0xC4, 0x84, 0x84, 0x08, 0x05, 0x08, 0x05
Output
Byte 0 1234
Octet 1
sign,
exponent
Octet 2
Exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
RCAS_IN, value
(floating point, IEEE) Status
Input
Byte 0 1234
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
RCAS_OUT, value
(floating point, IEEE) Status
10 KH 8384-4 EN
Cyclic data exchange

4Version 3: Module = SP, READBACK + POS_D
0xC6, 0x84, 0x86, 0x08, 0x05, 0x08, 0x05, 0x05, 0x05
Output
Byte 0 1234
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
SP, value
(floating point, IEEE) Status
Input
Byte 0 123456
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
Octet 1 Octet 2
READBACK, value
(floating point, IEEE) Status POS_D value
POS_D
status
4Version 4: Module = SP, CHECKBACK
0xC3, 0x84, 0x82, 0x08, 0x05, 0x0A
Output
Byte 0 1234
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
SP, value
(floating point, IEEE) Status
Input
Byte 0 1 2
Octet 1 Octet 2 Octet 3
CHECK_
BACK[0]
CHECK_
BACK[1]
CHECK_
BACK[2]
KH 8384-4 EN 11
Cyclic data exchange

4Version 5: Module = SP, READBACK + POS_D + CHECKBACK
0xC7, 0x84, 0x89, 0x08, 0x05, 0x08, 0x05, 0x05, 0x05, 0x0A
Output
Byte 0 1234
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
SP, value
(floating point, IEEE) Status
Input)
Byte 0 123456789
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
Octet 1 Octet 2 Octet 1 Octet 2 Octet 3
READBACK, value
(floating point, IEEE) Status POS_D value
POS_D
status
CHECK_
BACK[0]
CHECK_
BACK[1]
CHECK_
BACK[2]
4Version 6: Module = RCAS_IN, RCAS_OUT + CHECKBACK
0xC5, 0x84, 0x87, 0x08, 0x05, 0x08, 0x05, 0x0A
Output)
Byte 0 1234
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
RCAS_IN, value
(floating point, IEEE) Status
Input
Byte 0 1234567
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
Octet 1 Octet 2 Octet 3
RCAS_OUT, value
(floating point, IEEE) Status CHECK_ BACK[0]
CHECK_
BACK[1]
CHECK_
BACK[2]
12 KH 8384-4 EN
Cyclic data exchange

4Version 7: Module = SP + RCAS_IN, READBACK + RCAS_OUT + POS_D + CHECKBACK
0xCB, 0x89, 0x8E, 0x08, 0x05, 0x08, 0x05, 0x08, 0x05, 0x08, 0x05, 0x05, 0x05,
0x0A
Output
Byte 0 123456789
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
SP, value
(floating point, IEEE) Status RCAS_IN, value (floating point, IEEE) Status
Input
Byte 0 123456789
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
Octet 1
sign,
exponent
Octet 2
exponent
fraction
Octet 3
fraction
Octet 4
fraction
Octet 5
fraction
READBACK, value
(floating point, IEEE) Status RCAS_OUT, value (floating point, IEEE) Status
Byte 10 11 12 13 14
Octet 1 Octet 2 Octet 1 Octet 2 Octet 3
POS_D
value
POS_D
status
CHECK_
BACK[0]
CHECK_
BACK[1]
CHECK_
BACK[2]
SLOT 2, 3
4Version 1: Module = Discrete Input (DI)
0x91
Input)
Byte 0 1
Octet 1
value
Octet 2
status
DI_OUT
value
DI_OUT
status
KH 8384-4 EN 13
Cyclic data exchange

3.3 Integration for PCS7 control system
The following instructions must be observed on integrating the positioner into a Siemens
Simatic S7 control system to ensure that the positioner functions properly:
1. The module in Slot 1 can be read out over the function component SFC 14 DPRD_DAT
and, for example, assigned to a data module.
2. Existing modules in Slot 2 and/or Slot 3 need to be allocated over the MOVE command
as the use of SFC 14 is not permissible in this case.
Note:
–
Data consistency is first provided from a data length of 3 bytes or 5 bytes.
–
Use the MOVE command for data types BYTE, WORD and DWORD.
–
If the SFC 14 is to be used over several slots, do not forget that the data length is always
to be regarded separately for each slot!
3.4 General instructions to start up the positioner
The positioner remains in the fail-safe position until it receives a valid setpoint from the pro-
cess control system (status < 0x80).
S blinks on the positioner display to indicate that the
positioner is in the fail-safe position (see EB 8384-4 EN). First when a valid setpoint (status
³0x80) is set, the positioner leaves the fail-safe position and follows the reference variable.
14 KH 8384-4 EN
Cyclic data exchange

