JUMO TYA S202 User manual

JUMO TYA S202
Thyristor power controller
in a three-phase economy circuit
Operating Manual
70906600T90Z001K000
V1.00/EN/00709725
709066/X-01-150
709066/X-01-200
709066/X-01-020
709066/X-01-50 709066/X-01-100
709066/X-01-250
709066/X-01-32

All parameter settings are described in detail in the chapter "Configuration".
This operating overview shows all possible parameters of the device series.
Depending on the order specifications or current configuration, any parameters that are not required are hidden.
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V1.00/EN/00709725 [Thyristor power controller TYA S202] 3
contents
1 Introduction..................................................................................9
1.1 Preface ........................................................................................................ 9
1.2 Typographical conventions ..................................................................... 10
1.2.1 Warning symbols ............................................................................................... 10
1.2.2 Note symbols ..................................................................................................... 10
1.2.3 Performing an action ......................................................................................... 11
1.2.4 Display types ...................................................................................................... 11
1.3 Order Details ............................................................................................ 12
1.3.1 Scope of delivery ............................................................................................... 12
1.3.2 Accessories ........................................................................................................ 12
1.3.3 General accessories .......................................................................................... 13
1.4 Brief description ....................................................................................... 14
1.5 Standards, approvals, and conformity ................................................... 15
2 Mounting ....................................................................................17
2.1 Important installation notes .................................................................... 17
2.1.1 Environmental influences .................................................................................. 18
2.1.2 Filtering and interference suppression ............................................................ 19
2.1.3 Admissible load current depending
on the ambient temperature and the site altitude .......................................... 19
2.1.4 Wall mounting with screws (default) ................................................................ 21
2.1.5 Mounting on DIN rail (accessories) .................................................................. 24
2.2 Dimensions ............................................................................................... 25
2.2.1 Type 709066/X-0X-020-0X-XXX-XX .................................................................. 25
2.2.2 Type 709066/X-0X-032-0X-XXX-XX .................................................................. 26
2.2.3 Type 709066/X-0X-050-0X-XXX-XX .................................................................. 27
2.2.4 Type 709066/X-0X-100-0X-XXX-XX .................................................................. 28
2.2.5 Type 709066/X-0X-150-0X-XXX-XX
Type 709066/X-0X-200-0X-XXX-XX .................................................................. 29
2.2.6 Type 709066/X-0X-250-0X-XXX-XX ................................................................. 30
2.2.7 Clearances (all types) ........................................................................................ 30
3 Electrical connection ................................................................31
3.1 Pluggable screw terminals with 20 A ..................................................... 31

4 V1.00/EN/00709725 [Thyristor power controller TYA S202]
contents
3.1.1 Type 709066/X-0X-20-0X-XXX-XX .................................................................... 31
3.2 Cable lugs and pluggable screw terminals from 32 A .......................... 32
3.2.1 Type 709066/X-0X-032-0X-XXX-XX
Type 709066/X-0X-050-0X-XXX-XX .................................................................. 33
3.2.2 Type 709066/X-0X-100-0X-XXX-XX .................................................................. 35
3.2.3 Type 709066/X-0X-150-0X-XXX-XX
Type 709066/X-0X-200-0X-XXX-XX .................................................................. 37
3.2.4 Type 709066/X-0X-250-0X-XXX-XX .................................................................. 38
3.3 Connection diagram ................................................................................ 39
3.4 Switch-on sequence ................................................................................ 41
3.4.1 Rotary current economic circuit Master-Slave for resistive loads in star-, delta
connection or transformer loads (resistive-induktive) ................................... 41
4 Operation....................................................................................43
4.1 Display after switching on the device .................................................... 43
4.1.1 Display and control elements ........................................................................... 44
4.1.2 Appearance of measured values ...................................................................... 44
4.1.3 Meaning of the displayed measured values .................................................... 45
4.1.4 Appearance in the configuration level ............................................................. 47
4.1.5 Appearance of error messages and special statuses .................................... 47
4.2 Operating level ......................................................................................... 48
4.2.1 Device data ........................................................................................................ 48
4.2.2 Power controller ................................................................................................ 49
4.2.3 Setpoint value configuration ............................................................................ 49
4.2.4 Monitoring .......................................................................................................... 50
5 Configuration .............................................................................53
5.1 Configuration level ................................................................................... 53
5.1.1 Device data ........................................................................................................ 54
Language wizard active................................................................................................... 54
Temperature unit.............................................................................................................. 54
Display contrast ............................................................................................................... 54
Switch-off......................................................................................................................... 54
display lighting................................................................................................................. 54
Apply default settings ...................................................................................................... 54
5.1.2 Power controller ................................................................................................ 54
Thyristor control............................................................................................................... 54

