Spirax Sarco SP7-10 User manual

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IM-S51-07 CTLS Issue 1
SP7-10, SP7-11, SP7-12 and SP7-20, SP7-21, SP7-22 Parameterization
© Copyright 2022
SP7-10, SP7-11, SP7-12 and
SP7-20, SP7-21, SP7-22
Parameterization
IM-S51-07
CTLS Issue 1
Device firmware version 05: SP7-10 / SP7-20
Device firmware version 03: SP7-11 / SP7-12 / SP7-21 / SP7-22

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SP7-10, SP7-11, SP7-12 and SP7-20, SP7-21, SP7-22 Parameterization
Contents
1. General information
4
1.1 General information and instructions
1.2 Warnings
1.3 Intended use
51.4 Improper use
1.5 Warranty provisions
2. Operation
6
2.1 Safety instructions
2.2 Parameterization of the device
2.3 Description of symbols
7
2.4 Operating button functions
2.5 Menu levels
8
2.6 operating modes
2.7 Inhibiting operation 11
3. Configuration
12
3.1 General information
3.2 Example
3.3 4.20mA and 4-20mA HART parameter descriptions (SP7-10 and SP7-20) 13
3.4 HART parameter overview (Graphic) 17
3.5 Parameter group 1: Standard 18
3.6 Parameter group 2: Setpoint 22
3.7 Parameter group 3: Operating range 26
3.8 Parameter group 4: Messages 28
3.9 Parameter group 5: Alarms 31
3.10 Parameter group 6: Manual adjustment 33
3.11 Parameter group 7: Control parameters 37
3.12 Parameter group 8: Analog output 44
3.13 Parameter group 9: digital output 47
3.14 Parameter group 10: digital input 49
3.15 Parameter group 11: Safe position 50
3.16 Profibus PA and Foundation Fieldbus parameter descriptions (SP7-11, SP7-12 and SP7-21, SP7-22) - PROFIBUS PA
and Foundation Fieldbus parameter overview 53
3.17 Profibus PA and Foundation Fieldbus parameter descriptions (SP7-11, SP7-12 and SP7-21, SP7-22) 54
3.18 Specific parameters for digital BUS communication versions only: - P1.5 ADRESS – Bus Address (PROFIBUS PA
version only) 55
3.19 P7.4 GOPULSE^ Go pulse (up)
56
3.20 P7.5 GOPULSEv Go pulse (down)

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4. Diagnosis / error messages 57
4.1a Error codes
4.1b Specific SP7-11/12 and SP7-21/22 Error messages 59
4.2 Alarm codes 60
4.3 Message codes 61
4.4 Error handling 62
Copyright © Spirax-Sarco Limited 2022
All rights reserved
Spirax-Sarco Limited grants the legal user of this product (or device) the right to use the Work(s) solely within the
scope of the legitimate operation of the product (or device). No other right is granted under this licence. In particular
and without prejudice to the generality of the foregoing, the Work(s) may not be used, sold, licensed, transferred,
copied or reproduced in whole or in part or in any manner or form other than as expressly granted here without the
prior written consent of Spirax-Sarco Limited.

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1. General information
1.1 General information and instructions
These instructions are an important part of the product and must be retained for future reference. Installation, commissioning, and
maintenance of the product may only be performed by trained specialist personnel who have been authorized by the plant operator
accordingly. The specialist personnel must have read and understood the manual and must comply with its instructions. For additional
information or if specific problems occur that are not discussed in these instructions, contact the manufacturer. The content of these
instructions is neither part of nor an amendment to any previous or existing agreement, promise or legal relationship. Modifications and
repairs to the product may only be performed if expressly permitted by these instructions. Information and symbols on the product must
be observed. These may not be removed and must be fully legible at all times. The operating company must strictly observe the applicable
national regulations relating to the installation, function testing, repair and maintenance of electrical products.
1.2 Warnings
The warnings in these instructions are structured as follows:
DANGER
The signal word "DANGER" indicates an imminent danger.
Failure to observe this information will result in death or severe injury
WARNING
The signal word "WARNING" indicates an imminent danger. Failure to observe this information may result in
death or severe injury.
CAUTION
The signal word "CAUTION" indicates an imminent danger. Failure to observe this information may result in
minor or moderate injury.
NOTE
The signal word "NOTE" indicates useful or important information about the product.
The signal word "NOTE" is not a signal word indicating a danger to personnel The signal word "NOTE" can
also refer to material damage.