4 CHECKBACK – Device status
Each bit can be masked individually for cyclic communication by the class 2 master. This al-
lows a targeted selection to be made from the active alarms.
Byte Bit Name Description
0 0 CB_FAIL_SAFE Fail-safe position: The fail-safe position has been trig-
gered. This may have been caused by the local operation,
activation of the SET_ FAIL_SAFE_POS option or due to a
communication failure.
R
1 CB_REQ_LOC_OP Request for local operation: This is set when the initializa-
tion key of the local operation is activated. A
2 CB_LOCAL_OP Local operation:
•The device has been switched to the MAN or SAFE
mode by the local operation.
•The device is in the self-testing mode (initialization, zero
point calibration or diagnostic function active). In this
case, the CB_SELFTEST bit is also set.
R
0 3 CB_OVERRIDE Operating voltage for the optional integrated solenoid
valve failed: The positioner cannot function and moves to
the fail-safe position determined by the actuator, regard-
less of the reference variable.
R
4…6 Not assigned
7 CB_TRAVE_TIME Control loop error: The control valve no longer follows the
controlled variable in the tolerable times (see error code 57
in EB 8384-4 EN).
This alarm is reset after 10 seconds. The message
CHECKBACK byte 1 bit 5 remains, in contrast, until it is
confirmed.
A
1 0…1 Not assigned
2 CB_UPDATE_EVENT Static data changed: This is set when the device data have
been changed, allowing (unintended/unauthorized)
changes from the originally set values to be monitored.
A
3 CB_SIMULATE Simulation mode active: This is set when the simulation
mode of at least one Function Block is active.
The simulation mode of the AO Function Block allows the
controlled variable x to be simulated.
The simulation mode of the DI Function Block allows the
discrete output to be simulated.
R
4 Not assigned
KH 8384-4 EN 15
CHECKBACK – Device status

Byte Bit Name Description
1 5 CB_CONTR_ERR Control loop error: The control valve no longer follows the
controlled variable in the tolerable times (see error code
57 in EB 8384-4 EN). The error must be reset manually.
R
6 CB_CONTR_INACT Positioner inactive: This is set when the device is in the
OUT OF SERVICE mode or the output of the AO Function
Block has a bad status.
R
7 CB_SELFTEST Device is in self-testing mode: This is set when the initial-
ization routine, the zero point calibration or a diagnostic
function of the extended EXPERTplus valve diagnostics is
active.
R
2 0 CB_TOT_VALVE_TRAV Limit value for total valve travel exceeded: The current
value for the total valve travel is above the entered or pre-
determined limit.
Reset over SELF_CALIB_CMD = 10 (Reset “Total valve
travel limit exceeded”).
R
1 CB_ADD_INPUT Status of the second optional integrated binary input: The
use of the second binary input must be configured corre-
spondingly with CONFIG_BINARY_ INPUT2.
2…7 Not assigned
7 CB_ZERO_POINT_ERROR Zero point error (see error code 58 in EB 8384-4 EN) R
R Static alarm remains active as long as the reason for the alarm still exists in the device
A Dynamic alarm is automatically reset after 10 seconds
16 KH 8384-4 EN
CHECKBACK – Gerätestatus

5 Measured value status and valve diagnostics
5.1 Extended valve diagnostics – EXPERTplus
The Type 3730-4 Positioner includes integrated diagnostic functions. According to the
Profibus Profile 3.01 and the 'Condensed status and diagnostic messages' extension, the
generated alarms can be classified and summarized (see section 5.5, page 29).
The EXPERTplus extended diagnostics provides the following in-service monitoring and
out-of-service tests to provide significant statements on the condition of the entire control
valve.
Statistical information (in-service monitoring)
4Data logger
4Histograms
4Cycle counter
4Valve end position trend
4Drive signal diagram
4Hysteresis test
Tests (out-of-service tests)
4Drive signal diagram over the full range of the valve
4Hysteresis test diagram over the full range of the valve
4Static characteristic
4Partial stroke test
The diagnostic tests are completely integrated into the positioner. The PROFIBUS-PA protocol
allows parameters to be entered and test results to be read. The graph readings depend on
the process control system used.
Further status alarms are generated from the extensive information compiled during the diag-
nostic tests of EXPERTplus which provide the user with information covering the entire control
valve.
The required reference graphs are automatically plotted after initialization and saved in the
positioner if the plotting is activated with Code 48 - h0 in EXPERTplus.
KH 8384-4 EN 17
Measured value status and valve diagnostics