V1.00/EN/00709725 [Thyristor power controller TYA S202] 5
contents
Cycle time........................................................................................................................ 55
Min. ON period ................................................................................................................ 55
αstart............................................................................................................................... 55
αstart angle..................................................................................................................... 55
Soft start .......................................................................................................................... 55
Soft start type .................................................................................................................. 56
Soft start duration............................................................................................................ 56
Current limiting ................................................................................................................ 56
Dual energy management................................................................................................ 57
5.1.3 Analog inputs ..................................................................................................... 58
Current measuring range................................................................................................. 58
Current measuring range, start........................................................................................ 58
Current measuring range, end......................................................................................... 58
Voltage measuring range................................................................................................. 58
Voltage measuring range, start........................................................................................ 58
Voltage measuring range, end......................................................................................... 58
5.1.4 Setpoint value configuration ............................................................................ 59
Setpoint specification ...................................................................................................... 59
Input in the event of an error............................................................................................ 59
Value in the event of an error........................................................................................... 59
Base load......................................................................................................................... 59
5.1.5 Monitoring .......................................................................................................... 60
Limit value
monitoring........................................................................................................................ 60
Min. limit value alarm ....................................................................................................... 60
Max. limit value alarm ...................................................................................................... 60
Limit value
hysteresis......................................................................................................................... 61
Load monitoring............................................................................................................... 61
Limit value load monitoring.............................................................................................. 61
Load type
load monitoring................................................................................................................ 61
Teach-In type load monitoring......................................................................................... 61
Monitoring of the mains voltage drop.............................................................................. 61
5.1.6 Digital inputs ...................................................................................................... 62
Inhibit input control direction........................................................................................... 62
5.1.7 Digital output ...................................................................................................... 63
Output mode.................................................................................................................... 63
Control direction, digital output ....................................................................................... 63
5.1.8 RS422/485 .......................................................................................................... 63
Baud rate ......................................................................................................................... 64
Data format...................................................................................................................... 64
Device address ................................................................................................................ 64
Min. response time .......................................................................................................... 64
5.1.9 Changing codes ................................................................................................. 64
Code, manual mode ........................................................................................................ 64

6 V1.00/EN/00709725 [Thyristor power controller TYA S202]
contents
Code, operating level....................................................................................................... 64
Code, config. level ........................................................................................................... 64
5.2 Configuration example ............................................................................ 65
6 Special device functions...........................................................67
6.1 Detection of load faults ........................................................................... 67
6.1.1 Teach-In .............................................................................................................. 69
6.2 Manual mode ............................................................................................ 70
6.2.1 Setpoint specification in manual mode ........................................................... 70
6.2.2 Configuring Teach-In (prerequisite for Teach-In in manual mode) ............... 70
6.2.3 Performing Teach-In in manual mode ............................................................. 71
6.3 Setpoint specification via potentiometer .............................................. 72
6.4 Dual energy management ....................................................................... 72
6.5 αstart ........................................................................................................ 74
6.6 Monitoring of the mains voltage drop .................................................... 75
6.7 Firing pulse inhibit .................................................................................... 75
6.8 Thyristor control logic (switch) ............................................................... 76
7 Setup program ...........................................................................77
7.1 Hardware .................................................................................................. 77
7.2 Compatible operating systems ............................................................... 77
7.3 Installation ................................................................................................ 78
7.4 Program start ........................................................................................... 80
7.5 Forgotten the code? ................................................................................ 81
7.6 Changing the language of the device texts ........................................... 82
8 Error messages and alarms......................................................83
8.1 Binary signal for collective fault ............................................................. 86
8.2 Replacing a defective semiconductor fuse ........................................... 87
8.2.1 Accessories: semiconductor fuses .................................................................. 88
8.2.2 Semiconductor fuses type 709066/X-0X-20... ................................................. 88
8.2.3 Semiconductor fuses type 709066/X-0X-32... ................................................. 89