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1.3 Intended use
Positioning of pneumatically controlled actuators; designed for mounting on linear and part-turn actuators. The device is designed for
use exclusively within the stated values on the nameplate and in the data sheet.
-The maximum operating temperature must not be exceeded.
-The permissible ambient temperature must not be exceeded.
-The housing protection type must be observed.
1.4 Improper use
The following are considered to be instances of improper use of the device:
-For use as a climbing aid, e.g. for mounting purposes
-For use as a support for external loads, e.g. as a support for piping, etc.
-Material application, e.g. by painting over the name plate or welding/soldering on parts.
-Material removal, e.g. by spot drilling the housing.
1.5 Warranty provisions
Using the device in a manner that does not fall within the scope of its intended use, disregarding this manual, using underqualified
personnel, or making unauthorized alterations releases the manufacturer from liability for any resulting damage. This renders the
manufacturer's warranty null and void.

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2. Operation
2.1 Safety instructions
CAUTION
Risk of injury due to incorrect parameter values!
Incorrect parameter values can cause the valve to move unexpectedly. This can lead to process failures and
result in injuries
- Before recommissioning a positioner that was previously in use at another location , always reset the device
to its factory settings.
- Never start Auto Adjust before restoring the factory settings
If there is a chance that safe operation is no longer possible, take the device out of operation and secure it against unintended
startup.
2.2 Parameterization of the device
The LCD display features operating buttons which enable the device to be operated with the housing cover open.
2.2.1 Menu navigation
Fig. 1: LCD display with operating buttons
Value display with unit
This 7-segment display with four digits indicates parameter values or parameter reference numbers. For values, the physical unit (°C,
%, mA) is also displayed.
Designator display
This 14-segment display with eight digits indicates the designators of the parameters with their status, of the parameter groups, and
of the operating modes.
1 Value display with unit
2 Symbol display
3 Designator display
4 Operating buttons for menu navigation

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2.3 Description of symbols
Symbol Description
Operation or access is restricted.
Control loop is active.
The symbol is displayed when the positioner is in operating mode 1.0 CTRL_ADP
(adaptive control) or 1.1 CTRL_FIX (fixed control) at operating level. On the
configuration level there are test functions for which the controller will be active as
well. The control loop symbol will also be displayed when these functions are active.
Manual adjustment.
The symbol is displayed when the positioner is in operating mode 1.2 MANUAL (manual
adjustment within the stroke range) or 1.3 MAN_SENS (manual adjustment within the
measuring range) at operating level. At configuration level, manual adjustment is active
when setting the valve range limits (parameter group 6 MIN_VR (min. of valve range)
and 6 MAX_VR (max. of valve range)). The symbol will also be displayed when these
parameters are being set.
The configuration icon indicates that the positioner is at
the configuration level. The control operation is inactive.
The four operating buttons ENTER, MODE, ARROW UP and ARROW DOWN are pressed individually or in certain combinations
according to the function desired.
2.4 Operating button functions
Control button Meaning
ENTER 'E'
-Acknowledge message
-Start an action
-Save in the non-volatile memory
MODE 'M' -Choose an operating mode (Operating level)
-Select parameter group (Configuration level)
UP direction arrow
DOWN direction arrow
Press and hold all buttons for 5 seconds Reset

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Controlling operation with automatic adaptation of the control parameters When the P1.0CTRL_ADP positioner is operated in "Adaptive
Mode", the control parameters are automatically optimized to the operating conditions in small increments. This is especially helpful if
valves and fittings could not be operated with reference conditions while the Auto Adjust
function was in progress. Since self-optimization in "Adaptive Mode" is subject to several factors during operation and mismatches
could result over a longer period, we recommend that this operating mode only be activated over several hours and be followed by the
mode P1.1 CTRL_FIX.
The valve position is indicated as a percentage of the operating range (from 0 ... 100%).
2.5 Menu levels
The positioner has two operating levels:
Operating level
On the operating level the positioner operates in one of four possible operating modes (two
for automatic control and two for manual mode). Parameters cannot be changed or saved
on this level.
Configuration level
On this level most of the parameters of the positioner can be changed locally. The PC is
required to change the limit values for the movement counter, the travel counter, and the
user-defined characteristic curve. On the configuration level the active operating mode is
deactivated. The I/P module is in neutral position. The control operation is inactive.
NOTE
Property damage
During external configuration via a PC, the positioner no longer responds to the setpoint current. This may
lead to process failures. Prior to external configuration, always move the actuator to the safety position and
activate manual adjustment.
2.6 operating modes
2.6.1 Operating mode 1.0: Control with adaptation