5.2 Classification of the status alarms and the condensed state
Note: The following description only applies to positioners configured corresponding to the
Profile 3.01 with the 'Condensed status and diagnostic messages' extension (set in the
COND_STATUS_ DIAG parameter of the Physical Block).
The alarms are classified in the positioner, i.e. when an alarm is issued, it is assigned a sta-
tus. The classification of the states can be changed.
To provide a better overview, the positioner state is summarized in a condensed state.
This condensed state is made up from a summary of all classified status alarms.
If an event is classified with “No message”, this event has no influence on the condensed sta-
te. If the classification “No message” is assigned for a diagnostic alarm, this alarm is not in-
cluded in the diagnostic parameter. To be able to read all diagnostic alarms regardless of
which classification they have been assigned to, these are entered in
DIAGNOSIS_EXT_1_RAW and DIAGNOSIS_EXT_2_RAW parameters.
The following states can be selected (refer to Fig. 3):
4Maintenance alarm
The positioner cannot perform its control task due to a functional fault in the device or in
one of its peripherals or an initialization has not yet been successfully completed.
4Maintenance required
The positioner still performs its control task (with restrictions). A maintenance requirement
or above average wear has been determined. The wear tolerance will soon be exhausted
or is reducing at a faster rate than expected. Maintenance is necessary in the medium
term.
4Maintenance demanded
The positioner still performs its control task (with restrictions). A maintenance demand or
above average wear has been determined. The wear tolerance will soon be exhausted or
is reducing at a faster rate than expected. Maintenance is necessary in the short term.
4Process-related fault/Out of specification
The current process conditions do not allow a valid calculation of values.
4Function check
Test or calibration procedures are being performed. The positioner is temporarily unable
to perform its control task until this procedure is completed.
18 KH 8384-4 EN
Measured value status and valve diagnostics

The condensed state is displayed in the engineering tool and on the positioner display (see
table below).
Status modification
The classification of the status alarms can be assigned as required using the TROVIS-VIEW
software connected to the local SSP interface of the positioner or over the PA parameters.
NOTICE
All extended alarms generated by the EXPERTplus diagnostics are assigned the “No messa-
ge” status by default.
Logging and displaying diagnostic functions/alarms
The last 30 alarms are logged in the positioner. An alarm that is repeated is only logged
once when it first occurs.
The alarms and the condensed state appear on the display as described in the code list (refer
to EB 8384-4 EN). In addition, the diagnostic parameters are available over the communica-
tion interface of the positioner. The diagnostic functions can easily be displayed and config-
ured using the TROVIS-VIEW software connected over the local interface (SSP) or over the
PROFIBUS protocol.
The COND_STATUS_DIAG parameter in the Physical Block allows you to select whether the
measured value status is to be set according to Profile 3.01 or according to the 'Condensed
Status and diagnostic messages' profile extension.
KH 8384-4 EN 19
Measured value status and valve diagnostics
Status alarm Engineering tool/
TROVIS-VIEW (version 3.40 and higher)
Positioner display
No message, OK green
Function check orange
tEsting , tunE or tEst
Maintenance required
Maintenance demanded blue
Process-related fault
Out of specification yellow
Maintenance alarm red
Condensed state

20 KH 8384-4 EN
Measured value status and valve diagnostics
Fig. 3 · Status and diagnostic alarms
Event
Con-
densed
state?
Yes
Diagnosis
Status
Good/No message Maintenance required DIA_MAINTENANCE Maintenance demanded DIA_MAINTENANCE_ DEMANDED Maintenance alarm DIA_MAINTENANCE_ALARM Process-related fault/Out of specification DIA_INV_PRO_COND Function check DIA_FUNCTION_CHECK
Diagnosis
(condensed state)
Measured value status
CHECKBACK acyclic
CHECKBACK cyclic
Automation system,
visualization/operator
------------------------------
Maintenance required
Maintenance demanded
Maintenance alarm
Select
Display, engineering
tool, plant asset
management tool etc.
No
Good - OK Good - Maintenance required Good - Maintenance demanded
Uncertain - Maintenance demanded Bad - Maintenance alarm
Uncertain - Process-related fault/out of specification
(no maintenance)
Function check - bad function check Function check - good function check
Default values Status Diagnosis