V1.00/EN/00709725 [Thyristor power controller TYA S202] 7
contents
9 What to do, if .............................................................................91
10 Technical data............................................................................93
10.1 Voltage supply, fan specifications at 250 A, load current .................... 93
10.2 Galvanic isolation ..................................................................................... 93
10.3 Analog inputs (master only) .................................................................... 93
10.3.1 Display and measuring accuracy ..................................................................... 94
10.4 Binary output (fault signal output master only) ..................................... 94
10.5 General specifications ............................................................................. 94
10.6 Approvals/approval marks ...................................................................... 97

8 V1.00/EN/00709725 [Thyristor power controller TYA S202]
contents

V1.00/EN/00709725 [Thyristor power controller TYA S202] 9
1 Introduction
1.1 Preface
Read this operating manual before putting the device into service.
This operating manual is valid beginning with device software version
[256.04.01].
Keep the operating manual in a place that is accessible to all users at all times.
Your comments are appreciated and may assist us in improving this operating
manual.
Phone: [phone]
Fax: [phone]
Service hotline For technical questions
Phone support in Germany:
Phone: [phone]
Fax: [phone]
Email: [email protected]
Austria:
Phone: [phone]
Fax: [phone]
Email: [email protected]
Switzerland:
Phone: [phone]
Fax: [phone]
Email: [email protected]
A
The power controller produces the power that is needed at the analog input or
in manual mode. Safety systems independent of the power controller must be
installed. They should safely switch off the subsequent heating process in the
event of excess temperatures.
A
The power controller may only be operated using original JUMO semiconduc-
tor fuses.
In the event of replacement, please check that the correct spare part has been
used.
H
All necessary settings are described in this operating manual.
Manipulations not described in the operating manual or expressly forbidden
will jeopardize your warranty rights.
If you have any problems, please contact the nearest branch office or the head
office.
B

1 Introduction
10 V1.00/EN/00709725 [Thyristor power controller TYA S202]
1.2 Typographical conventions
1.2.1 Warning symbols
Caution
Attention
ESD
Dangerous volt-
age
Hot
surface,
fire hazard
1.2.2 Note symbols
E
When accessing the inner parts of the device and returning device plug-in
units, modules, or components, please observe the regulations according to
DIN EN 61340-5-1 and DIN EN 61340-5-2 "Protection of electronic devices
from electrostatic phenomena". Use only ESD packaging for shipment.
Please note that we cannot accept any liability for damage caused by ESD.
ESD=Electrostatic Discharge
V
This symbol is used when personal injury may occur if the instruc-
tions are disregarded or not followed correctly!
A
This symbol is used when damage to devices or data may occur
if the instructions are disregarded or not followed correctly!
E
This character is used if precautionary measures must be taken
when handling electrostatically sensitive components.
This symbol is used if dangerous voltages will cause an electric shock
in the event of contact with live parts.
This symbol is used if burns can result from touching a hot surface.
Do not install any heat-sensitive components or devices close to the
power controller.

V1.00/EN/00709725 [Thyristor power controller TYA S202] 11
1 Introduction
Note
Reference
Footnote
1.2.3 Performing an action
Action
instruction
Vital text
Command se-
quence
1.2.4 Display types
Keys
H
This symbol is used to draw your attention to a particular issue.
v
This symbol refers to further information in other manuals, chap-
ters, or sections.
abc1Footnotes are remarks that refer to specific parts of the text. Foot-
notes consist of two parts:
An identification marking in the text, and the footnote text itself.
The identification marking in the text is arranged as continuous su-
perscript numbers.
hPlug in the
connector
This symbol marks the description of a required action. The
individual steps are marked by this asterisk
V
READ THE DOCUMENTATION!
This symbol, which is attached to the device, indicates that the as-
sociated device documentation must be observed. This is nec-
essary in order to recognize the nature of the potential danger and
take the necessary measures to prevent it.
Config. level rPower controller
rOperating mode
Small arrows between words are designed
to make it easier to find parameters in the
configuration level.
Keys are displayed as symbols or text.
Key combinations are represented by a plus sign.

