Baelz Automatic BA 7020 User manual

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
BA_7020_00_EN_MJ_4917
Baelz 7020
Digital Positioner
in a Motorized Linear Actuator

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
Inhaltsverzeichnis
1. SAFETY 4
1.1 Intended use 4
1.2 For the operator 4
1.3 Personnel 5
1.4 Before starting work 5
1.5 During operation 5
1.5.1 Transport, installation and mounting 5
1.5.2 Service and maintenance 5
1.6 Working environment 5
2. PRODUCT DESCRIPTION 6
2.1 Identication 6
2.2 Specications 7
2.3 Accessories and options 8
2.4 Operating conditions 8
3. TRANSPORT AND STORAGE 8
4. MONTAGE 9
4.1 Installation 9
4.2 Installation of controller 10
4.3 Connection to electrical supply 10
4.4 Electrical connection 10
5. QUICK START GUIDE 11
5.1 Switching on the Baelz 7020: 11
6. DETAILED INSTRUCTIONS 12
6.1 Functions in standard mode: 12
6.2 Operating the postioner 13
6.3 Details on DIP switches: 14
6.4 Initialisation run 16
6.5 Meaning of LED signals 17
6.6 Connection terminals - labelling and allocation 18
6.7 Operational modes and operating options 19
6.7.1 Standard operation using DIP switches 19
6.7.2 Standard operation using Modbus VT100 or direct addressing 19
6.7.3 Modbus mode 19
6.8 Normal and safety modes 19
6.8.1 Safety mode: antifreeze und excessive temperature 19

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
BA_7020_00_EN_MJ_4917
7. ERRORS 20
7.1 Error after an initialisation run 20
7.2 Error during initialisation or during normal positioner operation? 20
7.3 Error during normal positioner operation 21
8. SPARE PARTS 22
9. DECOMMISSIONING AND DISPOSAL 22
10. WIRING DIAGRAMS BAELZ 7020 23
10.1 Wiring diagrams for operation in safety mode 24
ANNEX A: INSTRUCTIONS FOR OPERATION USING MODBUS
A1. FUNCTIONAL DESCRIPTION A2
A2. OPERATION USING MODBUS VT100 A2
A2.1 Launch WinBas Tools A2
A2.2 Functions of keys in WinBas Tools A3
A3. LOAD/SAVE DATA A4
A3.1 Save data A4
A3.2 Load data A4
A4. MENU ITEMS A5
A4.1 IMM menu A5
A4.2 IVS menu A5
A4.3 Menu II A6
A4.4 IA Menu A6
A4.5 Menu ID A6
A4.6 AIP menu A7
A4.7 CAI menu A7
A4.8 CAO menu A8
A4.9 CD menu A8
A4.10 CA menu A8
A4.11 CM menu A9

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
1. SAFETY
Carefully read these operating Instructions, especially the following safety precautions, prior to installation and
operation.
Caution
Potentially hazardous situation which could result in minor injury.
Also indicates a risk which may cause material damage.
Caution
Attention
Potentially harmful situation which can result in damage to the product or an object in its
environment.
Attention
Danger
Imminently hazardous situation which is likely to result in death or serious injury.
Danger
Warning
Potentially hazardous situation which may result in death or serious injury.
Warning
Instructions for use or other useful information.
1.1 Intended use
The digital positioner Baelz 7020 controls the actuator according to the value of the control signal:
0-10 V, optionally 2-10 V / 0-20 mA, optionally 4-20 mA.
Toensureuseforthepurposeintended,checkthattheabovetypeidenticationcorrespondstothenameplate
on the positioner before starting any activities. The actual technical data of the positioner and the power supply
requirementsarethespecicationsindicatedonthenameplate.
Any use other than the intended use mentioned above, different tasks, and operation with other power sources
than those permitted, is considered to be improper use. In case of improper use, the operator shall be solely liable
for the risk presented to persons and to the device as well as to other property!
The intended use also comprises compliance with the accident prevention regulations and the DIN VDE
standards of the German Institute for Standardization and the Association for Electrical, Electronic & Information
Technologies. It also implies working in accordance with the safety requirements when performing all activities
described in these operating instructions, under consideration of general technical rules and regulations.
1.2 For the operator
Always keep the operating instructions available and easily accessible at the site of operation of the positioner.
During set-up and operation and when performing maintenance procedures on the device, observe relevant
occupational safety regulations, accident prevention regulations and the DIN VDE standards of the German
Institute for Standardization and the Association for Electrical, Electronic & Information Technologies. Ensure
compliance with any additional regional, local or in-house safety regulations applicable.
Make sure that any person assigned by you to perform the activities described in these operating Instructions has
read and understood these instructions.
Tip:

