BERGHOF DC2004 - Page 37

USER HANDBOOK 2.0 | DC20XX, ET20XX, ECC21XX SLIM
Berghof Automation GmbH | Harretstrasse 1 | 72800 Eningen | www.berghof.com
Dialog-Controller-DC20XX_EN.docx
37
Fig. 22: Circuit diagram of the principles of positive switching input
Fig. 23: Operating ranges of the digital inputs (type 1/3)
Item
Designation
Item
Designation
1
“ON” range
3
Transition range
2
Signal-noise ratio < 1 V
4
“OFF” range