JUMO B 70.9040 User manual

/00089951
Thyristor Power Units
B 70.9040
Operating Instructions
05.01

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Contents
1 Introduction ......................................................................................... 7
1.1 Preface .................................................................................................................... 7
1.2 Typographical conventions ................................................................................... 8
1.2.1 Warnings .................................................................................................................. 8
1.2.2 Note signs ............................................................................................................... 8
1.3 Description .............................................................................................................. 9
1.4 Type designation .................................................................................................... 9
1.4.1 Type extensions (extra codes) ................................................................................ 10
1.4.2 Standard accessories ............................................................................................ 10
1.4.3 Accessories ............................................................................................................ 11
1.5 Block diagram ...................................................................................................... 11
1.6 Front panel indicators and adjustments ............................................................ 12
2 Operating modes .............................................................................. 13
2.1 Phase-angle control with soft start and current limiting .................................. 13
2.2 Burst-firing operation, for resistive loads .......................................................... 14
2.3 Burst-firing operation for transformer loads and loads with a high positive tem-
perature coefficient TC (mixed operation) 15
3 Installation ......................................................................................... 17
3.1 Important installation notes ................................................................................ 17
3.2 Filtering and interference suppression .............................................................. 18
3.3 Installation site and climatic conditions ............................................................ 18
3.4 Wall mounting ....................................................................................................... 19
3.4.1 TYA-110/3, 025..100 .............................................................................................. 19
3.4.2 TYA-110/3,150 and TYA-110/3, 250 ...................................................................... 20
3.5 DIN rail mounting ................................................................................................. 21
3.5.1 TYA-110/3, 025 ..100 ............................................................................................. 21
4 Electrical connection ........................................................................ 23
4.1 Connection diagram ............................................................................................ 23
4.1.1 Type TYA-110/3, 025, - 050, - 075, - 100, ... .......................................................... 25
4.1.2 Type TYA-110/3, 150, ... ......................................................................................... 25
4.1.3 Type TYA-110/3, 250, ... ......................................................................................... 25
4.2 Single-phase operation: line/phase – N ............................................................. 26
4.3 Single-phase operation: phase – phase ............................................................. 27
4.4 Star configuration: with star point connected to N .......................................... 28
4.5 Open delta configuration (six-wire circuit) ........................................................ 29

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Contents
4.6 Free-running economy circuit, purely resistive loads ....................................... 30
4.7 Master-slave economy circuit, with resistive/inductive loads ......................... 31
5 Commissioning ................................................................................. 33
5.1 Adjust control input (full wave) ........................................................................... 33
5.1.1 Setting the maximum power output ....................................................................... 33
5.1.2 Input signal attenuator ........................................................................................... 33
5.2 Setting the base load ........................................................................................... 34
5.3 Setting the current limit ....................................................................................... 35
5.3.1 Alteration of the current limit Imax, as a function of the voltage on Terminal 9 ..... 36
5.4 Setting the phase angle for the first half-wave ................................................. 36
5.5 Load and part-load failure monitoring ............................................................... 37
5.5.1 Setting the threshold for load failure indication ................................................ 37
5.5.2 Setting for master-slave and free-running economy circuit ............................ 38
5.6 External changeover of operating modes ......................................................... 38
5.7 Blown fuse indication .......................................................................................... 38
6 Settings .............................................................................................. 39
6.1 Opening the housing ............................................................................................ 39
6.2 Adjustment switches S1 — 21 and pin headers X503 / X504 .......................... 40
6.3 Summary of possible settings ............................................................................ 42
6.4 Control inputs ....................................................................................................... 43
6.4.1 Combinations of external potentiometer and electronic controller ........................ 44
6.5 Subsidiary control loops ...................................................................................... 45
6.6 Actual (power) output .......................................................................................... 46
6.7 Load current adaptation (only with extra code TR/T0) ..................................... 47
6.8 Select operating modes and load types ............................................................ 47
6.9 Economy circuit .................................................................................................... 48
6.9.1 Free-running economy circuit (asynchronous switching) for resistive loads ......... 49
6.9.2 Master-slave economy circuit (synchronous switching) for resistive and transformer
loads 49
6.10 Firing-pulse inhibit ............................................................................................... 50
7 Technical data ................................................................................... 51
7.1 Load circuit ........................................................................................................... 51
7.2 Control ................................................................................................................... 51
7.3 General data ......................................................................................................... 51

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Contents
8 Faults .................................................................................................. 53
8.1 Fault-finding .......................................................................................................... 53
8.2 Replacing the semiconductor fuse .................................................................... 53
8.2.1 Type TYA-110/3, 025 to 100, ... .............................................................................. 53
8.2.2 Type TYA-110/3, 150, ... ......................................................................................... 54
8.2.3 Type TYA-110/3, 250, ... ......................................................................................... 54