1 Introduction
12 V1.00/EN/00709725 [Thyristor power controller TYA S202]
1.3 Order Details
The nameplate is affixed to the right-hand side of the housing.
1.3.1 Scope of delivery
1.3.2 Accessories
(1) Basic type
709066 TYA S202 Three-phase thyristor power controller in three-phase economy circuit
(2) Version
8 Standard with default settings
9 Customer-specific programming according to specifications
(3) National language of device texts
01 German (default setting)
02 English
03 French
(4) Load current
020 AC 20 A
032 AC 32 A
050 AC 50 A
100 AC 100 A
150 AC 150 A
200 AC 200 A
250 AC 250 A
(5) Partial load failure monitoring
00 None
01 Partial load failure monitoring
(6) Mains voltagea
400 AC 400 V -20 to +15 %, 48 to 63 Hz
460 AC 460 V -20 to +15 %, 48 to 63 Hz
500 AC 500 V -20 to +15 %, 48 to 63 Hz
(7) Interface
00 None
54 RS485/422
63 PROFINET available as of XXXXXX
(1) (2) (3) (4) (5) (6) (7)
/----- Order code
709066 / 8 - 01 - 100 - 01 - 400 - 00 Order example
a.Mains voltage = Voltage supply for control electronics (always select phase voltage L1-L2 from the three-phase supply)
1 operating manual
1 thyristor power controller in the version ordered
1:1 patch cable
Item Part no.
Setup program TYA 200 / TYA S200 00544869
USB cable A-connector B-connector 3 m 00506252
Installation kits:
Installation kit for DIN-rail 20 A TYA S202 00555172
Installation kit for DIN-rail 32 A TYA S202 00555527

V1.00/EN/00709725 [Thyristor power controller TYA S202] 13
1 Introduction
1.3.3 General accessories
Semiconductor
fuses A semiconductor fuse is fitted in the power controller to protect the thyristor module. The "Fuse LED" lights up red in the event of a fault.
vChapter 8.2 "Defekte Halbleitersicherung austauschen"
Installation kit for DIN-rail 50 A TYA S202 00600097
Item Part no.
Item Load current
Inom. = IN
Part no.
Super fast semiconductor fuse 40 A IN= 20 A 00513108
Super fast semiconductor fuse 80 A IN= 32 A 00068011
Super fast semiconductor fuse 80 A IN= 50 A 00068011
Super fast semiconductor fuse 160 A IN= 100 A 00081801
Super fast semiconductor fuse 350 A IN= 150 A 00083318
Super fast semiconductor fuse 550 A IN= 200 A 00371964
Super fast semiconductor fuse 550 A IN= 250 A 00371964

1 Introduction
14 V1.00/EN/00709725 [Thyristor power controller TYA S202]
1.4 Brief description
Device The JUMO TYA S202 is the slim version of the JUMO TYA 202 power control-
ler. It switches resistive inductive loads using a three-phase current economy
circuit in star or delta three-phase operation. The microprocessor-controlled
power controller displays all parameters in an LCD display with background
lighting. It can be operated using the 4 keys at the front.
Application Thyristor power controllers are used where larger resistive and resistive induc-
tive loads have to be switched (e.g. in thermal processing technology). The
thyristor power controller consists of thyristors connected in anti-parallel, the
insulated heat sink, and the control electronics.
Mounting Thyristor power controllers up to a load current of 32 A can either be clipped
to a 35 mm mounting rail or fitted to the wall on a mounting plate. Devices with
a load current greater than 32 A can only be mounted on the wall.
Operating
modes The power controller works in burst-firing operation. In burst-firing operation, the first half-wave can be optimally cut with an adjustable phase angle so that
transformer loads can also be operated.
It is possible to specify a base load or, depending on the device type, to set
current limiting or resistance limitation for the load.
To avoid high starting currents, a soft start can be set.
Load types All resistive loads through to inductive loads are permitted.
In the case of transformer loads, the nominal induction of 1.2 tesla must not be
exceeded (value is 1.45 T in the case of mains overvoltage).
Standards The thyristor power controllers comply with VDE 0160 5.5.1.3 (5/88) and VDE
0106 Part 100 (3/83). The devices must be grounded as specified by the re-
sponsible energy supplier.
Advantages - Teach-In function for the detection of partial load failure
- Network load optimization through dual energy management
- Transmission of the setup data is possible even without voltage supply to
the device (power supply via USB port)
-Energymeter
- Same design as the JUMO TYA 202 power control series

