Baelz Automatic 373-E66 Series - Page 3

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Operating Instructions BA 373-E66
Technical specifications subject to change
W. Bälz & Sohn GmbH & Co. Koepffstrasse 5 74076 Heilbronn Germany
Phone +49 (0)7131 15 00 0 Fax +49 (0)7131 15 00 21 www.baelz.de mail@baelz.de
Observe copyright protection DIN 34
6.4 Setting the potentiometer ............................................................................................................ 16
6.5 Setting the limit switches S3 and S4 ........................................................................................... 17
7. POSITIONING ELECTRONICS 18
7.1 Operating principle of the positioning electronics ....................................................................... 18
7.2 Mounting the positioning electronics ........................................................................................... 19
7.3 Electrical connection ................................................................................................................... 19
7.3.1 Terminal assignment ................................................................................................................... 20
7.3.2 Determining input and output signals ......................................................................................... 21
7.4 Commissioning and settings ....................................................................................................... 21
7.5 Calibrating the positioning electronics to the travel .................................................................... 23
7.5.1 Setting the zero ........................................................................................................................... 23
7.5.2 Setting the end position .............................................................................................................. 23
7.6 Setting the dead band ................................................................................................................. 23
7.7 Reversing the actuator action ..................................................................................................... 23
7.8 Detecting wire breaks ................................................................................................................. 24
7.9 Split range control ....................................................................................................................... 24
7.10 Changing the preset signal range for the set point ..................................................................... 25
7.11 Specications .............................................................................................................................. 26
8. ELECTRONIC POSITION TRANSMITTER "ESR" 27
8.1 Functional principle of the electronic position transmitter ........................................................... 27
8.2 Electronic position transmitter specications .............................................................................. 27
8.3 Electrical connection of the electronic position transmitter ......................................................... 28
8.4 Setting the electronic position transmitter ................................................................................... 29
8.4.1 Setting to Normal mode "N" ........................................................................................................ 29
8.4.2 Setting to Reverse mode "R" ...................................................................................................... 29
8.4.3 Adjusting the output current to 0 or 4 mA ................................................................................... 30
8.4.4 Adjusting the output current to 20 mA ......................................................................................... 30
9. HEATER 31
10. CONNECTION EXAMPLES 32
11. SPARE PARTS 33
12. DECOMMISSIONING AND DISPOSAL 34
13. TROUBLESHOOTING 34
13.1 Check list for operational malfunctions ....................................................................................... 35
14. DIMENSION SPECIFICATIONS 36