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Contents

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1 Introduction
1.1 Preface
Please read these operating instructions before starting up the instrument.
Keep them in a place that is accessible to all users at all times.
Please help us to improve this manual.
Your suggestions will be welcome.
Fax: in Germany [phone]
abroad [phone]
HIf any difficulties arise during commissioning, you are asked not to
carry out any unauthorized manipulation. You could endanger your
rights under the instrument warranty!
Please contact the nearest subsidiary or the main factory in such a
case.
HWhen returning chassis, modules or components, the regulations
of EN 100 015 “Protection of electrostatically sensitive compo-
nents” must be observed. Use only the appropriate ESD packag-
ing for transport.
Please note that we cannot accept any responsibility for damage
caused by ESD (electrostatic discharge).
B

1 Introduction
8 Power units 05.01
1.2 Typographical conventions
1.2.1 Warnings
The signs for Danger and Caution are used in this manual under the following
conditions:
V
Danger
This symbol is used where there may be danger to personnel if the instruc-
tions are disregarded or not followed accurately!
ACaution
This symbol is used where there may be damage to equipment or data if the
instructions are disregarded or not followed accurately!
E
Caution
This symbol is used if precautions must be taken when handling electrostati-
cally sensitive components.
1.2.2 Note signs
HNote
This symbol is used to draw your special attention to a remark.
vReference
This symbol refers to additional information in other manuals, chapters or
sections.
abc1Footnote
Footnotes are comments that refer to specific parts of the text. Footnotes
consist of two parts:
1) The marking in the text, arranged as continuous superscript numbers.
2) The footnote text at the bottom of the page, in a smaller typeface than the
main text, and preceded by a number and a stop.
hHandling instructions
This symbol marks the description of a required action.
The individual steps are indicated by asterisks, for example:
hDisconnect the instrument completely from the supply
hRemove the instrument cover

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1 Introduction
1.3 Description
Application A thyristor power unit can be used wherevere sizeable resistive or inductive
loads are switched frequently – for instance, in industrial furnaces and plastics
processing.
Operating
modes
The thyristor power units can operate under phase-angle control with adjust-
able current limiting or in burst-firing mode, depending on the setting of the in-
ternal switch. An external switch may also be used to change over the operat-
ing mode. In burst-firing mode, the phase angle can be cut back for the first
half-cycle, for driving transformer loads.
Regulation Variations in the line supply voltage have no effect on the control-loop regula-
tion during operation. This is ensured by a subsidiary V2, P or I2control loop.
An input signal attentuator (trimmer) permits the restriction of the control
range, and a base load can be set by an external potentiometer. In burst-firing
mode an economy circuit can be used for multi-phase loads. With phase-an-
gle control, the target phase angle that is set by the controller is gradually ap-
proached from the initial 180°, thus avoiding high surge currents (soft start).
Versions The power stage is composed of 2 thyristors connected in anti-parallel, the in-
sulated heatsink, and the control electronics. Thyristor units for up to 50A rat-
ed load can either be snapped onto a 35mm DIN rail, or mounted on a bas-
plate fixed to a wall. Units for 75A or higher rated load can only be wall-
mounted.
Standards The thyristor power units meet VDE 0160 5.5.1.3 (5/88) and VDE 0106 Part 100
(3/83). Earthing must be carried out in accordance with the regulations of the
local electrical supply utility.
1.4 Type designation
The basic version, TYA-110/3, includes the following features:
- Voltage, current and potentiometer input
- Input signal is freely selectable
- Operating mode is freely selectable
- Phase-angle reduction of 1st half-wave for burst-firing operation
- Supply line voltage monitoring
- Input signal attentuation by trimmer
- Soft start in phase-angle operation
-V
2-control with adjustable power level output signal
- Master-slave economy circcuit
- Firing-pulse inhibit

1 Introduction
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1. Rated load voltage = supply voltage for the control electronics
1.4.1 Type extensions (extra codes)
TR Extended version, with indication of part-load failure (adjustable by trimmer) or
blown fuse through common relay contact and LED.
This version also includes:
- Current limiting (internal, external) and rated current adjustment at I ≤IN/2
- Free selection of the subsidiary control-loop type (V2, I2or P).
A free-running economy circuit can be implemented with P-control!
- Power level output signal can be switched to: V2, P, I2
TO as for TR, but with signaling via optocoupler
MS Master-slave circuit: 2 pre-assembled power units on a mounting plate, ready
for connection.
1.4.2 Standard accessories
1 Mounting plate for wall-mounting
1 Operating Instructions
TYA-110/3 , . . . , . . . , . . Thyristor power unit for analog control
025 Load current 25A
050 Load current 50A
075 Load current 75A
100 Load current 100A
150 Load current 150A
250 Load current 250A
024 Rated load voltage 24V 1
042 Rated load voltage 42V 1
115 Rated load voltage 115V 1
230 Rated load voltage 230V 1
265 Rated load voltage 265V 1
400 Rated load voltage 400V 1
460 Rated load voltage 460V 1
500 Rated load voltage 500V 1
TR Indication of part-load failure or blown fuse through
built-in relay and LED.
TO Indication of part-load failure or blown fuse through
optocoupler
MS Master-slave circuit
2 pre-assembled power units on a mounting plate,
ready for connection