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2.6.2 Operating mode 1.1: Control without adaptation
Controlling operation with fixed parameters This is the normal recommended operating mode.
In contrast to the operating mode P1.0 CTRL_ADP, the control parameters are not automatically adjusted. The valve position is
indicated as a percentage of the operating range (from 0 ... 100%).
In both control modes 1.0 and 1.1, several values can be displayed besides the current actuator position:
Set point display
1. Press and hold the ARROW UP button. The setpoint is displayed.
2. Briefly press ENTER.
The setpoint display is toggled between the setpoint current at the input terminals in mA and the setpoint as a percentage of the
stroke range.
Temperature display
1. Press and hold the ARROW DOWN button. The temperature inside the case is displayed.
2. Briefly press ENTER.
3. The temperature display is toggled between °C and °F.
Display of control deviation
1. Press and hold the ARROW UP and ARROW DOWN button.
The control deviation is displayed as a percentage (%) of the stroke range.

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2.6.3 Operating mode 1.2: Manual adjustment in the stroke range
The valve is adjusted manually using the direction buttons ARROW UP and ARROW DOWN within the stroke range.
1. Press and hold the button for the desired direction.
2. To activate the high speed mode in the manual mode, press the second arrow button.
CAUTION
If air escapes due to a leakage, the position will not be readjusted.
Configured stroke limit positions and stroke times are not effective in manual mode.
In this operating mode the valve position is indicated as a percentage (%) of the stroke range.
2.6.4 Operating mode 1.3: Manual adjustment in the sensor range
See operating mode 1.2

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2.7 Inhibiting operation
Positioner operation can be inhibited completely or partially via the digital input and the FUNCTION parameter in parameter group 10
(DIG_IN (digital input)). This allows the user to prevent or restrict operating actions of unauthorized personnel as desired. When operation
is disabled in this way, the key symbol is indicated in the display.
The following levels of configuration locks are possible:
Inhibiting the local configuration Local operation on the operating level and remote operation and configuration via a PC are still possible.
Inhibiting all local operating functions No local operating actions can be executed. Both the operating level and the configuration level
are locked. Remote operation and setting of parameters via a PC is still possible.
Inhibiting local operation and remote configuration It is not possible to operate or configure the positioner locally or configure it using
a PC.
NOTE
This inhibit function can only be deactivated when a voltage of 12 ... 30 V is applied at the digital input of the
positioner (see Function selection in parameter group 10, on page 49).

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3.1 General information
Most parameters for the positioner can be set locally, meaning that configuration only needs to be performed via the local communication
interface (LCI) or HART modem and PC in exceptional cases. You may also deny or restrict local modification and saving of parameters
by completely or partially blocking access to the configuration level (see Chapter "Inhibiting operation" on page 8 and the description
of the Function parameter on page 30). To simplify the process, the different parameters are grouped as follows:
ID Designator ID Designator Name
P1._ STANDARD Standard
P2._ SETPOINT Setpoint
P3._ ACTUATOR Actuator
P4._ MESSAGES Events
P5._ ALARMS Alarms
P6._ MAN_ADJ Manual adjustment
P7. _ CTRL_PAR Control parameters
P8._ ANLG_OUT Analog output
P9._ DIG_OUT Digital output
P10._ DIG_IN Digital input
P11._ FS / IP Factory setting, I/P type
The following sections provide an overview (in tabular and graphical format) of the overall structure of the parameter groups and
parameters.
3.2 Example
3. Configuration
Parameter
(1st line in
display)
Indicator
(2nd line in
display)
Function Possible parameter
settings
Unit Factory Setting
P1 - STANDARD
P1.0 ACTUATOR Actuator type LINEAR, ROTARY -LINEAR
P11 AUTO_ADJ Autoadjust Command/Function is
being run
- -
P1.2 ADJ_MODE Automatic
adjustment mode
FULL, STROKE, CTRL,
PAR, ZERO_POS,
LOCKED
-FULL
P1.3 TEST Test Command/Function is
being run
-INACTIV
P1.4 EXIT Return to
operating level
Command/Function is
being run
-NV_SAVE
P2. SETPOINT