V1.00/EN/00709725 [Thyristor power controller TYA S202] 15
1 Introduction
1.5 Standards, approvals, and conformity
Device properties are inspected on the basis of the Low Voltage Directive DIN
EN 50178.
The EMC directive is inspected on the basis of DIN EN 61326-1.
Standard
Electrical connection DIN VDE 0100
Protection type IP20 built-in devices DIN EN 60529
Climatic ambient conditions Class 3K3
Air temperature and rel. humidity DIN EN 60721-3-3
Storage temperature class 1K5 DIN EN 60721-3-1
Operating conditions
Pollution degree
Overvoltage category
DIN EN 50178
2
III
Test voltages DIN EN 50178
Residual current circuit breaker DIN EN 50178
Electromagnetic compatibility
Interference emission
Interference immunity
DIN EN 61326-1
Class A - only for industrial use
Industrial requirement
Mechanical tests:
Vibration test 3M2
Toppling test class 2M1
DIN EN 60068-2-6, DIN EN 60721-3-3
DIN EN 60068-2-31, DIN EN 60721-3-2
Labels, identification marking DIN EN 50178, DIN EN 61010-1
Approvals Standard Type
UL 508 (Category NRNT), pollution degree 2
C22.2 NO. 14-10 Industrial Control Equip-
ment (Category NRNT7)
709066/X-XX-020-...
Load current 20 A
UL 508 (Category NRNT)
C22.2 NO. 14-10 Industrial Control Equip-
ment (Category NRNT7)
709066/X-XX-032...
709066/X-XX-050...
709066/X-XX-100...
709066/X-XX-150...
709066/X-XX-200...
709066/X-XX-250...
Load current
32 to 250 A
Can be used for electrical circuits with a short-circuit current capacity of
≤100 kA (the admissible mains voltage must correspond to the nominal voltage of
the thyristor controller).
For plant protection, a fuse up to class RK5 may be used.
CE conformi-
ty
Low Voltage Directives 2006/95/EC
Marking Directives 93/68/EEC
EMC Directives 2004/108/EC

1 Introduction
16 V1.00/EN/00709725 [Thyristor power controller TYA S202]
Conformity Standard
RoHS 2002/95/EC

V1.00/EN/00709725 [Thyristor power controller TYA S202] 17
2 Mounting
2.1 Important installation notes
Safety
regulations kThe choice of cable material, the installation, and the electrical connection of the device must conform to the requirements of VDE 0100 "Regulations
on the Installation of Power Circuits with Nominal Voltages below AC
1000 V" or the appropriate local regulations.
kThe electrical connection must only be carried out by qualified personnel.
kAn isolating switch should be wired between the voltage supply and the de-
vice to be able to disconnect the device from the voltage supply on all
poles prior to accessing the inner parts of the device.
kInside the device, safety clearances meet the requirements for double insu-
lation.
When mounting the connecting cable, ensure that the cables are fitted ac-
cording to regulations and that the safety clearances are maintained.
Fuse protection kFuse protection of the voltage supply in accordance with the VDE regula-
tions must be installed when wiring the voltage supply in the power section.
The supply can also be protected with a circuit-breaker in the supply lead.
The circuit-breaker must correspond to the power consumption of the pow-
er controller.
kThe connecting cables used for the terminals U1, U2, N/L2, V, and L1 must
have an electric strength of AC 500 V.
kFor UL application, it must be ensured that the fuse for the supply protec-
tion of the control electronics is between 2 A and a maximum of 5 A. This
also applies to the fan connection.
kA semiconductor fuse is installed to protect the power controller in the
event of a ground fault. In the event of a defect, these may only be replaced
with original JUMO semiconductor fuses.
vChapter 8.2 "Defekte Halbleitersicherung austauschen"
Wiring Control cables (SELV potential) must be routed so that they are isolated from
cables with mains voltage potential. For supply protection, fuses (e.g. 2 A,
Neozed type) must also be installed in the control circuit.
Master/slave
1:1 patch cable Prior to startup, the enclosed 1:1 patch cable must be inserted into the mas- ter's X8 socket and connected to the slave device's X8 socket.
PE connection hA direct protection conductor connection must be provided between the PE
connection terminal on the device and the PE conductor of the supply net-
work.
The cross section of the PE conductor must be at least as large as the cross
section of the voltage supply cables in the power section. In the event that the
protection conductor is not a component of the supply cable or its encase-
ment, the selected conductor cross section may not be less than 2.5 mm2(for
mechanical protection) or not less than 4 mm2(if the protection conductor is
not protected mechanically).
V