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
BA_7020_00_EN_MJ_4917
1.3 Personnel
Onlyqualiedpersonnelmayoperatethispositionerorworkinitsvicinity.Qualiedpersonnelareindividualswho
are familiar with the set-up, installation, commissioning, operation and maintenance of the positioner and possess
therequiredqualicationfortheiractivity.Therequiredorprescribedqualicationsinclude,amongstothers:
●Training / instruction and the authorization to switch electric circuits and devices / systems on and off in
accordance with EN 60204 (DIN VDE 0100 / 0113) and the technical safety standards.
●Training or instruction in accordance with the technical safety standards for the maintenance and use of
appropriate safety equipment and personal protective equipment.
●Explosion-protected versions of this device are to be operated only by personnel having undergone special
training or instructions or being authorized to work on explosion-protected devices in hazardous areas.
●First aid training.
Always work safely and never perform any work which might present a hazard to persons or damage the actuator
or other property in any way.
1.4 Before starting work
Priortostartinganykindofwork,checkthatthetypesspeciedhereareidenticalwiththespecicationsonthe
name plate of the positioner: Baelz 7020
1.5 During operation
Safe operation can only be ensured if transport, storage, assembly, operation and maintenance procedures are
performed in compliance with the safety requirements, and are performed properly and competently.
1.5.1 Transport, installation and mounting
Observe the general installation and safety regulations for heating, ventilating, air conditioning and piping. Use
tools properly and competently. Wear the required personal and other protective equipment.
1.5.2 Service and maintenance
Priortomaintenanceorrepair,makesurethatthepositionerisdisconnectedfromthepowersupplybyqualied
personnel in accordance with DIN VDE standards. The positioner requires no maintenance. However, we
recommend checking the proper function of the positioner at least once a year.
For maintenance, the cover of the actuator has to be removed. Apart from this, no regular maintenance is
necessary.
1.6 Working environment
Pleaseobservetheinformationregardingworkingenvironmentgiveninthespecications,chapter2.2.

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
2. PRODUCT DESCRIPTION
2.1 Identication
EachBaelz7020positionerhasanameplate.Thisplateincludesspecicationsregardingtheoperatingconditions
of the device and the manufacturer’s device and serial number.
Fig. 1: Baelz positioner nameplate
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100000
FD 112’+17
24V 50/60Hz


Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100001
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100002
FD 112’+17
24V 50/60Hz


Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100003
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100004
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100005
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100006
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100007
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100008
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100009
FD 112’+17
24V 50/60Hz

Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100010
FD 112’+17
24V 50/60Hz

e in
many
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100011
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
baelz 7020
Ger. Nr. C 100012
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
gsregler
baelz 7020
Ger. Nr. C 100013
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100014
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100015
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100016
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100017
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100018
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100019
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100020
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100021
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100022
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de
Digitaler Stellungsregler
baelz 7020
Ger. Nr. C 100023
FD 112’+17
24V 50/60Hz

Made in
Germany
W. Bälz & Sohn GmbH & Co.
www.baelz.de

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
BA_7020_00_EN_MJ_4917
2.2 Specications
Fig. 2: Table of specications
Supply voltage 230 VAC -15 % / +10 %, 50 / 60 Hz,
Option: 115 VAC 50 / 60 Hz, 24 VAC 50 / 60 Hz
Fuse internal 1,6 A/T (slow-blow)
Power consumption approx. 5 VA
Protection rating IP 42
Ambient temperature range
- in operation
0 to 50 °C
Ambient temperature range
- transport / storage
- 25 to +65 °C
Ambient humidity 5 to 90 % relative humidity (non-condensing)
Construction ttedtoactuatorE07(othersalsopossible)
Dimensions of actuator WxHxD approx. 120x95x60 mm (E07)
DI supply voltage 24 V DC, Imax = 5 mA
Digital input 1congurable(eg.summer/winterswitch),Imax5mA,
low=0...5VDC,high=9...38VDC,Re=5.5kΩ
Digital output 2potentialfreeauxiliarychangeoverswitches,congurable(max.250VAC,4A)
Analogue output 0/2...10V/loadimpedancemin.5kΩ,0/4...20mA/loadimpedancemax.300Ω
Analogue input 0/2...10V/Re63kΩ,0/4...20mA/Re200Ω,measurementaccuracy0.1%
Connection PUSH IN spring terminals
stripping length: 8 mm
Wiring wire size, AWG: min. AWG 24; max. AWG 16
solid wire / stranded wire: min. 0.2 mm²; max. 1.5 mm²
with wire ferrule according to DIN 46 228/1: min. 0.25 mm²; max. 1.5 mm²
with insulated wire ferrule to DIN 46 228/4: min. 0.25 mm²; max. 0.75 mm²
Operation 12 DIP switches / optional: advanced operation using free software Winbas Tools
Par; Modbus mode
Interface RS485 Modbus RTU, Baud rate 2400...19200, 1 Start,
8 pieces of data, 1 stop-bit, no parity
Memory non-volatile semiconductor
Weight 0.2 kg