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3.3 4.20mA and 4-20mA HART parameter descriptions (SP7-10 and SP7-20)
Parameter Display Function Possible parameter
setting Unit Factory setting
P1._ STANDARD Actuator type Actuator type LINEAR, ROTARY - - - LINEAR
P1.0 ACTUATOR Auto adjust Autoadjust Function --- ---
P1.1 AUTO ADJ Auto adjust mode Automatic
adjustment mode
FULL,STROKE,CTRL_PAR,
ZERO_POS, LOCKED FULL
P1.2 ADJ_MODE
P1.3 TEST Test Test Function --- INACTIVE
P1.4 FIND_DEV Find device Find device DISABLE, ONE TIME,
CONTINOUS --- DISABLED
P1.5 EXIT Return Return to
operating level Function --- NV SAVE
P2._ SETPOINT
P2.0 MIN_RGE Min setpoint range Min. setpoint
range 4.0 ... 18.4 mA 4.0
P2.1 MAX_RGE Max setpoint
range
Max. setpoint
range 20.0 ... 5.6 mA 20.0
P2.2 CHARACT Ch aract. curve Characteristic
curve
LINEAR, 1 :25, 1 50, 25 1, 50 1,
USERD --- LINEAR
P2.3 ACTION Valve action Effective direction DIRECT, REVERSE --- DIRECT
P2.4 SHUT_CLS Shut-off value 0% Shut-off value O % OFF, 0.1 ... 45.0 % 1.0
P2.5 SHUT_OPN Shut off value
100%
Shut-off value 100
% 55.0 ... 100.0, OFF % OFF
P2.6 RAMP UP Set point ramp, up Setpoint ramp (up) OFF, 0 ... 200 --- OFF
P2.7 RAMP DN Set point ramp,
down
Setpoint ramp
(down) OFF, 0 ... 200 --- OFF
P2.8 EXIT
P3._ ACTUATOR
P3.0 MIN_RGE Return Return to
operating level Function --- NV SAVE
P3.1 MAX_RGE Min. of stroke
range
Operating range,
min. 0.0 ... 90.0 % 0.0
P3.2 ZERO_POS Max. of stroke
range
Operating range,
max. 100.0 ... 10.0 % 100
P3.3 EXIT Zero position Zero position CLOCKWISE, CTCLOCKWISE --- CTCLOCKWISE

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Parameter Display Function Possible parameter
setting Unit Factory setting
P4._ MESSAGES
P4.0 TIME_OUT Control time out Dead band time
limit OFF, … 200 --- OFF
P4.1 POS_SW1 Position switch 1 Switching point
SW1 0.0 … 100.0 %0.0
P4.2 POS_SW2 Position switch 2 Switching point
SW2 0.0 … 100.0 %100.0
P4.3 SW1_ACTV Switchpoint 1
enable
Active direction
SW1 FALL_BEL, EXCEED --- FALL_BEL
P4.4 SW2_ACTV Switchpoint 2
enable
Active direction
SW2 FALL_BEL, EXCEED --- EXCEED
P4.5 EXIT Return Return to
operating level Function --- NV_SAVE
P5._ ALARMS
P5.0 LEAKAGE Leakage detection Leakage to
actuator ACTIVE, INACTIVE --- INACTIVE
P5.1 S P_ RG E Setpoint rng
monitor
Outside the
setpoint range ACTIVE, INACTIVE --- INACTIVE
P5.2 SENS_RGE Sens. range
monitor
Operating range
exceeded ACTIVE, INACTIVE --- INACTIVE
P5.3 CTRLER Controller monitor Controller inactive ACTIVE, INACTIVE --- INACTIVE
P5.4 TIME_OUT Control time out Dead band time
limit ACTIVE, INACTIVE --- INACTIVE
P5.5 STRK_CTR Stroke counter Movement counter ACTIVE, INACTIVE --- INACTIVE
P5.6 TRAVEL Travel counter Travel counter ACTIVE, INACTIVE --- INACTIVE
P5.7 EXIT Return Return to
operating level Function --- NV_SAVE
P6._ MAN ADJ
P6.0 MIN VR Min. valve range Operating range,
min. 0.0 ... 100.0 % 0
P6.1 MAX VR Max. valve range Operating range,
max. 0.0 ... 100.0 % 100
P6.2 ACTUATOR Actuator type Actuator type LINEAR, ROTARY --- LINEAR
P6.3 SPRNG Y2 Spring action (Y2) Spring action (Y2) CLOCKWISE, CTCLOCKWISE --- CTCLOCKWISE
P6.4 DANG DN Dead angle close Dead angle 0 % 0.0 ... 45.0 % 0.0
P6.5 DANG UP Dead angle open Dead angle 100 % 55.0 ... 100.0 % 100.0
P6.6 BOLT POS Bolt position Actuator position LEVER, STEM --- LEVER
P6.7 EXIT Return Return to
operating level Function --- NV SAVE