2 Mounting
18 V1.00/EN/00709725 [Thyristor power controller TYA S202]
vSee VDE 0100 Part 540
Testing hThat the data on the nameplate (data, load current) corresponds to the data
for the plant.
hThat the rotary electrical field has clockwise phasing if the economy circuit
configuration is used.
hThat the configuration of the analog inputs, for example, corresponds to the
wiring.
hThe analog input for the setpoint specification only needs to be connected
to the master. The slave receives its information via the 1:1 patch cable.
However, the slave power controller can be disconnected separately by
means of its own inhibit input.
Load connec-
tion hThe electronic switch (2 anti-parallel thyristors) is located between the U1 and U2 terminals.
hWhere possible, load cables and cables for control inputs should be routed
so that they are isolated.
hConnect the mains voltage - thyristor power controller - load in accordance
with the connection diagram and check.
Phasing The voltage supply of the control electronics and the load voltage
must have the same phase.
Control inputs The terminal strips for control connections (inputs and outputs) have been laid
out for safe isolation from the mains voltage (SELV). To prevent the safe isola-
tion from being impaired, ensure that all connected current circuits are also
safely isolated. The required auxiliary supplies must be SELV voltages.
The ground terminals X2_2/11 or X2_1/6 of the master and slave must be con-
nected to one another.
2.1.1 Environmental influences
Incorrect use The device is not suitable for installation in potentially explosive areas.
Mounting site The power controller must be installed in a fire-proof control cabinet.
The cabinet should be vibration-free, free from aggressive media, and free
from dust to prevent the ventilation slots from becoming blocked.
Climatic
conditions - Relative humidity: 5 to 85 %, no condensation (3K3 according to EN 60721)
- Ambient temperature range: 0 to 45 °C (3K3 according to EN 60721-3-3)
- Storage temperature range: -30 to +70 °C class 1K5
Avoid additional
sources of heat - Ensure that the ambient temperature at the installation site is not increased
by other sources of heat or heat accumulation.
- Do not mount the power controller too close to the heating process (fur-
nace)
- Avoid direct sunlight.
Power loss Occurs as waste heat on the cooling body of the master and slave device and

V1.00/EN/00709725 [Thyristor power controller TYA S202] 19
2 Mounting
must be dissipated at the mounting site (e.g. in the control cabinet) in accor-
dance with the climatic conditions.
2.1.2 Filtering and interference suppression
To prevent radio-frequency interference, generated with a soft start in phase-
angle operation for example, electrical apparatus and plants must have inter-
ference suppression implemented.
The control electronics of the thyristor power controller comply with the EMC
requirements of EN 61326.
However, modules such as thyristor power controllers do not have any pur-
pose by themselves. They only serve as a component function within a plant.
Where applicable, the power controllers's entire load circuit must also have
suitable interference suppression filters fitted by the plant provider.
There are a number of specialist companies that provide appropriate ranges of
interference suppression filters to deal with any interference problems. These
filters are normally supplied as complete modules that are ready to be con-
nected.
2.1.3 Admissible load current depending
on the ambient temperature and the site altitude
Ambient tem-
perature
45 50 60
75
20
200
T/°C
150
Load current in A
Reduction at a temperature of 45 °C:
2 %/kelvin 70 %
250
100
50

2 Mounting
20 V1.00/EN/00709725 [Thyristor power controller TYA S202]
Site altitude In the case of air cooling, it must be noted that the effectiveness of the cooling
is reduced as the site altitude increases. As a result, the ampacity of the thyris-
tor power controller decreases with such a cooler as the site altitude increas-
es, as shown in the diagram.
A
Destruction through overheating:
In the event of operation at maximum load current over an extended period,
the heat sink and its surroundings heat up.
For this reason, at ambient temperatures above 45 °C, the maximum load cur-
rent must be reduced as shown in the image, as the thyristor module could
otherwise be destroyed.
The master or slave device temperature shown on the display may not exceed
100 °C.
At a device temperature of >100 °C, the message "Warning - high tempera-
ture" is displayed.
At a device temperature of >105 °C, the load current is gradually reduced by
10 % of the nominal current each time the temperature increases by one de-
gree.
At a device temperature of >115 °C, the power controller current is completely
switched off.
vChapter 8 "Fehlermeldungen und Alarme"
1000 2000
40
20
100
site altitude in m
above sea level
80
Ampacity in %
91,4%
60
3000 4000 5000
Reduction over 1000m above sea level: 0,86 %/100m