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
2.3 Accessories and options
●Free parameterisation software (Modbus RTU) - Interface RS 485 required!
●For laptops with USB we recommend our interface convertor (Order No. 5280-051).
2.4 Operating conditions
Positioners and related actuators are suitable for installation in industrial plants and in waterworks
and power plants with a low pollutant concentration.
Foruseoutdoorsorinanenvironmentwithahighpollutantconcentration,suchasareaswithheavytrafc,
industrial areas (chemical plants, sewage plants, etc.), coastal areas and the open sea, the actuators must have
external parts made of non-corrosive material and must be provided with a special coating.
When used outdoors, the actuator must be protected with an additional cover against
●rain
●direct sunlight
●strong draughts
●dust
3. TRANSPORT AND STORAGE
Risk of injury caused by failure to observe the safety regulations!
Caution
●Wear the required personal and other protective equipment.
● Protectthepositionerfromimpacts,shock,vibrationandsimilarinuences.
●Store the positioner (and, if necessary, the complete actuator/valve assembly) in a dry place.
●Observe transport and storage temperatures: -25°C to +65°C.
Attention

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
BA_7020_00_EN_MJ_4917
4. MONTAGE
4.1 Installation
If the unit is to be installed in a horizontal position, it should be installed such that the struts of the yoke are
vertically aligned.
Installation of the unit with the actuator situated over the valve protects the actuator from soiling.
Fig. 3: Correct installation
ONLY operate actuator with valve tted! Danger of serious damage to actuator!
●Operating the linear actuator without a valve can lead to the destruction of the actuator due to lack of a limit
stop.Onlyoperatetheactuatorwithavalvetted.
●Ensure that there is a gap of approx. 200 mm to enable removal of the cover if necessary.
●Check the surrounding area before installing and operating the linear actuator.
● Ensurethatthevalveisttedcorrectly.Seevalvettinginstructionsfordetails.
● Ensurecorrectpositioningofthelinearactuator.Linearactuatorsmustnotbettedhangingdownwards.
A
B
A - B


Attention

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Operating Instructions BA 7020
Technical specications subject to change without notice
Copyright according to ISO 16016
4.2 Installation of controller
Baelz recommends buying the positioner ready installed.
4.3 Connection to electrical supply
Risk of electric shock!
Use a safe electricity supply. Under no circumstances should dangerous voltage reach the equipment!
Safety fuses and cut-off switches must be available on site to protect from short circuiting and for activation of the
positioner. The required amperage can be derived from the current consumption of the electric actuator (see name
plate).
Onlyqualiedandtrainedpersonellmaycarryoutelectricalinstallation.
 ●Takecarefulnoteofthebasicinstructionsinthischapterbeforeconnection.
 ●Afterconnectionandbeforeswitchingontheunit,takenoteofchapter5.1 "Switching on the Baelz 7020".
 ●Ensurethattheelectricalsupplyisswitchedoffwhenconnectingtothemains!Safetymeasurestoprevent
the supply being switched on unintentionally must be in place.
 ●Fortheinstallationofelectricalcablesandconnections,observetheprovisionsfortheinstallationofhigh-
voltage systems and the regulations set down by the local electricity provider.
 ●Checkthatthesupplyvoltageandfrequencymatchthosegivenonthenameplateofthepositionerand
the name plate of the actuator motor.
 ●Thewiresizeshouldalwayscorrespondtothepowerconsumptionofthelinearactuatorandtherequired
length of the wiring. The smallest permissible wire cross-sectional area for this linear actuator is 1 mm².
In case of failure: Dangerous voltage if operated without protective earth connection!
Risk of electric shock!.
→Onlyoperatewithprotectiveearthconnection.
Trapped wires can cause short circuiting! Risk of electric shock and malfunction.
Danger
4.4 Electrical connection
Risk of electric shock!
Danger
Dangerous voltage! Risk of electric shock.
→Disconnectfromelectricitysupplybeforeremovingcover.
Connections should be carried out according to the wiring diagram on the inside of the cover, see chapter 10.
Replace dummy plugs with cable glands.
1. Strip end of cable insulation.
2. Strip ends of wires.
 3.Forexiblecable:UsewireendferrulesaccordingtoDIN46228.
 4.Connectcablesaccordingtotheproject-speciccircuitdiagramsupplied.
Protection rating IP 42 is only guaranteed if suitable cable glands are used.
Comparethethrustoftheactuatorandthesetdistanceoftravelwiththevalvespecications.Overloadingcan
cause serious damage to the valve.
Beware of moving parts during installation and adjustment. Risk of injury and material damage.
Danger