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Parameter Display Function Possible parameter
setting Unit Factory setting
P7._ CTRL PAR
P7.0 KP UP KP value, up KP value (up) 0.1 ... 120.0 --- 5
P7.1 KP DN KP value, down KP value (down) 0.1 ... 120.0 --- 5
P7. 2 TVUP TVvalue, up lV value (up) 10 . . 450 --- 200
P7.3 TVDN TV value, down lV value (down) 10 ... 450 --- 200
P7.4 Y-OFS UP Y offset, up Y offset (up) 0.0 ... 100.0 % 48.0
P7.5 Y-OFS DN Y offset, down Y offset (down) 0.0 ... 100.0 % 48.0
P7.6 TOL BAND Tolerance band
(zone)
Tolerance band
(zone) 0.3 ... 10.0 % 2.0
P7.7 DEADBAND Dead band Dead band 0.10 ... 10.00 % 0.20
P7.8 DB APPR Deadband
Approach
Dead-band
approach SLOW, MEDIUM, FAST MEDIUM
P7.9 TEST Test Test Function --- INACTIVE
P7.10 DB CALC Deadband calculat. Dead-band
determination ON, OFF --- ON
P7.11 LEAK SEN Leakage sensivity Leakage sensitivity 1 ... 7200 s 30
P7.12 CLOSE UP Pos. time out Position monitoring 0.0 ... 100.0 % 0.30
P7.13 EXIT Return Return to operating
level Function --- NV SAVE
P8._ ANLG OUT
P8.0 MIN RGE Min. range Min. current range 4.0 ... 18.4 mA 4.0
P8.1 MAX RGE Max. range Max. current range 20.0 ... 5.7 mA 20.0
P8.2 ACTION Action
Direction of action
of characteristic
curve
DIRECT, REVERSE --- DIRECT
P8.3 ALARM Alarm current Alarm message HIGH CUR, LOW CUR --- HIGH CUR
P8.4 RB_CHAR Read back
character
Converted
characters DIRECT, RECALC DIRECT
P8.5 TEST Test Test Function --- NONE
P8.6 ALR_ENAB Alarm function Alarm via analog
output ON, OFF --- ON
P8.7 CLIPPING
Current signal
enabled Signal
clipping range
Extension of signal
output to 3.8 ... 20.5
mA
4.0 ... 20.0; 3.8 ... 20.5 mA mA 4.0 ... 20.0
P8.8 EXIT Return Return to operating
level Function --- ---

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Parameter Display Function Possible parameter
setting Unit Factory setting
P9._ DIG OUT
P9.0 ALRM LOG Alarm logic Alarm output logic ACTIVE HI, ACTIVE LO --- ACTIVE HI
P9.1 SW1 LOG Switchpoint 1 logic Logic SW1 ACTIVE HI, ACTIVE LO --- ACTIVE HI
P9.2 SW2 LOG Switchpoint 2 logic LogicSW2 ACTIVE HI, ACTIVE LO - - ACTIVE HI
P9.3 ALRM_DO Alarm Status Alarm Status ACTIVE, INACTIVE --- INACTIVE
P9.4 TEST Test Test NONE, ALRM_ON, SW1_ON,
SW2_ON, ALL ON --- NONE
P9.5 EXIT Return Return to operating
level Function --- NV SAVE
P10._ DIG IN
P10.0 FUNCTION
Function select Function selection POS HOLD NONE, POS_0 %, POS_100 %, POS HOLD --- NONE
P10.1 EXIT Return Return to operating
level Function --- ---
P11._ FS / IP
P11.0 FAIL POS Save position Safe position ACTIVE, INACTIVE --- INACTIVE
P11.1 FACT SET Factory setting Factory Setting Function --- NO F POS
P11.2 IP-TYP 1/P module type Type of 1/P module
NO_F_ POS, F_SAFE_1, F_
SAFE_ 2, F_FREEZE1, F_
FREEZE2
--- [CUSTOM]
P11.3 IP_COMP IP compensation IP compensation ON, OFF --- ON
P11.4 HART REV HART revision HART Revision 5; 7 --- 5
P11.5 EXIT Return Return to operating
level Function --- NV SAVE

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3.4 HART parameter overview (Graphic)
Fig 2
Operating level
Configuration level
Parameter "EXIT"

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The following values are determined during Auto Adjust:
-Direction of action of the actuator
-Direction of action of the reset spring
-Actuator travel of the multi-turn actuator / final control element
-Stroke time for both directions
-Control parameters
-Offset for the I/P module
NOTE
The mode and scope of the automatic adjustment function can be selected using parameter ADJ MODE.
3.5 Parameter group 1: Standard
With this parameter you can configure the positioner for operation on a linear actuator (sensor range ±30°) or on a part-turn actuator
(sensor range ±45°). No mechanical modifications to the positioner are required.
NOTE
After changing the actuator type,I it is recommended that you run automatic adjustment to prevent linearity
errors.
Selection
LINEAR Linear actuator
ROTARY Part-turn actuator
3.5.2 AUTO_ADJ – automatic adjustment
3.5.1 ACTUATOR – Actuator type

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RUN Autoadjust is running.
CALC_ERR Error during plausibility check.
COMPLETE. Autoadjust completed successfully.
BREAK Autoadjust has been stopped by the operator. This can be done locally by pressing ENTER.
OUTOFRNG Sensor range of the positioner has been exceeded; Autoadjust was stopped.
NO_SCALE End positions have not yet been determined; therefore, partial Autoadjust cannot be run
RNG_ERR Less than 10% of the sensor range is used.
TIMEOUT Timeout. The control parameters could not be determined within 200 seconds. Automatic
adjustment was stopped.
SPR_ERR The actual spring action does not match the configured spring action
Once Autoadjust has finished running without encountering any errors, the device displays the message "RUN" in the bottom line
and a code number in the top line, indicating the step that is currently being executed:
10 Air is completely evacuated from actuator (OUT1). The fully evacuated position is saved.
20 Air is completely ventilated from actuator (OUT1). The fully ventilated position is saved.
30 Determining stroke time is prepared.
31 Actuator travels from 0% to 100%, stroke time is measured and saved.
32 Actuator travels from 100% to 0%, stroke time is measured and saved.
40 - 49 Tolerance band is determined and saved (minimum value). PD parameters for fast control <
tolerance band is determined and saved.
50 - 59 PID parameters for fast control < tolerance band is determined and saved.
200 Automatic adjustment is complete.
To start the automatic adjustment, press and hold ENTER until the countdown from 3 to 0 is finished. During the countdown, the
automatic adjustment mode selected using parameter ADJ_MODE is shown on the display. While Autoadjust is running, the control
loop symbol flashes in the display, and the current state of Autoadjust is indicated with the messages listed below.
NOTE
The configured setpoint range must not be smaller than 20 % (3.2 mA).
(No acknowledgement)
(Acknowledgement required)

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Use this parameter to define the mode or scope of the Auto Adjust function.
FULL Complete Autoadjust
STROKE Stops only
CTRL_PAR Control parameters only
ZERO_POS Zero position only (configured stops required)
LOCKED No Autoadjust
3.5.4 TEST - Test
If a partial run of automatic adjustment has been selected (see parameter DANG_DN on page 20), the following code numbers are
shown:
Stops only Steps 10 … 32 and step 200
Parameters only Steps 40 … 120 and step 200
Zero Only: 10 Air is completely evacuated from actuator (OUT1). The fully evacuated position is saved.
Zero Only 200 Automatic adjustment is complete.
3.5.3 ADJ_MODE – Automatic adjustment mode
The test is used to activate the positioner, and you can check the effects of the changes to this parameter group, e.g., by introducing
setpoint changes or setpoint ramps using a current source.
Normally, INACTIVE is shown in the display. To start the test, press and hold ENTER until the countdown from 3 to 0 is finished. The
test is activated. The display shows the control loop symbol and a flashing message. The test is automatically stopped after two minutes
and can also be stopped by pressing any button.
NOTE
It is not possible to start the test when the safe position is active (see the FAIL_POS parameter on page 50.)
Instead, the message FAIL POS is displayed.